| 2025 | ICAART | Construction of Football Agents by Inverse Reinforcement Learning Using Relative Positional Information Among Players. | Daiki Wakabayashi, Tomoaki Yamazaki, Kouzou Ohara |
| 2025 | ICAART | In-Depth Analysis of the Behavior of Football Agents Trained via Inverse Reinforcement Learning with Relative Positional Information. | Daiki Wakabayashi, Tomoaki Yamazaki, Kouzou Ohara |
| 2025 | IROS | Low-Latency Privacy-Aware Robot Behavior guided by Automatically Generated Text Datasets. | Yuta Irisawa, Tomoaki Yamazaki, Seiya Ito, Shuhei Kurita, Ryota Akasaka, Masaki Onishi, Kouzou Ohara, Ken Sakurada |
| 2025 | MVA | Viewpoint-Aware 3D Dense Captioning. | Yuta Irisawa, Seiya Ito, Tomoaki Yamazaki, Ken Sakurada, Ryuhei Hamaguchi, Masaki Onishi, Kouzou Ohara |
| 2025 | MVA | Scene Recognition Meets Knowledge Graphs: Enhancing Robustness to Object Diversity. | Keisuke Yamashita, Seiya Ito, Tomoaki Yamazaki, Kouzou Ohara |
| 2024 | DASFAA | Generating Achievement Relationship Graph Between Actions for Alternative Solution Recommendation. | Tsukasa Hirano, Yoshiyuki Shoji, Takehiro Yamamoto, Kouzou Ohara |
| 2023 | IIWAS | Digital Index Card Creation and Management for Memorizing What You See on the Web. | Yuna Saka, Yoshiyuki Shoji, Hiroaki Ohshima, Kouzou Ohara |
| 2022 | ACCV | Learning and Transforming General Representations to Break Down Stability-Plasticity Dilemma. | Kengo Murata, Seiya Ito, Kouzou Ohara |
| 2020 | CVPR | What is Happening Inside a Continual Learning Model? - A Representation-Based Evaluation of Representational Forgetting -. | Kengo Murata, Tetsuya Toyota, Kouzou Ohara |
| 2020 | DIS | Maximizing Network Coverage Under the Presence of Time Constraint by Injecting Most Effective k-Links. | Kouzou Ohara, Takayasu Fushimi, Kazumi Saito, Masahiro Kimura, Hiroshi Motoda |
| 2019 | DIS | Resampling-Based Framework for Unbiased Estimator of Node Centrality over Large Complex Network. | Kazumi Saito, Kouzou Ohara, Masahiro Kimura, Hiroshi Motoda |
| 2019 | PKAW | Constructing Dataset Based on Concept Hierarchy for Evaluating Word Vectors Learned from Multisense Words. | Tomoaki Yamazaki, Tetsuya Toyota, Kouzou Ohara |
| 2019 | PRICAI | Efficient Identification of Critical Links Based on Reachability Under the Presence of Time Constraint. | Kazumi Saito, Kouzou Ohara, Masahiro Kimura, Hiroshi Motoda |
| 2018 | ISMIS | Critical Link Identification Based on Bridge Detection for Network with Uncertain Connectivity. | Kazumi Saito, Kouzou Ohara, Masahiro Kimura, Hiroshi Motoda |
| 2018 | PKAW | k-NN Based Forecast of Short-Term Foreign Exchange Rates. | Haruya Umemoto, Tetsuya Toyota, Kouzou Ohara |
| 2018 | PRICAI | Efficient Detection of Critical Links to Maintain Performance of Network with Uncertain Connectivity. | Kazumi Saito, Kouzou Ohara, Masahiro Kimura, Hiroshi Motoda |
| 2017 | DSAA | Maximizing Network Performance Based on Group Centrality by Creating Most Effective k-Links. | Kouzou Ohara, Kazumi Saito, Masahiro Kimura, Hiroshi Motoda |
| 2017 | ICDM | Discovering Cooperative Structure Among Online Items for Attention Dynamics. | Kanji Matsutani, Masahito Kumano, Masahiro Kimura, Kazumi Saito, Kouzou Ohara, Hiroshi Motoda |
| 2017 | ISMIS | An Accurate and Efficient Method to Detect Critical Links to Maintain Information Flow in Network. | Kazumi Saito, Kouzou Ohara, Masahiro Kimura, Hiroshi Motoda |
| 2016 | DIS | Accelerating Computation of Distance Based Centrality Measures for Spatial Networks. | Kouzou Ohara, Kazumi Saito, Masahiro Kimura, Hiroshi Motoda |
| 2016 | PRICAI | Detecting Critical Links in Complex Network to Maintain Information Flow/Reachability. | Kazumi Saito, Masahiro Kimura, Kouzou Ohara, Hiroshi Motoda |
| 2015 | DIS | Change Point Detection for Information Diffusion Tree. | Kouzou Ohara, Kazumi Saito, Masahiro Kimura, Hiroshi Motoda |
| 2015 | GECCO | Sample Reuse in the Covariance Matrix Adaptation Evolution Strategy Based on Importance Sampling. | Shinichi Shirakawa, Youhei Akimoto, Kazuki Ouchi, Kouzou Ohara |
| 2015 | HCI | The Effect of Metaphoric Gestures on Schematic Understanding of Instruction Performed by a Pedagogical Conversational Agent. | Dai Hasegawa, Shinichi Shirakawa, Naoya Shioiri, Toshiki Hanawa, Hiroshi Sakuta, Kouzou Ohara |
| 2015 | PAKDD | Resampling-Based Gap Analysis for Detecting Nodes with High Centrality on Large Social Network. | Kouzou Ohara, Kazumi Saito, Masahiro Kimura, Hiroshi Motoda |
| 2014 | DIS | Resampling-Based Framework for Estimating Node Centrality of Large Social Network. | Kouzou Ohara, Kazumi Saito, Masahiro Kimura, Hiroshi Motoda |
| 2014 | DSAA | Efficient analysis of node influence based on SIR model over huge complex networks. | Masahiro Kimura, Kazumi Saito, Kouzou Ohara, Hiroshi Motoda |
| 2014 | PRICAI | Analyzing Mediator-Activity Effects for Trust-Network Evolution in Social Media. | Keito Hatta, Masahito Kumano, Masahiro Kimura, Kazumi Saito, Kouzou Ohara, Hiroshi Motoda |
| 2014 | PRICAI | A Method to Divide Stream Data of Scores over Review Sites. | Yuki Yamagishi, Seiya Okubo, Kazumi Saito, Kouzou Ohara, Masahiro Kimura, Hiroshi Motoda |
| 2013 | ACML | Predictive Simulation Framework of Stochastic Diffusion Model for Identifying Top-K Influential Nodes. | Kouzou Ohara, Kazumi Saito, Masahiro Kimura, Hiroshi Motoda |
| 2013 | DIS | Identifying Super-Mediators of Information Diffusion in Social Networks. | Kazumi Saito, Masahiro Kimura, Kouzou Ohara, Hiroshi Motoda |
| 2012 | DIS | Burst Detection in a Sequence of Tweets Based on Information Diffusion Model. | Kazumi Saito, Kouzou Ohara, Masahiro Kimura, Hiroshi Motoda |
| 2012 | WWW | Graph embedding on spheres and its application to visualization of information diffusion data. | Kazumi Saito, Masahiro Kimura, Kouzou Ohara, Hiroshi Motoda |
| 2011 | DIS | Detecting Anti-majority Opinionists Using Value-Weighted Mixture Voter Model. | Masahiro Kimura, Kazumi Saito, Kouzou Ohara, Hiroshi Motoda |
| 2011 | ISMIS | Learning Diffusion Probability Based on Node Attributes in Social Networks. | Kazumi Saito, Kouzou Ohara, Yuki Yamagishi, Masahiro Kimura, Hiroshi Motoda |
| 2010 | AAAI | Learning to Predict Opinion Share in Social Networks. | Masahiro Kimura, Kazumi Saito, Kouzou Ohara, Hiroshi Motoda |
| 2010 | DIS | Discovery of Super-Mediators of Information Diffusion in Social Networks. | Kazumi Saito, Masahiro Kimura, Kouzou Ohara, Hiroshi Motoda |
| 2010 | PKAW | Finding Relation between PageRank and Voter Model. | Takayasu Fushimi, Kazumi Saito, Masahiro Kimura, Hiroshi Motoda, Kouzou Ohara |
| 2010 | PKAW | Acquiring Expected Influence Curve from Single Diffusion Sequence. | Yuya Yoshikawa, Kazumi Saito, Hiroshi Motoda, Kouzou Ohara, Masahiro Kimura |
| 2010 | PRICAI | Efficient Estimation of Cumulative Influence for Multiple Activation Information Diffusion Model with Continuous Time Delay. | Kazumi Saito, Masahiro Kimura, Kouzou Ohara, Hiroshi Motoda |
| 2009 | ACML | Learning Continuous-Time Information Diffusion Model for Social Behavioral Data Analysis. | Kazumi Saito, Masahiro Kimura, Kouzou Ohara, Hiroshi Motoda |
| 2008 | PKAW | Pruning Strategies Based on the Upper Bound of Information Gain for Discriminative Subgraph Mining. | Kouzou Ohara, Masahiro Hara, Kiyoto Takabayashi, Hiroshi Motoda, Takashi Washio |
| 2006 | PAKDD | Constructing Decision Trees for Graph-Structured Data by Chunkingless Graph-Based Induction. | Phu Chien Nguyen, Kouzou Ohara, Akira Mogi, Hiroshi Motoda, Takashi Washio |
| 2006 | PKAW | Extracting Discriminative Patterns from Graph Structured Data Using Constrained Search. | Kiyoto Takabayashi, Phu Chien Nguyen, Kouzou Ohara, Hiroshi Motoda, Takashi Washio |
| 2005 | ICDM | Efficient Mining of High Branching Factor Attribute Trees. | Alexandre Termier, Marie-Christine Rousset, Michle Sebag, Kouzou Ohara, Takashi Washio, Hiroshi Motoda |
| 2005 | PAKDD | Cl-GBI: A Novel Approach for Extracting Typical Patterns from Graph-Structured Data. | Phu Chien Nguyen, Kouzou Ohara, Hiroshi Motoda, Takashi Washio |
| 2004 | DIS | Constructive Inductive Learning Based on Meta-attributes. | Kouzou Ohara, Yukio Onishi, Noboru Babaguchi, Hiroshi Motoda |
| 2003 | KES | On Personalizing Video Portal System with Metadata. | Kouzou Ohara, Takehiro Ogura, Noboru Babaguchi |
| 2000 | EJC | Converting Ordinary Rules into Default Rules Based on Contradiction of Knowledge Base. | Kouichi Katsurada, Makoto Koyama, Kouzou Ohara, Noboru Babaguchi, Tadahiro Kitahashi |
| 2000 | EJC | On Operations for Reconstructing the Complete/Incomplete Knowledge. | Kouichi Katsurada, Kouzou Ohara, Noboru Babaguchi, Tadahiro Kitahashi |
| 2000 | ILP | An Efficient Hypothesis Search Algorithm Based on Best-Bound Search. | Kouzou Ohara, Noboru Babaguchi, Tadahiro Kitahashi |
| 2000 | PRICAI | Determination of General Concept in Learning Default Rules. | Kouzou Ohara, Hideyuki Taka, Noboru Babaguchi, Tadahiro Kitahashi |
| 1998 | SMC | Solving contradiction in knowledge-base without interaction. | Kouichi Katsurada, Makoto Koyama, Kouzou Ohara, Noboru Babaguchi, Tadahiro Kitahashi |
| 1998 | SMC | Non-monotonic inference system handling knowledge allowing classified exceptions. | Kouzou Ohara, Noboru Babaguchi, Tadahiro Kitahashi |
| 1996 | PRICAI | On Formation of Exception Hierarchy. | Kouzou Ohara, Noboru Babaguchi, Tadahiro Kitahashi |