A Query Procedure for Allowing Exceptions in Advanced Logical Database. - Kouzou Ohara; Noboru Babaguchi; Tadahiro Kitahashi (IEA/AIE, 1996)

On Formation of Exception Hierarchy. - Kouzou Ohara; Noboru Babaguchi; Tadahiro Kitahashi (PRICAI, 1996)

Solving contradiction in knowledge-base without interaction. - Kouichi Katsurada; Makoto Koyama; Kouzou Ohara; Noboru Babaguchi; Tadahiro Kitahashi (SMC, 1998)

Non-monotonic inference system handling knowledge allowing classified exceptions. - Kouzou Ohara; Noboru Babaguchi; Tadahiro Kitahashi (SMC, 1998)

Converting Ordinary Rules into Default Rules Based on Contradiction of Knowledge Base. - Kouichi Katsurada; Makoto Koyama; Kouzou Ohara; Noboru Babaguchi; Tadahiro Kitahashi (EJC, 2000)

On Operations for Reconstructing the Complete/Incomplete Knowledge. - Kouichi Katsurada; Kouzou Ohara; Noboru Babaguchi; Tadahiro Kitahashi (EJC, 2000)

An Efficient Hypothesis Search Algorithm Based on Best-Bound Search. - Kouzou Ohara; Noboru Babaguchi; Tadahiro Kitahashi (ILP Work-in-progress reports, 2000)

Determination of General Concept in Learning Default Rules. - Kouzou Ohara; Hideyuki Taka; Noboru Babaguchi; Tadahiro Kitahashi (PRICAI, 2000)

Extracting Diagnostic Knowledge from Hepatitis Dataset by Decision Tree Graph-Based Induction. - Warodom Geamsakul; Tetsuya Yoshida; Kouzou Ohara; Hiroshi Motoda; Takashi Washio; Hideto Yokoi; Katsuhiko Takabayashi (Active Mining, 2003)

On Personalizing Video Portal System with Metadata. - Kouzou Ohara; Takehiro Ogura; Noboru Babaguchi (KES, 2003)

Constructive Inductive Learning Based on Meta-attributes. - Kouzou Ohara; Yukio Onishi; Noboru Babaguchi; Hiroshi Motoda (Discovery Science, 2004)

Analysis of Hepatitis Dataset by Decision Tree Based on Graph-Based Induction. - Warodom Geamsakul; Takashi Matsuda; Tetsuya Yoshida; Kouzou Ohara; Hiroshi Motoda; Takashi Washio; Hideto Yokoi; Katsuhiko Takabayashi (JSAI Workshops, 2004)

Using a Hash-Based Method for Apriori-Based Graph Mining. - Phu Chien Nguyen; Takashi Washio; Kouzou Ohara; Hiroshi Motoda (PKDD, 2004)

Refining diagnostic knowledge extracted from interferon therapy by graph-based induction. - Tetsuya Yoshida; Akira Mogi; Kouzou Ohara; Hiroshi Motoda; Takashi Washio (AMT, 2005)

Efficient Mining of High Branching Factor Attribute Trees. - Alexandre Termier; Marie-Christine Rousset; Michèle Sebag; Kouzou Ohara; Takashi Washio; Hiroshi Motoda (ICDM, 2005)

Cl-GBI: A Novel Approach for Extracting Typical Patterns from Graph-Structured Data. - Phu Chien Nguyen; Kouzou Ohara; Hiroshi Motoda; Takashi Washio (PAKDD, 2005)

Constructing a Decision Tree for Graph-Structured Data and its Applications. - Warodom Geamsakul; Tetsuya Yoshida; Kouzou Ohara; Hiroshi Motoda; Hideto Yokoi; Katsuhiko Takabayashi (Fundam. Informaticae, 2005)

Constructing Decision Trees for Graph-Structured Data by Chunkingless Graph-Based Induction. - Phu Chien Nguyen; Kouzou Ohara; Akira Mogi; Hiroshi Motoda; Takashi Washio (PAKDD, 2006)

Extracting Discriminative Patterns from Graph Structured Data Using Constrained Search. - Kiyoto Takabayashi; Phu Chien Nguyen; Kouzou Ohara; Hiroshi Motoda; Takashi Washio (PKAW, 2006)

Learning Personal Preference From Viewer's Operations for Browsing and Its Application to Baseball Video Retrieval and Summarization. - Noboru Babaguchi; Kouzou Ohara; Takehiro Ogura (IEEE Trans. Multim., 2007)

Pruning Strategies Based on the Upper Bound of Information Gain for Discriminative Subgraph Mining. - Kouzou Ohara; Masahiro Hara; Kiyoto Takabayashi; Hiroshi Motoda; Takashi Washio (PKAW, 2008)

DryadeParent, An Efficient and Robust Closed Attribute Tree Mining Algorithm. - Alexandre Termier; Marie-Christine Rousset; Michèle Sebag; Kouzou Ohara; Takashi Washio; Hiroshi Motoda (IEEE Trans. Knowl. Data Eng., 2008)

Learning Continuous-Time Information Diffusion Model for Social Behavioral Data Analysis. - Kazumi Saito; Masahiro Kimura; Kouzou Ohara; Hiroshi Motoda (ACML, 2009)

Learning to Predict Opinion Share in Social Networks. - Masahiro Kimura; Kazumi Saito; Kouzou Ohara; Hiroshi Motoda (AAAI, 2010)

Recommendation of Little Known Good Travel Destinations Using Word-of-Mouth Information on the Web. - Kouzou Ohara; Yu Fujimoto; Tomofumi Shiina (AMT, 2010)

Discovery of Super-Mediators of Information Diffusion in Social Networks. - Kazumi Saito; Masahiro Kimura; Kouzou Ohara; Hiroshi Motoda (Discovery Science, 2010)

Finding Relation between PageRank and Voter Model. - Takayasu Fushimi; Kazumi Saito; Masahiro Kimura; Hiroshi Motoda; Kouzou Ohara (PKAW, 2010)

Acquiring Expected Influence Curve from Single Diffusion Sequence. - Yuya Yoshikawa; Kazumi Saito; Hiroshi Motoda; Kouzou Ohara; Masahiro Kimura (PKAW, 2010)

Selecting Information Diffusion Models over Social Networks for Behavioral Analysis. - Kazumi Saito; Masahiro Kimura; Kouzou Ohara; Hiroshi Motoda (ECML/PKDD (3), 2010)

Efficient Estimation of Cumulative Influence for Multiple Activation Information Diffusion Model with Continuous Time Delay. - Kazumi Saito; Masahiro Kimura; Kouzou Ohara; Hiroshi Motoda (PRICAI, 2010)

Behavioral Analyses of Information Diffusion Models by Observed Data of Social Network. - Kazumi Saito; Masahiro Kimura; Kouzou Ohara; Hiroshi Motoda (SBP, 2010)

Generative Models of Information Diffusion with Asynchronous Timedelay. - Kazumi Saito; Masahiro Kimura; Kouzou Ohara; Hiroshi Motoda (ACML, 2010)

Speeding Up Bipartite Graph Visualization Method. - Takayasu Fushimi; Yamato Kubota; Kazumi Saito; Masahiro Kimura; Kouzou Ohara; Hiroshi Motoda (Australasian Conference on Artificial Intelligence, 2011)

Detecting Anti-majority Opinionists Using Value-Weighted Mixture Voter Model. - Masahiro Kimura; Kazumi Saito; Kouzou Ohara; Hiroshi Motoda (Discovery Science, 2011)

Learning Diffusion Probability Based on Node Attributes in Social Networks. - Kazumi Saito; Kouzou Ohara; Yuki Yamagishi; Masahiro Kimura; Hiroshi Motoda (ISMIS, 2011)

Detecting Changes in Opinion Value Distribution for Voter Model. - Kazumi Saito; Masahiro Kimura; Kouzou Ohara; Hiroshi Motoda (SBP, 2011)

Efficient Detection of Hot Span in Information Diffusion from Observation - Kouzou Ohara; Kazumi Saito; Masahiro Kimura; Hiroshi Motoda (CoRR, 2011)

Learning information diffusion model in a social network for predicting influence of nodes. - Masahiro Kimura; Kazumi Saito; Kouzou Ohara; Hiroshi Motoda (Intell. Data Anal., 2011)

Estimating Diffusion Probability Changes for AsIC-SIS Model. - Akihiro Koide; Kazumi Saito; Kouzou Ohara; Masahiro Kimura; Hiroshi Motoda (ACML, 2011)

Learning Attribute-weighted Voter Model over Social Networks. - Yuki Yamagishi; Kazumi Saito; Kouzou Ohara; Masahiro Kimura; Hiroshi Motoda (ACML, 2011)

Burst Detection in a Sequence of Tweets Based on Information Diffusion Model. - Kazumi Saito; Kouzou Ohara; Masahiro Kimura; Hiroshi Motoda (Discovery Science, 2012)

Opinion Formation by Voter Model with Temporal Decay Dynamics. - Masahiro Kimura; Kazumi Saito; Kouzou Ohara; Hiroshi Motoda (ECML/PKDD (2), 2012)

Effect of In/Out-Degree Correlation on Influence Degree of Two Contrasting Information Diffusion Models. - Kouzou Ohara; Kazumi Saito; Masahiro Kimura; Hiroshi Motoda (SBP, 2012)

Graph embedding on spheres and its application to visualization of information diffusion data. - Kazumi Saito; Masahiro Kimura; Kouzou Ohara; Hiroshi Motoda (WWW (Companion Volume), 2012)

Learning Asynchronous-Time Information Diffusion Models and its Application to Behavioral Data Analysis over Social Networks - Kazumi Saito; Masahiro Kimura; Kouzou Ohara; Hiroshi Motoda (CoRR, 2012)

Efficient discovery of influential nodes for SIS models in social networks. - Kazumi Saito; Masahiro Kimura; Kouzou Ohara; Hiroshi Motoda (Knowl. Inf. Syst., 2012)

Predictive Simulation Framework of Stochastic Diffusion Model for Identifying Top-K Influential Nodes. - Kouzou Ohara; Kazumi Saito; Masahiro Kimura; Hiroshi Motoda (ACML, 2013)

Detecting changes in content and posting time distributions in social media. - Kazumi Saito; Kouzou Ohara; Masahiro Kimura; Hiroshi Motoda (ASONAM, 2013)

Identifying Super-Mediators of Information Diffusion in Social Networks. - Kazumi Saito; Masahiro Kimura; Kouzou Ohara; Hiroshi Motoda (Discovery Science, 2013)

Which Targets to Contact First to Maximize Influence over Social Network. - Kazumi Saito; Masahiro Kimura; Kouzou Ohara; Hiroshi Motoda (SBP, 2013)

Learning to predict opinion share and detect anti-majority opinionists in social networks. - Masahiro Kimura; Kazumi Saito; Kouzou Ohara; Hiroshi Motoda (J. Intell. Inf. Syst., 2013)

Detecting changes in information diffusion patterns over social networks. - Kazumi Saito; Masahiro Kimura; Kouzou Ohara; Hiroshi Motoda (ACM Trans. Intell. Syst. Technol., 2013)

Resampling-Based Framework for Estimating Node Centrality of Large Social Network. - Kouzou Ohara; Kazumi Saito; Masahiro Kimura; Hiroshi Motoda (Discovery Science, 2014)

Efficient analysis of node influence based on SIR model over huge complex networks. - Masahiro Kimura; Kazumi Saito; Kouzou Ohara; Hiroshi Motoda (DSAA, 2014)

Analyzing Mediator-Activity Effects for Trust-Network Evolution in Social Media. - Keito Hatta; Masahito Kumano; Masahiro Kimura; Kazumi Saito; Kouzou Ohara; Hiroshi Motoda (PRICAI, 2014)

A Method to Divide Stream Data of Scores over Review Sites. - Yuki Yamagishi; Seiya Okubo; Kazumi Saito; Kouzou Ohara; Masahiro Kimura; Hiroshi Motoda (PRICAI, 2014)

A New Approach for Item Ranking Based on Review Scores Reflecting Temporal Trust Factor. - Kazumi Saito; Masahiro Kimura; Kouzou Ohara; Hiroshi Motoda (SBP, 2014)

Combining activity-evaluation information with NMF for trust-link prediction in social media. - Kanji Matsutani; Masahito Kumano; Masahiro Kimura; Kazumi Saito; Kouzou Ohara; Hiroshi Motoda (IEEE BigData, 2015)

Change Point Detection for Information Diffusion Tree. - Kouzou Ohara; Kazumi Saito; Masahiro Kimura; Hiroshi Motoda (Discovery Science, 2015)

Sample Reuse in the Covariance Matrix Adaptation Evolution Strategy Based on Importance Sampling. - Shinichi Shirakawa; Youhei Akimoto; Kazuki Ouchi; Kouzou Ohara (GECCO, 2015)

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 (HCI (24), 2015)

Resampling-Based Gap Analysis for Detecting Nodes with High Centrality on Large Social Network. - Kouzou Ohara; Kazumi Saito; Masahiro Kimura; Hiroshi Motoda (PAKDD (1), 2015)

Efficient Learning of User Conformity on Review Score. - Kazumi Saito; Kouzou Ohara; Masahiro Kimura; Hiroshi Motoda (SBP, 2015)

Change point detection for burst analysis from an observed information diffusion sequence of tweets. - Kazumi Saito; Kouzou Ohara; Masahiro Kimura; Hiroshi Motoda (J. Intell. Inf. Syst., 2015)

Accelerating Computation of Distance Based Centrality Measures for Spatial Networks. - Kouzou Ohara; Kazumi Saito; Masahiro Kimura; Hiroshi Motoda (DS, 2016)

Detecting Critical Links in Complex Network to Maintain Information Flow/Reachability. - Kazumi Saito; Masahiro Kimura; Kouzou Ohara; Hiroshi Motoda (PRICAI, 2016)

Speeding-up node influence computation for huge social networks. - Masahiro Kimura; Kazumi Saito; Kouzou Ohara; Hiroshi Motoda (Int. J. Data Sci. Anal., 2016)

Super mediator - A new centrality measure of node importance for information diffusion over social network. - Kazumi Saito; Masahiro Kimura; Kouzou Ohara; Hiroshi Motoda (Inf. Sci., 2016)

Maximizing Network Performance Based on Group Centrality by Creating Most Effective k-Links. - Kouzou Ohara; Kazumi Saito; Masahiro Kimura; Hiroshi Motoda (DSAA, 2017)

Discovering Cooperative Structure Among Online Items for Attention Dynamics. - Kanji Matsutani; Masahito Kumano; Masahiro Kimura; Kazumi Saito; Kouzou Ohara; Hiroshi Motoda (ICDM Workshops, 2017)

An Accurate and Efficient Method to Detect Critical Links to Maintain Information Flow in Network. - Kazumi Saito; Kouzou Ohara; Masahiro Kimura; Hiroshi Motoda (ISMIS, 2017)

Critical Node Identification Based on Articulation Point Detection for Network with Uncertain Connectivity. - Kouzou Ohara; Kazumi Saito; Masahiro Kimura; Hiroshi Motoda (CANDAR, 2018)

Critical Link Identification Based on Bridge Detection for Network with Uncertain Connectivity. - Kazumi Saito; Kouzou Ohara; Masahiro Kimura; Hiroshi Motoda (ISMIS, 2018)

k-NN Based Forecast of Short-Term Foreign Exchange Rates. - Haruya Umemoto; Tetsuya Toyota; Kouzou Ohara (PKAW, 2018)

Efficient Detection of Critical Links to Maintain Performance of Network with Uncertain Connectivity. - Kazumi Saito; Kouzou Ohara; Masahiro Kimura; Hiroshi Motoda (PRICAI (1), 2018)

Sample Reuse via Importance Sampling in Information Geometric Optimization. - Shinichi Shirakawa; Youhei Akimoto; Kazuki Ouchi; Kouzou Ohara (CoRR, 2018)

Which is more influential, "Who" or "When" for a user to rate in online review site? - Kazumi Saito; Kouzou Ohara; Masahiro Kimura; Hiroshi Motoda (Intell. Data Anal., 2018)

Accurate and efficient detection of critical links in network to minimize information loss. - Kazumi Saito; Kouzou Ohara; Masahiro Kimura; Hiroshi Motoda (J. Intell. Inf. Syst., 2018)

Resampling-Based Framework for Unbiased Estimator of Node Centrality over Large Complex Network. - Kazumi Saito; Kouzou Ohara; Masahiro Kimura; Hiroshi Motoda (DS, 2019)

Constructing Dataset Based on Concept Hierarchy for Evaluating Word Vectors Learned from Multisense Words. - Tomoaki Yamazaki; Tetsuya Toyota; Kouzou Ohara (PKAW, 2019)

Efficient Identification of Critical Links Based on Reachability Under the Presence of Time Constraint. - Kazumi Saito; Kouzou Ohara; Masahiro Kimura; Hiroshi Motoda (PRICAI (2), 2019)

Critical Node Identification based on Articulation Point Detection for Uncertain Network. - Kouzou Ohara; Kazumi Saito; Masahiro Kimura; Hiroshi Motoda (Int. J. Netw. Comput., 2019)

Renewal of the Major Fields from New Generation Computing Vol. 37 (2019). - Masayuki Numao; Yutaka Matsuo; Kouzou Ohara; Fujio Toriumi (New Gener. Comput., 2019)

Opening and Closing Dynamics of Competing Shop Groups over Spatial Networks. - Takayasu Fushimi; Kazumi Saito; Kouzou Ohara; Masahiro Kimura; Hiroshi Motoda (ASONAM, 2020)

Efficient Computing of PageRank Scores on Exact Expected Transition Matrix of Large Uncertain Graph. - Takayasu Fushimi; Kazumi Saito; Kouzou Ohara; Masahiro Kimura; Hiroshi Motoda (IEEE BigData, 2020)

What is Happening Inside a Continual Learning Model? - A Representation-Based Evaluation of Representational Forgetting -. - Kengo Murata; Tetsuya Toyota; Kouzou Ohara (CVPR Workshops, 2020)

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 (DS, 2020)

Resampling-based predictive simulation framework of stochastic diffusion model for identifying top-K influential nodes. - Kouzou Ohara; Kazumi Saito; Masahiro Kimura; Hiroshi Motoda (Int. J. Data Sci. Anal., 2020)

Efficient computation of target-oriented link criticalness centrality in uncertain graphs. - Kazumi Saito; Takayasu Fushimi; Kouzou Ohara; Masahiro Kimura; Hiroshi Motoda (Intell. Data Anal., 2021)

General framework of opening and closing shops over a spatial network based on stochastic utility under competitive and time-bounded environment. - Takayasu Fushimi; Kazumi Saito; Kouzou Ohara; Masahiro Kimura; Hiroshi Motoda (Soc. Netw. Anal. Min., 2021)

Learning and Transforming General Representations to Break Down Stability-Plasticity Dilemma. - Kengo Murata; Seiya Ito; Kouzou Ohara (ACCV (6), 2022)

Digital Index Card Creation and Management for Memorizing What You See on the Web. - Yuna Saka; Yoshiyuki Shoji; Hiroaki Ohshima; Kouzou Ohara (iiWAS, 2023)

Generating Achievement Relationship Graph Between Actions for Alternative Solution Recommendation. - Tsukasa Hirano; Yoshiyuki Shoji; Takehiro Yamamoto; Kouzou Ohara (DASFAA (Workshops), 2024)

Construction of Football Agents by Inverse Reinforcement Learning Using Relative Positional Information Among Players. - Daiki Wakabayashi; Tomoaki Yamazaki; Kouzou Ohara (ICAART (1), 2025)

Evaluation of Sense Embeddings with Optimized Vector-Meaning Correspondence. - Tomoaki Yamazaki; Seiya Ito; Kouzou Ohara (IEICE Trans. Inf. Syst., 2025)