Yoshiaki Okubo

Publication Activity (10 Years)

Years Active: 1992-2018
Publications (10 Years): 7

Top Topics

Subspace Methods

Sequential Patterns

Top Venues

Discovery Science

Publications

Hongjie Zhai, Makoto Haraguchi, Yoshiaki Okubo, HeYu Liu
Finding Concepts with Unexpected Multi-Label Objects Based on Shared Subspace Method. CLA (2018)
Makoto Haraguchi, Yoshiaki Okubo
Finding Concepts of Music Objects with Unexpected Multi-labels Based on Shared Subspace Method. IIAI-AAI (2018)
Yoshiaki Okubo, Makoto Haraguchi
Mining Frequent Closed Set Distinguishing One Dataset from Another from a Viewpoint of Structural Index. MLDM (2017)
Hongjie Zhai, Makoto Haraguchi, Yoshiaki Okubo, Etsuji Tomita
A Fast and Complete Enumeration of Pseudo-Cliques for Large Graphs. PAKDD (1) (2016)
Hongjie Zhai, Makoto Haraguchi, Yoshiaki Okubo, Etsuji Tomita
A fast and complete algorithm for enumerating pseudo-cliques in large graphs. Int. J. Data Sci. Anal. 2 (3-4) (2016)
Yoshiaki Okubo, Makoto Haraguchi, Etsuji Tomita
Enumerating Maximal Isolated Cliques Based on Vertex-Dependent Connection Lower Bound. MLDM (2016)
Hongjie Zhai, Makoto Haraguchi, Yoshiaki Okubo, Etsuji Tomita
Enumerating Maximal Clique Sets with Pseudo-Clique Constraint. Discovery Science (2015)
Yoshiaki Okubo, Masanobu Matsudaira, Makoto Haraguchi
Detecting Maximum k-Plex with Iterative Proper ℓ-Plex Search. Discovery Science (2014)
Yoshiaki Okubo, Makoto Haraguchi, Etsuji Tomita
Relational Change Pattern Mining Based on Modularity Difference. MIWAI (2013)
Hongjie Zhai, Makoto Haraguchi, Yoshiaki Okubo, Kiyota Hashimoto, Sachio Hirokawa
Shifting Concepts to Their Associative Concepts via Bridges. MLDM (2013)
Yoshiaki Okubo, Makoto Haraguchi
Finding Top-N Colossal Patterns Based on Clique Search with Dynamic Update of Graph. ICFCA (2012)
Aixiang Li, Makoto Haraguchi, Yoshiaki Okubo
Top-N Minimization Approach for Indicative Correlation Change Mining. MLDM (2012)
Aixiang Li, Makoto Haraguchi, Yoshiaki Okubo, Etsuji Tomita
Finding What Changes for Two Graphs Constructed from Different Time Intervals. IIAI-AAI (2012)
Yoshiaki Okubo, Makoto Haraguchi, Etsuji Tomita
Structural Change Pattern Mining Based on Constrained Maximal k-Plex Search. Discovery Science (2012)
Aixiang Li, Makoto Haraguchi, Yoshiaki Okubo
Contrasting Correlations by an Efficient Double-Clique Condition. Trans. Mach. Learn. Data Min. 5 (1) (2012)
Yoshiaki Okubo, Makoto Haraguchi, Sachio Hirokawa
Finding Top-N Chance Patterns with KeyGraph $^{\tiny \textregistered}$ -Based Importance. KES (2) (2011)
Aixiang Li, Makoto Haraguchi, Yoshiaki Okubo
Contrasting Correlations by an Efficient Double-Clique Condition. MLDM (2011)
Yoshiaki Okubo, Makoto Haraguchi
An Algorithm for Extracting Rare Concepts with Concise Intents. ICFCA (2010)
Yoshiaki Okubo, Makoto Haraguchi, Takeshi Nakajima
Finding Rare Patterns with Weak Correlation Constraint. ICDM Workshops (2010)
Yoshiaki Okubo, Makoto Haraguchi
Pseudo Formal Concepts with Core Intents. MLDM (2009)
Aixiang Li, Makoto Haraguchi, Yoshiaki Okubo
Implicit Groups of Web Pages as Constrained Top N Concepts. Web Intelligence/IAT Workshops (2008)
Kenji Sato, Yoshiaki Okubo, Makoto Haraguchi, Susumu Kunifuji
Data Mining of Time-Series Medical Data by Formal Concept Analysis. KES (2) (2007)
Yoshiaki Okubo, Makoto Haraguchi
Finding Conceptual Document Clusters with Improved Top-N Formal Concept Search. Web Intelligence (2006)
Makoto Haraguchi, Yoshiaki Okubo
Formal Concepts of Documents. JSAI (2006)
Yoshiaki Okubo, Makoto Haraguchi, Bin Shi
Finding Significant Web Pages with Lower Ranks by Pseudo-Clique Search. Discovery Science (2005)
Tsuyoshi Taniguchi, Makoto Haraguchi, Yoshiaki Okubo
Discovery of Hidden Correlations in a Local Transaction Database Based on Differences of Correlations. MLDM (2005)
Makoto Haraguchi, Yoshiaki Okubo
A Method for Pinpoint Clustering of Web Pages with Pseudo-Clique Search. Federation over the Web (2005)
Yoshiaki Okubo, Makoto Haraguchi
Creating Abstract Concepts for Classification by Finding Top- N Maximal Weighted Cliques. Discovery Science (2003)
Yoshimitsu Kudoh, Makoto Haraguchi, Yoshiaki Okubo
Data abstractions for decision tree induction. Theor. Comput. Sci. 292 (2) (2003)
Masaaki Narita, Makoto Haraguchi, Yoshiaki Okubo
Data Abstractions for Numerical Attributes in Data Mining. IDEAL (2002)
Yoshiaki Okubo, Xiaobo Li
Learning Semi-Lattice Codebooks for Image Compression. SARA (2002)
Kouta Kanda, Makoto Haraguchi, Yoshiaki Okubo
Constructing Approximate Informative Basis of Association Rules. Discovery Science (2001)
Yoshiaki Okubo, Yoshimitsu Kudoh, Makoto Haraguchi
Constructing Appropriate Data Abstractions for Mining Classification Knowledge. INAP (2001)
Yoshiaki Okubo, Yoshimitsu Kudoh, Makoto Haraguchi
Constructing Appropriate Data Abstractions for Mining Classification Knowledge. INAP (LNCS Volume) (2001)
Makoto Haraguchi, Yoshiaki Okubo, Tokuyasu Kakuta
A Logical Foundation of Metaphoric Search Based on Abstraction Approach. Electron. Trans. Artif. Intell. 4 (B) (2000)
Yoshiaki Okubo, Makoto Haraguchi, Yan Fang Zheng
A Method for Finding Consistent Hypotheses Using Abstraction. SARA (2000)
Nobuhiro Morita, Makoto Haraguchi, Yoshiaki Okubo
A Method of Similarity-Driven Knowledge Revision for Type Specializations. ALT (1999)
Yoshiaki Okubo, Makoto Haraguchi
Constructing Predicate Mappings for Goal-Dependent Abstraction. Ann. Math. Artif. Intell. 23 (1-2) (1998)
Tokuyasu Kakuta, Makoto Haraguchi, Yoshiaki Okubo
A Goal-Dependent Abstraction for Legal Reasoning by Analogy. Artif. Intell. Law 5 (1-2) (1997)
Yoshiaki Okubo, Makoto Haraguchi
Attacking Legal Argument by Pointing Out the Incoherence of Interpretation of Statute. J. Adv. Comput. Intell. Intell. Informatics 1 (2) (1997)
Yoshiaki Okubo, Makoto Haraguchi
Attacking Legal Argument by Examining Stability of Case Citation with Goal-Dependent Abstraction. ICAIL (1997)
Yoshiaki Okubo, Makoto Haraguchi
Constructing Predicate Mappings for Goal-Dependent Abstraction. AII/ALT (1994)
Yoshiaki Okubo, Makoto Haraguchi
Planning with Abstraction Based on Partial Predicate Mappings. New Gener. Comput. 12 (4) (1994)
Yoshiaki Okubo, Makoto Haraguchi
Planning with Abstraction Based on Partial Predicate Mappings. ALT (1992)