■ Conference Papers

1.        Takayoshi Shoudai, Satoshi Matsumoto, and Yusuke Suzuki, Distributional Learning of Regular Formal Graph System of Bounded Degree, Proceedings of the 26th International Conference on Inductive Logic Programming (ILP2016), Lecture Notes in Artificial Intelligence, to appear, 2017.

2.        Seiya Hara and Takayoshi Shoudai, Polynomial Time MAT Learning of C-Deterministic Regular Formal Graph Systems, Proceedings of the 3rd International Conference on Advanced Applied Informatics (IIAI-AAI2014), pages 204-211, 2014.

3.        Yasuhiro Okamoto, Kensuke Koyanagi, Takayoshi Shoudai, and Osamu Maruyama, Discovery of Tree Structured Patterns Using Markov Chain Monte Carlo Method, Proceedings of the 7th IADIS International Conference on Information Systems (IS2014), pages 95-102, 2014.

4.        Hisashi Tsuruta and Takayoshi Shoudai, Structure-based Data Mining and Screening for Network Traffic Data, Proceedings of the 2nd International Conference on Advanced Applied Informatics (IIAI-AAI2013), pages 152-157, 2013.

5.        Yasuhiro Okamoto and Takayoshi Shoudai, Hardness of Learning Unordered Tree Contraction Patterns, Proceedings of the 2nd International Conference on Advanced Applied Informatics (IIAI-AAI2013), pages 141-146, 2013.

6.        Atsushi Okamoto and Takayoshi Shoudai, Mining First-Come-First-Served Frequent Time Sequence Patterns in Streaming Data, Proceedings of the IADIS International Conference on e-Society (ES2013), pages 283-290, 2013.

7.        Yuta Yoshimura and Takayoshi Shoudai, Learning Unordered Tree Contraction Patterns in Polynomial Time, Proceedings of the 22nd International Conference on Inductive Logic Programming (ILP2012), Springer, Lecture Notes in Artificial Intelligence, Vol.7842, pages 257-272, 2013

8.        Yuta Yoshimura, Takayoshi Shoudai, Yusuke Suzuki, Tomoyuki Uchida, and Tetsuhiro Miyahara, Polynomial Time Inductive Inference of Cograph Pattern Languages from Positive Data, Proceedings of the 21st International Conference on Inductive Logic Programming (ILP2011), Springer, Lecture Notes in Artificial Intelligence, Vol.7207, pages 389-404, 2012.

9.        Hisashi Tsuruta, Takayoshi Shoudai, and Jun'ichi Takeuchi, Frequent Sequential Pattern Discovery for Data Screening, Proceedings of the International MultiConference of Engineers and Computer Scientists 2011 (IMECS2011), Vol.I, pages 315-322, 2011.

10.     Hitoshi Yamasaki, Takashi Yamada, and Takayoshi Shoudai, An Expressive Outerplanar Graph Pattern Class and its Efficient Pattern Matching Algorithm, Proceedings of the International MultiConference of Engineers and Computer Scientists 2010 (IMECS2010), Vol.I, pages 471-477, 2010.

11.     Satoshi Kawamoto, Yusuke Suzuki, and Takayoshi Shoudai, Learning Characteristic Structured Patterns in Rooted Planar Maps, Proceedings of the International MultiConference of Engineers and Computer Scientists 2010 (IMECS2010), Vol.I, pages 465-470, 2010.

12.     Takashi Yamada, Hitoshi Yamasaki, and Takayoshi Shoudai, A Polynomial Time Algorithm for Finding a Minimally Generalized Externally Extensible Outerplanar Graph Pattern, Proceedings of the 6th Workshop on Learning with Logics and Logics for Learning (LLLL2009), pages 3-10, 2009.

13.     Yuko Itokawa, Koichiro Katoh, Tomoyuki Uchida, and Takayoshi Shoudai, Dictionary-Based Compression Algorithms for Tree Structured Data, Proceedings of the International MultiConference of Engineers and Computer Scientists 2009 (IMECS2009), Vol.I, pages 580-585, 2009.

14.     Hitoshi Yamasaki and Takayoshi Shoudai, Mining of Frequent Externally Extensible Outerplanar Graph Patterns, Proceedings of the 7th International Conference on Machine Learning and Applications (ICMLA2008), pages 871-876, 2008.

15.     Satoshi Kawamoto, Hitoshi Yamasaki, and Takayoshi Shoudai, A linear time isomorphism algorithm for circular-arc graphs with connected domination number greater than 3, Proceedings of the 11th JAPAN-KOREA Joint Workshop on Algorithms and Computation (WAAC2008), pages 123-130, 2008.

16.     Hitoshi Yamasaki, Yosuke Sasaki, Takayoshi Shoudai, Tomoyuki Uchida, and Yusuke Suzuki, Learning Block Preserving Outerplanar Graph Patterns and its Application to Data Mining, Proceedings of the 18th International Conference on Inductive Logic Programming (ILP2008), Springer, Lecture Notes in Artificial Intelligence, Vol.5194, pages 330-347, 2008.

17.     Yosuke Sasaki, Hitoshi Yamasaki, Takayoshi Shoudai, and Tomoyuki Uchida, Mining of Frequent Block Preserving Outerplanar Graph Structured Patterns, Proceedings of the 17th International Conference on Inductive Logic Programming (ILP2007), Springer, Lecture Notes in Artificial Intelligence, Vol.4894, pages 239-253, 2008.

18.     Rika Okada, Satoshi Matsumoto, Tomoyuki Uchida, Yusuke Suzuki, and Takayoshi Shoudai, Exact Learning of Finite Unions of Graph Patterns from Queries, Proceedings of the 18th International Conference on Algorithmic Learning Theory (ALT2007), Springer, Lecture Notes in Artificial Intelligence, Vol.4754, pages 298-312, 2007.

19.     Hitoshi Yamasaki and Takayoshi Shoudai, A Polynomial Time Algorithm for Finding Linear Interval Graph Patterns, Proceedings of the 4th International Conference on Theory and Applications of Models of Computation (TAMC2007), Springer, Lecture Notes in Computer Science, Vol.4484, pages 67-78, 2007.

20.     Hitoshi Yamasaki and Takayoshi Shoudai, Polynomial Time Inductive Inference of Interval Graph Pattern Languages from Positive Data, Proceedings of the 4th Workshop on Learning with Logics and Logics for Learning (LLLL2006), pages 3-9, 2006.

21.     Yusuke Suzuki, Tetsuhiro Miyahara, Takayoshi Shoudai, Tomoyuki Uchida, and Yasuaki Nakamura, Discovery of Maximally Frequent Tag Tree Patterns with Height-Constrained Variables from Semistructured Web Documents, Proceedings of the International Workshop on Challenges in Web Information Retrieval and Integration (WIRI2005), pages 104-112, 2005.

22.     Ryoji Takami, Yusuke Suzuki, Tomoyuki Uchida, Takayoshi Shoudai, and Yasuaki Nakamura, Polynomial Time Inductive Inference of TTSP Graph Languages from Positive Data, Proceedings of the 15th International Conference on Inductive Logic Programming (ILP2005), Springer, Lecture Notes in Artificial Intelligence, Vol.3625, pages 366-383, 2005.

23.     Kazuhide Aikou, Yusuke Suzuki, Takayoshi Shoudai, Tomoyuki Uchida, and Tetsuhiro Miyahara, A Polynomial Time Matching Algorithm of Ordered Tree Patterns having Height-Constrained Variables, Proceedings of the 16th Annual Symposium on Combinatorial Pattern Matching (CPM2005), Springer, Lecture Notes in Computer Science, Vol.3557, pages 346-357, 2005.

24.     Kazuhide Aikou, Yusuke Suzuki, Takayoshi Shoudai, and Tetsuhiro Miyahara, Automatic Wrapper Generation for Metasearch using Ordered Tree Structured Patterns, Proceedings of the 17th Australian Joint Conference on Artificial Intelligence (AI2004), Springer, Lecture Notes in Artificial Intelligence, Vol.3339, pages 1030-1035, 2004.

25.     Satoshi Matsumoto and Takayoshi Shoudai, Learning of Ordered Tree Languages with Height-Bounded Variables Using Queries, Proceedings of the 15th International Conference on Algorithmic Learning Theory (ALT2004), Springer, Lecture Notes in Artificial Intelligence, Vol.3244, pages 425-439, 2004.

26.     Yusuke Suzuki, Takayoshi Shoudai, Tetsuhiro Miyahara, and Satoshi Matsumoto, Polynomial Time Inductive Inference of Ordered Tree Languages with Height-Constrained Variables from Positive Data, Proceedings of the 8th Pacific Rim International Conference on Artificial Intelligence (PRICAI2004), Springer, Lecture Notes in Artificial Intelligence, Vol.3157, pages 211-220, 2004.

27.     Tetsuhiro Miyahara, Yusuke Suzuki, Takayoshi Shoudai, Tomoyuki Uchida, Kenichi~Takahashi, and Hiroaki~Ueda, Discovery of Maximally Frequent Tag Tree Patterns with Contractible Variables from Semistructured Documents, Proceedings of the 8th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD2004), Springer, Lecture Notes in Artificial Intelligence, Vol.3056, pages 133-144, 2004.

28.     Satoshi Matsumoto, Yusuke Suzuki, Takayoshi Shoudai, Tetsuhiro Miyahara, and Tomoyuki Uchida, Learning of Finite Unions of Tree Patterns with Repeated Internal Structured Variables from Queries, Proceedings of the 14th International Conference on Algorithmic Learning Theory (ALT2003), Springer, Lecture Notes in Artificial Intelligence, Vol.2842, pages 144-158, 2003.

29.     Yusuke Suzuki, Takayoshi Shoudai, Satoshi Matsumoto, Tomoyuki Uchida, and Tetsuhiro Miyahara, Efficient Learning of Ordered and Unordered Tree Patterns with Contractible Variables, Proceedings of the 14th International Conference on Algorithmic Learning Theory (ALT2003), Springer, Lecture Notes in Artificial Intelligence, Vol.2842, pages 114-128, 2003.

30.     Kazunori Yamagata, Tomoyuki Uchida, Takayoshi Shoudai, and Yasuaki Nakamura, An Effective Grammar-Based Compression Algorithm for Tree Structured Data, Proceedings of the 13th International Conference on Inductive Logic Programming (ILP2003), Springer, Lecture Notes in Artificial Intelligence, Vol.2835, pages 383-400, 2003.

31.     Yusuke Suzuki, Takayoshi Shoudai, Satoshi Matsumoto, and Tomoyuki Uchida, Efficient Learning of Unlabeled Term Trees with Contractible Variables from Positive Data, Proceedings of the 13th International Conference on Inductive Logic Programming (ILP2003), Springer, Lecture Notes in Artificial Intelligence, Vol.2835, pages 347-364, 2003.

32.     Yuko Itokawa, Tomoyuki Uchida, Takayoshi Shoudai, Tetsuhiro Miyahara, and Yasuaki Nakamura, Finding Frequent Subgraphs from Graph Structured Data with Geometric Information and Its Application to Lossless Compression, Proceedings of the 7th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD2003), Springer, Lecture Notes in Artificial Intelligence, Vol.2637, pages 582-594, 2003.

33.     Tetsuhiro Miyahara, Yusuke Suzuki, Takayoshi Shoudai, Tomoyuki Uchida, Sachio Hirokawa, Kenichi Takahashi, and Hiroaki Ueda, Extraction of Tag Tree Patterns with Contractible Variables from Irregular Semistructured data, Proceedings of the 7th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD2003), Springer, Lecture Notes in Artificial Intelligence, Vol.2637, pages 430-436, 2003.

34.     Tsunenori Mine, Akira Suganuma, and Takayoshi Shoudai, Categorizing Questions According To A Navigation List For Web-Based Self Teaching System: AEGIS, Proceedings of the 10th International Conference on Computers in Education (ICCE2002), pages 1245-1249, 2002.

35.     Akira Suganuma, Tsunenori Mine, and Takayoshi Shoudai, Dynamic Evaluation of both Students' and Questions' Levels for Generating Appropriate Exercises to Students Automatically, Proceedings of the 5th Joint Conference on Knowledge-Based Software Engineering (JCKBSE2002), IOS Press, Knowledge-Based Software Engineering, Frontiers in Artificial Intelligence and Applications, Vol.80, pages 325-328, 2002.

36.     Akira Suganuma, Tsunenori Mine, and Takayoshi Shoudai, Automatic Generating Appropriate Exercises Based on Dynamic Evaluating both Students' and Questions' Levels, Proceedings of the ED-MEDIA 2002 - World Conference on Educational Multimedia, Hypermedia and Telecommunications, pages 1898-1903, 2002.

37.     Satoshi Matsumoto, Takayoshi Shoudai, Tetsuhiro Miyahara, and Tomoyuki Uchida, Learning of Finite Unions of Tree Patterns with Internal Structured Variables from Queries, Proceedings of the Australian Joint Conference on Artificial Intelligence (AI2002), Springer, Lecture Notes in Artificial Intelligence, Vol.2557, pages 523-534, 2002.

38.     Yusuke Suzuki, Takayoshi Shoudai, Tetsuhiro Miyahara, and Tomoyuki Uchida, Ordered Term Tree Languages Which Are Polynomial Time Inductively Inferable from Positive Data, Proceedings of the 13th International Conference on Algorithmic Learning Theory (ALT2002), Springer, Lecture Notes in Artificial Intelligence, Vol.2533, pages 188-202, 2002.

39.     Osamu Maruyama, Takayoshi Shoudai, and Satoru Miyano, Toward Drawing an Atlas of Hypothesis Classes, Proceedings of the 5th International Conference on Discovery Science (DS2002), Springer, Lecture Notes in Artificial Intelligence, Vol.2534, pages 220-232, 2002.

40.     Yusuke Suzuki, Kotaro Inomae, Takayoshi Shoudai, Tetsuhiro Miyahara, and Tomoyuki Uchida, A Polynomial Time Matching Algorithm of Structured Ordered Tree Patterns for Data Mining from Semistructured Data, Proceedings of the 12th International Conference on Inductive Logic Programming (ILP2002), Springer, Lecture Notes in Artificial Intelligence, Vol.2583, pages 270-284, 2002.

41.     Yusuke Suzuki, Ryuta Akanuma, Takayoshi Shoudai, Tetsuhiro Miyahara, and Tomoyuki Uchida, Polynomial Time Inductive Inference of Ordered Tree Patterns with Internal Structured Variables from Positive Data, Proceedings of the 15th Annual Conference on Computational Learning Theory (COLT2002), Springer, Lecture Notes in Artificial Intelligence, Vol.2375, pages 169-184, 2002.

42.     Kazuyoshi Furukawa, Tomoyuki Uchida, Kazuya Yamada, Tetsuhiro Miyahara, Takayoshi Shoudai, and Yasuaki Nakamura, Extracting Characteristic Structures among Words in Semistructured Documents, Proceedings of the 5th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD2002), Springer, Lecture Notes in Artificial Intelligence, Vol.2336, pages 356-367, 2002.

43.     Tetsuhiro Miyahara, Yusuke Suzuki, Takayoshi Shoudai, Tomoyuki Uchida, Kenichi Takahashi, and Hiroaki Ueda, Discovery of Frequent Tag Tree Patterns in Semistructured Web Documents, Proceedings of the 5th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD2002), Springer, Lecture Notes in Artificial Intelligence, Vol.2336, pages 341-355, 2002.

44.     Osamu Maruyama, Takayoshi Shoudai, Emiko Furuichi, Satoru Kuhara, and Satoru Miyano, Learning Conformation Rules, Proceedings of the 4th International Conference on Discovery Science (DS2001), Springer, Lecture Notes in Artificial Intelligence, Vol.2226, pages 243-257, 2001.

45.     Takayoshi Shoudai, Tomoyuki Uchida, and Tetsuhiro Miyahara, Polynomial time algorithms for finding unordered tree patterns with internal variables, Proceedings of the 13th International Symposium Fundamentals of Computation Theory (FCT2001), Springer, Lecture Notes in Computer Science, Vol.2138, pages 335-346, 2001.

46.     Tetsuhiro Miyahara, Takayoshi Shoudai, Tomoyuki Uchida, Kenichi Takahashi, and Hiroaki Ueda, Discovery of Frequent Tree Structured Patterns in Semistructured Web Documents, Proceedings of the 4th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD2001), Springer, Lecture Notes in Artificial Intelligence, Vol.2035, pages 47-52, 2001.

47.     Takayoshi Shoudai, Akira Suganuma, and Tsunenori Mine, AEGIS: Automatic Exercise Generator with Tagged Documents based on the Intelligence of Students, Proceedings of the 4th Joint Conference on Knowledge-Based Software Engineering (JCKBSE2000), IOS Press, Knowledge-Based Software Engineering, Frontiers in Artificial Intelligence and Applications, Vol.62, pages 311-314, 2000.

48.     Takayoshi Shoudai, Tetsuhiro Miyahara, Tomoyuki Uchida, and Satoshi Matsumoto, Inductive Inference of Regular Term Tree Languages and Its Application to Knowledge Discovery,  Proceedings of the 9th European-Japanese Conference on Information Modelling and Knowledge Bases, IOS Press, Information Modelling and Knowledge Bases XI, Frontiers in Artificial Intelligence and Applications, Vol.61, pp.85-102, 2000.

49.     Tsunenori Mine, Takayoshi Shoudai, and Akira Suganuma, Automatic  Exercise  Generator  with  Tagged  Documents Considering Learner's Performance, Proceedings of the WebNet 2000, World Conference on WWW and Internet, pages 779-780, 2000.

50.     Tsunenori Mine, Akira Suganuma, and Takayoshi Shoudai, The Design and Implementation of Automatic Exercise Generator with Tagged Documents based on the Intelligence of Students: AEGIS, Proceedings of the 6th International Conference on Computers in Education (ICCE2000), Vol.1, pages 651-658, 2000.

51.     Karam Gouda, Takayoshi Shoudai, and Kazuo Ushijima, DASS: A Discovery Agent Supporting System, Proceedings of the 2nd ICSC Symposium Engineering of Intelligent Systems (EIS2000), pages 573-579, 2000.

52.     Tomoyuki Uchida, Yuko Itokawa, Takayoshi Shoudai, Tetsuhiro Miyahara, and Yasuaki Nakamura, A New Framework for Discovering Knowledge from Two-Dimensional Structured Data Using Layout Formal Graph System, Proceedings of the 11th International Conference on Algorithmic Learning Theory (ALT2000), Springer, Lecture Notes in Artificial Intelligence, Vol.1968, pages 141-155, 2000.

53.     Tetsuhiro Miyahara, Takayoshi Shoudai, Tomoyuki Uchida, Kenichi Takahashi, and Hiroaki Ueda, Polynomial Time Matching Algorithms for Tree-like Structured Patterns in Knowledge Discovery, Proceedings of the 4th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD2000), Springer, Lecture Notes in Artificial Intelligence, Vol.1805, pages 5-16, 2000.

54.     Tetsuhiro Miyahara, Takayoshi Shoudai, Tomoyuki Uchida, Tetsuji Kuboyama, Kenichi Takahashi, and Hiroaki Ueda, Discovering New Knowledge from Graph Data Using Inductive Logic Programming, Proceedings of the 9th International Workshop on Inductive Logic Programming (ILP'99), Springer, Lecture Notes in Artificial Intelligence, Vol.1634, pages 222-233, 1999.

55.     Tsunenori Mine, Daisuke Nagano, Kensuke Baba, Takayoshi Shoudai, and Sachio~Hirokawa, On-Web-Visualizing a Mechanism of a Single Chip Computer for Computer Literacy Courses, Proceedings of the 6th International Conference on Computers in Education (ICCE'98), Vol.2, pages 496-499, 1998.

56.     Osamu Maruyama, Tomoyuki Uchida, Takayoshi Shoudai, and Satoru Miyano, Toward Genomic Hypothesis Creator: View Designer for Discovery, Proceedings of the 1st International Conference on Discovery Science (DS'98), Springer, Lecture Notes in Artificial Intelligence, Vol.1532, pages 105-116, 1998.

57.     Hiroyuki Sato, Tsunenori Mine, Takayoshi Shoudai, Hiroki Arimura, and Sachio Hirokawa, On-Web-Visualizing How Programs Run for Teaching 2300 Students, Proceedings of the 5th International Conference on Computers in Education (ICCE'97), pages 952-954, 1997.

58.     Satoshi Matsumoto, Yukiko Hayashi, and Takayoshi Shoudai, Polynomial time inductive inference of regular term tree languages from positive data, Proceedings of the 8th International Workshop on Algorithmic Learning Theory (ALT'97), Springer, Lecture Notes in Artificial Intelligence, Vol.1316, pages 212-227, 1997.

59.     Sachio Hirokawa, Tetsuhiro Miyahara, Tsunenori Mine, Takayoshi Shoudai, and Masao Mori, Teaching 2300 Students with WEB - Practice and Experience at Kyushu University, Proceedings of the International Symposium on Educational Revolution with Internet (ERI'96), pages 59-63, 1996.

60.     Takayoshi Shoudai, Michael Lappe, Satoru Miyano, Ayumi Shinohara, Takeo Okazaki, Setsuo Arikawa, Tomoyuki Uchida, Shin-ichi Shimozono, Takeshi Shinohara, and Satoru Kuhara, BONSAI Garden: Parallel Knowledge Discovery System for Amino Acid Sequences, Proceedings of the 3rd International Conference on Intelligent Systems for Molecular Biology (ISMB'95), pages 359-366, 1995.

61.     Takayoshi Shoudai, and Satoru Miyano, Using Maximal Independent Sets to Solve Problems in Parallel, Proceedings of the 17th International Workshop on Graph-Theoretic Concepts in Computer Science (WG'91), Springer, Lecture Notes in Computer Science, Vol.570, pages 126-134, 1992.

62.     Takayoshi Shoudai, and Satoru Miyano, Bounded degree maximal subgraph problems are in NC, Proceedings of Toyohashi Symposium on Theoretical Computer Science, pages 97-101, 1990.


Takayoshi Shoudai

shoudai (at) isb.kiu.ac.jp