Shohei Hido

Research Area

• Outlier detection and Change analysis
• Machine learning using meta algorithms
• Semi-structured data mining

Publication

[Journal Papers]

• Shohei Hido, Hiroyuki Kawano, ``A Fast Algorithm for Mining Frequent Ordered Subtrees,'' IEICE Transactions on Information and Systems (Japanese Edition), pp.163-171, vol.J89-D, no.2, February, 2006 (in Japanese).

[International Conferences]

• Shohei Hido, Tsuyoshi Ide, Hisashi Kashima, Harunobu Kubo and Hirofumi Matsuzawa, ``Unsupervised Change Analysis using Supervised Learning``, Proc. of the 12th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD2008), 20--23 May, Osaka, Japan, 2008 (to appear).
• Shohei Hido and Hisashi Kashima, ``Roughly Balanced Bagging for Imbalanced Data'', Proc. of the 2008 SIAM International Conference on Data Mining (SDM2008), 24--26 April, Atlanta, Georgia, USA, 2008 (to appear).
• Yuta Tsuboi, Hisashi Kashima, Shohei Hido, Steffen Bickel and Masashi Sugiyama, ``Direct Density Ratio Estimation for Large-scale Covariate Shift Adaptation'', Proc. of the 2008 SIAM International Conference on Data Mining (SDM2008), 24--26 April, Atlanta, Georgia, 2008 (to appear).
• 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'', In IEEE ICDM Data Mining Contest 2007, 28--31 October, Omaha Nebraska, 2007 (winner for Task1 out of 15 teams).
• Shoko Suzuki, Hisashi Kashima, Shohei Hido, Yuta Tsuboi, 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 2007 , 28--31 October, Omaha Nebraska, USA, 2007 (2nd runner-up for Task2 out of 17 teams).
• Shohei Hido, Hiroyuki Kawano, ``AMIOT: Induced Ordered Tree Mining in Tree-structured Databases,'' Proc. of the Fifth IEEE International Conference on Data Mining (ICDM2005), pp.170-177, 27--30 November, Houston, Texas, 2005.

[Domestic Conferences]

• Shohei Hido, Yuta Tsuboi, Hisashi Kashima, Masashi Sugiyama, ``Novelty detection by Density Ratio Estimation'', Proc. of the 2007 Workshop on Information-Based Induction Sciences (IBIS2007), pp.197-204, 5--7 November, 2007.
• Shohei Hido, Hiroyuki Kawano, ``Frequent Ordered Subtree Discovery Algorithm Using Left-Right Tree Join,'' Proc. of the 16th IEICE Data Engineering Workshop (DEWS2005), 6C-i9, 28 February--2 March, 2005 (Presentation Award, in Japanese).
• Shohei Hido, Hiroyuki Kawano, ``Performance Evaluation of Similarity Search Module and Application for Cell Simulator,'' Proc. of the Joint Workshop of Vietnamese Society of AI, SIGKBS-JSAI, ICS-IPSJ and IEICE-SIGAI on Active Mining (2004-ICS-138), pp.169-174, 4--7 December, Hanoi, Vietnam, 2004.
• Shohei Hido, Takayuki Itoh, Koji Koyamada, Koji Sakai, Nobuaki Sarai, ``Application of Web Service Software for Parameter Optimization System on Cell Simulator,'' The Fourth JSBi Workshop on Systems Biology, 27 August, 2004 (in Japanese).
• Shohei Hido*, Hirokazu Nishio*, Kennosuke Wada, Yoshiko Wada, Toshimichi Ikemura, Shigehiko Kanaya, ``Visualization of Whole Genome,'' Proc. of the 44th IPSJ Programming Symposium, pp.55-62, 8--10 January, 2003 (Yamauchi Incentive Award, *Equally Contributed, in Japanese).

[Others]

• Shohei Hido, Hiroyuki Kawano, ``Proposal of Efficient Enumeration Method for Frequent Ordered Subtree Discovery,'' DBSJ Letters, vol.4, no.1, pp.165-168, June, 2005 (in Japanese).
• Shohei Hido, Nobuaki Sarai, Keiichi Asakura, Takayuki Itoh, Koji Koyamada, Hiroyuki Kawano, Akinori Noma, ``Extrapolation Method of the Drug Effects on Cardiac Action Potential by the Combination of Models and Experiments,'' Proc. of the Fifth International Conference on Systems Biology (ICSB2004), pp.381, 9--13 October, Heidelberg, Germany, 2004 (Poster).

Award / Grant

• 2002.8 "Visualization of Genome Using 4-dimensional Graph", Adopted in IPA Exploratory Software Project Youth Division 2002 (Co-work with Hirokazu Nishio).
• 2003.1 Yamauchi Incentive Award, the 44th IPSJ Programming Symposium.
• 2003.7 Super Creator Award, IPA Exploratory Software Project Youth Division 2002.
• 2005.3 Presentation Award, DEWS2005.

History

• 2000.3 Graduate from Funabashi Prefectural High School, Chiba, Japan.
• 2004.3 Bachelor of Engineering from Applied Mathematics and Physics Course, School of Informatics and Mathematical Science, Kyoto University, Japan.
• 2006.3 Master of Informatics from Department of Systems Science, Graduate School of Informatics, Kyoto University, Japan.