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Hisashi Kashima
Associate Professor, The University of Tokyo, Japan

Hisashi Kashima has been an associate professor of Department of Mathematical Informatics, The University of Tokyo since August, 2009.
Before joining the faculty, he was a research staff member of Data Analytics Group in Tokyo Research Laboratory of IBM Research during April, 1999-July, 2009.
He is working on machine learning and data mining research and their applications to bioinformatics, autonomic computing, and industrial&business intelligence.
His previous research work includes development of kernel methods for structured data such as trees and graphs, predictive modeling of networks including biological and social networks, and anomaly detection for industrial systems, and those contributions were awarded by academic societies.
He also contributes to business based on machine learning techniques, and has many issued and disclosed patents.
He obtained his B.S. degree in applied mathematics and physics in 1997, and a M.S. degree in systems engineering in 1999, and a Ph.D. degree in informatics in 2007 from Kyoto University in Japan.

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Current Research Interests

• Learning with structured data such as sequences, trees, graphs and networks
  • Kernel methods for structured data
    • Tree kernels
    • Labeled ordered kernels [ICML'02]
    • Unordered tree kernels [PAKDD'11]
    • Graph kernels
    • The "first" graph kernel using random walks [AM'02, ICML'03]
    • Linear-time graph kernel [ICDM'09]
    • Kernel methods for structured output problem [ICML'04]
  • Link prediction (Network structure prediction)
    • Semi-supervised link prediction with multiple link types [SDM'09]
    • Link prediction in temoralily changing environments [ECML PKDD'10, ICDM'11]
    • Kernels for link prediction [PAKDD'09]
    • Evolutionary model for link prediction [ICDM'06]
  • Matrix and tensor analysis
    • Tensor decomposition method with side information [ECML PKDD'11]
    • Convex formulation of tensor decomposition
    • Learning theory for tensor decomposition [NIPS'11]
    • Low-rank matrix learning method [ICML'10]
  • Graph pattern mining
    • Contrast graph mining [ICDM'03]
• Early warning and fault analysis
  • Anomaly detection in networks [KDD'04, ICDE'05]
  • Anomaly detection using density ratio [ICDM'08]
  • Change analysis to expain detected changes in data [PAKDD'08]
• Extension of standard machine learning algorithms to meet complex business requirements
  • Risk-sensive decision making under uncertain environments
    • Risk-sensitive learning using conditional value-at-risk [SDM'06]
    • Risk-sensitive reinforcement learning [ICML'10, UAI'10]
  • Learning with imbalanced data
    • Bagging with imbalanced data [SDM'08]
• Application of machine learning techniques to ...
  • Bioinformatics/Chemoinformatics
  • Cyber-physical systems
  • Financial engineering
  • Marketing science/Management science
  • Natural language processing
  • Problem detection and analysis in computer systems
  • Social network analysis

Awards

• 2011 Advisor and co-author of ECML PKDD 2011 Best Student Paper Award winners Atsuhiro Narita and Kohei Hayashi
• 2012 IPSJ Yamashita SIG Research Award, Information Processing Society of Japan
• 2010 IPSJ Best Paper Award, Information Processing Society of Japan
• 2009 IPSJ Nagao Special Researcher Award, Information Processing Society of Japan
• 2008 Incentive Award, Japanese Society for Artificial Intelligence (SIG Data Mining and Statistical Mathematics)
• 2007 Winner, IEEE Data Mining Contest 2007 (winner in Task 1 and second-runner up in Task 2)
• 2007 Best Paper Award, Japanese Society for Artificial Intelligence
• 2004 Incentive Award, Japanese Society for Artificial Intelligence (SIG Knowledge-based Systems)

Publications

Dissertation

• Hisashi Kashima: Machine Learning Approaches for Structured Data, Graduate School of Informatics, Kyoto University, 2007.

Journal Papers

27. Hiroshi Kajino and Hisashi Kashima: Convex Formulations of Multi-task Learning from Crowds, Journal of Japanese Society of Artificial Intelligence, Vol.27, No.3, pp.XX-XX, 2012. [in Japanese]
26. Junichiro Mori, Yuya Kajikawa, Hisashi Kashima and Ichiro Sakata: Machine Learning Approach for Finding Business Partners and Building Reciprocal Relationships, Expert Systems With Applications, 2012. (to appear)
25. Daisuke Kimura, Tetsuji Kuboyama, Tetsuo Shibuya and Hisashi Kashima: A Subpath Kernel for Rooted Unordered Trees, Journal of Japanese Society of Artificial Intelligence, Vol.26, No.3, pp.473-482, 2011. [in Japanese]
24. Reiji Teramoto and Hisashi Kashima: Prediction of Protein-ligand Binding Affinities Using Multiple Instance Learning, Journal of Molecular Graphics and Modelling, Vol.29, No.3, pp.492-497, 2010.
23. Yosuke Ozawa, Rintaro Saito, Shigeo Fujimori, Hisashi Kashima, Masamichi Ishizaka, Hiroshi Yanagawa, Etsuko Miyamoto-Sato and Masaru Tomita: Protein Complex Prediction via Verifying and Reconstructing the Topology of Domain-domain Interactions, BMC Bioinformatics, Vol. 11, No. 350, 2010.
22. Hisashi Kashima, Satoshi Oyama, Yoshihiro Yamanishi and Koji Tsuda: Cartesian Kernel: An Efficient Alternative to the Pairwise Kernel, IEICE Transaction on Information and Systems, Vol.E93-D, No.10, pp.2672-2679, 2010.
21. Masashi Sugiyama, Hirotaka Hachiya, Hisashi Kashima and Tetsuro Morimura: Least Absolute Policy Iteration - A Robust Approach to Value Function Approximation, IEICE Transaction on Information and Systems, Vol.E93-D, No.9, pp.2555-2565, 2010.
20. Hirofumi Matsuzawa, Shohei Hido, Tsuyoshi Ide and Hisashi Kashima: Unsupervised Change Analysis Using Supervised Learning, IEICE Transaction on Information and Systems, Vol. J93-D, No. 6, pp. 816-825, 2010. [in Japanese]
19. Shohei Hido, Yuta Tsuboi, Hisashi Kashima, Masashi Sugiyama and Takafumi Kanamori: Statistical Outlier Detection Using Direct Density Ratio Estimation, Knowledge and Information Systems, 2010. (to appear)
18. Shohei Hido, Hisashi Kashima and Yutaka Takahashi: Roughly-balanced Bagging for Imbalanced Data, Statistical Analysis and Data Mining, 2010. (to appear)
17. Tsuyoshi Kato, Hisashi Kashima, Masashi Sugiyama and Kiyoshi Asai: Conic Programming for Multi-task Learning, IEEE Transactions on Knowledge and Data Engineering, Vol.12, No.7, pp.957-968, 2010.
16. Hisashi Kashima and Masashi Sugiyama: A Transfer Learning Approach and Selective Integration of Multiple Types of Assays for Biological Network Inference, International Journal of Knowledge Discovery in Bioinformatics (IJKDB), Vol.1, No.1, pp.66-80, 2010.
15. Hiroto Saigo, Masahiro Hattori, Hisashi Kashima and Koji Tsuda: Reaction Graph Kernels Predict EC Numbers of Unknown Enzymatic Reactions in Plant Secondary Metabolism, BMC Bioinfomatics, Vol.11, No.Suppl 1:S31, 2010.
14. Hisashi Kashima, Yoshihiro Yamanishi, Tsuyoshi Kato, Masashi Sugiyama and Koji Tsuda: Simultaneous Inference of Biological Networks of Multiple Species from Genome-wide Data and Evolutionary Information: A Semi-supervised Approach, Bioinformatics, Vol.25, No.22, pp.2962-2968, 2009.
13. Yuta Tsuboi, Shinsuke Mori, Hisashi Kashima, Hiroki Oda and Yuji Matsumoto: Training Conditional Random Fields Using Partial Annotations for Domain Adaptation of Japanese Word Segmentation, IPSJ Journal, Vol. 50, No. 6, pp. 1234-1247, 2009. [in Japanese] (IPSJ Best Paper Award)
12. Yuta Tsuboi, Hisashi Kashima, Shohei Hido, Steffen Bickel and Masashi Sugiyama: Direct Density Ratio Estimation for Large-scale Covariate Shift Adaptation, Journal of Information Processing, Vol. 17, pp.138-155, 2009.
11. Tsuyoshi Kato, Hisashi Kashima and Masashi Sugiyama: Robust Label Propagation on Multiple Networks, IEEE Transactions on Neural Networks, Vol.20, No.1, pp. 35-44, 2009.
10. Masashi Sugiyama, Taiji Suzuki, Shinichi Nakajima, Hisashi Kashima, Paul von Bunau and Motoaki Kawanabe: Direct Importance Estimation for Covariate Shift Adaptation, Annals of the Institute of Statistical Mathematics, Vol.60, No.4, 2008.
9. Hisashi Kashima, Shoko Suzuki, Shohei Hido, Yuta Tsuboi, Toshihiro Takahashi, Tsuyoshi Ide, Rikiya Takahashi and Akira Tajima: A Semisupervised Approach Using Spatio-temporal Information for Indoor Location Estimation, In Qiang Yang, Sinno Jialin Pan and Vincent Wenchen Zheng, Estimating Location Using Wi-Fi, IEEE Intelligent Systems, Vol. 23, No. 1, pp. 8-13, Jan/Feb, 2008.
8. Shoko Suzuki, Yuta Tsuboi, Hisashi Kashima, Shohei Hido, Toshihiro Takahashi, Tsuyoshi Ide, Rikiya Takahashi and Akira Tajima: A Dimensionality Reduction Approach, In Qiang Yang, Sinno Jialin Pan and Vincent Wenchen Zheng, Estimating Location Using Wi-Fi, IEEE Intelligent Systems, Vol. 23, No. 1, pp. 8-13, Jan/Feb, 2008.
7. Hisashi Kashima: Risk-sensitive Learning via Minimization of Empirical Conditional Value-at-risk, IEICE Transaction on Information and Systems, Vol. E90-D, No. 12, pp. 2043-2052, 2007.
6. Tetsuji Kuboyama, Hisashi Kashima, Kiyoko F. Aoki-Kinoshita, Kouichi Hirata and Hiroshi Yasuda: A Spectrum Tree Kernel, Journal of Japanese Society of Artificial Intelligence, Vol.22, No.2, 2007.
5. Hisashi Kashima, Naoki Abe: A Parameterized Probabilistic Model of Network Evolution for Supervised Link Prediction, Journal of Japanese Society of Artificial Intelligence, Vol. 22, No. 2, 2007. [in Japanese]
4. Hisashi Kashima, Tadashi Tsumura, Tsuyoshi Ide, Takahide Nogayama, Ryo Hirade, Hiroaki Etoh and Takeshi Fukuda: Network-Based Problem Detection for Distributed Systems, IEICE Transaction, Vol. J89-D, No. 2, 2006. [in Japanese]
3. Hisashi Kashima, Hiroshi Sakamoto and Teruo Koyanagi: Design and Analysis of Convolution Kernels for Tree-Structured Data, Journal of Japanese Society of Artificial Intelligence, Vol. 21, No. 1, 2006. [in Japanese] (JSAI Best Paper Award)
2. Tetsuo Shibuya, Hisashi Kashima and Akihiko Konagaya: Efficient Filtering Methods for Clustering cDNAs with Spliced Sequence Alignment, Bioinformatics, 2003.
1. Takanori Fukao, Hisashi Kashima and Norihiko Adachi: Decentralized Adaptive Control with Improved Transient Performance, Transactions of the Society of Instrument and Control Engineers, Vol.35, No.7, pp. 869-878, 1999

Book Chapters/Review Articles

7. Hisashi Kashima: Graph Mining, Journal of IEICE, Vol.93, No.9, pp.797-802, 2010. [in Japanese]
6. Yoshihiro Yamanishi and Hisashi Kashima: Prediction of Compound-protein Interactions with Machine Learning Methods, In Chemoinformatics and Advanced Machine Learning Perspectives: Complex Computational Methods and Collaborative Techniques, IGI Global, 2010.
5. Hisashi Kashima, Hiroto Saigo, Masahiro Hattori and Koji Tsuda: Graph Kernels in Chemoinformatics, In Chemoinformatics and Advanced Machine Learning Perspectives: Complex Computational Methods and Collaborative Techniques, IGI Global, 2010.
4. Hisashi Kashima, Tsuyoshi Ide, Tsuyoshi Kato and Masashi Sugiyama: Recent Advances and Trends in Large-scale Kernel Methods (invited paper), IEICE Transactions on Information and Systems, 2009.
3. Hisashi Kashima: Kernel Methods for Analyzing Structured Data, Technical Report of IEICE "Pattern Recognition and Media Understanding", 2005. [in Japanese]
2. Hisashi Kashima: Kernel Methods for Mining Structured Data, IPSJ Magazine, 2005. [in Japanese]
1. Hisashi Kashima, Koji Tsuda and Akihiro Inokuchi: Kernels for Graphs, Kernel Methods in Computational Biology, MIT Press, 2004.

Patents (granted in U.S.)

7. Hiroaki Etoh, Ryo Hirade, Hisashi Kashima, Tsuyoshi Ide (IBM): Computer operation analysis, U.S.Patent:7493361.
6. Hisashi Kashima (IBM): System for supporting user's behavior, U.S.Patent: 7467120.
5. Tsuyoshi Ide, Kunikazu Yoda, Hisashi Kashima (IBM), Hiroaki Etoh, Ryo Hirade: Anomaly Detection, U.S.Patent: 7346803.
4. Akihiro Inokuchi, Hisashi Kashima (IBM): Classification factor detection, U.S.Patent: 7337186.
3. Hisashi Kashima, Yasumasa Kajinaga (IBM): Auction method and auction system, and storage medium therefor, U.S.Patent: 7231365.
2. Hisashi Kashima, Teruo Koyanagi (IBM): Classification method of labeled ordered trees using support vector machines, U.S.Patent: 7130,833.
1. Tetsuo Shibuya, Hisashi Kashima (IBM): Database search device, database search system, database search method, program and storage medium, U.S.Patent: 6928437.

(For patents granted in Japan please refer to my Japanese page.)

Conference Papers (refereed)

49. Satoshi Oyama, Kohei Hayashi and Hisashi Kashima: Cross-temporal Link Prediction, In Proc. 11th International Conference on Data Mining (ICDM), pp.1188-1193, Vancouver, Canada, 2011.
48. Xu Sun, Hisashi Kashima, Ryota Tomioka and Naonori Ueda: Online Multi-Task Learning for Personalized Continuous Activity Recognition, In Proc. 11th International Conference on Data Mining (ICDM), pp.XXX-XXX, Vancouver, Canada, 2011.
47. Ryota Tomioka, Taiji Suzuki, Kohei Hayashi and Hisashi Kashima: Statistical Performance of Convex Tensor Decomposition, In Proc. 25th Annual Conference on Neural Information Processing Systems (NIPS), Granada, Spain, 2011.
46. Atsuhiro Narita, Kohei Hayashi, Ryota Tomioka and Hisashi Kashima: Tensor Factorization Using Auxiliary Information, In Proc. European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases (ECML PKDD), pp.501-516, Athens, Greece, 2011. (Best Student Paper Award)
45. Yuta Tsuboi, Yuya Unno, Hisashi Kashima and Naoaki Okazaki: Fast Newton-CG Method for Batch Learning of Conditional Random Fields, In Proc. 25th AAAI Conference on Artificial Intelligence (AAAI), pp.489-494, San Francisco, California, USA, 2011.
44. Daisuke Kimura, Tetsuji Kuboyama, Tetsuo Shibuya and Hisashi Kashima: A Subpath Kernel for Rooted Unordered Trees, In Proc. 15th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD), pp.62-74, Shenzeng, China, 2011.
43. Xu Sun, Hisashi Kashima, Ryota Tomioka and Naonori Ueda: Large Scale Real-life Action Recognition Using Conditional Random Fields with Stochastic Training, In Proc. 15th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD), pp.XX-XX, Shenzeng, China, 2011.
42. Junichiro Mori, Yuya Kajikawa, Ichiro Sakata and Hisashi Kashima: Predicting Customer-supplier Relationships Using Network-based Features, In Proc. IEEE International Conference on Industrial Engineering and Engineering Management (IEEM), pp.1916-1920, Macau, China, 2010.
41. Xu Sun, Hisashi Kashima, Takuya Matsuzaki and Naonori Ueda: A Robust, Accurate, and Fast Stochastic Gradient Training Method for Modeling Latent-Information in Data, In Proc. 10th International Conference on Data Mining (ICDM), Sydney, Australia, 2010.
40. Rudy Raymond and Hisashi Kashima: Fast and Scalable Algorithms for Semi-supervised Link Prediction on Static and Dynamic Graphs, In Proc. European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases (ECML PKDD), pp.131-147, Barcelona, Spain, 2010.
39. Tetsuro Morimura, Masashi Sugiyama, Hisashi Kashima, Hirotaka Hachiya and Toshiyuki Tanaka: Return Density Approximation for Reinforcement Learning, In Proc. 26th Conference on Uncertainty in Artificial Intelligence (UAI), Catalina Island, California, USA, 2010.
38. Ryota Tomioka, Taiji Suzuki, Masashi Sugiyama and Hisashi Kashima: A Fast Augmented Lagrangian Algorithm for Learning Low-Rank Matrices, In Proc. 26th International Conference on Machine Learning (ICML), pp.1087-1094, Haifa, Israel, 2010.
37. Tetsuro Morimura, Masashi Sugiyama, Hisashi Kashima, Hirotaka Hachiya and Toshiyuki Tanaka: Nonparametric Return Density Estimation Reinforcement Learning, In Proc. 26th International Conference on Machine Learning (ICML), pp.799-806, Haifa, Israel, 2010.
36. Mutsumi Fukuzaki, Mio Seki, Hisashi Kashima and Jun Sese: Finding Itemset-Sharing Patterns in a Large Itemset-Associated Graph, In Proc. 14th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD), pp.147-159, Hyderabad, India, 2010.
35. Junichiro Mori, Yuya Kajikawa and Hisashi Kashima: Finding Your Business Partners by Using Machine Learning, In Proc. 19th International Conference on Management of Technology (IAMOT), Cairo, Egypt, 2010.
34. Hisashi Kashima, Shohei Hido, Yuta Tsuboi, Akira Tajima, Takeshi Ueno, Naoki Shibata, Ichiro Sakata and Toshiya Watanabe: Predictive Modeling of Patent Quality by Using Text Mining (スライド), In Proc. 19th International Conference on Management of Technology (IAMOT), Cairo, Egypt, 2010.
33. Hiroto Saigo, Masahiro Hattori, Hisashi Kashima and Koji Tsuda: Reaction Graph Kernels Predict EC Numbers of Unknown Enzymatic Reactions in Plant Secondary Metabolism, In Proc. 8th Asia Pacific Bioinformatics Conference (APBC), Bangalore, India, 2010.
32. Shohei Hido and Hisashi Kashima: A Linear-time Graph Kernel, In Proc. 9th IEEE International Conference on Data Mining (ICDM), Miami, Florida, USA, 2009.
31. Mutsumi Fukuzaki, Mio Seki, Hisashi Kashima and Jun Sese: Side Effect Prediction Using Cooperative Pathways. In Proc. IEEE International Conference on Bioinformatics and Biomedicine (IEEE BIBM), Washington D.C., USA, 2009.
32. Masashi Sugiyama, Hirotaka Hachiya, Hisashi Kashima and Tetsuro Morimura: Least Absolute Policy Iteration for Robust Value Function Approximation, 2009 IEEE International Conference on Robotics and Automation (ICRA), Kobe, Japan, 2009.
31. Hisashi Kashima, Satoshi Oyama, Yoshihiro Yamanishi and Koji Tsuda: On Pairwise Kernels: An Efficient Alternative and Generalization Analysis, In Proc. 13th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD), Bangkok, Thailand, 2009.
30. Hisashi Kashima, Tsuyoshi Kato, Yoshihiro Yamanishi, Masashi Sugiyama and Koji Tsuda: Link Propagation: A Fast Semi-supervised Learning Algorithm for Link Prediction, In Proc. 2009 SIAM Conference on Data Mining (SDM), pp. 1099-1110, Sparks, Nevada, USA, 2009.
29. Shohei Hido, Yuta Tsuboi, Hisashi Kashima, Masashi Sugiyama and Takafumi Kanamori: Inlier-based outlier detection via direct density ratio estimation, In Proc. 8th IEEE International Conference on Data Mining (ICDM), Pisa, Italy, 2008.
28. Hisashi Kashima, Jianying Hu, Bonnie Ray and Moninder Singh: K-means Clustering of Proportional Data Using L1 Distance, In Proc. 19th International Conference on Pattern Recognition (ICPR), Tampa, Florida, USA, 2008.
27. Yuta Tsuboi and Hisashi Kashima: A New Objective Function for Sequence Segmentation, In Proc. 19th International Conference on Pattern Recognition (ICPR), Tampa, Florida, USA, 2008.
26. Hisashi Kashima, Kazutaka Yamasaki, Hiroto Saigo and Akihiro Inokuchi: Regression with Interval Output Values, In Proc. 19th International Conference on Pattern Recognition (ICPR), Tampa, Florida, USA, 2008.
25. Yuta Tsuboi, Hisashi Kashima, Shinsuke Mori, Hiroki Oda and Yuji Matsumoto: Training Conditional Random Fields Using Incomplete Annotations (presentation slides), In Proc. 22nd International Conference on Computational Linguistics (COLING), Manchester, UK, 2008.
24. Shohei Hido, Tsuyoshi Ide, Hisashi Kashima, Harunobu Kubo and Hirofumi Matsuzawa: Unsupervised Change Analysis Using Supervised Learning, In Proc. 12th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD), Osaka, Japan, 2008.
23. Tsuyoshi Kato, Hisashi Kashima and Masashi Sugiyama: Integration of Multiple Networks for Robust Label Propagation, In Proc. 2008 SIAM International Conference on Data Mining (SDM), Atlanta, Georgia, USA, 2008.
22. Shohei Hido and Hisashi Kashima: Roughly Balanced Bagging for Imbalanced Data, In Proc. 2008 SIAM International Conference on Data Mining (SDM), Atlanta, Georgia, USA, 2008.
21. Yuta Tsuboi, Hisashi Kashima, Shohei Hido, Steffen Bickel and Masashi Sugiyama: Direct Density Ratio Estimation for Large-scale Covariate Shift Adaptation （presentation slides）, In Proc. 2008 SIAM International Conference on Data Mining (SDM), Atlanta, Georgia, USA, 2008.
20. Hisashi Kashima, Shoko Suzuki, Shohei Hido, Yuta Tsuboi, Toshihiro Takahashi, Tsuyoshi Ide, Rikiya Takahashi and Akira Tajima: A Semi-supervised Approach to Indoor Location Estimation (presentation slides), In IEEE ICDM Data Mining Contest, Omaha, Nebraska, USA, 2007 (winner for Task 1 out of 15 teams)
19. Shoko Suzuki, Yuta Tsuboi, Hisashi Kashima, Shohei Hido, Toshihiro Takahashi, Tsuyoshi Ide, Rikiya Takahashi and Akira Tajima: A Semi-supervised Approach to Transferring the Learned Knowledge for Indoor Location Estimation, In IEEE ICDM Data Mining Contest, Omaha, Nebraska, USA, 2007 (second runner up for Task 2 out of 17 teams)
18. Masashi Sugiyama, Shinichi Nakajima, Hisashi Kashima, Paul von Bunau and Motoaki Kawanabe: Direct Importance Estimation with Model Selection and Its Application to Covariate Shift Adaptation, In Proc. 21st Annual Conference on Neural Information Processing Systems (NIPS2007), Vancouver, B.C., Canada, 2007.
17. Tsuyoshi Kato, Hisashi Kashima, Masashi Sugiyama and Kiyoshi Asai: Multi-task Learning via Conic Programming, In Proc. 21st Annual Conference on Neural Information Processing Systems (NIPS2007), Vancouver, B.C., Canada, 2007.
16. Tsuyoshi Ide and Hisashi Kashima: Effective Dimension in Anomaly Detection: Its Application to Computer Systems, New Frontiers in Artificial Intelligence (Post-proceedings of the Eighteenth Annual Conference of Japanese Society of Artificial Intelligence), Lecture Notes in Artificial Intelligence, Vol. 3609, pp.189-204, 2007.
15. Tetsuji Kuboyama, Kouichi Hirata, Kiyoko F. Aoki-Kinoshita, Hisashi Kashima and Hiroshi Yasuda: A Gram Distribution Kernel Applied to Glycan Classification and Motif Extraction, In Proc. 17th International Conference on Genome Informatics (GIW2006), Yokohama, Japan, 2006.
14. Hisashi Kashima and Naoki Abe: A Parameterized Probabilistic Model of Network Evolution for Supervised Link Prediction, In Proc. 6th IEEE International Conference on Data Mining (ICDM2006), Hong Kong, 2006.
13. Tetsuji Kuboyama, Hisashi Kashima, Kiyoko F. Aoki-Kinoshita, Koichi Hirata and Hiroshi Yasuda: A Spectrum Tree Kernel, In Proc. The International Workshop on Data-Mining and Statistical Science (DMSS2006), Sapporo, Japan, 2006.
12. Tetsuji Kuboyama, Kilho Shin and Hisashi Kashima: Flexible Tree Kernels Based on Counting the Number of Tree Mappings, In Proc. Workshop on Mining and Learning (held with ECML/PKDD 2006), Berlin, Germany, 2006.
11. Hisashi Kashima: Risk-Sensitive Learning via Expected Shortfall Minimization (Extended Abstract), In Proc. 2006 SIAM Conference on Data Mining (SDM06), Bethesda, Maryland, USA, 2006. (full paper version)
10. Hisashi Kashima, Tadashi Tsumura, Tsuyoshi Ide, Takahide Nogayama, Ryo Hirade, Hiroaki Etoh and Takeshi Fukuda: Network-Based Problem Detection for Distributed Systems, In Proc. 21st International Conference on Data Engineering (ICDE2005), Tokyo, Japan, 2005.
9. Tsuyoshi Ide and Hisashi Kashima: Eigenspace-based Anomaly Detection in Computer Systems, In Proc. 10th ACM SIGKDD Conference (KDD2004), Seattle, Washington, USA, 2004.
8. Hisashi Kashima and Yuta Tsuboi: Kernel-Based Discriminative Learning Algorithms for Labeling Sequences, Trees and Graphs, In Proc. 21st International Conference on Machine Learning (ICML2004), Banff, Alberta, Canada, 2004.
7. Makoto Kano, Hisashi Kashima, Tetsuo Shibuya, Kaori Ide, Aiko Kashihara, Noriko Nakagawa, Mariko Hatakeyama, Seiki Kuramitsu and Akihiko Konagaya: A Method for Normalization of Gene Expression Data, In Proc. Genome Informatics Workshop (GIW2003), Yokohama, Japan, 2003.
6. Akihiro Inokuchi and Hisashi Kashima: Mining Significant Pairs of Patterns from Graph Structures with Class Labels, In Proc. 3rd IEEE International Conference on Data Mining (ICDM2003), Melbourne, Florida, USA, 2003.
5. Hisashi Kashima , Koji Tsuda and Akihiro Inokuchi: Marginalized Kernels Between Labeled Graphs, In Proc. 20th International Conference on Machine Learning (ICML2003), Washington DC, USA, 2003.
4. Hisashi Kashima and Akihiro Inokuchi: Kernels for Graph Classification, In Proc. 1st ICDM Workshop on Active Mining (AM-2002), Maebashi, Japan, 2002.
3. Hisashi Kashima and Teruo Koyanagi: Kernels for Semi-Structured Data, In Proc. 19th International Conference on Machine Learning (ICML2002), Sydney, Australia, 2002.
2. Takanori Fukao, Hisashi Kashima and Norihiko Adachi: Decentralized Adaptive Control of Dynamic Interconnected Systems with Improved Performance, In Proc. 8th IFAC Symposium on Large Scale Systems: Theory and Applications, pp. 138-143, 1998.
1. Takanori Fukao, Hisashi Kashima and Norihiko Adachi: Robust Adaptive Control of Large-Scale Systems with Unmodeled Dynamic Interconnections, Proc. of the 2nd Asian Control Conference, Vol 2, pp. 5-8, 1997.

Conference Papers (unrefereed)

14. Yuta Tsuboi, Hisashi Kashima, Shinsuke Mori, Hiroki Oda and Yuji Matsumoto: Training Conditional Random Fields using Partial and Ambiguous Structured Labels, In Technical Report of IPSJ SIG-NLP (NL-182), 2007. [in Japanese]
13. Hisashi Kashima, Kazutaka Yamasaki, Hiroto Saigo and Akihiro Inokuchi: Regression with Intervals, The International Workshop on Data-Mining and Statistical Science (DMSS2007), 2007. [in Japanese] (JSAI Incentive Award)
12. Masashi Sugiyama, Shinichi Nakajima, Hisashi Kashima, Paul von Bunau and Motoaki Kawanabe: Kullback-Leibler importance estimation procedure for covariate shift adaptation, The International Workshop on Data-Mining and Statistical Science (DMSS2007), 2007.
11. Tetsuji Kuboyama, Koichi Hirata and Hisashi Kashima and Kiyoko F. Aoki-Kinoshita: The Gram Distribution Kernel: A Tree Kernel for Glycan Classification, In Technical Report of Japanese Society of Artificial Intelligence, SIG-FPAI, 2006.
10. Hisashi Kashima: Risk-Sensitive Classification Learning, In Proc. 8th Information-Based Induction Sciences (IBIS 2005), 2005. [in Japanese]
9. Yuta Tsuboi and Hisashi Kashima: Design of Discriminative Models for Labeling Structured Data, In Proc. 8th Information-Based Induction Sciences (IBIS 2005), 2005. [in Japanese]
8. Tsuyoshi Ide and Hisashi Kashima: Eigenspace Approach to Anomaly Detection of Computer Systems, In Proc. Annual Conference of Japanese Society of Artificial Intelligence, 2004. [in Japanese]
7. Hisashi Kashima and Yuta Tsuboi: Kernel-based Discriminative Learning Algorithms for Labeling Sequences, Trees and Graphs, In Technical Report of The Institute for Electronics, Information and Communication Engineers, AI, 2004. [in Japanese]
6. Akihiro Inokuchi and Hisashi Kashima: Discovering Significant Pairs of Patterns from Graph Structures with Class Labels, In Technical Report of Japanese Society of Artificial Intelligence, SIG-KBS, 2004. [in Japanese] (JSAI Incentive Award)
5. Tetsuo Shibuya, Chris Schoenbach, Hisashi Kashima and Akihiko Konagaya: Accurate cDNA Clustering Algorithm based on Spliced Sequence Alignment, In Technical Report of The Institute for Electronics, Information and Communication Engineers, COMP-2002-9-14, 17-24, 2002.
4. Hisashi Kashima and Teruo Koyanagi: Kernels for Semi-Structured Data, In Technical Report of Japanese Society of Artificial Intelligence, SIG-FAI-A104, 2002. [in Japanese]
3. Hisashi Kashima: Inferring Genetic Networks from Gene Expression Data Using Probabilistic Boolean Network Models, In Technical Report of Japanese Society of Artificial Intelligence, SIG-MBI, 2001. [in Japanese]
2. Hisashi Kashima: Attribute Selection Using Multplicative Update, In Proc. Annual Conference of Japanese Society of Artificial Intelligence, 2001. [in Japanese]
1. Hisashi Kashima and Yasumasa Kajinaga: Optimal Winner Determination Algorithms for E-procurement Auction, In Techinical Report of The Institute for Electronics, Information and Communication Engineers, COMP-2000-57-63, 17-23, 2000.

Technical Reports

6. Yuta Tsuboi and Hisashi Kashima, A New Loss Function with ``Markov Property" for Information Extraction, IBM Research Report, RT0660, 2006.
5. Hisashi Kashima, Koji Tsuda and Akihiro Inokuchi: Marginalized Kernels Between Labeled Graphs, IBM Research Report, 2003.
4. Hisashi Kashima and Teruo Koyanagi: Kernels for Semi-structured Data, IBM Research Report, 2003.
3. Hisashi Kashima: On-line Kernel Principal Component Analysis, IBM Research Report, 2002.
2. Hisashi Kashima: Inferring Genetic Networks from Gene Expression Data Using Probabilistic Boolean Network Models, IBM Research Report, 2002.
1. Hisashi Kashima and Yasumasa Kajinaga: Optimal Winner Determination Algorithms for E-procurement Auction, IBM Research Report, 2000.