岩田具治, Tomoharu Iwata

Japanese | English

Tomoharu Iwata
NTTコミュニケーション科学基礎研究所 上田特別研究室 主任研究員(特別研究員)
mail: iwata.tomoharu at lab.ntt.co.jp

略歴

2001年 慶應義塾大学環境情報学部卒業
2003年 東京大学大学院総合文化研究科修士課程修了
2003年 日本電信電話株式会社入社
2008年 京都大学大学院情報学研究科博士課程修了 博士(情報学)
2012-2013年 ケンブリッジ大学客員研究員

表彰

  1. 人工知能学会 研究会優秀賞,2016
  2. 長尾真記念特別賞, 2014
  3. WebDB Forum 2012 サイバーエージェント賞, 2012
  4. 言語処理学会 第17回年次大会 優秀発表賞, 2011
  5. ライフインテリジェンスとオフィス情報システム 研究賞, 2011
  6. WebDB Forum 2010 優秀論文賞, 2010
  7. IBIS2010 Honorable Mention, 2010
  8. KDD2010 Best Research Paper Award Honorable Mention, 2010
  9. 教育システム情報学会 全国大会 研究奨励賞, 2009
  10. 数理モデル化と問題解決研究会 プレゼンテーション賞, 2009
  11. 情報処理学会論文誌 論文賞, 2009
  12. FITヤングリサーチャー賞, 2007
  13. NTTコミュニケーション科学基礎研究所 奨励賞,2005
  14. 船井ベストペーパー賞, 2004
  15. (第8回全日本セパタクロー学生選手権大会優勝, 2000)
  16. (第6回日本学生セパタクロー選手権新人戦優勝, 2000)

論文

  1. Tomoharu Iwata, Hitoshi Shimizu, Futoshi Naya, Naonori Ueda,
    "Estimating People Flow from Spatio-temporal Population Data via Collective Graphical Mixture Models,"
    ACM Transactions on Spatial Algorithms and Systems, Volume 3 Issue 1, Article No. 2, May 2017

  2. Tomoharu Iwata, Katsuhiko Ishiguro,
    "Robust Unsupervised Cluster Matching for Network Data,"
    Data Mining and Knowledge Discovery, 2017

  3. 田中佑典, 倉島健, 藤原靖宏, 岩田具治, 澤田宏,
    社会的影響とメディア広告の影響を考慮した購買要因推定,
    情報処理学会論文誌, Vol.58, No.2, 580-593, Feb. 2017

  4. Tomoharu Iwata, Motonobu Kanagawa, Tsutomu Hirao, Kenji Fukumizu,
    "Unsupervised Group Matching with Application to Cross-lingual Topic Matching without Alignment Information,"
    Data Mining and Knowledge Discovery, Volume 31, Issue 2, Pages 350-370, March 2017

  5. Tomoharu Iwata, Tsutomu Hirao, Naonori Ueda,
    "Unsupervised Many-to-Many Object Matching via Probabilistic Latent Variable Models,"
    Information Processing & Management, Vol.52, No.4, 682-697, 2016

  6. Tomoharu Iwata, James Robert Lloyd, Zoubin Ghahramani,
    "Unsupervised Many-to-Many Object Matching for Relational Data,"
    IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol.38, No.3, 607-619, 2016
    [accepted version]

  7. 吉川 友也, 岩田 具治, 澤田 宏,
    "グループ推薦のための非線形行列分解,"
    人工知能学会論文誌, Vol.30, No.2, Mar. 2015 (速報論文)

  8. 吉川友也, 岩田具治, 澤田宏,
    "ソーシャルメディア上の協働: ソーシャルコーディングにおける成功するプロジェクトの要因分析,"
    日本データベース学会論文誌, Vol.12, No.3, Feb. 2014

  9. Akisato Kimura, Kevin Duh, Tsutomu Hirao, Katsuhiko Ishiguro, Tomoharu Iwata, Ching-man Au Yeung,
    "Creating stories from socially curated microblog messages,"
    IEICE Transactions on Information and Systems, Vol. E97-D, No. 6, pp.1557-1566, 2014

  10. 松原靖子, 櫻井保志, Christos Faloutsos, 岩田具治, 吉川正俊:
    ``大規模 Web クリックデータのためのイベント予測,"
    電子情報通信学会論文誌, Vol. J97-D, No. 4, pp. 822-834, 2014

  11. 吉川友也, 岩田具治, 澤田宏:
    "ユーザの潜在特徴を考慮したソーシャルネットワーク上の情報拡散モデル,"
    情報処理学会論文誌, データベース(TOD), Vol. 6, No. 5, 85-94, Dec. 2013

  12. Tomoharu Iwata, Takeshi Yamada, Naonori Ueda,
    "Modeling Noisy Annotated Data with Application to Social Annotation,"
    IEEE Transactions on Knowledge and Data Engineering, 25 (7), 1601-1613, 2013

  13. Takeshi Kurashima, Tomoharu Iwata, Go Irie, Ko Fujimura,
    "Travel Route Recommendation Using Geotagged Photos,"
    Knowledge and Information Systems (KAIS) journal, Volume 37, Issue 1, 37-60, 2013

  14. 倉島健, 岩田具治, 星出高秀, 高屋典子, 藤村 考,
    "行動範囲と興味の同時推定モデルによる行動推薦手法,"
    情報処理学会論文誌データベース(TOD), 情報処理学会, TOD57, 2013

  15. Kevin Duh, Ching-Man Au Yeung, Tomoharu Iwata, Masaaki Nagata:
    "Managing information disparity in multilingual document collections,"
    ACM Trans. Speech Lang. Process. 10, 1, Article 1, March 2013

  16. Tomoharu Iwata, Shinji Watanabe,
    "Influence Relation Estimation based on Lexical Entrainment in Conversation,"
    Speech Communication, 55, 2, 329-339, 2013

  17. Tomoharu Iwata, Hiroshi Sawada,
    "Topic Model for Analyzing Purchase Data with Price Information,"
    Data Mining and Knowledge Discovery, 26, 3, 559-573, 2013
    [pdf]

  18. Tomoharu Iwata, Takeshi Yamada, Yasushi Sakurai, Naonori Ueda,
    "Sequential Modeling of Topic Dynamics with Multiple Timescales,"
    ACM Transactions on Knowledge Discovery from Data (TKDD), Volume 5 Issue 4, 19:1-19:27, 2012
    [pdf]

  19. Yutaka Kabutoya, Tomoharu Iwata, Ko Fujimura,
    "Collaborative Filtering based on Topic Models Considering an Account Shared by Multiple Users,"
    DBSJ Journal, Vol.9, No.3, 7-12, 2011

  20. Tomoharu Iwata, Tomoko Kojiri, Takeshi Yamada, Toyohide Watanabe,
    "Recommendation for English Multiple-choice Cloze Questions Based on Expected Test Scores,"
    International Journal of Knowledge-based and Intelligent Engineering Systems, Volume 15, Number 1, 2011
    [pdf]

  21. Shinji Watanabe, Tomoharu Iwata, Takaaki Hori, Atsushi Sako, Yasuo Ariki,
    "Topic Tracking Language Model for Speech Recognition,"
    Computer Speech & Language, Volume 25, Issue 22, 440-461, 2011

  22. Tomoharu Iwata, Toshiyuki Tanaka, Takeshi Yamada, Naonori Ueda,
    "Improving Classifier Performance using Data with Different Taxonomies,"
    IEEE Transactions on Knowledge and Data Engineering (TKDE), Vol. 23, No. 11, 1668-1677, 2011
    [pdf]

  23. 甲谷優, 岩田具治, 塩原寿子, 藤村考,
    "QAコミュニティにおける複数情報源を用いた効果的な質問推薦,"
    情報処理学会論文誌 データベース(TOD), Vol.3, No. 4, 34-47, 2010

  24. Takuya Goto, Tomoko Kojiri, Toyohide Watanabe, Tomoharu Iwata, Takeshi Yamada,
    "Automatic Generation System of Multiple-choice Cloze Questions and its Evaluation,"
    Knowledge Management & E-Learning: An International Journal (KM&EL), Vol 2, No 3, 2010

  25. 岩田具治,渡部晋治,山田武士,上田修功:
    "購買行動解析のためのトピック追跡モデル,"
    電子情報通信学会, Vol.J93-D, No.6, pp.978-987, 2010

  26. 石黒勝彦,岩田具治,上田修功:
    "時間依存関係データ分析のための動的無限関係モデル,"
    情報処理学会論文誌 数理モデル化と応用, Vol.3, No.1, 1-12, 2010

  27. Takuya Goto, Tomoko Kojiri, Toyohide Watanabe, Tomoharu Iwata, Takeshi Yamada,
    "Knowledge Network for English Grammar Learning Support System,"
    International Journal of Advanced Intelligence Paradigms, Vol.2, No.1, 64-77, 2009

  28. 岩田具治,山田武士,上田修功,
    "トピックモデルに基づく文書群の可視化,"
    情報処理学会論文誌, Vol.50, No.6, 1649-1659, 2009
    [pdf]*IPSJ

  29. 岩田具治,田中利幸,山田武士,上田修功,
    "分布が変化するデータにおけるモデル学習法,"
    電子情報通信学会, Vol.J-92D, No.3, 361-370, 2009

  30. Tomoharu Iwata, Kazumi Saito, Takeshi Yamada,
    "Recommendation Method for Improving Customer Lifetime Value,"
    IEEE Transactions on Knowledge and Data Engineering (TKDE), Vol.20, No.9, 1254-1263, 2008
    [pdf] © 2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. *IEEE

  31. 岩田具治,山田武士, 上田修功,
    "購買順序を効率的に用いた協調フィルタリング,"
    情報処理学会論文誌:数理モデル化と応用, Vol.49, No.SIG4 (TOM20), 125-134, 2008 (情報処理学会論文賞)
    [pdf]*IPSJ

  32. 岩田具治,斉藤和巳,
    "パラメトリック埋め込み法を用いた分類器の視覚的解析,"
    情報処理学会論文誌,Vol.48,No.12,4012-4022,2007
    [pdf]*IPSJ

  33. 岩田具治,斉藤和巳,山田武士,
    "契約期間を延ばすためのレコメンド法,"
    情報処理学会論文誌:数理モデル化と応用, Vol.48,No.SIG6 (TOM17), 65-74, 2007
    [pdf]*IPSJ

  34. Tomoharu Iwata, Kazumi Saito, Naonori Ueda, Sean Stromsten, Thomas L. Griffiths, Joshua B. Tenenbaum,
    "Parametric Embedding for Class Visualization,"
    Neural Computation, Vol.19, No.9, 2536-2556, 2007
    [pdf]

  35. 岩田具治,斉藤和巳,山田武士,
    "契約期間を延ばすためのリコメンデーション法,"
    情報科学技術レターズ, Vol.5, 109-112, 2006,(レター,FITヤングリサーチャー賞)
    [pdf]

  36. Tomoharu Iwata, Kazumi Saito,
    "Visualization of Anomalies using Mixture Models,"
    Journal of Intelligent Manufacturing,Vol.16, 635-643, 2005
    [pdf]

  37. 岩田具治,斉藤和巳,上田修功,
    "パラメトリック埋め込み法によるクラス構造の可視化,"
    情報処理学会論文誌,Vol.46, No.9,2337-2346,2005
    [pdf]*IPSJ

  38. 岩田具治,斉藤和巳,上田修功,
    "事後確率構造の可視化,"
    情報科学技術レターズ, Vol.3, 119-120, 2004 (レター,船井ベストペーパー賞)
    [pdf]

国際会議

  1. Atsutoshi Kumagai, Tomoharu Iwata,
    Learning Latest Classifiers without Additional Labeled Data,
    IJCAI, 2017

  2. Yasuhiro Fujiwara, Naoki Marumo, Mathieu Blondel, Koh Takeuchi, Hideaki Kim, Tomoharu Iwata, Naonori Ueda,
    SVD-Based Screening for the Graphical Lasso,
    IJCAI, 2017

  3. Yasuhiro Fujiwara, Naoki Marumo, Mathieu Blondel, Koh Takeuchi, Hideaki Kim, Tomoharu Iwata, Naonori Ueda,
    Scaling Locally Linear Embedding,
    SIGMOD, 2017

  4. Makoto Yamada, Takeuchi Koh, Tomoharu Iwata, John Shawe-Taylor, Samuel Kaski,
    Localized Lasso for High-Dimensional Regression,
    In Proceedings of the International Conference on Artificial Intelligence and Statistics (AISTATS), 2017

  5. Atsutoshi Kumagai, Tomoharu Iwata,
    Learning Non-linear Dynamics of Decision Boundaries for Maintaining Classification Performance,"
    AAAI, 2017

  6. Hideaki Kim, Tomoharu Iwata, Yasuhiro Fujiwara, Naonori Ueda,
    "Read the Silence: Well-timed Recommendation via Admixture Marked Point Processes,"
    AAAI, 2017

  7. Tomoharu Iwata, Makoto Yamada,
    "Multi-view Anomaly Detection via Robust Probabilistic Latent Variable Models,"
    NIPS, 2016
    [pdf]

  8. Takuya Konishi, Tomoharu Iwata, Kohei Hayashi and Ken-Ichi Kawarabayashi,
    "Ideyintifying Key Observers to Find Popular Information in Advance,"
    IJCAI, 2016

  9. Atsutoshi Kumagai, Tomoharu Iwata,
    "Learning Future Classifiers without Additional Data,"
    AAAI, 2016

  10. Yusuke Tanaka, Takeshi Kurashima, Yasuhiro Fujiwara, Tomoharu Iwata, Hiroshi Sawada,
    "Inferring Latent Triggers of Purchases with Consideration of Social Effects and Media Advertisements,"
    WSDM, 2016

  11. Yuya Yoshikawa, Tomoharu Iwata, Hiroshi Sawada, Takeshi Yamada,
    "Cross-Domain Matching for Bag-of-Words Data via Kernel Embeddings of Latent Distributions,"
    Advances in Neural Information Processing Systems (NIPS2015), Montreal, Canada, Dec. 2015

  12. Koh Takeuchi, Yoshinobu Kawahara, and Tomoharu Iwata,
    "Higher Order Fused Regularization for Supervised Learning with Grouped Parameters,"
    ECML-PKDD, 2015

  13. Yarin Gal, Tomoharu Iwata, Zoubin Ghahramani:
    "An Infinite Product of Sparse Chinese Restaurant Processes,"
    10th Conference on Bayesian Nonparametrics (BNP), 2015

  14. Tomoharu Iwata, Koh Takeuchi:
    "Cross-domain recommendation without shared users or items by sharing latent vector distributions,"
    AISTATS2015, 2015
    [pdf]

  15. Yuya Yoshikawa, Tomoharu Iwata, Hiroshi Sawada:
    "Non-linear Regression for Bag-of-Words Data via Gaussian Process Latent Variable Set Model,"
    The 28th AAAI Conference on Artificial Intelligence (AAAI2015), Austin, Texas, USA, Jan. 2015

  16. Yuya Yoshikawa, Tomoharu Iwata, Hiroshi Sawada:
    "Latent Support Measure Machines for Bag-of-Words Data Classification,"
    NIPS2014, 2014

  17. Takeshi Kurashima, Tomoharu Iwata, Noriko Takaya, Hiroshi Sawada:
    "Probabilistic Latent Network Visualization: Inferring and Embedding Diffusion Networks,"
    KDD2014, 2014

  18. Masakazu Ishihata, Tomoharu Iwata:
    "Generating structure of latent variable models for nested data,"
    UAI2014, 2014

  19. Takeshi Kurashima, Tomoharu Iwata, Noriko Takaya, Hiroshi Sawada:
    "A Probabilistic Behavior Model for Discovering Unrecognized Knowledge,"
    ICDM2013, 2013

  20. Alejandro Marcos Alvarez, Makoto Yamada, Akisato Kimura, Tomoharu Iwata:
    "Clustering-Based Anomaly Detection in Multi-View Data,"
    CIKM2013, poster, 2013

  21. Yuya Yoshikawa, Tomoharu Iwata, Hiroshi Sawada:
    Latent Feature Independent Cascade Model for Social Propagation,
    International Conference on Parallel & Distributed Processing Techniques & Applications (PDPTA), 2013

  22. Tomoharu Iwata, Amar Shah, Zoubin Ghahramani:
    "Discovering Latent Influence in Online Social Activities via Shared Cascade Poisson Processes,"
    Proceedings of the 19th ACM SIGKDD international conference on Knowledge discovery and data mining (KDD2013), 266-274, 2013
    [pdf]

  23. Tsutomu Hirao, Tomoharu Iwata, Masaaki Nagata:
    "Latent Semantic Matching: Application to Cross-language Text Categorization without Alignment Information,"
    ACL2013, short, 2013

  24. Tomoharu Iwata, David Duvenaud, Zoubin Ghahramani:
    "Warped Mixtures for Nonparametric Cluster Shapes,"
    UAI 2013, 2013
    [preprint]

  25. Tomoharu Iwata, Tsutomu Hirao, Naonori Ueda:
    "Unsupervised Cluster Matching via Probabilistic Latent Variable Models,"
    AAAI2013, 2013
    [pdf]

  26. Tomoharu Iwata, Neil Houlsby, Zoubin Ghahramani:
    "Active Learning for Interactive Visualization,"
    AISTATS 2013, JMLR W&CP 31:342-350, 2013
    [pdf]

  27. Takeshi Kurashima, Tomoharu Iwata, Takahide Hoshide, Noriko Takaya, Ko Fujimura:
    "Geo topic model: joint modeling of user's activity area and interests for location recommendation,"
    WSDM 2013, 375-384, 2013

  28. Yutaka Kabutoya, Tomoharu Iwata, Hiroyuki Toda, Hiroyuki Kitagawa:
    "A Probabilistic Model for Diversifying Recommendation Lists,"
    APWeb 2013, April 2013

  29. Tomoharu Iwata, Kevin Duh,
    "Bidirectional Semi-Supervised Learning with Graphs,"
    ECML-PKDD'12, 293-306, 2012
    [pdf]

  30. Yutaka Kabutoya, Robert Sumi, Tomoharu Iwata, Toshio Uchiyama, Ko Fujimura:
    "A Topic Model for Recommending Movies via Linked Open Data,"
    WISE2012, 625-630, 2012

  31. Yasuko Matsubara, Yasushi Sakurai, Christos Faloutsos, Tomoharu Iwata, Masatoshi Yoshikawa:
    ``Fast Mining and Forecasting of Complex Time-Stamped Events,"
    ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD), pp. 271-279, Beijing, China, August 2012

  32. Kevin Duh, Tsutomo Hirao, Akisato Kimura, Katsuhiko Ishiguro, Tomoharu Iwata, Ching-Man Au Yeung,
    "Creating Stories: Social Curation of Twitter Messages,"
    In: ICWSM'12: Proceedings of the 6th International AAAI Conference on Weblogs and Social Media, Dublin, Ireland, 2012

  33. Ekapol Chuangsuwanich, Shinji Watanabe, Takaaki Hori, Tomoharu Iwata, James Glass,
    "Handling Uncertain Observations in Unsupervised Topic-mixture Language Model Adaptation,"
    ICASSP2012, 2012

  34. Roland Roller, Shinji Watanabe, Tomoharu Iwata,
    "Effect of Dialog Acts on Word Use in Polylogue,"
    ICASSP2012, 2012

  35. Ching-man Au Yeung, Tomoharu Iwata,
    "Modelling User Behaviour and Interactions: Augmented Cognition on the Social Web,"
    HCI (20) 277-287, 2011

  36. Akinori Fujino, Masaaki Nagata, Tomoharu Iwata,
    "Mislabeling Detection with Cross-validation Likelihood Maximization,"
    ACML2011, 2011

  37. Ching Man Au Yeung, Tomoharu Iwata,
    "Extracting Multi-dimensional Relations: A Generative Model of Groups of Entities in a Corpus,"
    CIKM2011, 1203-1208, 2011

  38. Kevin Duh, Katsuhito Sudoh, Tomoharu Iwata, Hajime Tsukada,
    "Alignment Inference and Bayesian Adaptation for Machine Translation,"
    Proceedings of Machine Translation Summit XIII, Xiamen, China, Sep. 2011

  39. Tomoharu Iwata, Shinji Watanabe,
    "Learning Influences from Word Use in Polylogue,"
    Interspeech2011, 3089-3092, 2011
    [pdf]

  40. Yasuhisa Yoshida, Tsutomu Hirao, Tomoharu Iwata, Masaaki Nagata, Yuji Matsumoto,
    "Transfer Learning for Multiple-Domain Sentiment Analysis: Identifying Domain Dependent/Independent Word Polarity,"
    AAAI2011, 2011

  41. Tomoharu Iwata, Shinji Watanabe, Hiroshi Sawada,
    "Fashion Coordinates Recommender System using Photographs from Fashion Magazines,"
    IJCAI2011, 2262-2267, 2011
    [pdf]

  42. Ching Man Au Yeung, Tomoharu Iwata,
    "Strength of Social Influence in Trust Networks in Product Review Sites,"
    WSDM2011, 495-504, 2011

  43. Katsuhiko Ishiguro, Tomoharu Iwata, Naonori Ueda, Josh Tenenbaum,
    "Dynamic Infinite Relational Model for Time-varying Relational Data Analysis,"
    NIPS2010, 910-918, 2010

  44. Takeshi Kurashima, Tomoharu Iwata, Go Irie, Ko Fujimura,
    "Travel Route Recommendation using Geotags in Photo Sharing Sites,"
    CIKM2010, 579-588, 2010

  45. Shinji Watanabe, Tomoharu Iwata, Takaaki Hori, Atsushi Sako, Yasuo Ariki,
    "Application of Topic Tracking Model to Language Model Adaptation and Meeting Analysis,"
    Proc. IEEE Workshop on Spoken Language Technology (SLT'10), 2010

  46. Yutaka Kabutoya, Tomoharu Iwata, Ko Fujimura,
    "Modeling Multiple Users' Purchase over a Single Account for Collaborative Filtering,"
    WISE2010, 2010

  47. Tomoharu Iwata, Takeshi Yamada, Yasushi Sakurai, Naonori Ueda,
    "Online Multiscale Dynamic Topic Models,"
    Proc. of 16th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD2010), 663-672, 2010
    (Best Research Paper Award Honorable Mention)
    [pdf]

  48. Tomoharu Iwata, Daichi Mochihashi, Hiroshi Sawada,
    "Learning Common Grammar from Multilingual Corpus,"
    Proceedings of 48th Annual Meeting of the Association for Computational Linguistics (ACL2010), 184-188, 2010
    [pdf]

  49. Yutaka Kabutoya, Tomoharu Iwata, Hisako Shiohara, Ko Fujimura,
    "Effective Question Recommendation Based on Multiple Features for Question Answering Communities,"
    Proceedings of 4th Int'l AAAI Conference on Weblogs and Social Media (ICWSM2010), 2010

  50. Albert Au Yeung, Tomoharu Iwata,
    "Capturing Implicit User Influence in Online Social Sharing,"
    Proceedings of 21st ACM Conference on Hypertext and Hypermedia (HT2010), 245-254, 2010

  51. Tomoharu Iwata, Takeshi Yamada, Naonori Ueda,
    "Modeling Social Annotation Data with Content Relevance using a Topic Model,"
    Advances in Neural Information Processing Systems (NIPS2009), 835-843, 2009
    [pdf (revised version)]

  52. Takuya Goto, Tomoko Kojiri, Toyohide Watanabe, Tomoharu Iwata, Takeshi Yamada,
    "An Automatic Generation of Multiple-choice Cloze Questions Based on Statistical Learning,"
    The 17th International Conference on Computers in Education (ICCE2009), 415-422, 2009 (Nomination for Best Student Paper Award)

  53. Tomoharu Iwata, Shinji Watanabe, Takeshi Yamada, Naonori Ueda,
    "Topic Tracking Model for Analyzing Consumer Purchase Behavior,"
    Proc. of 21st International Joint Conference on Artificial Intelligence (IJCAI-09), 1427-1432, 2009
    [pdf]

  54. Tomoharu Iwata, Tomoko Kojiri, Takeshi Yamada, Toyohide Watanabe,
    "Recommendation Algorithm for Learning Materials that Maximizes Expected Test Scores,"
    Proc. of 10th Pacific Rim International Conference on Artificial Intelligence (PRICAI2008), 965-970, 2008
    [pdf]

  55. Takuya Goto, Tomoko Kojiri, Toyohide Watanabe, Takeshi Yamada, Tomoharu Iwata,
    "English Grammar Learning System Based on Knowledge Network of Fill-in-the-Blank Exercises,"
    Proc. of 12th International Conference on Knowledge-Based and Intelligent Information & Engineering Systems (KES2008), Part III, LNAI 5179, 588-595, 2008

  56. Tomoharu Iwata, Takeshi Yamada, Naonori Ueda,
    "Probabilistic Latent Semantic Visualization: Topic Model for Visualizing Documents,"
    Proc. of 14th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD2008), 363-371, 2008
    [pdf] © ACM, 2008. This is the author's version of the work. It is posted here by permission of ACM for your personal use. Not for redistribution.

  57. Masahide Kakehi, Tomoko Kojiri, Toyohide Watanabe, Takeshi Yamada, Tomoharu Iwata,
    "Organization of Discussion Knowledge Graph from Collaborative Learning Record,"
    Proc. of 11th International Conference on Knowledge-Based Intelligent Information & Engineering Systems (KES2007), LNAI 4694 III, 600-607, 2007

  58. Tomoharu Iwata, Kazumi Saito, Takeshi Yamada,
    "Modeling User Behavior in Recommender Systems based on Maximum Entropy,"
    Proc. of 16th International World Wide Web Conference (WWW2007), poster, 1281-1282, 2007
    [pdf] © ACM, 2007. This is the author's version of the work. It is posted here by permission of ACM for your personal use. Not for redistribution.

  59. Tomoharu Iwata, Kazumi Saito, Takeshi Yamada,
    "Recommendation Method for Extending Subscription Periods,"
    Proc. of 12th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD2006), 574-579, 2006
    [pdf] © ACM, 2006. This is the author's version of the work. It is posted here by permission of ACM for your personal use. Not for redistribution.

  60. Tomoharu Iwata, Kazumi Saito, Naonori Ueda,
    "Visual Nonlinear Discriminant Analysis for Classifier Design,"
    Proc. of 14th European Symposium on Artificial Neural Networks (ESANN2006), 283-288, 2006
    [pdf]

  61. Tomoharu Iwata, Kazumi Saito, Naonori Ueda, Sean Stromsten, Thomas L. Griffiths, Joshua B. Tenenbaum,
    Parametric Embedding for Class Visualization
    Advances in Neural Information Processing Systems 17 (NIPS2004), oral, 617-624, 2005
    [pdf]

  62. Tomoharu Iwata, Kazumi Saito,
    "Visualization of Anomaly using Mixture Model,"
    Proc. of 8th International Conference on Knowledge-Based Intelligent Information & Engineering Systems (KES2004), Part 2, 624-631, 2004

  63. Takashi Ikegami, Tomoharu Iwata, Koh Hashimoto,
    A Network of Dynamic Keystone Species
    Proc. of Artificial Life VIII, 216-222, 2002

  64. Kouichi Takahashi, Yusuke Saito, Tomohiko Aikawa, Tomoharu Iwata, Motohiro Yoneda, Masayuki Okayama, Masaru Tomita,
    "E-Cell: Software Environment for Whole Cell Simulation and Analysis,"
    4th Annual International Conference on Computational Molecular Biology (RECOMB2000), 2000

  65. Yusuke Saito, Kouichi Takahashi, Tomoharu Iwata, Tomohiko Aikawa, Masaru Tomita,
    "Parameter Estimation Mechanism of E-Cell Simulation Environment,"
    Genome Informatics (GIW99), 1999

国内会議

  1. 吉川友也, 岩田具治,
    近似カーネル平均埋め込みに基づくBag-of-Wordsデータのためのニューラルネット
    IBIS, 2016

  2. 熊谷充敏, 岩田具治
    ラベルなしデータを活用した最新の分類器学習法
    IBIS, 2016

  3. 田中佑典, 岩田具治, 倉島健, 戸田浩之, 上田修功
    集計データに基づく人流グラフ推定技術の検討
    IBIS, 2016

  4. 金秀明, 岩田具治, 藤原靖宏, 上田修功
    混合メンバシップ・マーク付き点過程に基づくタイミングを考慮した訪問地推薦
    IBIS, 2016

  5. 森岡幹, 岩田具治, 小川厚徳, 俵直弘, 小川哲司, 小林 哲則
    少量データに頑健なニューラルネットワーク言語モデル
    日本音響学会 秋季研究発表会, 2016

  6. 芦川博人, 森岡幹, 小川厚徳, 岩田具治, 俵直弘, 小川哲司, 小林哲則
    複数人対話のための話者情報を用いた RNN 言語モデル
    日本音響学会 秋季研究発表会, 2016 (学生優秀発表賞)

  7. 石畠正和, 岩田具治
    Grouped Bayesian Network: より細かな独立性を考慮した確率モデリング
    人工知能学会全国大会, 2016

  8. 竹内孝,河原吉伸,岩田具治
    高階結合正則化による時空間変化パターンの検出
    人工知能基本問題研究会, 2016 (研究会優秀賞)

  9. Topic Models for Analyzing Short Text Documents with User and Time Information
    今井優作,岩田具治,澤田宏,山田 武士
    IBISワークショップ, 2015

  10. 完全変数化NML符号長に基づくべイズ正準相関分析のランク推定
    中村友彦,岩田具治,山西健司
    IBISワークショップ, 2015

  11. 竹内孝,河原吉伸,岩田具治
    高階結合正則化を用いた教師あり学習
    IBISワークショップ, 2015

  12. 森岡幹, 俵直弘, 小川哲司, 岩田具治, 小川篤徳, 堀貴明, 小林哲則
    複数の文脈長を考慮したリカレントニューラルネットワークに基づく言語モデル
    日本音響学会 2015年秋季研究発表会講演論文集, (1-2-7):pp.17-20, September, 2015

  13. 吉川友也, 岩田具治, 澤田宏, 山田武士
    潜在分布のカーネル埋め込みによる異種データ間マッチング
    人工知能学会全国大会, 2015

  14. 今井優作, 岩田具治, 澤田宏, 山田武士
    マイクロブログ解析のための混合トピックモデル
    人工知能学会全国大会, 2015

  15. 田中佑典, 倉島健, 藤原靖宏, 岩田具治, 澤田宏
    社会環境から受ける影響を考慮した選択行動モデルの検討
    人工知能学会全国大会, 2015

  16. 石畠正和, 岩田具治
    Repair Topic Model
    人工知能学会全国大会, 2015

  17. 近藤雅芳, 岩田具治, 澤田宏, 山田武士
    単語の多義性を考慮した文書可視化
    IBISワークショップ, 2014

  18. 吉川友也, 岩田具治, 澤田宏
    Bag-of-Wordsデータ分類のための潜在サポートメジャーマシン
    IBISワークショップ, 2014

  19. 石畠正和, 岩田具治:
    データの階層情報を利用した確率的潜在変数モデルの自動生成,
    人工知能学会全国大会, 2014

  20. 吉川友也, 岩田具治, 澤田宏:
    グループ推薦のための非線形行列分解,
    人工知能学会全国大会, 2014 (全国大会優秀賞)

  21. 熊谷充敏,折原慎吾,岡野靖,岩田具治,大嶋嘉人:
    故意に誤ったラベル付けをするユーザへの耐性をもたせた識別モデル,
    IBISML研究会,2014

  22. 吉川友也, 岩田具治, 澤田宏:
    ソーシャルコーディングにおける成功の法則,
    WebDB Forum 2013

  23. 吉川友也, 岩田具治, 澤田宏:
    "ユーザの潜在特徴を考慮した情報拡散モデルの学習,"
    WebDB Forum 2012, 2012 (サイバーエージェント賞, 学生奨励賞)

  24. 吉川友也, 岩田具治, 澤田宏:
    "トピックを考慮したソーシャルネットワーク上の情報拡散モデル,"
    第26回人工知能学会全国大会 (JSAI2012), Jun. 2012

  25. 平尾努, 岩田具治, 永田昌明:
    教師なしマッピングによる言語横断テキスト分類,
    言語処理学会, 2012

  26. Robert Sumi, Yutaka Kabutoya, Tomoharu Iwata, Toshio Uchiyama, Ko Fujimura:
    A Topic Model for Enhancing Collaborative Filtering via Linked Open Data,
    DEIM2012, 2012

  27. 倉島 健,岩田具治,入江 豪,藤村 考:
    "ソーシャルメディアを用いた個人向け旅行プランの自動生成,"
    電子情報通信学会技術研究報告, LOIS, ライフインテリジェンスとオフィス情報システム, 2011

  28. 甲谷 優, 岩田 具治, 内山 俊郎, 藤村 考:
    "ディリクレ過程を用いたアカウントを共有するユーザの購買のモデリング,"
    人工知能学会全国大会, 2011

  29. 吉田康久 平尾努 岩田具治 永田昌明 松本裕治:
    "分野に依存しない単語極性を考慮した評判分析のための転移学習モデル,"
    言語処理学会第17回年次大会, 2011 (優秀発表賞)

  30. Ching-Man Au Yeung, Tomoharu Iwata,
    "Trust Relations and Product Ratings on the Web,"
    WebDB Forum 2010, 2010 (優秀論文賞)

  31. 岩田具治, 山田武士, 上田修功,
    "ラベルノイズに頑健なトピックモデル,"
    IBIS2010, 2010 (Honorable Mention)

  32. 石黒勝彦, 持橋大地, 岩田具治, 澤田宏, 上田修功,
    "トピック画像モデルによるデータの画像化,"
    IBIS2010, 2010

  33. 岩田具治,
    潜在トピックモデルを用いたデータマイニング,
    第1回Latent Dynamics Workshop, 2010/6

  34. 岩田具治, 渡部晋治, 澤田宏:
    ファッション雑誌を用いたコーディネート推薦システム,
    FIT2010, 2010
    [pdf]

  35. 甲谷優, 岩田具治, 塩原寿子, 藤村考:
    QAコミュニティにおける複数情報源を用いた効果的な質問推薦,
    DEIM2010, 2010

  36. 倉島健, 岩田具治, 入江豪, 藤村考:
    写真共有サイトにおけるジオタグ情報を利用したトラベルルート推薦,
    LOIS2009-88, 55--60, 2010 (LOIS研究賞受賞)

  37. 後藤拓也,小尻智子,渡邉豊英,岩田具治,山田武士:
    統計的学習を用いた問題作成知識抽出に基づく英語問題自動生成,
    人工知能学会研究会資料,SIG-ALST-A903-06, pp.27--32, 2010

  38. 石黒勝彦, 岩田具治, 上田修功,
    時間変化に対応する無限関係モデルの提案,
    情報処理学会研究報告, Vol. 2009-MPS-75, No. 24, pp. 1-6, 2009 (プレゼンテーション賞)

  39. 岩田具治, 山田武士, 櫻井保志, 上田修功,
    "オンライン学習可能な多重スケールでの時間発展を考慮したトピックモデル,"
    第12回情報論的学習理論ワークショップ (IBIS2009), 2009

  40. 後藤拓也,小尻智子,渡邉豊英,岩田具治,山田武士,
    "統計的学習に基づいた英語短文穴埋問題自動生成システムの評価,"
    教育システム情報学会第34回全国大会講演論文集,pp.74-75, 2009 (大会研究奨励賞受賞)

  41. 渡部晋治,岩田具治,堀貴明,佐古淳,有木康雄,
    "話題追従型言語モデルについての考察,"
    日本音響学会秋季研究発表会, 2-1-3, 2009

  42. 後藤拓也,小尻智子,渡邉豊英,岩田具治,山田武士,
    "既存問題の統計情報を利用した英語問題自動生成手法,"
    人工知能学会研究会資料,SIG-ALST-A901-02,9-14, 2009

  43. 岩田具治, 山田武士, 上田修功,
    "内容と関連するタグの教師なし抽出,"
    信学技報, Vol.109, No.51, AI2009-3, 13-18, 2009

  44. 佐古淳, 有木康雄, 岩田具治, 渡部晋治, 堀 貴明,
    "話題の連続/不連続変化を考慮したトピックモデルに基づく音声認識,"
    信学技報, Vol. 108, No. 338, SP2008-88, 55-60, 2008

  45. 岩田具治,渡部晋治,山田武士,上田修功,
    "トピックモデルに基づくユーザ興味の追跡,"
    情報論的学習理論ワークショップ(IBIS2008), 2008

  46. 岩田具治,田中利幸,山田武士,上田修功,
    "分布が変化するデータにおけるモデル学習法,"
    情報論的学習理論ワークショップ(IBIS2007), 170-175,2007

  47. 筧将英,小尻智子,渡邉豊英,山田武士,岩田具治,
    "協調学習からの問題解決シナリオの抽出,"
    教育システム情報学会研究報告,Vol.22, No.3, 3-7, 2007

  48. 岩田具治,斉藤和巳,山田武士,
    "最大エントロピー法に基づく推薦システムでのユーザ行動のモデル化,"
    第6回情報科学技術フォーラム(FIT2007),2007

  49. 筧将英,小尻智子,渡邉豊英,山田武士,岩田具治,
    "学習者の視点に基づく協調学習履歴の構造化,"
    第6回情報科学技術フォーラム(FIT2007),2007

  50. 岩田具治, 斉藤和巳, 山田武士,
    "顧客生涯価値を高めるためのリコメンデーション法,"
    パターン認識・メディア理解研究会,PRMU2007-37, 57-62, 2007

  51. 岩田具治,山田武士, 上田修功,
    "購買順序を考慮した協調フィルタリング,"
    人工知能と知識処理研究会,AI2007-3, 13-18, 2007

  52. 岩田具治,斉藤和巳,山田武士,
    "定額制サービスにおける優良顧客の購買パターン分析,"
    第18回データ工学ワークショップ(DEWS2007),2007

  53. 岩田具治,斉藤和巳,山田武士,
    "契約期間を延ばすためのレコメンド法,"
    数理モデル化と問題解決研究会,情報処理学会研究報告,MPS-61,5-8,2006

  54. 岩田具治,斉藤和巳,上田修功,
    "パラメトリック埋め込み法によるWeb検索結果のトピック可視化,"
    知識ベースシステム研究会(第69回),SIG-KBS-A405, 51-56, 2005

  55. 岩田具治,斉藤和巳,上田修功,
    "クラス可視化のためのパラメトリック埋め込み法,"
    日本神経回路学会第14回全国大会講演論文集, 20-21, 2004

  56. 岩田具治,斉藤和巳,上田修功,
    "球面埋め込み法による2部グラフの可視化,"
    日本神経回路学会第14回全国大会講演論文集, 66-67, 2004

  57. 岩田具治,斉藤和巳,上田修功,
    "分類の評価や特異文書の検出のための文書群の構造可視化,"
    自然言語処理研究会, 情報処理学会研究発表資料,NL-161-4, 25-32, 2004

  58. 岩田具治,斉藤和巳,
    "混合モデルを用いた異常値の可視化,"
    ニューロコンピューティング研究会, 信学技報 Vol.103 No.734,NC2003-214,121-126, 2004

  1. 岩田具治,
    "トピックモデル,"
    講談社, 2015

  2. T. Hastie, R. Tibshirani, J. Friedman (原著), 杉山将, 井手剛, 神嶌敏弘, 栗田多喜夫, 前田英作 (監訳), 井尻善久, 井手剛, 岩田具治, 金森敬文, 兼村厚範, 烏山昌幸, 河原吉伸, 木村昭悟, 小西嘉典, 酒井智弥, 鈴木大慈, 竹内一郎, 玉木徹, 出口大輔, 冨岡亮太, 波部斉, 前田新一, 持橋大地, 山田誠 (訳)
    "統計的学習の基礎: データマイニング・推論・予測,"
    共立出版, 2014

教育

  1. 奈良先端科学技術大学院大学,客員准教授,2017-
  2. 岐阜大学 非常勤講師,データ解析特論, 2016
  3. 大阪大学 非常勤講師,情報科学特別講義I, 2015-
  4. 奈良女子大学 非常勤講師,生活と統計学, 2014-

学会活動

  1. 電子情報通信学会、情報処理学会会員
  2. 電子情報通信学会編集委員, 2015-
  3. 電子情報通信学会 情報論的学習理論と機械学習 (IBISML) 研究会,専門委員, 2014-
  4. 情報処理学会 数理モデル化と問題解決(MPS)研究会,幹事, 2014-
  5. 電子情報通信学会査読委員, 2010-
  6. プログラム委員長,第19回情報論的学習理論ワークショップ (IBIS2016), 2016
  7. Program Committee Member, Artificial Intelligence and Statistics Conference, 2017
  8. Program Committee Member, 22nd ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD), 2016
  9. Program Committee Member, 29th Annual Conference on Neural Information Processing Systems (NIPS), 2015
  10. Program Committee Member, Advances in Variational Inference, NIPS2015 Workshop, 2015
  11. Program Committee Member, 21st ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD), 2015
  12. Program Committee Member, International Conference on Machine Learning (ICML), 2015
  13. Program Committee Member, Advances in Variational Inference, NIPS2014 Workshop, 2014
  14. Program Committee Member, 19th ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD), 2013
  15. Program Committee Member, 7th International Conference on Advanced Data Mining and Applications (ADMA 2011), 2011
  16. Program Committee Member, 3rd Asian Conference on Machine Learning (ACML 2011), 2011
  17. Program Committee Member, 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies (ACL-HLT 2011), 2011
  18. Program Committee Member, 2nd Asian Conference on Machine Learning (ACML 2010), 2010
  19. Program Committee Member, 1st International Workshop on Intelligent Visual Interfaces for Text Analysis (IVITA), 2010
  20. Program Committee Member, 1st Asian Conference on Machine Learning (ACML 2009), 2009

学位論文

  1. Tomoharu Iwata,
    "Probabilistic User Behavior Models in Online Stores for Recommender Systems,"
    Doctoral Thesis, Graduate School of Informatics, Kyoto University, 2008
    [pdf]

  2. 岩田具治,
    "生態系の進化ダイナミクスとキーストーン種,"
    修士論文,東京大学大学院 総合文化研究科, 2003
    [pdf]

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last update 2017/05/16