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文部科学省次世代IT基盤構築のための研究開発、高機能高可用性情報ストレージ基盤技術の開発

Publications       2012    2013    2014    2015    2016   

2016

Journal Papers
1 A. Edo, S. Izumi, T. Abe, and T. Suganuma, “A Proposal of Disaster-Risk-Aware Network Routing Control Method and Its Evaluation,” IEEJ Transactions on Electronics, Information and Systems, Vol.137, N.3, March 2017. (to appear)
2 S. Izumi, M. Hata, H. Takahira, M. Soylu, A. Edo, T. Abe, and T. Suganuma, “A Proposal of SDN Based Disaster-Aware Smart Routing for Highly-available Information Storage Systems and Its Evaluation,” International Journal of Software Science and Computational Intelligence Vol.9, No.1, pp.68-82, January-March 2017.
3 S. Matsumoto, T. Nakamura, and H. Muraoka, “Partial Sites Determination Method to Mitigate Data Re-transfer for Reconfiguring Risk-aware Replication System)," Journal of IPSJ, Vol. 58, No. 2, pp.495-505, February 2017.
4 S.J. Greaves, Y. Kanai, and H. Muraoka, “Multiple Layer Microwave-Assisted Magnetic Recording,” IEEE Trans. Magn. Vol. 53, No. 2, 3000501, February 2017.
5 Y. Kanai, K. Yoshida, S.J. Greaves, and H. Muraoka, “Micromagnetic Model Analysis of Spin-Transfer Torque Oscillator and Write Heads for Microwave-Assisted Magnetic Recording,” IEEE Trans. Magn. Vol. 53, No. 2, 3000211, February 2017.
6 R. Suzuto, Y. Nakamura, H. Osawa, Y. Okamoto, Y. Kanai, and H. Muraoka, “Effect of Reader Sensitivity Rotation in TDMR With Head Skew,” IEEE Trans. Magn. Vol. 52, No. 7, 3001604, July 2016.
7 Y. Kanai, T. Katayama, K. Yoshida, S.J. Greaves, and H. Muraoka, “Micromagnetic Simulation of Spin-Torque Oscillator for Microwave-Assisted Magnetic Recording—Interaction Between Write Head and STO and Optimum Injected Current,” IEEE Trans. Magn. Vol. 52, No. 7, 3001204, July 2016.
8 S.J. Greaves, Y. Kanai, and H. Muraoka, “Microwave-Assisted Magnetic Recording on Exchange Coupled Composite Media,” IEEE Trans. Magn. Vol. 52, No. 7, 3001104, July 2016.
9 S.J. Greaves, Y. Kanai, and H. Muraoka, “Microwave-Assisted Magnetic Recording on Dual-Thickness and Dual-Layer Bit-Patterned Media,” IEEE Trans. Magn. Vol. 52, No. 7, 3000904, July 2016.
10 N. Akitaya, S.J. Greaves, and H. Muraoka, “High-Frequency Magnetic Recording Using a Dual Write Head,” IEEE Trans. Magn. Vol. 52, No. 7, 3000804, July 2016.
11 H. Kamei, O. Yashiro, and T. Nakamura, "A Method of Shared File Cache for File Clone Function to Improve I/O Performance for Virtual Machine," IEEJ. Trans. EIS, Vol. 136, No. 6, pp. 856-867, June 2016.
International Conferences
1 S. Izumi, M. Hata, H. Takahira, A. Edo, T. Abe and T. Suganuma, “Proposal of Dynamic Information Flow Management Method Under Disaster Situations (Oral),” The 1st International Workshop on Information Flow of Things (IFoT2016) (International Conference Center Hiroshima, Hiroshima), November 28 – December 1, 2016.
2 Y. Kanai, R. Itagaki, S. Greaves, K. Yoshida and H. Muraoka,“Micromagnetic Model Analysis of Double- and Tri-Layered Spin Torque Oscillators with Write Head for Microwave-Assisted Magnetic Recording (Poster),” 61st Annual Conference on Magnetism and Magnetic Materials (New Orleans Marriott, New Orleans, USA), October 31 – November 4, 2016.
3 S. Greaves, Y. Kanai and H. Muraoka, “Resonance Frequency Distribution of ECC Grains in Microwave Assisted Magnetic Recording (Poster),” 61st Annual Conference on Magnetism and Magnetic Materials (New Orleans Marriott, New Orleans, USA), October 31 – November 4, 2016.
4 Y. Nakamura, R. Suzuto, H. Osawa, Y. Okamoto, Y. Kanai and H. Muraoka, “Suppression of ITI by array head reading and 2D-equalization (Poster),” 61st Annual Conference on Magnetism and Magnetic Materials (New Orleans Marriott, New Orleans, USA), October 31 – November 4, 2016.
5 H. Muraoka and S. Greaves, “Bit Aspect Ratio Conversion in Two-Track Simultaneous Reading Scheme (Poster),” 61st Annual Conference on Magnetism and Magnetic Materials (New Orleans Marriott, New Orleans, USA), October 31 – November 4, 2016.
6 K. Watanabe and H. Muraoka, “Notch Formation in Magneto-Resistive Read-Head Sensors for Track Edge Noise Reduction in Parallel Reading (Oral),” 6th Annual World Congress of Nano Science & Technology - 2016 (Nano-S & T 2016) (Holiday Inn Singapore, Singapore), October 26 – 28, 2016.
7 S. Izumi, A. Edo, T. Abe, and T. Suganuma, “Disaster-Aware Smart Routing Scheme based on Symbiotic Computing for Highly-available Information Storage Systems (Oral),” 15th IEEE International Conference on Cognitive Informatics & Cognitive Computing (ICCI*CC2016), (Stanford University, CA., USA) August 22-23, 2016.
8 S.J. Greaves, Y. Kanai, and H. Muraoka, “Multiple Layer Microwave Assisted Magnetic Recording (Oral) (Invited)F4,” The 27th Magnetic Recording Conference (TMRC2016)(Stanford University, CA., USA), August 17-19, 2016.
9 Y. Kanai, K. Yoshida, S.J. Greaves, and H. Muraoka, “Micromagnetic Model Analysis of Spin-transfer Torque Oscillator and Write Heads for Microwave-assisted Magnetic Recording (Oral) (Invited)F3,” The 27th Magnetic Recording Conference (TMRC2016)(Stanford University, CA., USA), August 17-19, 2016.
10 S.J. Greaves and H. Muraoka, “Multiple Layer Magnetic Recording Using MAMR (Oral) (Invited),” The 4th International Conference of Asian Union of Magnetics Societies (IcAUMS 2016) (National Cheng Kung University, Tainan , Taiwan), August 1- 5, 2016.
11 A. Ohori, K. Ueno, T. Sasaki, D. Kikuchi,“A Calculus with Partially Dynamic Records for Typeful Manipulation of JSON Objects (Oral),” Proceedings of the 30th European Conference on Object Oriented Programming (ECOOP 2016), LIPIcs Vol 56, pp. 18:1–18:25, July 19-22, 2016.
12 S. Izumi, A. Edo, T. Abe, and T. Suganuma, “Performance Evaluation of SDN Based Smart Routing for Disaster-resistant Storage Systems (Oral),” 1st International Conference on Enterprise Architecture and Information Systems (EAIS2016) (Kumamoto City International Center, Kumamoto) (2016 5th IIAI International Congress on Advanced Applied Informatics (IIAI-AAI), pp. 965- 970), July 10-14, 2016.
13 S. Kaneko, T. Nakamura, H. Kamei, and H. Muraoka, “A Guideline of Data Placement for Heterogeneous Distributed Storage Systems (Oral),” 1st International Conference on Enterprise Architecture and Information Systems (EAIS2016) (Kumamoto City International Center, Kumamoto) (2016 5th IIAI International Congress on Advanced Applied Informatics (IIAI-AAI), pp. 942- 945), July 10-14, 2016.
14 H. Kamei, S. Matsumoto, T. Nakamura, and H. Muraoka, “Restoration Method Using Combination of Replication and Erasure Coding (Oral),” 1st International Conference on Enterprise Architecture and Information Systems (EAIS2016) (Kumamoto City International Center, Kumamoto) (2016 5th IIAI International Congress on Advanced Applied Informatics (IIAI-AAI), pp. 936- 941), July 10-14, 2016.
Domestic Conferences
1 S. Kaneko, T. Nakamura, H. Kamei, and H. Muraoka, "ディープラーニングに適したストレージシステムの検討(Oral)," 2017 Infomation Systems Technical Meeting of IEEJ-EIS(Ohamashinsen Memorial Hall, Ishigaki Island, Okinawa), March 23-24, 2017.
2 T. Kikuchi, S.J. Greaves, and H. Muraoka, "MAMRを用いた二層記録におけるECC媒体とSTOのパラメータによる磁化反転への影響について(Oral)," Proc. of The 2017 IEICE General Conference (Tenpaku Campus, Meijo University, Nagoya), March 22-25, 2017.
3 N. Sato, H. Muraoka, "デュアルヘッド再生におけるMIMO技術によるITI抑圧の一検討(Oral)," Proc. of The 2017 IEICE General Conference (Tenpaku Campus, Meijo University, Nagoya), March 22-25, 2017.
4 T. Kondo, Y. Nakamura, M. Nishikawa, H. Osawa, Y. Okamoto, Y. Kanai, and H. Muraoka, "アレイヘッド再生の下でのSMRにおけるBARの一検討(Oral)," Proc. of The 2017 IEICE General Conference (Tenpaku Campus, Meijo University, Nagoya), March 22-25, 2017.
5 J. Saito, H. Muraoka, "積層二層磁気記録媒体の再生分解能の補正(Oral)," Proc. of The 2017 IEICE General Conference (Tenpaku Campus, Meijo University, Nagoya), March 22-25, 2017.
6 S. Izumi, Luis Guillen, T. Abe, T. Suganuma, and H. Muraoka, "分散ストレージシステム向けSDN型ネットワーク制御手法の提案(Oral)," Proc. of The 79th National Convention of IPSJ (Higashiyama Campus, Nagoya University), March 10-12, 2017.
7 Luis Guillen, S. Izumi, T. Abe, T. Suganuma, and H. Muraoka, "A Study on Network Performance for Distributed Storage Systems (Oral)," Proc. of The 79th National Convention of IPSJ (Higashiyama Campus, Nagoya University), March 10-12, 2017.
8 J. Miyazaki, K. Saito, M. Tetsuka, T. Nakamura, H. Kamei, S. Izumi, T. Suganuma, and H. Muraoka, "ユーザ数100万人の電子お薬手帳を題材とした現実的な災害シナリオでの高機能高可用性情報ストレージ基盤の可用性とデータ取得時間の実証実験(Oral)," Proc. of The 79th National Convention of IPSJ (Higashiyama Campus, Nagoya University), March 10-12, 2017.
9 H. Takahira, S. Izumi, T. Abe, and T. Suganuma, "災害時におけるSDNを用いたレジリエントルーティングの提案(Oral)," Proc. of The 79th National Convention of IPSJ (Higashiyama Campus, Nagoya University), March 10-12, 2017.
10 D. Kikuchi, "SML#による電子お薬手帳Webアプリケーションの開発(Oral)," The 113th Programming Research Meeting of IPSJ (242 Class room of 4F, No.2 Building of Engineering, Hongou Campus, Tokyo University), March 3-4, 2017.
11 H. Muraoka, J. Gyoba, Y. Suzuki, S. Shioiri, and M. Nakao, "Storage Technology for Gigantic Information ~Challenge to Yotta-byte Information~(Invited) (Oral)," IEICE Technical Report, Vol. 116, No. xxx, MR2016-xx, pp. xx-xx, January 30-31, 2017.
12 K. Watanabe and H. Muraoka, "A Study of Off Track Capability of Two-track Reading with a Notched Read-head (Oral)," IEICE Technical Report, Vol. 116, No. 348, MR2016-36, pp. 41-44, December 8-9, 2016.
13 R. Suduto, Y. Nakamura, H. Osawa, Y. Okamoto, Y. Kanai, and H. Muraoka, "A Study on Dependence of Decoding Reliability on Recording Condition in SMR (Oral)," IEICE Technical Report, Vol. 116, No. 348, MR2016-31, pp. 5-9, December 8-9, 2016.
14 J. Saito and H. Muraoka, "Readback Resolution of Dual-layer Media (Oral)," 2016 Special Technical Meeting of Spinics (Tagajyo Campus,Tohoku Gakuin University, Miyagi), November 21-22, 2016.
15 N. Sato and H. Muraoka, "アレイヘッド再生における信号処理の一検討 (Oral)," 2016 Special Technical Meeting of Spinics (Tagajyo Campus,Tohoku Gakuin University, Miyagi), November 21-22, 2016.
16 Y. Nakamura, H. Osawa, Y. Okamoto, Y. Kanai, and H. Muraoka, "エクステンディッド・ライト・ギャップヘッドによるSMRチャネルの性能評価 (Oral)," IEICE Society Conference 2016 (Sapporo Campus, Hokkaido University, Sapporo), September 20-23, 2016.
17 R. Suzutou, Y. Nakamura, H. Osawa, Y. Okamoto, Y. Kanai, and H. Muraoka, "SMRにおけるトラックピッチに対するビット信頼度 (Oral)," IEICE Society Conference 2016 (Sapporo Campus, Hokkaido University, Sapporo, September 20-23, 2016.
18 K. Watanabe and H. Muraoka, "再生素子へのノッチ付与による 2 トラック同時並列再生でのトラックエッジノイズ軽減 (Oral)," IEICE Society Conference 2016 (Sapporo Campus, Hokkaido University, Sapporo), September 20-23, 2016.
19 T. Kikuchi, S.J. Greaves, and H. Muraoka, "MAMRを用いた二層記録におけるECC媒体と単層媒体の比較 (Oral)," IEICE Society Conference 2016 (Sapporo Campus, Hokkaido University, Sapporo), September 20-23, 2016.
20 N. Akitaya, H. Muraoka, and S.J. Greaves, "傾斜異方性記録媒体における磁化反転時間の検討 (Oral)," The 40th Annual Conference on Magnetics in Japan, (Kakuma Campus, Kanazawa University, Kanazwa), September 5-8, 2016.
21 Y. Hirokawa and H. Muraoka, "孤立磁化転移の高速応答のための記録条件 (Oral)," The 40th Annual Conference on Magnetics in Japan, (Kakuma Campus, Kanazawa University, Kanazwa), September 5-8, 2016.
22 Y. Kanai, R. Itagaki, K. Yoshida, S.J. Greaves, and H. Muraoka, "MAMR用SIL-FGL-SIL3層構造STOのマイクロマグ解析 (Oral)," The 40th Annual Conference on Magnetics in Japan, (Kakuma Campus, Kanazawa University, Kanazwa), September 5-8, 2016.
23 J. Saito and H. Muraoka, “Readback Resolution of Dual-layer Media (Oral),”2016 Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan, (Tohoku Institute of Technology, Sendai), August 30-31, 2016.
24 K. Watanabe and H. Muraoka, “Track Edge Noise Suppression in Simultaneous Dual Track Readback Using a Notched Read Head (Oral),”2016 Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan, (Tohoku Institute of Technology, Sendai), August 30-31, 2016.
25 H. Takahira, S. Izumi, T. Abe, and T. Suganuma, “Fundamental Study of Resilient Routing for Urgent Situation after disaster Based on SDN (Oral),”2016 Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan, (Tohoku Institute of Technology, Sendai), August 30-31, 2016.
26 J. Miyazaki, K. Saito, M. Tezuka, T. Nakamura, and h. Muraoka, "大規模災害発生時での高可用ストレージ基盤の耐災害性実証実験 (Oral)," 2016 Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan, (Tohoku Institute of Technology, Sendai), August 30-31 2016.
27 S. Kaneko, H. Kamei, T. Nakamura, and H. Muraoka, "ボラタイルメモリストレージシステム向けのデータレイアウトと保護方式の検討 (Oral)," 2016 Infomation Systems Technical Meeting of IEEJ-EIS(Research Bldg. R781, Future University Hakodate, Hakodate), August 2-3, 2016.
28 Y. Tabuse, Y. Kanai, K. Yoshida, S.J. Greaves, and H. Muraoka, "Micromagnetic Simulation of STO for Microwave-assisted Magnetic Recording (4) -Optimum Injected Current Density of Integrated STO vs. Write Head Structure and Head Material Characteristics- (Oral)," IEICE Technical Report, Vol. 116, No. 83, MR2016-12, pp. 73-78, June 9-10, 2016.
29 K. Abe, Y. Tabuse, Y. Kanai, K. Yoshida, S.J. Greaves, and H. Muraoka, "Simulation of STO for Microwave-assisted Magnetic Recording (3) -Optimum injected current of integrated STO- (Oral) ," IEICE Technical Report, Vol. 116, No. 83, MR2016-11, pp. 67-72, June 9-10, 2016.
30 R. Suzutou, Y. Nakamura, H. Osawa, Y. Okamoto, Y. Kanai, and H. Muraoka, "Effect of Two-dimensional FIR Filter for TDMR (Oral)," IEICE Technical Report, Vol. 116, No. 83, MR2016-9, pp. 59-64, June 9-10, 2016.
31 T. Nakamura, S. Munakata, K. Saito, J. Miyazaki, S. Matsumoto, H. Kamei, and H. Muraoka, "Evaluation of Number of Data Replicas for Urban-area Distributed Storage System Using Hazard Map Information (Oral)," IEICE Technical Report, Vol. 116, No. 83, MR2016-8, pp. 53-58, June 9-10, 2016.
32 N. Akitaya, S.J. Greaves and H. Muraoka, "Micromagnetic Simulations of Magnetisation Reversal Time (Oral)," IEICE Technical Report, Vol. 116, No. 83, MR2016-5, pp. 21-25, June 9-10, 2016.

2015

Journal Papers
1 T. Nakamura, S. Matsumoto, M. Tezuka, S. Izumi, and H. Muraoka, "Comparison of Distance Limiting Methods for Risk-aware Data Replication in Urban and Suburban Area,” Journal of Information Processing Vol. 24, No. 2, pp. 381-389, March 2016.
2 K. Ueno and A. Ohori, “A Type Safe Access to Key-value Stores from Functional Languages,” Journal of Information Processing Vol. 24, No. 1, pp. 141-151, January 2016.
3 S. Matsumoto, T. Nakamura, and H. Muraoka, "Redundancy-based Iterative Method to Select Multiple Safe Replication Sites for Risk-aware Data Replication,” IEEJ Transactions on Electrical and Electronic Engineering Vol. 11, Iss. 1, pp. 96–102, January 2016.
4 H. Muraoka and S.J. Greaves, "Two-Track Reading With a Wide-Track Reader for Shingled Track Recording,” IEEE Trans. Magn. Vol. 51, No. 11, 3002404, November 2015.
5 S.J. Greaves, Y. Kanai, and H. Muraoka, "Microwave-Assisted Shingled Magnetic Recording,” IEEE Trans. Magn. Vol. 51, No. 11, 3001204, November 2015.
6 T. Nakamura, S. Matsumoto, and H. Muraoka, "Discreet Method to Match Safe Site-Pairs in Short Computation Time for Risk-Aware Data Replication,”IEICE Trans. Inf. & Syst., Vol. E98-D, No. 8, pp. 1493-1502, August 2015.
7 T. Jin, H. Muraoka, and S.J. Greaves, "Simple Modeling of Readback Response Based on Granular Micro-structure,”J. Appl. Phys., Vol. 117, 17D114, May 2015.
8 S. Kawamura, Y. Okamoto, Y. Nakamura, H. Osawa, Y. Kanai, and H. Muraoka, "Performance Evaluation of Signal Dependent Noise Predictive Maximum Likelihood Detector for Two-dimensional Magnetic Recording Read/write Channel,”J. Appl. Phys., Vol. 117, 17D112, May 2015.
9 Y. Kanai, S.J. Greaves, K. Yoshida, H. Muraoka, "Micromagnetic Model Analysis of High Frequency Heat-assisted Magnetic Recording,”J. Appl. Phys., Vol. 117, 17C506, May 2015.
10 S.J. Greaves, H. Muraoka, and Y. Kanai, "Modelling of Heat Assisted Magnetic Recording with the Landau-Lifshitz-Bloch Equation and Brillouin Functions,”J. Appl. Phys., Vol. 117, 17C505, May 2015.
11 T. Katayama, Y. Kanai, K. Yoshida, S.J. Greaves, and H. Muraoka, "Micromagnetic Model Analysis of Integrated Single-pole-type Head with Tilted Spin-torque Oscillator for High-frequency Microwave-assisted Magnetic Recording,”J. Appl. Phys., Vol. 117, 17C503, May 2015.
12 A. Hara, H. Muraoka, and S.J. Greaves, "Write Synchronization for Position-correlated Granular Media ,”J. Appl. Phys., Vol. 117, 17A909, May 2015.
13 Y. Nakamura, H. Osawa, Y. Okamoto, Y. Kanai, and H. Muraoka, "Bit Error Rate Performance for Head Skew Angle in Shingled Magnetic Recording Using Dual Reader Heads,”J. Appl. Phys., Vol. 117, 17A901, May 2015.
14 A. Hara and H. Muraoka, "Influence of Switching Field Distribution on the Transition Jitter in Grain-Position Controlled Granular Media," J. Magn. Soc. Jpn., Vol. 39, No. 3, pp. 96-99, April 11, 2015.
15 S.J. Greaves, T. Katayama, Y. Kanai, and H. Muraoka, "The Dynamics of Microwave-Assisted Magnetic Recording,” IEEE Trans. Magn. Vol. 51, No. 4, 3000107, April 2015.
International Conferences
1 R. Suzutou, Y. Nakamura, H. Osawa, Y. Okamoto, Y. Kanai and H. Muraoka, "Effect of Reader Sensitivity Rotation In TDMR With Head Skew (Poster)," The 13th Joint MMM-Intermag Conference (San Diego, USA), January 11-15, 2016.
2 N. Akitaya, S.J. Greaves and H. Muraoka, "High Frequency Magnetic Recording Using a Dual Write Head (Poster)," The 13th Joint MMM-Intermag Conference (San Diego, USA), January 11-15, 2016.
3 S.J. Greaves, Y. Kanai and H. Muraoka, "Recording on Dual-layer and Dual-thickness Bit patterned Media Using Microwave Assisted Magnetic Recording (Poster)," The 13th Joint MMM-Intermag Conference (San Diego, USA), January 11-15, 2016.
4 S.J. Greaves, Y. Kanai and H. Muraoka, "Microwave Assisted Magnetic Recording on Exchange Coupled Composite Media (Poster)," The 13th Joint MMM-Intermag Conference (San Diego, USA), January 11-15, 2016.
5 Y. Kanai, T. Katayama, K. Yoshida, S.J. Greaves and H. Muraoka, "Micromagnetic Simulation of STO for Microwave-assisted Magnetic Recording - Interaction of Write Head and STO and Optimum Injected Current (Poster)," The 13th Joint MMM-Intermag Conference (San Diego, USA), January 11-15, 2016.
6 S. Izumi, A. Edo, T. Abe, and T. Suganuma, "An Adaptive Multipath Routing Scheme based on SDN for Disaster-resistant Storage Systems(Oral)," The 17th International Symposium on Multimedia Network Systems and Applications (MNSA-2015) (Krakow, Poland), November 4-6, 2015. Proc. of The 17th International Symposium on Multimedia Network Systems and Applications (MNSA-2015), pp.478-483, November 2015.
7 H. Muraoka, "Thermal Stability of Bit-Patterned Media [Invited] (Oral)," ICMAT2015 & IUMRS-ICA Together with PGC2015 (Suntec, Singapore), June 28-July 3, 2015.
8 H. Muraoka, "High Density Magnetic Storage: Big Data on Tiny Magnets [Plenary] (Oral)," Annual Meeting of the Taiwan Association for Magnetic Technology & 27th Workshop on Magnetism and Magnetic Technology (National Taiwan Normal University, Taipei City), June 28-30, 2015.
9 S.J. Greaves, "Domain Wall Pinning in Nanowires by Antiferromagnets (Oral)," JSPS/EPSRC/DFG York-Tohoku Symposium on New-Concept Spintronics Devices (York University, England), June 11-13, 2015.
10 H. Muraoka, "Thermal Stability of Bit-Patterned Media (Oral)," JSPS/EPSRC/DFG York-Tohoku Symposium on New-Concept Spintronics Devices (York University, England), June 11-13, 2015.
11 S.J. Greaves, Y. Kanai, and H. Muraoka, "Microwave-assisted Shingled Magnetic Recording (Poster)," IEEE International Magnetics Conference (INTERMAG 2015)(Beijing, China), May 11-15, 2015.
12 T. Jin, H. Muraoka, and S.J. Greaves, "Analytical Expressions for Transition Width and Transition Jitter in Granular PMR Media Taking Account of Switching Field Distribution (Poster)," IEEE International Magnetics Conference (INTERMAG 2015)(Beijing, China), May 11-15, 2015.
13 H. Muraoka, "Two-track Reading with A Wide-track Reader for Shingled Track Recording (Poster)," IEEE International Magnetics Conference (INTERMAG 2015)(Beijing, China), May 11-15, 2015.
14 R. Suzutou, Y. Nakamura, H. Osawa, Y. Okamoto, Y. Kanai, and H. Muraoka, "Performance Evaluation of LDPC Coding and Iterative Decoding System in TDMR R/W Channel with Head Skew (Poster)," IEEE International Magnetics Conference (INTERMAG 2015)(Beijing, China), May 11-15, 2015.
15 K.K. Teo, K. Chan, S.J. Greaves, and Y. Kanai, "Areal Density Prediction for Microwave Assisted Magnetic Recording (MAMR)(Oral)," IEEE International Magnetics Conference (INTERMAG 2015)(Beijing, China), May 11-15, 2015.
Domestic Conferences
1 M. Kanda and H. Muraoka, "アレイヘッドによるオフトラック特性向上効果(Oral)," Proc. of The 2016 IEICE General Conference (Ito Campus, Kyushu University), March 15-18, 2016.
2 K. Watanabe and H. Muraoka, "シングルヘッドでの 2 トラック同時再生 (Oral)," Proc. of The 2016 IEICE General Conference (Ito Campus, Kyushu University), March 15-18, 2016.
3 R. Suzutou, Y. Nakamura, H. Osawa, Y. Okamaoto, Y. Kanai and H. Muraoka, "SMRにおけるヘッドスキュー角に対するビット信頼度 (Oral)," Proc. of The 2016 IEICE General Conference (Ito Campus, Kyushu University), March 15-18, 2016.
4 Y. Hirokawa and H. Muraoka, "ダイビット記録による高速応答特性の測定(Oral)," Proc. of The 2016 IEICE General Conference (Ito Campus, Kyushu University), March 15-18, 2016.
5 J. Miyazaki, M. Tezuka, K. Saito, T. Nakamura and H. Muraoka, "大規模災害発生時の災害の網羅性と震源域の局地性の両方を考慮したシナリオによる高可用ストレージ基盤の耐災害性実証実験 (Oral)," Proc. of The 78th National Convention of IPSJ (Yagami Campus, Keio University), March 10-12, 2016.
6 A. Edo, S. Izumi, T. Abe and T. Suganuma, "災害リスクを考慮したネットワークの経路制御手法に関する性能評価 (Oral)," Proc. of The 78th National Convention of IPSJ (Yagami Campus, Keio University), 7T07, pp. 3/327-328March 10-12, 2016.
7 S. Izumi, A. Edo, T. Abe and T. Suganuma, "高可用性ストレージステムのためのSDNを用いた環境適応型通信方式の評価 (Oral)," Proc. of The 78th National Convention of IPSJ (Yagami Campus, Keio University), 6C-06, pp. 3/35-36, March 10-12, 2016.
8 K. Takanashi, D. Kikuchi, K. Saitoh, and M. Tezuka, "関数型言語SML#による開発支援のためのEclipseプラグインの開発 (Oral)," Proc. of The 78th National Convention of IPSJ (Yagami Campus, Keio University), March 10-12, 2016.
9 T. Suganuma, "Never-Die Network: 耐災害ICT基盤技術とその応用に関する研究 【Invited】 (Oral)," The 20th Kansai University Symposium on Advanced Sicence and Technology(The 100th Anniversary Hall, Senriyama Campus, Kansai University), January 21-22, 2016.
10 H. Kamei, S. Matsumoto, T. Nakamura, and H. Muraoka, "Evaluation for Restoration Time of Erasure Coded Data after Large-scale Disaster (Oral)," IEICE Technical Report, Vol. 115, No. 356, MR2015-28, pp. 37-42, December 10-11, 2015.
11 M. Kanda and H. Muraoka, "Readback Response by Array Reader for ITI Suppression (Oral)," IEICE Technical Report, Vol. 115, No. 356, MR2015-23, pp. 7-12, December 10-11, 2015.
12 R. Suzutou, Y. Nakamura, H. Osawa, Y. Okamoto, Y. Kanai, and H. Muraoka, "A Study on Margin for Reader Size in Array Head for TDMR (Oral)," IEICE Technical Report, Vol. 115, No. 356, MR2015-22, pp. 1-6, December 10-11, 2015.
13 Y. Hirokawa and H. Muraoka, "High-speed Response of Isolated Magnetization Transition (Oral)," 2015 Special Technical Meeting of Spinics (15-5-8) (Shinshu University, Matsumoto), November 19-20, 2015.
14 Y. Tabuse, Y. Kanai, K. Yoshida, S.J. Greaves, and H. Muraoka, "Micromagnetic Analysis for STO-based Interaction Restrain of MAMR (Oral)," 2015 Special Technical Meeting of Spinics (15-5-7) (Shinshu University, Matsumoto), November 19-20, 2015.
15 H. Muraoka, Panel Discussion, "Toward Cyber-physical Society (Oral) (Invited)," The 8th Seminar for Thinking General Science(2F Large Conference Room of Research Building, GSIS, Tohoku University)October 30, 2015.
16 S. Izumi, A. Edo, T. Abe, and T. Suganuma, "Design and Implementation of SDN-based Communication System Between Each Storage System for Highly-functional and Highly-available Storage Systems(Oral)," Proc. of The 23th Distributed Processing System Workshop (DPSWS2015) (Unzen Hot-Spring, Unzen Fukiya, Unzen-city, Nagasaki), Vol. 2015, No. 5, pp. 172-177, October 14-16, 2015.
17 S. Izumi, "Network Technology for Disaster-resistant Storage Systems(Oral)," The 1st RICC - RIEC Workshop (6F Small Conference Room(M603), Main Building of RIEC, Tohoku University) October 5, 2015.
18 T. Nakamura, "Risk-based Redundancy Determination Method for Disaster-resistant Storage Systems(Oral)," The 1st RICC - RIEC Workshop (6F Small Conference Room(M603), Main Building of RIEC, Tohoku University)October 5, 2015.
19 R. Suzutou, Y. Okamoto, Y. Nakamura, H. Osawa, Y. Kanai, and H. Muraoka, "Influence of Adjacent Bits on Bit Reliabilty in SMR(Oral)," The 39th Annual Conference on Magnetics in Japan (Higashiyama Campus, Nagoya University), September 8-11, 2015.
20 N. Akitaya, Muraoka and S.J. Greaves, "Calculation of Magnetization Reversal Times and its Propability Using the LLG Equation(Oral)," The 39th Annual Conference on Magnetics in Japan (Higashiyama Campus, Nagoya University), September 8-11, 2015.
21 H. Muraoka, "Technical Trend of High Density Storage Systems against Big Volume of Information(Special Lecture)," IEICE Society Conference 2015 (North Kawauchi Campus, Tohoku University), September 8-11, 2015.
22 A. Edo, S. Izumi, T. Abe and T. Suganuma, "A Study of File Transmission Method Based on Diaster State (Oral)," Proc. of IEICE Society Conference 2015 (North Kawauchi Campus, Tohoku University), Vol. 2, pp. 92, September 8-11, 2015.
23 S. Izumi, A. Edo, T. Abe and T. Suganuma, "High-speed Communication between Each Storage System to realize Highly-available Storage Systems(Oral)," Proc. of IEICE Society Conference 2015 (North Kawauchi Campus, Tohoku University), Vol. 2, pp. 91, September 8-11, 2015.
24 R. Suzutou, Y. Nakamura, H. Osawa, Y. Okamato, Y. Kanai and H. Muraoka, "A Study on Read-back Sensitivity Rotation in Shingled Magnatic Recording (Oral)," IEICE Society Conference 2015 (North Kawauchi Campus, Tohoku University), September 8-11, 2015.
25 M. Kanda, H. Muraoka and S.J. Greaves, "Inter-Track Interference Suppression with Array Reader for Narrow Track Recording (oral)," 2015 Tohoku Section Joint Conference of Institutes of Electrical and Information Engineers, Japan (Iwate Prefectural University)、August 27-28, 2015.
26 N. Akitaya, H. Muraoka and S.J. Greaves, "Calculation of Magnetization Reversal Times Using the LLG Equation (Oral)," 2015 Tohoku Section Joint Conference of Institutes of Electrical and Information Engineers, Japan (Iwate Prefectural University)、August 27-28, 2015.
27 H. Muraoka, T. Nakamura and S. Munakata, "Large Capacity-oriented Information Storage and Development of Highly-available Information Storage Technology," The 203 Reseach Meeting of the Magnetics Society of Japan (CST Hall, 1st Building, Surugadai Campus, Nihon University, Tokyo), July 25, 2015.
28 A. Edo, S. Izumi, T. Abe and T. Suganuma, "Design and Implementation of Smart-routing based on Disaster Risks (Oral)," Proc. of Multimedia, Distributed, Cooperative, and Mobile Symposium (DICOMO2015) (Hotel Appi Grand、Appi Highland, Hachimandaira City, Iwate), pp. 1520-1524, July 8-10, 2015.
29 H. Muraoka, "80 Years since Invention of Magnetic Sound Recording and Development to Information Storage," Memorial Lecture Meeting on Main Building Dedication and Commerative Ceremony for the 80 th Anniversary of the RIEC Foundation (6F Large Conference Room, RIEC), June 23, 2015.
30 M. Ousaka, D. Kikuchi, M. Ueno, A. Ohori, and K. Sasaki, "関数型言語による高水準なWebアプリケーション開発環境 (Oral)," The 104th Programming Research Meeting (Toyama Prefectuarl Education & Culture Hall, Toyama), June 4-5, 2015.
31 R. Suzuto, Y. Nakamura, H. Osawa, Y. Okamoto, Y. Kanai, and H. Muraoka, "Performance Evaluation of Array head Reading for Head Skew in TDMR," IEICE Technical Report, Vol. 115, No. 71, MR2015-7, pp. 43-48, June 5, 2015.
32 T. Kondoh, Y. Nakamura, H. Osawa, Y. Okamoto, Y. Kanai, and H. Muraoka, "Performance Evaluation of Multi-input Multi-output Viterbi Detector for TDMR," IEICE Technical Report, Vol. 115, No. 71, MR2015-6, pp. 37-41, June 5, 2015.
Review Papers
1 S. Munakata, K. Saito, and M. Tezuka, "First Experiments of Highly-functional and Highly-available Information Storage with Medication Record Software," Hitachi Solutions East Japan Technical Report, No. 21, pp. 59-63, October 2015.

2014

Journal Papers
1 Y. Nakamura, N. Fujimoto, Y. Okamoto, H. Osawa, and H. Muraoka, "Evaluation of Multiple Reader Location for TDMR R/W Channel,” IEEE Trans. Magn. Vol. 50, No. 11, 3002104, November 2014.
2 T. Katayama, Y. Kanai, K. Yoshida, S.J. Greaves, and H. Muraoka, "Model Analysis of Tilted Spin-Torque Oscillator With Magnetic Write Head for Shingled Microwave-Assisted Magnetic Recording,” IEEE Trans. Magn. Vol. 50, No. 11, 3001904, November 2014.
3 Y. Kanai, H. Tamura, K. Yamakawa, K. Yoshida, S.J. Greaves, and H. Muraoka, "Model Analysis of Magnetic Write Head for Shingled Thermally,” IEEE Trans. Magn. Vol. 50, No. 11, 3001404, November 2014.
4 S.J. Greaves, Y. Kanai, and H. Muraoka, "Shingled Thermally Assisted Magnetic Recording for 8 Tbit/in2,” IEEE Trans. Magn. Vol. 50, No. 11, 3001204, November 2014.
5 T. Sato, T. Nakamura, and H. Muraoka, "A Proposal for Method of Hybrid Storage System to Improve Sequential Access Transfer Rate for Workloads with Low Access Locality," J. IEEJ., Vol. 134, No. 11, pp. 1746-1754, November 2014.
6 S. Kitakami, Y. Kaneko, H. Kambe, S. Nankaku, T. Suganuma, "A Load Balancing Method for M2M Proxy Server to Realize Multi-service Connectivity and its Implementation," J. IEEJ., Vol. 134, No. 11, pp. 1104-1113, August 2014.
7 M.R. Elidrissi, K.S. Chan, S.J. Greaves, Y. Kanai, and H. Muraoka, "Skew Angle Effects in Shingled Magnetic Recording System with Double/triple Reader Head Array," J. Appl. Phys., Vol. 115, 17B753, May 2014.
8 A. Hara and H. Muraoka, "Jitter Noise Reduction by Improving Grain Uniformity in Granular Media," J. Appl. Phys., Vol. 115, 17B730, May 2014.
9 H. Nobuhara, Y. Okamoto, M. Yamashita, Y. Nakamura, H. Osawa, and H. Muraoka, "Influence of Writing and Reading Intertrack Interferences in Terms of bit Aspect Ratio in Shingled Magnetic Recording," J. Appl. Phys., Vol. 115, 17B729, May 2014.
10 S.J. Greaves, H. Muraoka, and Y. Kanai, "Analysis of Unswitched Grains in Thermally Assisted Magnetic Recording," J. Appl. Phys., Vol. 115, 17B708, May 2014.
International Conferences
1 S. Izumi, A. Edo, T. Abe, and T. Suganuma, "Design and Implementation of SDN-based Smart Routing for Disaster-resistant File Transfer," The 3rd Asian Conference on Information Systems (ACIS2014) (Nha Trang, Viet Nam), December 1-3, 2014.
2 S. Matsumoto, T. Nakamura, and H. Muraoka, "Risk-based Method for Data Redundancy Determination to Improve Replica Capacity Efficiency," The 3rd Asian Conference on Information Systems (ACIS2014) (Nha Trang, Viet Nam), December 1-3, 2014.
3 H. Kamei, O. Yashiro, and T. Nakamura, "A Method of Shared File Cache for File Clone Function for Fast Virtual Machine Boot," The 3rd Asian Conference on Information Systems (ACIS2014) (Nha Trang, Viet Nam), December 1-3, 2014.
4 S. Kawamura, Y. Okamoto, Y. Nakamura, H. Osawa, Y. Kanai, and H. Muraoka, "Performance Evaluation of Signal Dependent Noise Predictive ML Detector for TDMR R/W Channel," The 59th Annual Magnetism and Magnetic Materials (MMM) Conference (Honolulu, Hawaii), November 3-7, 2014.
5 T. Jin and H. Muraoka, "Grain Modeling Based on a Real Media," The 59th Annual Magnetism and Magnetic Materials (MMM) Conference (Honolulu, Hawaii), November 3-7, 2014.
6 A. Hara and H. Muraoka, "Write Synchronization for Grain Position Controlled Granular Media," The 59th Annual Magnetism and Magnetic Materials (MMM) Conference (Honolulu, Hawaii), November 3-7, 2014.
7 Y. Nakamura, H. Osawa, Y. Okamoto, Y. Kanai, and H. Muraoka, "Bit Error Rate Performance for Head Skew Angle in Shingled Magnetic Recording using Dual Reader Heads," The 59th Annual Magnetism and Magnetic Materials (MMM) Conference (Honolulu, Hawaii), November 3-7, 2014.
8 Y. Kanai, S. Greaves, K. Yoshida, and H. Muraoka, "Micromagnetic Model Analysis of High-frequency Thermally Assisted Magnetic Recording," The 59th Annual Magnetism and Magnetic Materials (MMM) Conference (Honolulu, Hawaii), November 3-7, 2014.
9 T. Katayama, Y. Kanai, K. Yoshida, S.J. Greaves, and H. Muraoka, "Micromagnetic Model Analysis of Integrated SPT Head with Tilted STO for High-frequency Microwave-assisted Magnetic Recording," The 59th Annual Magnetism and Magnetic Materials (MMM) Conference (Honolulu, Hawaii), November 3-7, 2014.
10 S.J. Greaves, Y. Kanai, and H. Muraoka, "Modelling of Thermally Assisted Magnetic Recording with the LLB Equation and Brillouin Functions," The 59th Annual Magnetism and Magnetic Materials (MMM) Conference (Honolulu, Hawaii), November 3-7, 2014.
11 J. Ito, A. Edo, S. Izumi, T. Abe, and T. Suganuma, "A Flexible Selection of Internet Connections based on Network Expert Knowledge," The 13th IEEE International Conference on Cognitive Informatics & Cognitive Computing (ICCI*CC2014), (London, UK), August 18-20, 2014.
12 S.J. Greaves, Y. KanaI, T. Katayama, and H. Muraoka, "Interactions Between Write Head Fields and Spin Torque Oscillators," (Invited Talk), The 25th Magnetic Recording Conference (TMRC 2014)(UC Berkeley, USA), August 11-13, 2014.
13 H. Nobuhara, Y. Okamoto, Y. Nakamura, H. Osawa, and H. Muraoka, "Influence of Writing and Reading ITI′s Depending on the Recording Patterns in Shingled Magnetic Recording," IEEE International Magnetics Conference (INTERMAG 2014)(Dresden, Germany), May 4-8, 2014.
14 Y. Nakamura, N. Fujimoto, H. Osawa, Y. Okamoto, and H. Muraoka, "Evaluation of Multiple Reader Location for TDMR R/W Channel," IEEE International Magnetics Conference (INTERMAG 2014)(Dresden, Germany), May 4-8, 2014.
15 Y. Kanai, H. Tamura, K. Yamakawa, K. Yoshida, S.J. Greaves, and H. Muraoka, "Model Analysis of Magnetic Write Head for Shingled Thermally-Assisted Magnetic Recording," IEEE International Magnetics Conference (INTERMAG 2014)(Dresden, Germany), May 4-8, 2014.
16 S.J. Greaves, Y. Kanai, and H. Muraoka, "Shingled Thermally Assisted Magnetic Recording For 8 Tbit/in2," IEEE International Magnetics Conference (INTERMAG 2014)(Dresden, Germany), May 4-8, 2014.
17 Y. Kanai, H. Tamura, K. Yamakawa, K. Yoshida, S.J. Greaves, and H. Muraoka, "Model Analysis of Magnetic Write Head for Shingled Thermally-Assisted Magnetic Recording," IEEE International Magnetics Conference (INTERMAG 2014)(Dresden, Germany), May 4-8, 2014.
Domestic Conferences
1 S. Munakata, C. Song, M. Tezuka, and H. Muraoka, "薬歴データへのアクセスを想定した大規模災害時の高可用ストレージ基盤の耐災害性評価," Proc. of The 77th National Convention of IPSJ (Kyoto University, Yoshidayama Campus), March 16-19, 2015.
2 A. Edo, S. Izumi, T. Abe, and T. Suganuma, "災害のリスクを考慮したネットワークの経路制御手法の提案," Proc. of The 77th National Convention of IPSJ (Kyoto University, Yoshidayama Campus), March 16-19, 2015.
3 S. Izumi, A. Edo, T. Abe, and T. Suganuma, "耐災害性強化ストレージシステムのためのスマートルーティングの提案," Proc. of The 77th National Convention of IPSJ (Kyoto University, Yoshidayama Campus), March 16-19, 2015.
4 S. Onuma, K. Ichiji, T. Abe, and T. Suganuma, "ネットワーク情報のAR可視化によるネットワーク管理手法に関する基礎的検討," Proc. of The 77th National Convention of IPSJ (Kyoto University, Yoshidayama Campus), March 16-19, 2015.
5 Y. Nakamura, H. Osawa, Y. Okamoto, Y. Kanai, and H. Muraoka, "SMRにおける再生感度とトラックピッチの一検討," Proc. of The 2015 IEICE General Conference (Ritsumeikan University, Kusatsu-Biwako Campus), March 10-13, 2015.
6 S. Kawamura, Y. Okamoto, Y. Nakamura, H. Osawa, Y. Kanai, and H. Muraoka, "シングル磁気記録におけるアレイヘッド再生に対するSDNPの性能に関する一検討," Proc. of The 2015 IEICE General Conference (Ritsumeikan University, Kusatsu-Biwako Campus), March 10-13, 2015.
7 T. Jin, H. Muraoka, and S.J. Greaves, "グラニュラ微細構造に基づいた再生応答のモデリング," Proc. of The 2015 IEICE General Conference (Ritsumeikan University, Kusatsu-Biwako Campus), March 10-13, 2015.
8 M. Kanda and H. Muraoka, "ITI supression Using Array Head," Proc. of The 2015 IEICE General Conference (Ritsumeikan University, Kusatsu-Biwako Campus), March 10-13, 2015.
9 N. Akitaya, H. Muraoka, and S.J. Greaves, "LLG方程式を用いたグラニュラ媒体の磁化反転," Proc. of The 2015 IEICE General Conference (Ritsumeikan University, Kusatsu-Biwako Campus), March 10-13, 2015.
10 T. Katayama, Y. Kanai, K. Yoshida, S.J. Greaves, and H. Muraoka, "Simulation of STO for Microwave-assisted Magnetic Recording (2)-Interaction of Write Head and STO and Optimum Injected Current-," IEICE Technical Report, Vol. 114, No. 505, MR2014-47, pp. 53-58, March 6, 2015.
11 H. Muraoka, "Big Data and Nano-technology: Large Capacity Storage and High Density Magnetic Recording," The 14th meeting between Tohoku University and NTT (Metropolitan Hotel, Sendai), December 16, 2014.
12 T. Jin, H. Muraoka, and S.J. Greaves, "Simple Modeling of Readback Response Based on Granular Micro-structure," IEICE Technical Report, Vol. 114, No. 355, MR2014-34, pp. 35-39, December 11, 2014.
13 R. Suzutou, Y. Nakamura, H. Osawa, Y. Okamoto, Y. Kanai, and H. Muraoka, "Performance Evaluation of LDPC Coding and Iterative Decoding System in SMR with Head Skew," IEICE Technical Report, Vol. 114, No. 355, MR2014-29, pp. 7-12, December 11, 2014.
14 N. Fujimoto, Y. Nakamura, H. Osawa, Y. Okamoto, Y. Kanai, and H. Muraoka, "A Study on Two-dimensional Equalization for Array Head Reading in SMR," IEICE Technical Report, Vol. 114, No. 355, MR2014-28, pp. 1-6, December 11, 2014.
15 S.J. Greaves, T. Katayama, Y. Kanai, and H. Muraoka, "Microwave Assisted Magnetic Recording - Optimisation and Dynamics," IEICE Technical Report, Vol. 114, No. xxx, MR2014-xx, pp. xx-xx, November 25, 2014.
16 T. Nakamura, "Research and Development on Distributed Storage System for Sustainable Service under Big Disasters," (Invited) JSPS 163rd Committee on Internet Technology(ITRC meet36)(Green-squalle Sekigane, Tottori), November 25, 2014.
17 T. Jin, H. Muraoka, and S.J. Greaves, "Simple Modeling of Readback Response Based on Granular Micro-structure," 2014 Special Technical Meeting of Spinics (Yamagata University, Yonezawa), November 13-14, 2014.
18 T. Katayama, Y. Kanai, K. Yoshida, S.J. Greaves, and H. Muraoka, "Simulation of spin-torque oscillator for microwave-assisted magnetic recording," IEICE Technical Report, Vol. 114, No. 234, MR2014-19, pp.33-38, October 2-3, 2014.
19 Y. Nakamura, R. Suzufuji, H. Osawa, Y. Okamoto, Y. Kanai, and H. Muraoka, Bit Error Rate Performance of Readback using Multi Reader Heads in Shingled Magnetic Recording," IEICE Society Conference 2014, (Jyosanjima Campus, The University of Tokushima), September 23-26, 2014.
20 N. Nakamura, S. Izumi, T. Nagata, T. Suganuma, and N. Shiratori, "Implementation of a System for Visualizing Power Consumptions of Networked Devices in Large-scale Network and Its Evaluation," IEICE Technical Report, Vol. 114, No. 207, IN2014-53, pp. 19-24, September 2014.
21 S. Izumi, N. Nakamura, T. Suganuma, and N. Shiratori, "Proposal of Estimation Method of Power Consumptions based on Network Information and Its Evaluation," IEICE Technical Report, Vol. 114, No. 207, IN2014-52, pp. 13-18, September 2014.
22 Y. Nakamura, H. Osawa, Y. Okamoto, Y. Kanai, and H. Muraoka, "Bit Error Rate Performance for Head Skew Angle in Shingled Magnetic Recording," The 38th Annual Conference on Magnetics in Japan (Hiyoshi Campus, Keio University), September 2-5, 2014.
23 A. Hara and H. Muraoka, "Suppression of Jittar Noise by Controlling Distribution of Magnetic Grains," The 38th Annual Conference on Magnetics in Japan (Hiyoshi Campus, Keio University), September 2-5, 2014.
24 T. Katayama, Y. Kanai, K. Yoshida, S. Greaves, and H. Muraoka, "High-frequency Response Analysis of SMR-MAMR Head," The 38th Annual Conference on Magnetics in Japan (Hiyoshi Campus, Keio University), September 2-5, 2014.
25 T. Jin and H. Muraoka, "Statistical Parameters of Micro Structure of Granular Magnetic Recording Media," 2014 Tohoku Section Joint Conference of Institutes of Electrical and Information Engineers, Japan (School of Engineering, Yamagata University), August 21-22, 2014.
26 H. Kamei, O. Yashiro, and T. Nakamura, "A Method of Shared File Cache for File Clone Function," The 59th Technical Meeting of Information Systems, IEEJ (RIEC, Tohoku University), August 5-6, 2014.
27 T. Nakamura, "Research and Development on Distributed Storage System for Sustainable Service under Big Disasters," (Invited), IPSJ/SIG, the 160th Multumedia Communications and Distrubuted Processing (Hotel Hiraizumi Musashibou), July 24-25, 2014.
28 J. Ito, A. Asato, S. Izumi, T. Abe, and T. Suganuma, "A Design of Flexible Selection of Internet Connections Based on Network Expert Knowledge," IEICE Technical Report, Vol. 114, No. 139, IN2014-35, pp. 31-36, July 2014.
29 S. Izumi and T. Suganuma, "Network Technology for High Abailable Storage System," JSPS 163rd Committee on Internet Technology(ITRC meet35)(Mukougaoka Faculty House, Yayoi Campus, The University of Tokyo), June 17-18, 2014.
30 Y. Okamoto, Y. Nakamura, H. Osawa, Y. Kanai, and H. Muraoka, "A Study of Read/write Simulation for Shingled Magnaetic Recording," IEICE Technical Report, Vol. 114, No. 77, MR2014-3, pp.13-18, June 2014.

2013

Journal Papers
1 M. Yamashita, Y. Okamoto, Y. Nakamura, H. Osawa, S. J. Greaves, and H. Muraoka, "Performance Evaluation of Neuro-ITI Canceller Using a Modified Writing Process for TDMR," IEICE Trans. Electron., Vol. E96-C, No.12, pp.1504-1507, December 1, 2013.
2 Y. Nakamura, Y. Okamoto, H. Osawa, H. Aoi, and H. Muraoka, "Performance Evaluation of Non-binary LDPC Coding and Iterative Decoding System for BPM R/W Channel with Write-Errors," IEICE Trans. Electron., Vol. E96-C, No.12, pp.1497-1503, December 1, 2013.
3 S. Matsumoto, T. Nakamura, and H. Muraoka, "Risk-aware Data Replication to Massively Multi-sites against Widespread Disasters ," Rangsit Journal of Information Technology, Vol. 1, No.2, pp.22-28, December 2013.
4 Y. Kanai, H. Tamura, K. Yamakawa, K. Yoshida, S. J. Greaves, and H. Muraoka, "Micromagnetic Model Analysis of Planar-Type Write Head Field Response and Dependence on Pole Tip, Return Yoke, and Shield Structure," IEEE Trans. Magn. Vol. 49, No. 9, pp. 4970-4976, September 2013.
5 H. Nobuhara, Y. Okamaoto, Y. Nakamura, K. Tkada, M. Yamashita, H. Osawa, and H. Muraoka, "Infulence of Writing ITI Effects in Shingled Magnetic Recording,” IEEE Trans. Magn. Vol. 49, No. 7, pp. 3814-3817, July 2013.
6 M. Yamashita, Y. Okamoto, Y. Nakamura, H. Osawa, and H. Muraoka, “Performance Evaluation of Neuro ITI Canceller for Two-Dimensional Magnetic Recording by Shingled Magnetic Recording,” IEEE Trans. Magn. Vol. 49, No. 7, pp. 3810-3813, July 2013.
7 S. J. Greaves, Y. Kanai, and H. Muraoka, “High Frequency Recording With Shielded Planar Type Heads,” IEEE Trans. Magn. Vol. 49, No. 7, pp. 3806-3809, July 2013.
8 K. Miura, H. Katada, M. Oguma, Y. Nishida, and H. Muraoka, "Erase Band Noise and Generation Mechanism Due to an Adjacent Track,” IEEE Trans. Magn. Vol. 49, No. 7, pp. 3795-3798, July 2013.
9 Y. Nakamura, J. Ueda, Y. Okamoto, H. Osawa,and H. Muraoka, “Nonbinary LDPC Coding System With Symbol-By-Symbol Turbo Equalizer for Shingled Magnetic Recording,” IEEE Trans. Magn., Vol. 49, No. 7, pp. 3791-3794, July 2013.
10 S. J. Greaves and H. Muraoka, "Effect of Growth Temperature on Ordering of Two- dimensional Square Spin Ice,” J. Appl. Phys., Vol. 113, No. 17, 17B517, 2013.
11 H. T. Wang, M. R. Elidrissi, K. S. Chan, K. Eason, B. X. Xu, S. J. Greaves, Y. Kanai, H. Muraoka, “Optical Design of MAMR and HAMR by Applying Response Surface methodology,” IEEE. Trans. Magn., Vol. 49, No. 6, pp. 2719-2722, June 2013.
12 S. J. Greaves, Y. Kanai, and H. Muraoka, "Thermally Assisted Magnetic Recording at 4 Tbit/in2," IEEE Trans. Magn., Vol.49, No.6, pp.2665-2670, June 2013 [Invited].
13 T. Fukatani, K. Matsuzawa, H. Kamei, M. Agetsuma, and T. Nakamura, "A Method for Eliminating Metadata Cache De-allocation Latency in Enterprise File Servers," IEEE Trans. Magn., Vol. 49, No. 6, pp. 2504-2509, June 2013.
14 N. Matsuura, K. Miura, and H. Muraoka, "Resolution of Shielded MR Head for Bit Patterned Media," J. Magn. Soc. Jpn., Vol. 37, No. 3, pp. 49-55, May 2013.
International Conferences
1 S.J. Greaves, H. Muraoaka, and Y. Kanai, "Analysis of Unswitched Grains in Thermally Assisted Magnetic Recording," 58th Annual Conference on Magnetism and Magnetic Materials (MMM) (Denver, Colorado, USA), November 4-8, 2013.
2 H. Nobuhara, Y. Okamoto, M. Yamashita, Y. Nakamura, H. Osawa, and H Muraoka, "Influence of Writing and Reading ITI’s in terms of BAR in Shingled Magnetic Recording," 58th Annual Conference on Magnetism and Magnetic Materials (MMM) (Denver, Colorado, USA), November 4-8, 2013.
3 A. Hara and H. Muraoka, "Jitter Noise Reduction by Improving Grain Uniformity in Granular Media," 58th Annual Conference on Magnetism and Magnetic Materials (MMM) (Denver, Colorado, USA), November 4-8, 2013.
4 M.R. Elidrissi, K. S. Chan, S.J. Greaves, Y. Kanai, and H. Muraoka, "Study of Skew Angle Effects in a TDMR System," 58th Annual Conference on Magnetism and Magnetic Materials (MMM) (Denver, Colorado, USA), November 4-8, 2013.
5 S. Matsumoto, T. Nakamura, and H. Muraoka, "Risk-aware Data Replication to Massively Multi-sites against Widespread Disasters," The 2nd Asian Conference on Information Systems (ACIS2013) (Phuket, Thailand), October 31- November 2, 2013.[Best Paper Award (Runner-up)]
6 T. Oide, A. Takeda, T. Suganuma, and A. Takahashi, "Implementation and Evaluation of the Well-distribution Algorithm for an Overlay Network,"Proc. of the 7th IEEE International Workshop on Middleware Architecture in the Internet (MidArch2013) (Kyoto), pp.373-378, July 22-26, 2013.
7 H. Kamei, T. Nakamura, and N. Komoda, "SDD: Selective De-duplication with Index by File Size for Primary File Servers," Proc. of 2013 Int. Conf. on Computer Design (CDES'13)(Las Vegas), July 22-25, 2013.
8 T. Oide, A. Takeda, A. Takahashi, and T. Suganuma, "Design of a P2P Information Sharing System and Its Application to Communication Support in Natural Disaster," Proc. of the 12th IEEE International Conference on Cognitive Informatics & Cognitive Computing (ICCI*CC2013)(University of Calgary), pp.118-125, July 16-18, 2013.
9 T. Suganuma, "Resilient Networking Technology for Disaster Medicine Based on Software Defined Network," Proc. of the 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC2013) (Osaka), July 3-7, 2013.
10 H. Muraoka, “Challenges for 10 Tbit/inch2 Recording with Bit-patterned Media,” JSPS York-Tohoku Symposium on Magnetic Materials and Spintronic Devices, June 11, 2013 (York, UK) [Invited]
Domestic Conferences
1 A. Hara and H. Muraoka, "記録層磁性粒子の規則性向上によるジッタノイズ低減," Proc. of The 2014 IEICE General Conference (Niigata University), March 18-21, 2014.
2 T. Sato, T. Nakamura, and H. Muraoka, "中小サイズファイルのシーケンシャルアクセス転送速度を改善するハイブリッドストレージシステム構成の提案," Proc. of The 2014 IEICE General Conference (Niigata University), March 18-21, 2014.
3 H. Nobehara, Y. Okamoto, Y. Nakamura, H. Osawa, and H. Muraoka, "シングル磁気記録におけるITIの影響に関する一検討," Proc. of The 2014 IEICE General Conference (Niigata University), March 18-21, 2014.
4 N. Fujimoto, Y. Nakamura, H. Osawa, Y. Okamoto, and H. Muraoka,"シングル磁気記録における3つの再生ヘッドの走査位置の一検討," Proc. of The 2014 IEICE General Conference (Niigata University), March 18-21, 2014.
5 A. Edo, J. Ito, T. Abe, and T. Suganuma, "SDNに基づく知識型ネットワーク制御機構の検討," Proc. of The 76th National Convention of IPSJ (Tokyo Denki University), March 11-13, 2014.
6 J. Ito, T. Abe, and T. Suganuma, "知識を用いた複数アクセス回線の効果的な併用手法," Proc. of The 76th National Convention of IPSJ (Tokyo Denki University), March 11-13, 2014.
7 H. Saito, Y. Ueno, A. Morihata, and A. Ohori, "SML#のSQL統合機能への行集約機能の実装," Proc. of The 16th JSSST Workshop on Programming and Programming Languages (PPL2014), March 5-7, 2014.
8 N. Yamamoto and H. Muraoka, "High-speed Data Transfer of HDD by Parallel Distributed File Systems," ITEJ Technical Report Vol. 37, No. 57, pp.1-5, (MMS2013-20), December 12-13, 2013.
9 H. Tamura, Y. Kanai, K. Yamakawa, K. Yoshida, S. J. Greaves, and H. Muraoka, "Recording Field Analysis of a Magnetic Write Head for Thermally-assisted Magnetic Recording Assuming Shingled Write Scheme," IEICE Technical Report, Vol. 113, No. 345, MR2013-33, pp.49-54, December 12-13, 2013.
10 T. Sato, T. Nakamura, and H. Muraoka, "A Proposal for Structure of Hybrid Storage System to Improve Sequential Access Transfer Rate for Medium-small Sized Files," The 57th Technical Meeting of Information Systems, IEEJ (Totori University), November 28-29, 2013.
11 T. Imanishi and H. Muraoka, "High-speed Data Transfer Rate for High Density Magnetic Recording," 2013 Special Technical Meeting of Spinics (Iwate University, Morioka), October 17-18, 2013.
12 A. Ohori, "関数型言語SML#の開発 – 我が国のソフトウェア産業新生へのささやかな貢献を目指して –," The 30th Conference of Japan Society for Software Science and Technology (Hongo Campus, University of Tokyo), September 10-13, 2013.[Invited]
13 Y. Ueno and A. Ohori, "関数型言語からキーバリューストアへの型安全なアクセス機構," The 30th Conference of Japan Society for Software Science and Technology (Hongo Campus, University of Tokyo), September 10-13, 2013.
14 M. Endoh, Y. Mukade, A. Morihata, Y. Ueno, and A. Ohori, "変数参照関係を用いた関数型プログラムのコードリーディング支援," The 30th Conference of Japan Society for Software Science and Technology (Hongo Campus, University of Tokyo), September 10-13, 2013.
15 T. Nakamura, H. Muraoka, and S. Matsumoto, "Proposal for Risk-aware Data Replication Feature to Improve Tolerance for Wide-spread Disaster," Proceedings of 2013 Annual Conference of Electronics, Information and Systems, IEEJ (Kitami Institute of Technology), pp. 473-475 September 4-6, 2013.
16 C. Song, S. Munakata, M. Tetsuka, and H. Muraoka, "Medication Record Management System Tolerant to Large Scale Disaster Utilizing Highly-functional and Highly-available Information Storage Technology," Proceddings of 2013 Annual Conference of Electronics, Information and Systems, IEEJ (Kitami Institute of Technology), pp. 476-480, September 4-6, 2013.
17 H. Nobuhara, Y. Okamoto, M. Yamashita, Y. Nakamura, H. Osawa, and H Muraoka, " Evaluation of Shingled Magnetic Recorded Pattern by PRML System," The 37th Annual Conference on Magnetics in Japan (School of Engineering, Hokkaido University), September 3-6, 2013.
18 A. Hara and H. Muraoka, "Jitter Noise Dependence on Grain Structure in Recording Layer of Hard Disk Drive," 2013 Tohoku Section Joint Conference of Institutes of Electrical and Information Engineers, Japan (Aizu University), August 23-24, 2013.
19 T. Nakamura, S. Matsumoto, S. Munakata, C. Song, and H. Muraoka, "Research and Development on Disaster-resistant Storage System," [Invited] "Kitakyushuu" Summer United Workshops on Parallel, Distributed, and Cooperative Processing、July 31 - August 2, 2013. (SWoPP 2013). IEICE Technical Report, Vol. 113, No. 170, DC2013-17, pp. 7, August 2013.
20 S. Munakata, C. Song, M. Tezuka, and H. Muraoka, "Propose A High Availability Information System Infrastructure for Business Continuity and A Specification of The Fault-tolerance Proving Test," National Conference of JASMIN 2013 Spring (Mita Campus of Keio University), June 29-30, 2013.
21 S. Matsumoto, T. Nakamura, and H. Muraoka, "Proposal of Risk-aware Data Replication against Widespread Disasters," 55th Information Systems Conference of IEEJ (Hiroshima Institute of Technology), June 21-22, 2013.
22 Y. Nakamura, M. Yanagida, H. Osawa, Y. Okamoto, and H. Muraoka, "A Study on Suppression of Error Propagation in LDPC Coding and Interactive Decoding System," IEICE Technical Report, MR2013-3(2013-6), June 21, 2013.
23 S.J. Greaves, H. Muraoka, and Y. Kanai, "Impact of Thermal Gradients and Media Properties on Thermally Assisted Magnetic Reording," IEICE Technical Report Vol. 113, No. 102, ppxxxx, June 21, 2013.
24 T. Nakamura,"A Proposal of Risk-aware Replication to Improve Data Availability under Wide-spread Disasters," [Invited] Seminars:Institute of Mathematics for Industry (IMI): Application of the Mathematical Science Techniques to the Research of Storage Systems, April 17, 2013.
Review Papers
1 H. Muraoka, "Focus: Television Turnaround (Foreword)," J. ITEJ, Vol. 68, No. 3, March 2014.
2 H. Muraoka, "Prospect of Recent Technology Development of Hard Disk Drive," J. ITEJ, Vol. 68, No. 1, pp. 32-34, January 2014.
3 H. Muraoka, "Congratulations!: Dr. Iwasaki received the 2013 Japan's Order of Culture," J. ITEJ, Vol. 68, No. 1, pp. 2, January 2014.
4 H. Muraoka, Y. Tanaka, and H. Takano, "Prospect of Information Storage Technology," J. IEICE, Vol. 96, No. 10, pp. 768-770, October 2013.
5 S. Munakata, C. Song, and M. Tezuka, "Propose a Scenario to Verify Fault-tolerance of High Functionality and High Availability Information Storage Infrastructure on the Assumption of Large Scale Disasters," Hitachi Solutions East Japan Technical Report, No. 19, pp. 51-57, October 2013.
6 C. Song, S. Munakata, and M. Tezuka, "Proposal of Medication Record Management System Tolerant to Large Scale Disasters," Hitachi Solutions East Japan Technical Report, No. 19, pp. 44-50, October 2013.

2012

International Conferences
1 K. Miura, H. Katada, M. Oguma, H. Muraoka, and Y. Nishida, "Erase Band Noise and Generation Mechanism Due to an Adjacent Track," The 12th Joint MMM-Intermag Conference, January 14-18, 2013.
2 H. Nobuhara, Y. Okamaoto, Nakamura, K. Takada, M. Yamashita, H. Osawa, and H. Muraoka, "Influence of Writing ITI Effects in Shingled Magnetic Recording," The 12th Joint MMM-Intermag Conference, January 14-18, 2013.
3 S.J. Greaves, H. Muraoaka, and Y. Kanai, "High-frequency Recording with Shielded Planar Heads," The 12th Joint MMM-Intermag Conference, January 14-18, 2013.
4 M. Yamashita, Y. Okamoto, Y. Nakamura, H. Osawa, and H. Muraoka, "Performance Evaluation of Neuro ITI Canceller for Two-dimensional Magnetic Recording by Shingled Magnetic Recording," The 12th Joint MMM-Intermag Conference, January 14-18, 2013.
5 Y. Nakamura, J. Ueda, Y. Okamoto, H. Osawa, H. Aoi, and H. Muraoka, "Non-binary LDPC Coding System with Symbolic-by-symbolic Turbo Equalization for Shingled Magnetic Recording," The 12th Joint MMM-Intermag Conference, January 14-18, 2013.
6 S. Izumi, T. Suganuma, and N. Shiratori, "Green-oriented Network Management - Towards Symbiosis between Information Systems and Nature," The 2nd International Workshop on Symbiotic Computing and Multiagent Systems (SCMAS-2012), November 12-14, 2012.
7 S.J. Greaves, Y. Kanai, and H. Muraoka, "Heat Assisted Recording at 4Gbit/in2," APMRC2012 (Singapore), October 31- November 2, 2012 [Invited].
8 H.T. Wang, M.R. Elidrissi, K.S. Chan, K. Eason, B.X. Xu, S. Greaves, Y. Kanai, and H. Muraoka, "Optimal Design kf MAMR and HAMR by Applying Response Surface Methodology," APMRC2012 (Singapore), October 31- November 2, 2012.
9 T. Fukatani, K. Matsuzawa, H. Kamei, M. Agetsuma, and T. Nakamura, "Split-reclaim Method for Eliminating Metadata Cache De-allocation Latency in Enterprise File Systems," Storage System, Hard Disk and Solid State Technologies Summit in conjunction with the APMRC2012 (Singapore), November 1-2, 2012.
10 S. Izumi, K. Matsumoto, T. Sato, N. Nakamura, T. Suganuma, and N. Shiratori, "A Proposal of Green-oriented Management Information Base (G-MIB) and Its Development," The 1st IEEE Global Conference on Consumer Electronics 2012 (IEEE GCCE2012), October 2-5, 2012.
11 R. Terashima, S.J. Greaves, H. Aoi, and H. Muraoka, "Fitting Major and Minor Hysteresis Loops Using Micromagnetic Simulation," The 2nd International Conference of AUMS, (ICAUMS 2012), October 2-5, 2012.
12 H. Tamura, Y. Kanai, K. Yoshida, K. Yamakawa, S.J. Greaves, and H. Muraoaka, "Planar Head Field Responses to High-frequency Write Current on Shield Structure," The 2nd International Conference of AUMS, (ICAUMS 2012), October 2-5, 2012.
13 A. Tanabe, Y. Kanai, K. Yoshida, S.J. Greaves, and H. Muraoka, "Micromagnetic Analysis of Magnetic Noise in DFL Read Head," The 2nd International Conference of AUMS, (ICAUMS 2012), October 2-5, 2012.
15 H. Muraoka, "Required Barrier Energy for Thermal Stability in Bit Patterned Media," The 2nd International Conference of AUMS, (ICAUMS 2012), October 2-5, 2012.
16 S.J. Greaves, H. Muraoaka, and Y. Kanai, "High Frequency Recording with Shielded Planar Heads," The 2nd International Conference of AUMS, (ICAUMS 2012), October 2-5, 2012.
17 Y. Maruko, K. Miura, and H. Muraoka, "Study of Simultaneous Readback of Two Shingled Tracks," The 2nd International Conference of AUMS, (ICAUMS 2012), October 2-5, 2012.
18 M. Matsuura, K. Miura, and H. Muraoka, "Resolution of Shielded MR Head for Bit Patterned Media," The 2nd International Conference of AUMS, (ICAUMS 2012), October 2-5, 2012.
Domestic Conferences
1 S. Izumi, N. Nakamura, T. Inaba, T. Suganuma, and N. Shiratori, "A Proposal of Green-oriented Disaster-resistant Management Information Base," Proc. of The 2013 IEICE General Conference (Gifu University), March 19-22, 2013.
2 D. Imanishi and H. Muraoka, "HDDの高転送レート化のための記録電流立ち上がりと再生アンプ帯域," Proc. of The 2013 IEICE General Conference (Gifu University), March 19-22, 2013.
3 N. Yamamoto and H. Muraoka,"Gluster FS による分散ストレージシステムの構築," Proc. of The 2013 IEICE General Conference (Gifu University), March 19-22, 2013.
4 T. Sato and H. Muraoka, "ストレージ装置のデータ転送速度の測定," Proc. of The 2013 IEICE General Conference (Gifu University), March 19-22, 2013.
5 H. Nobuhara, Y. Okamoto, Y. Nakamura, M. Yamashita, H. Osawa, and H. Muraoka, "シングル磁気記録における記録系列に依存した記録ITIおよび再生ITIの影響に関する一検討," Proc. of The 2013 IEICE General Conference (Gifu University), March 19-22, 2013.
6 M. Yamashita, Y. Okamoto, Y. Nakamura, H. Osawa, S.J. Greaves, and H. Muraoka, "二次元磁気記録のための Stoner-Wohlfarth 反転機構に基づく記録過程のモデル化とニューロITIキャンセラに関する一検討," Proc. of The 2013 IEICE General Conference (Gifu University), March 19-22, 2013.
7 T. Nozawa, Y. Hayashi, T. Abe, and T. Suganuma, "ソフトウェア定義型ネットワークに基づく複数接続回線の効果的な併用手法," Proc. of The 75th National Convention of IPSJ (Tohoku University), March 6-8, 2013.
8 K. Kurihara, S. Izumi, and T. Abe, and T. Suganuma, "ネットワークシステムにおける電力の有効利用のための自律的制御手法," Proc. of The 75th National Convention of IPSJ (Tohoku University), March 6-8, 2013.
9 T. Fujii, Y. Ueno, A. Morihata, and A. Ohori, "SML#のデータベース連携機能を活用したウェブアプリケーション構築技術," Proc. of The 15th JSSST Workshop on Programming and Programming Languages (PPL2013), March 4-6, 2013.
10 H. Saito, Y. Ueno, A. Morihata, and A. Ohori, "SML#のSQL統合へのgroup byの導入," Proc. of The 15th JSSST Workshop on Programming and Programming Languages (PPL2013), March 4-6, 2013.
11 T. Nozawa, Y. Hayashi, T. Abe, and T. Suganuma, "SDNを用いた複数アクセス回線の効果的な利用について," ITRC Seminar/INI Sendai 2012 Autum, December 25, 2012.
12 H. Muraoka、"Required Barrier Energy for Write-error Rate Caused by Thermal Fluctuation in Bit Pattern Media," ITE Technical Report Vol. 36, No. 55, MMS2012-23 (December 2012).
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