| 2016 | PAKDD | A Fast and Complete Enumeration of Pseudo-Cliques for Large Graphs. | Hongjie Zhai, Makoto Haraguchi, Yoshiaki Okubo, Etsuji Tomita |
| 2015 | DIS | Enumerating Maximal Clique Sets with Pseudo-Clique Constraint. | Hongjie Zhai, Makoto Haraguchi, Yoshiaki Okubo, Etsuji Tomita |
| 2014 | DIS | Detecting Maximum k-Plex with Iterative Proper ℓ-Plex Search. | Yoshiaki Okubo, Masanobu Matsudaira, Makoto Haraguchi |
| 2012 | DIS | Structural Change Pattern Mining Based on Constrained Maximal k-Plex Search. | Yoshiaki Okubo, Makoto Haraguchi, Etsuji Tomita |
| 2012 | ICFCA | Finding Top-N Colossal Patterns Based on Clique Search with Dynamic Update of Graph. | Yoshiaki Okubo, Makoto Haraguchi |
| 2011 | KES | Finding Top-N Chance Patterns with KeyGraph $^{\tiny \textregistered}$ -Based Importance. | Yoshiaki Okubo, Makoto Haraguchi, Sachio Hirokawa |
| 2010 | ICDM | Finding Rare Patterns with Weak Correlation Constraint. | Yoshiaki Okubo, Makoto Haraguchi, Takeshi Nakajima |
| 2010 | ICFCA | An Algorithm for Extracting Rare Concepts with Concise Intents. | Yoshiaki Okubo, Makoto Haraguchi |
| 2007 | KES | Data Mining of Time-Series Medical Data by Formal Concept Analysis. | Kenji Sato, Yoshiaki Okubo, Makoto Haraguchi, Susumu Kunifuji |
| 2005 | DIS | Finding Significant Web Pages with Lower Ranks by Pseudo-Clique Search. | Yoshiaki Okubo, Makoto Haraguchi, Bin Shi |
| 2003 | DIS | Creating Abstract Concepts for Classification by Finding Top- N Maximal Weighted Cliques. | Yoshiaki Okubo, Makoto Haraguchi |
| 2002 | IDEAL | Data Abstractions for Numerical Attributes in Data Mining. | Masaaki Narita, Makoto Haraguchi, Yoshiaki Okubo |
| 2001 | DIS | Constructing Approximate Informative Basis of Association Rules. | Kouta Kanda, Makoto Haraguchi, Yoshiaki Okubo |
| 1999 | ALT | A Method of Similarity-Driven Knowledge Revision for Type Specializations. | Nobuhiro Morita, Makoto Haraguchi, Yoshiaki Okubo |
| 1997 | ICAIL | Attacking Legal Argument by Examining Stability of Case Citation with Goal-Dependent Abstraction. | Yoshiaki Okubo, Makoto Haraguchi |
| 1994 | ALT | Constructing Predicate Mappings for Goal-Dependent Abstraction. | Yoshiaki Okubo, Makoto Haraguchi |
| 1992 | ALT | Planning with Abstraction Based on Partial Predicate Mappings. | Yoshiaki Okubo, Makoto Haraguchi |