Masaki Samejima

Masaki Samejima

Solution Engineer

Publications

Journal Paper

  1. H. Santo, M. Samejima, Y. Sugano, B. Shi, Y. Matsushita, “Deep photometric stereo networks for determining surface normal and reflectances”, IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol.44, No,1, pp.114-128 (2020)
  2. J. Korpela, H. Suzuki, S. Matsumoto, Y Mizutani, M. Samejima, T. Maekawa, J. Nakai, K. Yoda, “Machine learning enables improved runtime and precision for bio-loggers on seabirds”, Communications biology, Vol.3, No.1, p.633 (2020)
  3. H. Santo, M. Samejima, Y. Matsushita, “Numerical shape-from-shading revisited”, IPSJ Transactions on Computer Vision and Applications,Vol.10, pp. 1-12 (2018)
  4. 佐藤 直樹, 鮫島 正樹, “情報セキュリティ監査支援のためのベイズ推定を用いたリスク用語提示方式”, 電気学会C部門論文誌、Vol.138, No.7, pp.870-876 (2018)
    (Translated Paper) N. Satoh, M. Samejima, “Risk words suggestion for information security audit by Bayesian inference”, Electronics and Communications in Japan, Vol.102, No.1, pp.42-48 (2019.1)
  5. H.M. Tuan, M. Samejima, N. Komoda, “Power and Performance estimation for Fine-grained Server Power Capping via Controlling Heterogeneous Applications”, ACM Trans. on Management Information Systems (TMIS), Vol.8, No.4, pp.1-19 (2017.8)
  6. M. Otsuki, M. Akiyoshi, M. Samejima, “Identification Method of Improvements in User Operations on Project Manager Skill-Up Simulator”, IEEE Access, Vol.5, pp.5811-5818 (2017.4)
  7. M. Mori, R. Kobayashi, M. Samejima, N. Komoda, “Risk-Cost Optimization for Procurement Planning in Multi-tier Supply Chain by Pareto Local Search with Relaxed Acceptance Criterion”, European Journal of Operational Research, Vol.261, No.1, pp.88-96 (2017)
  8. M. Samejima, D. Hisakane, N. Komoda, “Automatic annotation method on learners’ opinions in case method discussion”, Interactive Technology and Smart Education, Vol.12, No.2, pp.90-99 (2015.6)
  9. 久兼大知, 大月みなみ, 鮫島正樹, “学習者回答判別に対する信頼度分類を用いた事例研修のための助言ルール選択方式”, 電気学会C部門論文誌, Vol.135, No.6, 594-601 (2015.6)
  10. M. Samejima, R. Sasaki, “Chance-constrained Programming Method of IT Risk Countermeasures for Social Consensus Making”, IEEE Trans. on Systems, Man, and Cybernetics: Systems, Vol.45, No.5, pp.725-733 (2015.5)
  11. M. Mori, R. Kobayashi, M. Samejima, N. Komoda, “Cost-benefit Analysis of Decentralized Ordering on Multi-tier Supply Chain by Risk Simulator”, Studies in Informatics and Control, Vol.23, No.3, pp.229-239 (2014.9)
  12. M. Samejima, H. Ohno, M. Akiyoshi, N. Komoda, M. Yoshino, “An Anomaly Detection Method on Web-based System by Trend Analysis with Autoregressive Model,” 電気学会C部門論文誌, Vol.134, No.6, pp.814-820 (2014.6)
  13. M. Samejima, Y. Imanara, “An awareness system of risk control action by constrained clustering on project reports”, IADIS Int. Journal on Computer Science and Information Systems, Vol.8, No.1, pp.130-141 (2014.2)
  14. M. Samejima, Y. Saito, M. Akiyoshi, H. Oka, “A Predictive Search Method for FAQ-based Question Answering System”, Int. Journal of Artificial Intelligence, pp.103-114 (2013.10)
  15. 津田祐輝, 鮫島正樹, 秋吉政徳, 薦田憲久, 吉野松樹, “重回帰分析のダミー変数選択によるWebシステムの業務別異常検知方式”, 電気学会C部門論文誌，Vol.133, No.7, pp.1410-1416 (2013.7)
    (translated paper) Y. Tsuda, M. Samejima, M. Akiyoshi, N. Komoda, M. Yoshino, “An Anomaly Detection Method for Individual Services on a Web-Based System by Selection of Dummy Variables in Multiple Regression”, Electronics and Communications in Japan, Vol.97, Vol.2, pp.9-16 (2014.2)
  16. 今奈良祐紀, 中島大輔, 鮫島正樹, 秋吉政徳, 森久博, “リスク表現の自動獲得によるプロジェクト計画書からのリスク検出方式”, 電気学会C部門論文誌, Vol.133, No.4, pp.899-905 (2013.4)
  17. 今奈良祐紀, 鮫島正樹, 秋吉政徳, “依存関係による重み付け類似度を用いたバグスレッド階層の再構成方式”, 電気学会C部門論文誌, Vol.133, No.4, pp.883-890 (2013.4)
  18. M. Samejima, M. Akiyoshi, “An Interpolation Method of Uncertain Landmarks for Improving Accuracy of Simulation on Qualitative and Quantitative Hybrid Model”, IEEJ Trans. on Electrical and Electronic Engineering, Vol.8, No.1, pp.56-62 (2013.1)
  19. 中島大輔，鮫島正樹，秋吉政徳，佐々木良一, “リスク対策案組合せ合意のための相互作用分析による調整パラメータ提示方式”, 電気学会C部門論文誌, Vol.132, No.6, pp1041-1049 (2012.6) .
  20. 作道勇樹, 秋吉政徳, 鮫島正樹, 岡宏憲, “問い合わせ事例からの特徴単語群自動生成によるFAQ対応メール検出方式”, 電気学会C部門論文誌, Vol.132, No.4, pp.609-614 (2012.4)
    (translated paper) Y. Sakumichi, M. Akiyoshi, M. Samejima, H. Oka, “Detection of FAQs Matching Inquiry E-mails by Automatic Generation of Characteristic Word Groups from Past Inquiry E-mails”, Electronics and Communications in Japan, Vol.97, No.3, pp.38-44 (2014.3)
  21. 濱田啓一，秋吉政徳, 鮫島正樹，大礒洋明, “分類サンプル文書から作成したカテゴリ辞書を用いたアンケート分類方式”, 電気学会C部門論文誌, Vol.132, No.2, pp.269-274 (2012.2)
  22. 今奈良祐紀, 板倉宏太, 鮫島正樹, 秋吉政徳, “類似度のピーク特性を用いた新規バグスレッドに対する関連スレッド群特定方式”, 電気学会C部門論文誌,Vol.132, No.2, pp.231-237 (2012.2)
  23. 鮫島正樹，森田善洸，秋吉政徳, “定性・定量融合モデルにおける影響伝播の双方向合成による目標達成シナリオ高速作成方式”, 電気学会C部門論文誌, Vol.132, No.2, pp.214-222 (2012.2)
    (translated paper) M. Samejima, Y. Morita, M. Akiyoshi, “High-speed generation of goal-oriented scenarios using bidirectional combination of effect propagation on a qualitative and quantitative hybrid model”, Electronics and Communications in Japan, Vol.95, No.12, pp.10-20 (2012.12)
  24. 今奈良祐紀, 瓦谷佳祐, 鮫島正樹, 秋吉政徳, 佐々木良一, “分枝限定法における近似限定操作を用いたリスク対策案組合せ高速立案方式”, 電気学会C部門論文誌, Vol.131, No.12, pp.2204-2210 (2011.12)
  25. 津田祐輝, 秋吉政徳, 鮫島正樹, 岡宏憲, “FAQ作成支援のための分類用閾値の自動調節機構を組み入れた問い合わせメール分類方式”, 電気学会C部門論文誌, Vol.131, No.11, pp.1925-1932 (2011.11)
  26. 佐々木良一, 杉本尚子, 矢島敬士, 増田英孝, 吉浦裕, 鮫島正樹, 舩橋誠壽, “ITリスク対策に関する社会的合意形成支援システムSocial-MRCの開発構想”, 情報処理学会論文誌, Vol.52, No.9, pp.2562-2574 (2011.9)
  27. R. Sasaki, S. Sugimoto, H. Yajima, H. Masuda, H. Yoshiura, M. Samejima, “Proposal for a Social-MRC: Social Consensus Formation Support System Concerning IT Risk Countermeasures”, Int. Journal of Information Processing and Management, Vol.2, No.2, pp.48-58 (2011.4)
  28. 内田吉宣, 鮫島正樹, 藤波努, 星幸雄, 初田賢司, 建部清美, “プロジェクトマネジメントにおける経験知抽出法”, プロジェクトマネジメント学会誌, Vol.12, No.4, pp.27-32 (2010.8)
  29. 鮫島正樹, 根来啓輔, 光國光七郎, 秋吉政徳, “定性・定量融合シミュレーションにおける寄与度の確率分布特性を用いた事業リスク要因発見方式”, 電気学会C部門論文誌，Vol.130, No.4, pp.589-597 (2010.4)
    (Translated Paper) M. Samejima, K. Negoro, K. Mitsukuni, M. Akiyoshi, “A method of finding business risk factors using the characteristics of probability distributions of effect ratios on qualitative and quantitative hybrid simulation”, Electronics and Communications in Japan, Vol.95, No.3, pp.55-65 (2012.3)
  30. 鮫島正樹, 秋吉政徳, 光國光七郎, 薦田憲久, “定性・定量融合モデルにおけるモンテカルロシミュレーションを用いた事業シナリオ評価方式”, 電気学会誌C部門論文誌, Vol.128, No.4, pp.656-664 (2008.4)
    (Translated Paper) M. Samejima, M. Akiyoshi, K. Mitsukuni, N. Komoda, “Business scenario evaluation using Monte Carlo simulation on qualitative and quantitative hybrid model”, Electrical Engineering in Japan, Vol.170, No.3, pp.9-18 (2010.2)
  31. 鮫島正樹, 清水穣, 秋吉政徳, 薦田憲久, “言い回し表現に基づく係り受け解析によるプレスリリースからの製品特徴キーワード抽出方式”, 電気学会誌C部門論文誌, Vol.127, No.9, pp.1436-1441 (2007.9)
  32. 鮫島正樹, 玄麻由, 中崎剛史, 秋吉政徳, 薦田憲久, “事業キーワードに関係する数値と時期記述の共起条件を用いたプレスリリースからの時系列数値データ抽出方式”, 電気学会誌C部門論文誌, Vol.127, No.6, pp.957-963 (2007.6)
    (Translated Paper) M. Samejima, M. Gen, T. Nakazaki, M. Akiyoshi, N. Komoda, “An extraction method of time-series numerical data from press releases by using co-occurrence conditions of numbers and time stamps related to target business keywords”, Electronics and Communications in Japan, Vol.93, No.3, pp.61-69 (2010.3)

International Conference Paper

  1. H. Santo, M. Waechter, M. Samejima, Y. Sugano, Y. Matsushita, “Light structure from pin motion: Simple and accurate point light calibration for physics-based modeling”, The European Conference on Computer Vision (ECCV), pp.3-18 (2018)
  2. H. Santo, M. Samejima, Y. Sugano, B. Shi, Y. Matsushita, “Deep photometric stereo network”, International Workshop on Physics Based Vision meets Deep Learning (PBDL) in Conjunction with IEEE International Conference on Computer Vision (ICCV), Venice, Italy (2017) [paper] [code]
  3. R. Kuga, A. Kanezaki, M. Samejima, Y. Sugano, Y. Matsushita, “Multi-task Learning Using Multi-modal Encoder-Decoder Networks with Shared Skip Connections”, IEEE/ISPRS 4th Joint Workshop on Multi-Sensor Fusion for Dynamic Scene Understanding in conjunction with IEEE International Conference on Computer Vision (ICCV), Venice, Italy (2017)
  4. M. Samejima, Y. Matsushita, “Fast General Norm Approximation via Iteratively Reweighted Least Squares”, in Proc. of ACCV 2016 International Workshops on e-Heritage, pp.207-221 (2016)
  5. M. Samejima, “Simulation-based Process of Consensus Building on Procurement Plan under Disruption Risk in Multi-tier Supply Chain”, 2016 5th IIAI International Congress on Advanced Applied Informatics, pp. 904-907 (2016.7.10-14, Kumamoto)
  6. M. Samejima, M. Akiyoshi, “A Knowledge Extraction System from Manager’s Operation Sequences in System Development Project”, 2016 5th IIAI International Congress on Advanced Applied Informatics, pp. 1084-1087 (2016.7.10-14, Kumamoto)
  7. H.T. Minh, M. Samejima, “Modeling Green-aware Job Scheduling Problem in Decentralized Data Centers”, 2016 5th IIAI International Congress on Advanced Applied Informatics, pp. 1093-1096 (2016.7.10-14, Kumamoto)
  8. H.T. Minh, M. Samejima, “An Evaluation of Job Scheduling based on Distributed Energy Generation in Decentralized Data Centers”, in Proc. of 2015 IEEE Int. Conf. on Systems, Man & Cybernetics (SMC 2015), pp.1172-1177 (2015.10.9-12, Hong Kong)
  9. M. Samejima, “A Fault Localization Framework for Dynamically Provisioned Virtual Machines”, in Proc. of 2015 IEEE Int. Conf. on Systems, Man & Cybernetics (SMC 2015), pp.1184-1188 (2015.10.9-12, Hong Kong)
  10. Y. Fukuzawa, M. Samejima, H. Ujita, “Survey on Risk Management Based on Information Security Psychology”, in Proc. of 17th Int. Conf. on Human-Computer Interaction (HCI International 2015) , pp.396-408 (2015.8.2-7, Los Angeles, CA, USA)
  11. M. Samejima, D. Hisakane, N. Komoda, “Automatic Annotation on Opinions in Case Method Discussion by Support Vector Machine”, in Proc. of 8th IADIS Int. Conf. on Information Systems 2015 (IS 2015), pp.129-136 (2015.3.14-16, Madeira, Portugal)
  12. M. Mori, R. Kobayashi, M. Samejima, N. Komoda, “Risk-Cost Optimization Method of Procurement Planning in Multi-tier Supply Chain”, in Proc. of the Third Asian Conf. on Information Systems (ACIS 2014), pp.48-55 (2014.12.1-3, Nha Trang, Viet Nam)
  13. H.T. Minh, M. Samejima, N. Komoda, “A Restraint Usage Estimation Method of Server Resource for Peak Shaving in Data Center by Piecewise Linear Regression”, in Proc. of the Third Asian Conf. on Information Systems (ACIS 2014), pp.41-47 (2014.12.1-3, Nha Trang, Viet Nam)
  14. R. Kobayashi, K. Sato, M. Samejima, N. Komoda, “A Prediction-based Scheduling Method for Dynamic Placement of Virtual Machines in Data Center”, in Proc. of 13th Int. Conf. on Applications of Computer Engineering (ACE’14), pp.19-24 (2014.10.30-11.1, Lisbon, Portugal)
  15. D. Hisakane, M. Otsuki, M. Samejima, N. Komoda, “A Tutoring Rule Selection Method for Case-based e-Learning by Multi-Class Support Vector Machine”, in Proc. of 6th Int. Conf. on Knowledge Management & Information Sharing (KMIS 2014), pp.126-132 (2014.10.21-24, Rome, Italy)
  16. D. Hisakane, M. Samejima, “A Visualization System of Discussion Structure in Case Method Learning”, in Proc. of 6th Int. Conf. on Knowledge Management & Information Sharing (KMIS 2014), pp.119-125 (2014.10.21-24, Rome, Italy)
  17. M. Mori, R. Kobayashi, M. Samejima, N. Komoda, “Analysis of Risk Mitigation by Decentralized Ordering in Multi-tier Supply Chain”, in Proc. of 2014 IEEE Int. Symposium on Industrial Electronics (ISIE 2014), pp.1093-1098 (2014.6.1-4, Istanbul, Turkey)
  18. M. Samejima, H.T. Minh, N. Komoda, “Flexible Peak Shaving in Data Center by Suppression of Application Resource Usage”, in Proc. of 16th Int. Conf. on Enterprise Information Systems (ICEIS2014), pp.355-360 (2014.4.27-30, Lisbon, Portugal)
  19. K. Sato, M. Samejima, R. Sasaki, “Chance-constrained Programming Method by Constraints Aggregation for Social Consensus Making on IT Risk Countermeasure”, in Proc. of 2013 IEEE Int. Conf. on Systems, Man & Cybernetics (SMC 2013), pp.4789-4793 (2013.10.13-16, Manchester, UK)
  20. M. Otsuki, M. Samejima, “An Intelligent Tutoring System for Case-Based e-Learning on Project Management”, in Proc. of 2013 IEEE Int. Conf. on Systems, Man & Cybernetics (SMC 2013), pp.3471-3476 (2013.10.13-16, Manchester, UK)
  21. M. Samejima, K. Hamada, “A Change Detection Method of Arguing Points by Factor Analysis for Case Method Support”, in Proc. of 2013 IEEE Int. Conf. on Systems, Man & Cybernetics (SMC 2013), pp.2849-2853 (2013.10.13-16, Manchester, UK)
  22. M. Samejima, “Case-Based Support System for Collaborative Tourism Planning”, in Proc. of 4th Int. Conf. on E-Service and Knowledge Management (ESKM 2013), pp.21-25 (2013.8.31-9.4, Matsue, Japan)
  23. R. Kobayashi, M. Mori, M. Samejima, N. Komoda, “An interactive evaluation method of decentralized procurement plan by multi-objective genetic algorithm”, in Proc. of 10th Int. Conf. on e-Business (ICE-B 2013), pp.361-368 (2013.7.29-31, Reykjavik, Iceland)
  24. K. Sato, M. Samejima, N. Komoda, “Dynamic optimization of virtual machine placement by resource usage prediction”, in Proc. of 11th IEEE Int. Conf. on Industrial Informatics (INDIN 2013), pp.86-91 (2013.7.29-31, Bochum, Germany)
  25. M. Mori, R. Kobayashi, M. Samejima, N. Komoda, “An evaluation method of reduced procurement risks by decentralized ordering in supply chain”, in Proc. of 11th IEEE Int. Conf. on Industrial Informatics (INDIN 2013), pp.80-85 (2013.7.29-31, Bochum, Germany)
  26. T. Hirashima, M. Samejima, “A Hybrid Risk Evaluation Method of Information System Development Project by Quantification Method II and Co-occurrence Words Matching”, in Proc. of IADIS Int. Conf. Information Systems Post-implementation and Change Management 2013 (in 2013 MCCSIS), pp.47-51 (2013.7.22-24, Prague, Czech Republic)
  27. M. Samejima, Y. Imanara, “An extraction method of risk control action from project reports by constrained clustering”, in Proc. of IADIS Int. Conf. Information Systems Post-implementation and Change Management 2013 (in 2013 MCCSIS), pp.11-18 (2013.7.22-24, Prague, Czech Republic)
  28. H. Oono, M. Samejima, M. Akiyoshi, N. Komoda, “An anomaly detection method on Web-based system by certification of structural change on autoregressive model”, in Proc. of 1st Asian Conf. on Information Systems (ACIS 2012), pp.86-90 (2012.12.6-8, Siem Reap, Cambodia)
  29. M. Samejima, R. Sasaki, “Approximation Method for Chance-Constrained Programming of Social Consensus Formation Concerning IT Risk Countermeasure”, in Proc. of 2012 IEEE Int. Conf. on Systems, Man & Cybernetics (SMC 2012), pp.2751-2755 (2012.10.14-17, Seoul, Korea)
  30. Y. Tsuda, N.T. Nguyen, M. Samejima, M. Akiyoshi, N. Komoda, M. Yoshino, “An Anomaly Detection Method for Individual Service on Web-based System by Selection of Dummy Variables in Multiple Regression”, in Proc. of 2012 IEEE Int. Conf. on Systems, Man & Cybernetics (SMC 2012), pp.1873-1877 (2012.10.14-17, Seoul, Korea)
  31. M. Samejima, H. Yajima, “IT Risk Management Framework for Business Continuity by Change Analysis of Information System”, in Proc. of 2012 IEEE Int. Conf. on Systems, Man & Cybernetics (SMC 2012), pp.1670-1674 (2012.10.14-17, Seoul, Korea)
  32. R. Miyaji, D. Nakajima, M. Samejima, M. Akiyoshi, H. Morihisa, “An Identification Method of Lacking Information by Clue Phrases in Plan Document for Project Risk Management”, in Proc. of 2012 IEEE Int. Conf. on Systems, Man & Cybernetics (SMC 2012), pp.1240-1244 (2012.10.14-17, Seoul, Korea)
  33. Y. Imanara, D. Nakajima, M. Samejima, M. Akiyoshi, H. Morihisa, “An Identification Method of Risks in Project Plan Document by Automatic Acquisition of Risk Expression”, in Proc. of 2012 IEEE Int. Conf. on Systems, Man & Cybernetics (SMC 2012), pp.1235-1239 (2012.10.14-17, Seoul, Korea)
  34. M. Akiyoshi, M. Samejima, N. Komoda, “A Project Manager Skill-up Simulator Towards Problem Solving-based learning”, in Proc. of 4th Int. Conf. on Knowledge Management & Information Sharing (KMIS 2012), pp.190-195 (2012.10.4-7, Barcelona, Spain)
  35. M. Otsuki, M. Akiyoshi, M. Samejima, “An Improvement Method of User Operations using Decision Tree on Project Manager Skill-up Simulator”, in Proc. of 4th Int. Conf. on Knowledge Management & Information Sharing (KMIS 2012), pp.158-163 (2012.10.4-7, Barcelona, Spain)
  36. K. Hamada, M. Akiyoshi, M. Samejima, “A Generation Method of Reference Operation using Reinforcement Learning on Project Manager Skill-up Simulator”, in Proc. of 4th Int. Conf. on Knowledge Management & Information Sharing (KMIS 2012), pp.15-20 (2012.10.4-7, Barcelona, Spain)
  37. K. Sato, M. Samejima, M. Akiyoshi, N. Komoda, “A Scheduling Method of Air Conditioner Operation using Workers Daily Action Plan towards Energy Saving and Comfort at Office”, in Proc. of 2012 Int. Conf. on Emerging Technology & Factory Automation (ETFA 2012), pp.(2012.9.17-21, Krakow, Poland)
  38. Y. Tsuda, M. Akiyoshi, M. Samejima, H. Oka, “A classification method of inquiry E-mails for describing FAQ with automatic setting mechanism of Judgment threshold values”, in Proc. of 2012 Int. Conf. on Enterprise Information Systems (ICEIS 2012), Vol.3, pp.199-205 (2012.6.28-7.1, Wrolaw, Poland)
  39. K. Hamada, M. Akiyoshi, M. Samejima, H. Oiso, “A classification method of open-ended questionnaires using category-based dictionary from sampled documents”, in Proc. of 2012 Int. Conf. on Enterprise Information Systems (ICEIS 2012), Vol.3, pp.193-198 (2012.6.28-7.1, Wrolaw, Poland)
  40. M. Samejima, Y. Saito, M. Akiyoshi, H. Oka, “A Predictive Search Method of FAQ Corresponding to a User’s Incomplete Inquiry by Statistical Model of Important Words Co-occurrence”, in Proc. of 5th Int. Symposium on Distributed Computing and Artificial Intelligence (DCAI 2012), pp.9-16 (2012.3.28-30, Salamanca, Spain)
  41. D. Nakajima, Y. Mitsui, M. Samejima, M. Akiyoshi, “An Information Extraction Method from Different Structural Web Sites by Word Distances Between a User Instantiated Label and Similar Entity”, in Proc. of 11th IEEE ICDM Workshop on Data Mining for Service (DMS 2011), pp.1177-1182 (2011.12.11, Vancouver, Canada)
  42. M. Samejima, “Risk Management Technologies in Information Systems”, in Proc. of 2nd Int. Symposium on Applied Informatics, pp.13-14 (2011.8.9, Kaminoyama, Yamagata, Japan) (Invited Speech)
  43. M. Samejima, Y. Morita, M. Akiyoshi, “A high-speed generation of goal-oriented scenarios using combination of bidirectional propagation on qualitative and quantitative hybrid model”, in Proc. of the 9th IEEE Int. Conf. on Industrial Informatics (INDIN 2011), pp.57-62 (2011.7.26-29, Lisbon, Portugal)
  44. Y. Sakumichi, M. Akiyoshi, M. Samejima, H. Oka, “A Detection Method of FAQ Matching Inquiry E-mails by Automatic Generation of Characteristic Word Groups on Past Inquiry E-mails”, in Proc. of the 9th IEEE Int. Conf. on Industrial Informatics (INDIN 2011), pp.53-56 (2011.7.26-29, Lisbon, Portugal)
  45. K. Iwai, M. Akiyoshi, M. Samejima, H. Morihisa, “A situation-dependent scenario generation framework for project management skill-up simulator”, in Proc. of 6th Int. Conf. on Software and Data Technologies (ICSOFT2011), pp.408-412 (2011.7.18-21, Seville, Spain)
  46. Y. Imanara, K. Itakura, M. Samejima, M. Akiyoshi, “An identification method of related group threads for a recent bug thread by peak characteristics of similarities”, in Proc. of 6th Int. Conf. on Software and Data Technologies (ICSOFT2011), pp.179-184 (2011.7.18-21, Seville, Spain)
  47. M. Akiyoshi, J.J.C.K. Li, M. Samejima, N. Komoda, “Concept-based clustering for open-sourced software(OSS) development forum threads”, in Proc. of the 7th Int. Conf. on Web Information Systems and Technologies (WEBIST 2011), pp.690-695 (2011.5.6-9, Noordwijkerhout, The Netherlands)
  48. Y. Imanara, K. Itakura, M. Samejima, M. Akiyoshi, “A detection system of dependent relationships among bug report threads”, in Proc. of the 4th Japan-China Joint Symposium on Information Systems (JCIS2011), pp.65-68 (2011.4.14-17, Nanchang, China)
  49. D. Nakajima, K. Kawaratani, M. Samejima, M. Akiyoshi, “High-speed Solver of Combinatorial Problem of Risk-reducing Plans by Approximately Bounding on Branch and Bound”, in Proc. of the 1st Japan-Cambodia Joint Symposium on Information Systems and Communication Technology (JCAICT2011), pp.39-43 (2011.1.6-8, Phnom Penh, Cambodia)
  50. K. Itakura, M. Samejima, M. Akiyoshi, R. Sasaki, “A Consensus Support System for Deciding a Combination of Risk-reducing Plans under Uncertain Parameters”, in Proc. of 2010 IEEE Int. Conf. on Systems, Man, and Cybernetics (SMC 2010), pp.2083-2087 (2010.10.10-13, Istanbul, Turky)
  51. M. Samejima, M. Akiyoshi, N. Komoda, R. Sasaki, “Social Consensus Making Support System by Qualitative and Quantitative Hybrid Simulation”, in Proc. of 2010 IEEE Int. Conf. on Systems, Man, and Cybernetics (SMC 2010), pp.896-901 (2010.10.10-13, Istanbul, Turky)
  52. K. Kawaratani, K. Itakura, M. Samejima, M. Akiyoshi, “High-Speed Decision Method of Combination of Risk-reducing Plans using Branch and Bound”, in Proc. of the 8th IEEE Int. Conf. on Industrial Informatics (INDIN 2010), pp.379-383 (2010.7.13-16, Osaka, Japan)
  53. D. Nakajima, M. Samejima, M. Akiyoshi, N. Komoda, “A Prioritization Method of Adjusting Parameters for Making Consensus on Combination of Risk-Reducing Plans by Mutual Effect Analysis”, in Proc. of the 8th IEEE Int. Conf. on Industrial Informatics (INDIN 2010), pp.326-330 (2010.7.13-16, Osaka, Japan)
  54. M. Samejima, M. Akiyoshi, N. Komoda, “An Accuracy Improvement Method of Simulation on Qualitative and Quantitative Hybrid Model with Uncertain Landmarks”, in Proc. of the 3rd Japan-China Joint Symposium on Information Systems, pp.11-16 (2010.4.22-24, Beijing, China)
  55. M. Samejima, G. Shida, M. Akiyoshi, N. Komoda, “A Search Method of Inputs to Target Outputs on Qualitative and Quantitative Hybrid Simulation using Neighbor Selection by Sensitivity Analysis”, in Proc. of the 7th Int. Symposium on Intelligent Systems and Informatics (SISY 2009), pp.209-214 (2009.9.25-26, Subotica, Serbia)
  56. M. Samejima, G. Shida, M. Akiyoshi, N. Komoda, “User Interface for Sensitivity Analysis on Qualitative and Quantitative Hybrid Simulation”, in Proc. of the 2009 Int. Conf. on Multimedia, Information Technology and its Applications (MITA2009), pp.124-127 (2009.8.19-21, Sakai, Japan)
  57. Y. Uchida, M. Samejima, Y. Hoshi, K. Hatsuda, K. Tatebe, “An Approach of Knowledge Sharing via Empirical Knowledge in Project Management”, in Proc. of Int. Conf. on Project Management (ProMAC 2008), pp.1448-1453 (2008.9.15-18, Anchorage, AK, USA)
  58. M. Akiyoshi, M. Samejima, “Hybrid Simulation with Qualitative and Quantitative Integrated Model under Uncertain Business Environment”, in Abstracts of IFIP/IIASA/GAMM Workshop on Coping with Uncertainty (CwU), p.1 (2007.12.10-12, Laxenburg, Austria)
  59. M. Samejima, M. Akiyoshi, K. Mitsukuni, N. Komoda, “Business scenario design support by qualitative-quantitative hybrid simulation”, in Proc. of The IEEE Int. Conf. on e-Technology, e-Commerce, and e-Services (EEE’07) and the IEEE Int. Conf. on Electronic Commerce (CEC’07), pp.401-408 (2007.7.23-25, Tokyo, Japan)
  60. M. Samejima, K. Negoro, M. Akiyoshi, N. Komoda, K. Mitsukuni, “Hybrid Simulation on Qualitative and Quantitative Integrated Model using Monte Carlo Method”, 2007 Summer Computer Simulation Conf. (SCSC 2007), in CD-Rom (2007.7.15-18, San Diego, CA, USA)
  61. M. Samejima, Y. Shimizu, M. Akiyoshi, N. Komoda, “SWOT Analysis Support Tool for Verification of Business strategy”, in Proc. of IEEE Int. Conf. on Computational Cybernetics.(IEEE-ICCC2006), pp.167-170 (2006.8.20-22, Tallin, Estonia)
  62. M. Samejima, S. Tamura, Y. Ikkai, N. Komoda, H. Goshima, T. Mori, “A scheduling method in multi-item production adjusting to urgent orders based on job modifiability”, in Proc. of 10th IEEE Int. Conf. on Emerging Technologies and Factory Automation (ETFA’2005), Vol.I, pp.1107-1112 (2005.9.19-22, Catania, Italy)