Book and thesis
Papers
Parameterized Formal Graph Systems and Their Polynomial-Time PAC learnability IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences (Co-authored) 2023
Papers
An Efficient Learning Algorithm for Regular Pattern Languages Using One Positive Example and a Linear Number of Membership Queries IEICE Transactions on Information and Systems E103.D (3),pp.526-539 (Co-authored) 2020/03
Papers
Enumeration of Maximally Frequent Ordered Tree Patterns with Height-Constrained Variables for Trees IPSJ Transactions on Mathematical Modeling and its Applications 12 (3),pp.78-88 (Co-authored) 2019/12
Papers
Using Label Information in a Genetic Programming Based Method for Acquiring Block Preserving Outerplanar Graph Patterns with Wildcards Proc. 2019 International Workshop on Computational Intelligence and Applications (IWCIA 2019) (Co-authored) 2019/11
Papers
Exact Learning of Primitive Formal Systems Defining Labeled Ordered Tree Languages via Queries IEICE Transactions on Information and Systems E102.D (3),pp.470-482 (Co-authored) 2019/03
Papers
Exact Learning of Regular Pattern Languages from One Positive Example Using a Linear Number of Membership Queries Proc. 2019 International MultiConference of Engineers and Computer Scientists (Co-authored) 2019/03
Papers
Evolutionary Learning of Multiple TTSP Graph Structured Patterns from Positive and Negative TTSP Graph Data: Its Graph Pattern Display System and Performance Evaluation Proc. 22nd Asia Pacific Symposium on Intelligent and Evolutionary Systems (IES 2018) (Co-authored) 2018/12
Papers
Acquisition of Characteristic Sets of Block Preserving Outerplanar Graph Patterns by a Two-Stage Evolutionary Learning Method for Graph Pattern Sets International Journal of Computational Intelligence Studies 7 (3-4),pp.270-288 (Co-authored) 2018/11
Papers
Aggregative Context-Aware Fitness Functions based on Feature Selection for Evolutionary Learning of Characteristic Graph Patterns Vietnam Journal Of Computer Science 5 (3-4),pp.229-239 (Co-authored) 2018/09
Papers
An Efficient Pattern Matching Algorithm for Unordered Term Tree Patterns of Bounded Dimension IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences E101-A (9),pp.1344-1354 (Co-authored) 2018/09
Papers
Learning of Primitive Formal Systems Defining Labelled Ordered Tree Languages via Queries CEUR Workshop Proceedings,Vol-2085 (Co-authored) 2018/03
Papers
Polynomial Time Learnability of Graph Pattern Languages Defined by Cographs IEICE Transactions on Information and Systems E101-D (3),pp.582-592 (Co-authored) 2018/03
Papers
Enumeration Algorithms for All Characteristic Paths and Subtrees from Structurally Compressed Tree-Structured Data IAENG International Journal of Computer Science 45 (1),pp.206-218 (Co-authored) 2018/02
Papers
Acquisition of Multiple Block Preserving Outerplanar Graph Patterns by an Evolutionary Method for Graph Pattern Sets Proc. 2017 International Workshop on Computational Intelligence and Applications (IWCIA 2017) (Co-authored) 2017/11
Papers
Multiple Alignments of Data Objects and Generalized Center Star Algorithm Fuzzy Systems and Data Mining III - Proc. FSDM 2017 (Co-authored) 2017/11
Papers
Acquisition of Multiple Graph Structured Patterns by an Evolutionary Method using Sets of TTSP Graph Patterns as Individuals Proc. 2017 IIAI International Conference on Advanced Applied Informatics (IIAI AAI 2017) (Co-authored) 2017/07
Papers
Enumeration of Maximally Frequent Ordered Tree Patterns with Wildcards for Edge Labels IPSJ Transactions on Mathematical Modeling and its Applications 10 (2),pp.59-69 (Co-authored) 2017/07
Papers
A Context-Aware Fitness Function Based on Feature Selection for Evolutionary Learning of Characteristic Graph Patterns Springer-Verlag, Lecture Notes in Artificial Intelligence 10191 (Co-authored) 2017/04
Papers
Algorithm for Enumerating all Frequent Paths from Structurally Compressed Tree-Structured Data Graph Patterns Proc. 2017 International MultiConference of Engineers and Computer Scientists (Co-authored) 2017/03
Papers
Polynomial Time Inductive Inference of Languages of Ordered Term Tree Patterns with Height-Constrained Variables from Positive Data IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences E100-A (3),pp.785-802 (Co-authored) 2017/03
Papers
Using Canonical Representations of Block Tree Patterns in Acquisition of Characteristic Block Preserving Outerplanar Graph Patterns Proc. 2016 International Workshop on Computational Intelligence and Applications (IWCIA 2016) (Co-authored) 2016/11
Papers
Acquisition of Characteristic Block Preserving Outerplanar Graph Patterns by Genetic Programming using Label Information Proc. 2016 IIAI International Conference on Advanced Applied Informatics (IIAI AAI 2016) (Co-authored) 2016/07
Papers
Acquisition of Characteristic Block Preserving Outerplanar Graph Patterns from Positive and Negative Data using Genetic Programming and Tree Representation of Graph Patterns Proc. 2015 International Workshop on Computational Intelligence and Applications (IWCIA 2015) (Co-authored) 2015/11
Papers
Acquisition of Multiple Tree Structured Patterns by an Evolutionary Method using Sets of Tag Tree Patterns as Individuals Proc. 2015 IIAI International Conference on Advanced Applied Informatics (IIAI AAI 2015) (Co-authored) 2015/07
Papers
An Efficient Pattern Matching Algorithm for Ordered Term Tree Patterns IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences E98-A (6),pp.1197-1211 (Co-authored) 2015/06
Papers
Acquisition of Characteristic Sets of Tree Patterns with VLDC's Using Genetic Programming and Edit Distance Proc. 2014 International Workshop on Computational Intelligence and Applications (IWCIA 2014) (Co-authored) 2014/11
Papers
Learning of Glycan Motifs Using Genetic Programming and Various Fitness Functions Journal of Advanced Computational Intelligence and Intelligent Informatics 18 (3),pp.401-408 (Co-authored) 2014/05
Papers
Ordered Graph Patterns Which Are Polynomial Time Inductively Inferable from Positive Data Proc. IADIS Internatinal Conference Information Systems 2014 (Co-authored) 2014/03
Papers
Acquisition of Characteristic Tree Patterns with VLDC's by Genetic Programming and Edit Distance Proc. 2013 IIAI International Conference on Advanced Applied Informatics (IIAI AAI 2013) (Co-authored) 2013/09
Papers
Acquisition of Characteristic Tree Patterns with VLDC's by Genetic Programming Proc. IADIS Internatinal Conference Information Systems 2013 (Co-authored) 2013/03
Papers
Acquisition of Glycan Motifs using Genetic Programming and Various Fitness Functions Proc. SCIS-ISIS-2012 (Co-authored) 2012/11
Papers
Acquisition of Characteristic TTSP Graph Patterns by Genetic Programming Proc. 2012 IIAI International Conference on Advanced Applied Informatics (IIAI AAI 2012) (Co-authored) 2012/09
Papers
Polynomial Time Inductive Inference of Cograph Pattern Languages from Positive Data 21st International Conference on Inductive Logic Programming (Co-authored) 2011/08
Papers
Enumerating Maximally Frequent TTSP Graph Patterns Proc. 7th Workshop on Learning with Logics and Logics for Learning (Co-authored) 2011/03
Papers
Learning of Multiple Tree Structured Patterns using Clustering and Evolution Proc. IADIS Internatinal Conference Information Systems 2011 (Co-authored) 2011/03
Papers
Evolution of Multiple Tree Structured Patterns using Soft Clustering Proc. 2nd International Conferencae on Computer and Automation Enginering (Co-authored) 2010/02
Papers
Learning of Finite Unions of Tree Patterns with Repeated Internal Structured Variables from Queries IPSJ Transactions on Mathematical Modeling and its Applications 2 (3),pp.127-137 (Co-authored) 2009/12
Papers
Learning of Elementary Formal Systems with Two Clauses using Queries IEICE Transactions on Information and Systems E92-D (2),pp.172-180 (Co-authored) 2009/02
Papers
Evolution of Multiple Tree Structured Patterns from Tree-Structured Data using Clustering Springer-Verlag, Lecture Notes in Artificial Intelligence (Co-authored) 2008/12
Papers
State Space Segmentation for Acquisition of Agent Behavior Web Intelligence and Agent Systems: An International Journal 6 (4),pp.373-385 (Co-authored) 2008/10
Papers
Learning of Finite Unions of Tree Patterns with Internal Structured Variables from Queries IEICE Transactions on Information and Systems E91-D (2),pp.222-230 (Co-authored) 2008/02
Papers
A Genetic Programming Approach to Extraction of Glycan Motifs Using Tree Structured Patterns Springer-Verlag, Lecture Notes in Artificial Intelligence (Co-authored) 2007/12
Papers
Acquiring Classification Rules by using Adaptive Resonance Theory Proc. 2007 IEEE International Conference on System, Man and Cybernetics (Co-authored) 2007/10
Papers
Resilience Evaluation of Digital Watermarking Methods Based on Orthogonal Transforms Proc. 2007 IEEE International Conference on System, Man and Cybernetics (Co-authored) 2007/10
Papers
Learnability of Recursively Enumerable Sets Recursive Real-Valued Functions Proc. Computability in Europe 2007 (Co-authored) 2007/06
Papers
A comparative study of parallel reinforcement learning methods with a PC cluster system Proc. of The 2006 IEEE/WIC/ACM International Conference on Intelligent Agent Technology (Co-authored) 2006/12
Papers
Evolution of characteristic tree structured patterns from semistructured documents Springer-Verlag, Lecture Notes in Artificial Intelligence (Co-authored) 2006/12
Papers
State space segmentation for ac-quisition of agent behavior Proc. of The 2006 IEEE/WIC/ACM International Conference on Intelligent Agent Technology (Co-authored) 2006/12
Papers
Finite Prediction of Recursive Real-Valued Function Proc. Computability in Europe 2006 (Co-authored) 2006/06
Papers
Prediction of real-valued functions from finite examples Springer-Verlag, Lecture Notes in Artificial Intelligence (Co-authored) 2006/06
Papers
Categorization of Continuous Numeric Percepts by the Modified Fuzzy ART with Q-Learning International Journal of Pattern Recognition and Artificial Intelligence 20 (2),pp.113-127 (Co-authored) 2006/03
Papers
Ordered term tree languages which are polynomial time inductively inferable from positive data Theoretical Computer Science 350,pp.63-90 (Co-authored) 2006/02
Papers
A theoretical analysis of tree edit distance measures IPSJ Transactions on Mathematical Modeling and its Applications 46 (SIG17 (TOM 13)),pp.31-45 (Co-authored) 2005/12
Papers
A study on face similarity using knowledge processing methods Proc. IEEE Region 10 International Conference 2005 (Co-authored) 2005/11
Papers
Macroaction synthesis for agent systems Proc. IEEE Region 10 International Conference 2005 (Co-authored) 2005/11
Papers
A theoretical analysis of alignment and edit problems for trees Springer-Verlag, Lecture Notes in Computer Science (Co-authored) 2005/10
Papers
Learning of elementary formal systems with two clauses using queries Springer-Verlag, Lecture Notes in Artificial Intelligence (Co-authored) 2005/10
Papers
A student agent in a CAI system Proc.The 2005 IEEE/WIC/ACM International Conference on Intelligent Agent Technology, Compiegne (Co-authored) 2005/09
Papers
Fuzzy q-learning with the modified fuzzy art neural network Proc. of The 2005 IEEE/WIC/ACM International Conference on Intelligent Agent Technology (Co-authored) 2005/09
Papers
Categorization of continuous numeric percepts by the modified fuzzy art with q-learning Proc. of International Conference on Intelligent Computing 2005 (Co-authored) 2005/08
Papers
Polynomial Time Matching Algorithm of Ordered Tree Patterns Having Height-Constrained Variables Springer-Verlag, Lecture Notes in Computer Science (Co-authored) 2005/06
Papers
The Prediction of Recursive Real-Valued Functions Proc. Computability in Europe 2005 (Co-authored) 2005/06
Papers
Discovery of maximally frequent tag tree patterns with height-constrained variables from semistructured web documents Proc. of International Workshop on Challenges in Web Information Retrieval and Integration (WIRI-2005), IEEE Computer Society (Co-authored) 2005/04
Papers
Refutability and Rliability for Inductive Inference of Recursive Real-Valued Functions IPSJ Transactions on Mathematical Modeling and its Applications 46 (No.SIG2 (TOM 11)),pp.1-11 (Co-authored) 2005/01
Papers
Automatic Wrapper Generation for Metasearch Using Ordered Tree Structured Patterns Springer-Verlag, Lecture Notes in Artificial Intelligence (Co-authored) 2004/12
Papers
Acquisition of reciprocal altruism in a multi-agent system Proc. IEEE Region 10 International Conference on Analog and Digital Techniques in Electrical Eingineering (Co-authored) 2004/11
Papers
Agent learning in simulated soccer by fuzzy Q-learning Proc. IEEE Region 10 International Conference on Analog and Digital Techniques in Electrical Eingineering (Co-authored) 2004/11
Papers
Categorization of continuous numeric percepts for reinforcement learning Proc. IEEE Region 10 International Conference on Analog and Digital Techniques in Electrical Eingineering (Co-authored) 2004/11
Papers
Polynomial Time Inductive Inference of Ordered Tree Languages with Height-Constrained Variables from Positive Data Springer-Verlag, Lecture Notes in Artificial Intelligence (Co-authored) 2004/08
Papers
Discovery of maximally frequent tag tree patterns with contractible variables from semistructured documents Springer-Verlag, Lecture Notes in Artificial Intelligence (Co-authored) 2004/05
Papers
Semi-Automatic Construction of Metadata from a Series of Web Documents Springer-Verlag, Lecture Notes in Artificial Intelligence (Co-authored) 2003/12
Papers
Acquisition of a state transition graph using genetic network programming techniques Proc. IEEE Region 10 International Conference on Convergent Technologies for the Asia-Pacific (Co-authored) 2003/10
Papers
Efficient Learning of Ordered and Unordered Tree Patterns with Contractible Variables Springer-Verlag, Lecture Notes in Artificial Intelligence (Co-authored) 2003/10
Papers
Learning of Finite Unions of Tree Patterns with Repeated Internal Structured Variables from Queries Springer-Verlag, Lecture Notes in Artificial Intelligence (Co-authored) 2003/10
Papers
Dynamic formation change in simulated soccer using formations obtained by genetic algorithms Proc. The 7th World Multiconference on Systemics, Cybernetics, and Infomatics (Co-authored) 2003/07
Papers
Extraction of Tag Tree Patterns with Contractible Variables from Irregular Semistructured Data 'jointlr worked' Springer-Verlag, Lecture Notes in Artificial Intelligence (Co-authored) 2003/05
Papers
Finding Frequent Subgraphs from Graph Structured Data with Geometric Information and Its Application to Lossless Compression Springer-Verlag, Lecture Notes in Artificial Intelligence (Co-authored) 2003/05
Papers
Criteria for Inductive Inference with Mind Changes and Anomalies of Recursive Real-valued Functions IEICE Transactions on Information and Systems E86-D (2),pp.219－227 (Co-authored) 2003/02
Papers
Discovery of frequent tag tree patterns in semistructured web documents 'jointly worked' Springer-Verlag, Lecture Notes in Artificical Intelligence (Co-authored) 2002/05
Papers
Discovery of frequent tree structured patterns in semistructured wed documents 'jointly worked' Springer-Verlag, Lecture Notes in Artificial Intelligence (Co-authored) 2001/04
Papers
Discovering knowledge from graph structured date by using refutably inductive inference of formal graph systems IEICE Transactions on Information and Systems E84-D(1),pp.48-56 (Co-authored) 2001/01
Papers
Polynomial time matching algorithms for tree-like structured patterns in knowledge discovery Springer-Verlag, Lecture Notes in Artificial Intelligence (Co-authored) 2000/04
Papers
Inductive inference of regular term tree languages and its application to knowledge discovery IOS Press, Information Modelling and Knowldge Bases XI (Co-authored) 2000/01
Papers
Discovering new knowledge from graph data using inductive logic programming Springer-Verlag, Lecture Notes in Artificial Intelligence (Co-authored) 1999/06
Papers
KD-FGS: a knowledge discovery system from graph data using formal graph system Springer-Verlag, Lecture Notes in Artificial Intelligence (Co-authored) 1999/04
Papers
Refutable inference of functions computed by loop programs Information Modelling and Knowledge Bases VIII (Sole-authored) 1997/07
Papers
Analogical reasoning using elementary formal system with mismatch Proc.of 2nd Workshop on Algorithmic Learning Theory (Sole-authored) 1991/10
Papers
Query processing for structured text as a relation Information Modelling and Knowledge Bases (Co-authored) 1990/06
Papers
A reasoning system using inductive inference of analogical union Bulletin of Informatics and Cybernetics 23 (3-4),pp.121-128 (Sole-authored) 1989/03
Papers
Inductive inference by iteratively working and consistent strategies with anomalies Bulletin on Informatics and Cybernetics 22 (3-4),pp.171-177 (Sole-authored) 1987/03