Yoshiaki Okubo

According to our database, Yoshiaki Okubo authored at least 40 papers between 1994 and 2018.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2018

Finding Concepts of Music Objects with Unexpected Multi-labels Based on Shared Subspace Method.

Makoto Haraguchi, Yoshiaki Okubo

Proceedings of the 7th International Congress on Advanced Applied Informatics, 2018

Finding Concepts with Unexpected Multi-Label Objects Based on Shared Subspace Method.

Hongjie Zhai, Makoto Haraguchi, Yoshiaki Okubo, HeYu Liu

Proceedings of the Fourteenth International Conference on Concept Lattices and Their Applications, 2018

2017

Mining Frequent Closed Set Distinguishing One Dataset from Another from a Viewpoint of Structural Index.

Yoshiaki Okubo, Makoto Haraguchi

Proceedings of the Machine Learning and Data Mining in Pattern Recognition, 2017

2016

A fast and complete algorithm for enumerating pseudo-cliques in large graphs.

Hongjie Zhai, Makoto Haraguchi, Yoshiaki Okubo, Etsuji Tomita

Int. J. Data Sci. Anal., 2016

A Fast and Complete Enumeration of Pseudo-Cliques for Large Graphs.

Hongjie Zhai, Makoto Haraguchi, Yoshiaki Okubo, Etsuji Tomita

Proceedings of the Advances in Knowledge Discovery and Data Mining, 2016

Enumerating Maximal Isolated Cliques Based on Vertex-Dependent Connection Lower Bound.

Yoshiaki Okubo, Makoto Haraguchi, Etsuji Tomita

Proceedings of the Machine Learning and Data Mining in Pattern Recognition, 2016

2015

Enumerating Maximal Clique Sets with Pseudo-Clique Constraint.

Hongjie Zhai, Makoto Haraguchi, Yoshiaki Okubo, Etsuji Tomita

Proceedings of the Discovery Science - 18th International Conference, 2015

2014

Detecting Maximum k-Plex with Iterative Proper ℓ-Plex Search.

Yoshiaki Okubo, Masanobu Matsudaira, Makoto Haraguchi

Proceedings of the Discovery Science - 17th International Conference, 2014

2013

Shifting Concepts to Their Associative Concepts via Bridges.

Hongjie Zhai, Makoto Haraguchi, Yoshiaki Okubo, Kiyota Hashimoto, Sachio Hirokawa

Proceedings of the Machine Learning and Data Mining in Pattern Recognition, 2013

Relational Change Pattern Mining Based on Modularity Difference.

Yoshiaki Okubo, Makoto Haraguchi, Etsuji Tomita

Proceedings of the Multi-disciplinary Trends in Artificial Intelligence, 2013

2012

Contrasting Correlations by an Efficient Double-Clique Condition.

Aixiang Li, Makoto Haraguchi, Yoshiaki Okubo

Trans. Mach. Learn. Data Min., 2012

Top-N Minimization Approach for Indicative Correlation Change Mining.

Aixiang Li, Makoto Haraguchi, Yoshiaki Okubo

Proceedings of the Machine Learning and Data Mining in Pattern Recognition, 2012

Finding What Changes for Two Graphs Constructed from Different Time Intervals.

Aixiang Li, Makoto Haraguchi, Yoshiaki Okubo, Etsuji Tomita

Proceedings of the IIAI International Conference on Advanced Applied Informatics, 2012

Finding Top-N Colossal Patterns Based on Clique Search with Dynamic Update of Graph.

Yoshiaki Okubo, Makoto Haraguchi

Proceedings of the Formal Concept Analysis - 10th International Conference, 2012

Structural Change Pattern Mining Based on Constrained Maximal k-Plex Search.

Yoshiaki Okubo, Makoto Haraguchi, Etsuji Tomita

Proceedings of the Discovery Science - 15th International Conference, 2012

2011

Finding Top-N Chance Patterns with KeyGraph $^{\tiny \textregistered}$ -Based Importance.

Yoshiaki Okubo, Makoto Haraguchi, Sachio Hirokawa

Proceedings of the Knowlege-Based and Intelligent Information and Engineering Systems, 2011

2010

An Algorithm for Extracting Rare Concepts with Concise Intents.

Yoshiaki Okubo, Makoto Haraguchi

Proceedings of the Formal Concept Analysis, 8th International Conference, 2010

Finding Rare Patterns with Weak Correlation Constraint.

Yoshiaki Okubo, Makoto Haraguchi, Takeshi Nakajima

Proceedings of the ICDMW 2010, 2010

2009

Finding Top-<i>N</i> Pseudo Formal Concepts with Core Intents.

Yoshiaki Okubo, Makoto Haraguchi

Proceedings of the Machine Learning and Data Mining in Pattern Recognition, 2009

2008

Implicit Groups of Web Pages as Constrained Top N Concepts.

Aixiang Li, Makoto Haraguchi, Yoshiaki Okubo

Proceedings of the 2008 IEEE/WIC/ACM International Conference on Web Intelligence and International Conference on Intelligent Agent Technology, 2008

2007

Data Mining of Time-Series Medical Data by Formal Concept Analysis.

Kenji Sato, Yoshiaki Okubo, Makoto Haraguchi, Susumu Kunifuji

Proceedings of the Knowledge-Based Intelligent Information and Engineering Systems, 2007

2006

Finding Conceptual Document Clusters with Improved Top-N Formal Concept Search.

Yoshiaki Okubo, Makoto Haraguchi

Proceedings of the 2006 IEEE / WIC / ACM International Conference on Web Intelligence (WI 2006), 2006

An Extended Branch and Bound Search Algorithm for Finding Top- <i>N</i> Formal Concepts of Documents.

Makoto Haraguchi, Yoshiaki Okubo

Proceedings of the New Frontiers in Artificial Intelligence, 2006

2005

Discovery of Hidden Correlations in a Local Transaction Database Based on Differences of Correlations.

Tsuyoshi Taniguchi, Makoto Haraguchi, Yoshiaki Okubo

Proceedings of the Machine Learning and Data Mining in Pattern Recognition, 2005

Finding Significant Web Pages with Lower Ranks by Pseudo-Clique Search.

Yoshiaki Okubo, Makoto Haraguchi, Bin Shi

Proceedings of the Discovery Science, 8th International Conference, 2005

A Method for Pinpoint Clustering of Web Pages with Pseudo-Clique Search.

Makoto Haraguchi, Yoshiaki Okubo

Proceedings of the Federation over the Web, 2005

2003

Data abstractions for decision tree induction.

Yoshimitsu Kudoh, Makoto Haraguchi, Yoshiaki Okubo

Theor. Comput. Sci., 2003

Creating Abstract Concepts for Classification by Finding Top- N Maximal Weighted Cliques.

Yoshiaki Okubo, Makoto Haraguchi

Proceedings of the Discovery Science, 6th International Conference, 2003

2002

Learning Semi-Lattice Codebooks for Image Compression.

Yoshiaki Okubo, Xiaobo Li

Proceedings of the Abstraction, 2002

Data Abstractions for Numerical Attributes in Data Mining.

Masaaki Narita, Makoto Haraguchi, Yoshiaki Okubo

Proceedings of the Intelligent Data Engineering and Automated Learning, 2002

2001

Constructing Appropriate Data Abstractions for Mining Classification Knowledge.

Yoshiaki Okubo, Yoshimitsu Kudoh, Makoto Haraguchi

Proceedings of the Web Knowledge Management and Decision Support, 2001

Constructing Approximate Informative Basis of Association Rules.

Kouta Kanda, Makoto Haraguchi, Yoshiaki Okubo

Proceedings of the Discovery Science, 4th International Conference, DS 2001, Washington, 2001

2000

A Logical Foundation of Metaphoric Search Based on Abstraction Approach.

Makoto Haraguchi, Yoshiaki Okubo, Tokuyasu Kakuta

Electron. Trans. Artif. Intell., 2000

A Method for Finding Consistent Hypotheses Using Abstraction.

Yoshiaki Okubo, Makoto Haraguchi, Yan Fang Zheng

Proceedings of the Abstraction, 2000

1999

A Method of Similarity-Driven Knowledge Revision for Type Specializations.

Nobuhiro Morita, Makoto Haraguchi, Yoshiaki Okubo

Proceedings of the Algorithmic Learning Theory, 10th International Conference, 1999

1998

Constructing Predicate Mappings for Goal-Dependent Abstraction.

Yoshiaki Okubo, Makoto Haraguchi

Ann. Math. Artif. Intell., 1998

1997

Attacking Legal Argument by Pointing Out the Incoherence of Interpretation of Statute.

Yoshiaki Okubo, Makoto Haraguchi

J. Adv. Comput. Intell. Intell. Informatics, 1997

A Goal-Dependent Abstraction for Legal Reasoning by Analogy.

Tokuyasu Kakuta, Makoto Haraguchi, Yoshiaki Okubo

Artif. Intell. Law, 1997

Attacking Legal Argument by Examining Stability of Case Citation with Goal-Dependent Abstraction.

Yoshiaki Okubo, Makoto Haraguchi

Proceedings of the Sixth International Conference on Artificial Intelligence and Law, 1997

1994

Planning with Abstraction Based on Partial Predicate Mappings.

Yoshiaki Okubo, Makoto Haraguchi

New Gener. Comput., 1994