Atsuhiro Takasu

2026

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DDIREC: Domain-Disentanglement on Item Representations for Cross-Domain Recommendation.
Pongsakorn Jirachanchaisiri|Saranya Maneeroj|Atsuhiro Takasu
Proceedings of the Nineteenth ACM International Conference on Web Search and Data Mining, WSDM 2026, Boise, ID, USA, February 22-26, 2026

2025

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QUADEN: Discovering Latent Neighbors for Sparse Users and Items across Interaction Quadrants in Recommender System.
Nakarin Sritrakool|Saranya Maneeroj|Atsuhiro Takasu
ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 4

2020

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NII Table Linker at the NTCIR-15 Data Search Task: Re-ranking with Pre-trained Contextualized Embeddings, Data Content, Entity-centric, and Cluster-based approaches.
Phuc Nguyen|Kazutoshi Shinoda|Taku Sakamoto|Diana Petrescu|Hung-Nghiep Tran|Atsuhiro Takasu|Akiko Aizawa|Hideaki Takeda
Proceedings of the 15th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR 2020, Tokyo, Japan, December 8-11, 2020

2017

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TLAB at the NTCIR-13 AKG Task.
Md. Mostafizur Rahman|Atsuhiro Takasu
The 13th NTCIR Conference, Evaluation of Information Access Technologies, National Center of Sciences, Tokyo, Japan, December 5-8, 2017

2013

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Timeline adaptation for text classification.
Fumiyo Fukumoto|Yoshimi Suzuki|Atsuhiro Takasu
22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013

2012

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Extraction of topic evolutions from references in scientific articles and its GPU acceleration.
Tomonari Masada|Atsuhiro Takasu
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

2009

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Maximal metric margin partitioning for similarity search indexes.
Hisashi Kurasawa|Anisoara Nica|Atsuhiro Takasu|Aparna S. Varde|Daiji Fukagawa|Atsuhiro Takasu|Aparna S. Varde|Jun Adachi
Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009
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Dynamic hyperparameter optimization for bayesian topical trend analysis.
Tomonari Masada|Daiji Fukagawa|Atsuhiro Takasu|Tsuyoshi Hamada|Yuichiro Shibata|Kiyoshi Oguri
Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009
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Constant Factor Approximation of Edit Distance of Bounded Height Unordered Trees.
Daiji Fukagawa|Tatsuya Akutsu|Atsuhiro Takasu
String Processing and Information Retrieval, 16th International Symposium, SPIRE 2009, Saariselkä, Finland, August 25-27, 2009, Proceedings

2008

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Improving the performance of personal name disambiguation using web directories.
Quang Minh Vu|Atsuhiro Takasu|Jun Adachi
Information Processing and Management 2008 Volume 44 Issue 4

2007

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Query Refinement based on Topical Term Clustering.
Hiromi Wakaki|Tomonari Masada|Atsuhiro Takasu|Jun Adachi
Computer-Assisted Information Retrieval (Recherche d'Information et ses Applications) - RIAO 2007, 8th International Conference, Carnegie Mellon University, Pittsburgh, PA, USA, May 30 - June 1, 2007. Proceedings, CD-ROM

2006

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An approximate multi-word matching algorithm for robust document retrieval.
Atsuhiro Takasu
Proceedings of the 2006 ACM CIKM International Conference on Information and Knowledge Management, Arlington, Virginia, USA, November 6-11, 2006

2005

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Improving Web Search by Query Expansion with a Small Number of Terms.
Tomonari Masada|Teruhito Kanazawa|Atsuhiro Takasu|Jun Adachi
Proceedings of the Fifth NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-5, National Center of Sciences, Tokyo, Japan, December 6-9, 2005

2004

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R2D2 at NTCIR-4 Web Retrieval Task.
Teruhito Kanazawa|Tomonari Masada|Atsuhiro Takasu|Jun Adachi
Proceedings of the Fourth NTCIR Workshop on Research in Information Access Technologies Information Retrieval, Question Answering and Summarization, NTCIR-4, National Center of Sciences, Tokyo, Japan, June 2-4, 2004
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Improving the Relevance-based Superimposition model for IR with automatic keyword extraction.
Teruhito Kanazawa|Atsuhiro Takasu|Jun Adachi
Computer-Assisted Information Retrieval (Recherche d'Information et ses Applications) - RIAO 2004, 7th International Conference, University of Avignon, France, April 26-28, 2004. Proceedings

2001

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R2D2 at NTCIR 2 Ad-hoc Task: Relevance-based Superimposition Model for IR.
Teruhito Kanazawa|Atsuhiro Takasu|Jun Adachi
Proceedings of the Third Second Workshop Meeting on Evaluation of Chinese & Japanese Text Retrieval and Text Summarization, NTCIR-2, Tokyo, Japan, March 7-9, 2001
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Structured Index System at NTCIR Workshop 2: Information Retrieval Methods Using Ordered Co-occurrence of Words and their Dependency Relationships.
Atsushi Matsumura|Atsuhiro Takasu|Jun Adachi
Proceedings of the Third Second Workshop Meeting on Evaluation of Chinese & Japanese Text Retrieval and Text Summarization, NTCIR-2, Tokyo, Japan, March 7-9, 2001

2000

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The Effect of Information Retrieval Method Using Dependency Relationship Between Words.
Atsushi Matsumura|Atsuhiro Takasu|Jun Adachi
Computer-Assisted Information Retrieval (Recherche d'Information et ses Applications) - RIAO 2000, 6th International Conference, College de France, France, April 12-14, 2000. Proceedings
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Variance based classifier comparison in text categorization.
Atsuhiro Takasu|Kenro Aihara
SIGIR 2000: Proceedings of the 23rd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, July 24-28, 2000, Athens, Greece

1999

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Structured Index System at NTCIR1: Information Retrieval using Dependency Relationship between Words.
Atsushi Matsumura|Atsuhiro Takasu|Jun Adachi
Proceedings of the First NTCIR Workshop on Research in Japanese Text Retrieval and Term Recognition, NTCIR-1, Tokyo, Japan, August 30 - September 1, 1999