論文 - 平田 耕一
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Predicting Mutation Trend of Influenza A Virus through Dimensionality Reduction in Hamming Metric on HA Amino Acid Sequences 査読有り
Tetsuji Kuboyama,Kimihito Ito,Kouichi Hirata,Hiroshi Sakamoto
Annual International Conference on BioInformatics and Computational Biology (BICB 2011) 2011年03月
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Discovering Global Propagation for Influenza A Viruses Based on Robinson-Foulds Distance between Phylogenetic Trees 査読有り
Kazuya Sata,Kouichi Hirata,Kimihito Ito,Tetsuji Kuboyama
Annual International Conference on BioInformatics and Computational Biology (BICB 2011) 2011年03月
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Aligned Bipartite Episodes between the Genera of Bacteria 査読有り
Takashi Katoh,Kouichi Hirata,Hiroki Arimura,Shigeki Yokoyama,Kimiko Matsuoka
Proc. 2010 IEEE/ICME International Conference on Complex Medical Engineering (CME2010) 193 - 197 2010年07月
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Temporal Interrelations of Bacteria Based on the Occurrence Time 査読有り
Kouichi Hirata,Kenishiro Motoyama,Shigeki Yokoyama,Kimiko Matsuoka
Proc. 2010 IEEE/ICME International Conference on Complex Medical Engineering (CME2010) 188 - 192 2010年07月
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Approximating Tree Edit Distance through String Edit Distance for Binary Tree Codes 査読有り
Taku Aratsu,Kouichi Hirata,Tetsuji Kuboyama
Fundamenta Informaticae 101 ( 1 ) 1 - 15 2010年04月
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An Efficient Depth-First Search Algorithm for Extracting Frequent Diamond Episodes from Event Sequences 査読有り
Takashi Katoh,Hiroki Arimura,Kouichi Hirata
情報処理学会論文誌：データベース(TOD) 2 ( 4 ) 1 - 12 2009年12月
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Mining Frequent Bipartite Episode from Event Sequences 査読有り
Takashi Katoh,Hiroki Arimura,Kouichi Hirata
Proc. 12th International Conference on Discovery ScienceLecture Notes in Artificial Intelligence 5808 136 - 151 2009年10月
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Discovering Networks for Global Propagation of Influenza A (H3N2) Viruses by Clustering 査読有り
Kazuya Sata,Kouichi Hirata,Kimihito Ito,Tetsuji Kuboyama
Proc. 13th International Conference on Knowledge-Based and Intelligent Information and Engineering Systems (KES 2009)Lecture Notes in Artificial Intelligence 5712 490 - 497 2009年09月
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Mining Frequent k-Partite Episodes from Event Sequences 査読有り
Takashi Katoh,Hiroki Arimura,Kouichi Hirata
Proc. 6th Workshop on Learning with Logics and Logics for Learning 43 - 50 2009年07月
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Mining Frequent k-Partite Episodes from Event Sequences 査読有り
Takashi Katoh,Hiroki Arimura,Kouichi Hirata
New Frontiers in Artificial Intelligence: Joint JSAI-isAI 2009 Workshops,Lecture Notes in Artificial Intelligence 6284 331 - 344 2009年07月
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Local Frequency Distances for Rooted Ordered Trees 査読有り
Taku Aratsu,Kouichi Hirata,Tetsuji Kuboyama
Proc. 6th Workshop on Learning with Logics and Logics for Learning 11 - 18 2009年07月
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A Polynomial-Delay Polynomial-Space Algorithm for Extracting Frequent Diamond Episodes from Event Sequences 査読有り
Takashi Katoh,Hiroki Arimura,Kouichi Hirata
Proc. 13th Pacific-Asia Conference on Knowledge Discovery and Data MiningLecture Notes in Artificial Intelligence 5476 172 - 183 2009年04月
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Extracting Sequential Episodes Representing Replacements of Bacteria from Bacterial Culture Data 査読有り
Takashi Katoh,Kouichi Hirata,Hiroki Arimura,Shigeki Yokoyama,Kimiko Matsuoka
Proc. 2009 IEEE/ICME International Conference on Complex Medical Engineering (CME2009) 2009年04月
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Approximating Tree Edit Distance through String Edit Distance for Binary Tree Code 査読有り
Taku Aratsu,Kouichi Hirata,Tetsuji Kuboyama
Proc. 35th International Conference on Current Trends in Theory and Practice of Computer Science,Lecture Notes in Computer Science 5404 93 - 104 2009年01月
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On Generating Maximal Acyclic Subhypergraphs with Polynomial Delay 査読有り
Taishin Daigo,Kouichi Hirata
Proc. 35th International Conference on Current Trends in Theory and Practice of Computer Science,Lecture Notes in Computer Science 5404 181 - 192 2009年01月
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二分木符号の文字列編集距離による木の編集距離の近似
荒津拓,平田耕一,久保山哲二
第71回人工知能学会基本問題研究会, 人工知能学会研究会資料 SIG-FPAI-A802 57 - 62 2008年09月
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極大非巡回部分超グラフの多項式遅延列挙アルゴリズム
大梧諦真,平田耕一
第70回人工知能学会基本問題研究会, 人工知能学会研究会資料 SIG-FPAI-A801 1 - 8 2008年07月
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An Efficient Unordered Tree Kernel and Its Application to Glycan Classification 査読有り
Tetsuji Kuboyama,Kouichi Hirata,Kiyoko F. Kinoshita
Proc. 12th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD2008), Lecture Notes in Artificial Intelligence 5012 184 - 195 2008年05月
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A Simple Characterization on Serially Constructible Episodes 査読有り
Takashi Katoh,Kouichi Hirata
Proc. 12th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD2008), Lecture Notes in Artificial Intelligence 5012 600 - 607 2008年05月
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A Tree Distance Function Based on Multi-sets 査読有り
Arnoldo Jose Muller Molina,Kouichi Hirata,Takeshi Shinohara
Proc. ALSIP'08, Working Notes of PAKDD Workshops 90 - 100 2008年05月