Koji Eguchi

According to our database, Koji Eguchi authored at least 65 papers between 1999 and 2023.

Collaborative distances:

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

2023

Generalized Knowledge Distillation for Topic Models.

Kohei Watanabe, Koji Eguchi

Proceedings of the PRICAI 2023: Trends in Artificial Intelligence, 2023

2020

Forecasting Corporate Financial Time Series using Multi-phase Attention Recurrent Neural Networks.

Shuhei Yoshimi, Koji Eguchi

Proceedings of the Workshops of the EDBT/ICDT 2020 Joint Conference, 2020

2019

Foreword.

Koji Eguchi

IEICE Trans. Inf. Syst., 2019

Hierarchical Topic Models for Expanding Category Hierarchies.

Kohei Yamamoto, Koji Eguchi, Atsuhiro Takasu

Proceedings of the IEEE International Conference on Big Data and Smart Computing, 2019

2018

Sequential Bayesian Nonparametric Multimodal Topic Models for Video Data Analysis.

Jianfei Xue, Koji Eguchi

IEICE Trans. Inf. Syst., 2018

Supervised Nonparametric Multimodal Topic Modeling Methods for Multi-class Video Classification.

Jianfei Xue, Koji Eguchi

Proceedings of the 2018 ACM on International Conference on Multimedia Retrieval, 2018

2017

Video Data Modeling Using Sequential Correspondence Hierarchical Dirichlet Processes.

Jianfei Xue, Koji Eguchi

IEICE Trans. Inf. Syst., 2017

Relation Prediction in Multilingual Data Based on Multimodal Relational Topic Models.

Yosuke Sakata, Koji Eguchi

IEICE Trans. Inf. Syst., 2017

Particle Filter Inference based on Activities for Overlapping Community Models.

Shohei Sakamoto, Koji Eguchi

Proceedings of the 26th International Conference on World Wide Web Companion, 2017

Constrained Community Detection in Multiplex Networks.

Koji Eguchi, Tsuyoshi Murata

Proceedings of the Social Informatics, 2017

A Bayesian nonparametric multimodal data modeling framework for video emotion recognition.

Jianfei Xue, Zhaojie Luo, Koji Eguchi, Tetsuya Takiguchi, Tsukasa Omoto

Proceedings of the 2017 IEEE International Conference on Multimedia and Expo, 2017

Predicting Users' Search Behavior Using Stochastic Multi-mode Network Models.

Shohei Umehara, Koji Eguchi

Proceedings of the 2017 IEEE International Conference on Data Mining Workshops, 2017

Time dependent analysis of financial networks using supervised latent feature relational models.

Shotaro Ito, Koji Eguchi

Proceedings of the 2017 IEEE International Conference on Big Data (IEEE BigData 2017), 2017

2016

Bayesian Non-parametric Inference of Multimodal Topic Hierarchies.

Takuji Shimamawari, Koji Eguchi, Atsuhiro Takasu

J. Inf. Process., 2016

Sequential Monte Carlo Inference Based on Activities for Overlapping Community Models.

Shohei Sakamoto, Koji Eguchi

Proceedings of the Behavioral Analytics in Social and Ubiquitous Environments, 2016

NEXTI at NTCIR-12 IMine-2 Task.

Hidetsugu Nanba, Tetsuya Sakai, Noriko Kando, Atsushi Keyaki, Koji Eguchi, Kenji Hatano, Toshiyuki Shimizu, Yu Hirate, Atsushi Fujii

Proceedings of the 12th NTCIR Conference on Evaluation of Information Access Technologies, 2016

Sequential Correspondence Hierarchical Dirichlet Processes for Video Data Analysis.

Jianfei Xue, Koji Eguchi

Proceedings of the 2016 ACM on International Conference on Multimedia Retrieval, 2016

Cross-lingual link prediction using multimodal relational topic models.

Yosuke Sakata, Koji Eguchi

Proceedings of the 15th IEEE/ACIS International Conference on Computer and Information Science, 2016

2015

Bayesian nonparametric inference of latent topic hierarchies for multimodal data.

Takuji Shimamawari, Koji Eguchi, Atsuhiro Takasu

Proceedings of the 3rd IAPR Asian Conference on Pattern Recognition, 2015

2014

Multimedia Topic Models Considering Burstiness of Local Features.

Yang Xie, Koji Eguchi

IEICE Trans. Inf. Syst., 2014

Hybrid Parallel Inference for Hierarchical Dirichlet Processes.

Tsukasa Omoto, Koji Eguchi, Shotaro Tora

IEICE Trans. Inf. Syst., 2014

Online Inference of Mixed Membership Stochastic Blockmodels for Network Data Streams.

Tomoki Kobayashi, Koji Eguchi

IEICE Trans. Inf. Syst., 2014

2013

MPI/OpenMP Hybrid Parallel Inference Methods for Latent Dirichlet Allocation - Approximation and Evaluation.

Shotaro Tora, Koji Eguchi

IEICE Trans. Inf. Syst., 2013

Sequential Monte Carlo Inference of Mixed Membership Stochastic Blockmodels for Dynamic Social Networks.

Tomoki Kobayashi, Koji Eguchi

CoRR, 2013

2012

Robust Recommendations Using Regularized Link Analysis of Browsing Behavior Graphs.

Shinya Naito, Koji Eguchi

Proceedings of the Social Computing, Behavioral - Cultural Modeling and Prediction, 2012

Symmetric Correspondence Topic Models for Multilingual Text Analysis.

Kosuke Fukumasu, Koji Eguchi, Eric P. Xing

Proceedings of the Advances in Neural Information Processing Systems 25: 26th Annual Conference on Neural Information Processing Systems 2012. Proceedings of a meeting held December 3-6, 2012

2010

Link prediction using probabilistic group models of network structure.

Akira Ninagawa, Koji Eguchi

Proceedings of the 2010 ACM Symposium on Applied Computing (SAC), 2010

2009

Query structuring and expansion with two-stage term dependence for Japanese web retrieval.

Koji Eguchi, W. Bruce Croft

Inf. Retr., 2009

Improving Document Representation for Story Link Detection by Modeling Term Topicality.

Chirag Shah, Koji Eguchi

Inf. Media Technol., 2009

Locally contextualized smoothing of language models for sentiment sentence retrieval.

Takayoshi Okamoto, Tetsuya Honda, Koji Eguchi

Proceedings of the 1st International CIKM Workshop on Topic-Sentiment Analysis for Mass Opinion, 2009

2008

Entity Network Prediction Using Multitype Topic Models.

Hitohiro Shiozaki, Koji Eguchi, Takenao Ohkawa

IEICE Trans. Inf. Syst., 2008

Automatic query structuring from sentences for Japanese web retrieval.

Tetsuya Shibata, Koji Eguchi

Proceedings of the Proceeding of the 2nd ACM workshop on Improving Non English Web Searching, 2008

Predicting protein-protein relationships from literature using collapsed variational latent dirichlet allocation.

Tatsuya Asou, Koji Eguchi

Proceedings of the Proceeding of the 2nd International Workshop on Data and Text Mining in Bioinformatics, 2008

2007

Opinion Retrieval Experiments Using Generative Models: Experiments for the TREC 2007 Blog Track.

Yuki Arai, Koji Eguchi

Proceedings of The Sixteenth Text REtrieval Conference, 2007

Entity Ranking from Annotated Text Collections Using Multitype Topic Models.

Hitohiro Shiozaki, Koji Eguchi

Proceedings of the Focused Access to XML Documents, 2007

Interactive Clustering of Text Collections According to a User-Specified Criterion.

Ron Bekkerman, Hema Raghavan, James Allan, Koji Eguchi

Proceedings of the IJCAI 2007, 2007

Use of Topicality and Information Measures to Improve Document Representation for Story Link Detection.

Chirag Shah, Koji Eguchi

Proceedings of the Advances in Information Retrieval, 2007

2006

Opinion Retrieval Experiments Using Generative Models: Experiments for the TREC 2006 Blog Track.

Koji Eguchi, Chirag Shah

Proceedings of the Fifteenth Text REtrieval Conference, 2006

Sentiment Retrieval using Generative Models.

Koji Eguchi, Victor Lavrenko

Proceedings of the EMNLP 2006, 2006

Boosting relevance model performance with query term dependence.

Koji Eguchi, W. Bruce Croft

Proceedings of the 2006 ACM CIKM International Conference on Information and Knowledge Management, 2006

Query Structuring with Two-Stage Term Dependence in the Japanese Language.

Koji Eguchi, W. Bruce Croft

Proceedings of the Information Retrieval Technology, 2006

Multi-Document Viewpoint Summarization Focused on Facts, Opinion and Knowledge.

Yohei Seki, Koji Eguchi, Noriko Kando

Proceedings of the Computing Attitude and Affect in Text: Theory and Applications, 2006

2005

Multi-Document Summarization Reflecting Information Needs on Subjectivity.

Yohei Seki, Koji Eguchi, Noriko Kando, Masaki Aono

Proceedings of the Fifth NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, 2005

NTCIR-5 Query Expansion Experiments using Term Dependence Models.

Koji Eguchi

Proceedings of the Fifth NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, 2005

2004

Cross-lingual information retrieval (CLIR) task at the NTCIR workshop 3.

Kazuaki Kishida, Kuang-hua Chen, Sukhoon Lee, Hsin-Hsi Chen, Noriko Kando, Kazuko Kuriyama, Sung-Hyon Myaeng, Koji Eguchi

SIGIR Forum, 2004

An evaluation of the Web retrieval task at the third NTCIR workshop.

Koji Eguchi, Keizo Oyama, Emi Ishida, Noriko Kando, Kazuko Kuriyama

SIGIR Forum, 2004

User-Focused Multi-Document Summarization with Paragraph Clustering and Sentence-Type Filtering.

Yohei Seki, Koji Eguchi, Noriko Kando

Proceedings of the Fourth NTCIR Workshop on Research in Information Access Technologies Information Retrieval, 2004

Overview of the NTCIR-4 WEB Navigational Retrieval Task 1.

Keizo Oyama, Koji Eguchi, Haruko Ishikawa, Akiko Aizawa

Proceedings of the Fourth NTCIR Workshop on Research in Information Access Technologies Information Retrieval, 2004

An Evaluation Method of Web Search Engines Based on Users' Sense.

Takashi Ohtsuka, Koji Eguchi, Hayato Yamana

Proceedings of the Fourth NTCIR Workshop on Research in Information Access Technologies Information Retrieval, 2004

Prediction of Performance on Cross-Lingual Information Retrieval by Regression Models.

Kazuaki Kishida, Kazuko Kuriyama, Noriko Kando, Koji Eguchi

Proceedings of the Fourth NTCIR Workshop on Research in Information Access Technologies Information Retrieval, 2004

Overview of CLIR Task at the Fourth NTCIR Workshop.

Kazuaki Kishida, Kuang-hua Chen, Sukhoon Lee, Kazuko Kuriyama, Noriko Kando, Hsin-Hsi Chen, Sung-Hyon Myaeng, Koji Eguchi

Proceedings of the Fourth NTCIR Workshop on Research in Information Access Technologies Information Retrieval, 2004

Overview of the Informational Retrieval Task at NTCIR-4 WEB.

Koji Eguchi, Keizo Oyama, Akiko Aizawa, Haruko Ishikawa

Proceedings of the Fourth NTCIR Workshop on Research in Information Access Technologies Information Retrieval, 2004

Overview of the Topical Classification Task at NTCIR-4 WEB.

Koji Eguchi

Proceedings of the Fourth NTCIR Workshop on Research in Information Access Technologies Information Retrieval, 2004

2003

System Evaluation Methods for Web Retrieval Tasks Considering Hyperlink Structure.

Koji Eguchi, Keizo Oyama, Emi Ishida, Noriko Kando, Kazuko Kuriyama

Proceedings of the Twelfth International World Wide Web Conference - Posters, 2003

Compact Summarization for Mobile Phones.

Yohei Seki, Koji Eguchi, Noriko Kando

Proceedings of the Mobile and Ubiquitous Information Access, 2003

2002

Pooling for a Large-Scale Test Collection: An Analysis of the Search Results from the First NTCIR Workshop.

Kazuko Kuriyama, Noriko Kando, Toshihiko Nozue, Koji Eguchi

Inf. Retr., 2002

The web retrieval task and its evaluation in the third NTCIR workshop.

Koji Eguchi, Keizo Oyama, Emi Ishida, Kazuko Kuriyama, Noriko Kando

Proceedings of the SIGIR 2002: Proceedings of the 25th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2002

Overview of the Web Retrieval Task at the Third NTCIR Workshop.

Koji Eguchi, Keizo Oyama, Emi Ishida, Noriko Kando, Kazuko Kuriyama

Proceedings of the Third NTCIR Workshop on Research in Information Retrieval, 2002

Overview of CLIR Task at the Third NTCIR Workshop.

Kuang-hua Chen, Hsin-Hsi Chen, Noriko Kando, Kazuko Kuriyama, Sukhoon Lee, Sung-Hyon Myaeng, Kazuaki Kishida, Koji Eguchi, Hyeon Kim

Proceedings of the Third NTCIR Workshop on Research in Information Retrieval, 2002

Sensitivity of IR systems Evaluation to Topic Difficulty.

Koji Eguchi, Kazuko Kuriyama, Noriko Kando

Proceedings of the Third International Conference on Language Resources and Evaluation, 2002

2001

Adaptive document clustering using incrementally expanded queries.

Koji Eguchi, Hidetaka Ito, Akira Kumamoto, Yakichi Kanata

Syst. Comput. Jpn., 2001

Automatically editing book reviews on the web.

Koji Eguchi, Shigeki Sugita

Proceedings of the 3rd International Workshop on Web Information and Data Management (WIDM 2001), 2001

1999

Adaptive Cluster-Based Browsing Using Incrementally Expanded Queries and its Effects (poster abstract).

Koji Eguchi

Proceedings of the SIGIR '99: Proceedings of the 22nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 1999

Overview of IR tasks.

Noriko Kando, Kazuko Kuriyama, Toshihiko Nozue, Koji Eguchi, Hiroyuki Kato, Soichiro Hidaka

Proceedings of the First NTCIR Workshop on Research in Japanese Text Retrieval and Term Recognition, 1999

Adaptive and Incremental Query Expansion for Cluster-based Browsing.

Koji Eguchi, Hidetaka Ito, Akira Kumamoto, Yakichi Kanata

Proceedings of the Database Systems for Advanced Applications, 1999