2022

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ArchivalQA: A Large-scale Benchmark Dataset for Open-Domain Question Answering over Historical News Collections
Jiexin Wang | Adam Jatowt | Masatoshi Yoshikawa
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

2021

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Improving question answering for event-focused questions in temporal collections of news articles
Jiexin Wang | Adam Jatowt | Michael Färber | Masatoshi Yoshikawa
2021 Volume 24 Issue 1

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Event Occurrence Date Estimation based on Multivariate Time Series Analysis over Temporal Document Collections
Jiexin Wang | Adam Jatowt | Masatoshi Yoshikawa
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021

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Exploding TV Sets and Disappointing Laptops: Suggesting Interesting Content in News Archives Based on Surprise Estimation
Adam Jatowt | I-Chen Hung | Michael Färber | Ricardo Campos | Masatoshi Yoshikawa
Advances in Information Retrieval - 43rd European Conference on IR Research, ECIR 2021, Virtual Event, March 28 - April 1, 2021, Proceedings, Part I

2020

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Answering Event-Related Questions over Long-Term News Article Archives
Jiexin Wang | Adam Jatowt | Michael Färber | Masatoshi Yoshikawa
Advances in Information Retrieval - 42nd European Conference on IR Research, ECIR 2020, Lisbon, Portugal, April 14-17, 2020, Proceedings, Part I

2019

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Identifying Entity Properties from Text with Zero-shot Learning
Wiradee Imrattanatrai | Makoto P. Kato | Masatoshi Yoshikawa
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019

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Analyzing the Effects of Document's Opinion and Credibility on Search Behaviors and Belief Dynamics
Suppanut Pothirattanachaikul | Takehiro Yamamoto | Yusuke Yamamoto | Masatoshi Yoshikawa
Proceedings of the 28th ACM International Conference on Information and Knowledge Management, CIKM 2019, Beijing, China, November 3-7, 2019

2018

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Understanding Characteristics of Biased Sentences in News Articles
Sora Lim | Adam Jatowt | Masatoshi Yoshikawa
Proceedings of the CIKM 2018 Workshops co-located with 27th ACM International Conference on Information and Knowledge Management (CIKM 2018), Torino, Italy, October 22, 2018

2017

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Asian Summer School in Information Access (ASSIA 2017)
Makoto P. Kato | Takehiro Yamamoto | Hideo Joho | Masatoshi Yoshikawa
2017 Volume 51 Issue 3

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How to Balance Privacy and Money through Pricing Mechanism in Personal Data Market
Rachana Nget | Yang Cao | Masatoshi Yoshikawa
Proceedings of the SIGIR 2017 Workshop On eCommerce co-located with the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, eCOM@SIGIR 2017, Tokyo, Japan, August 11, 2017

2016

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Evaluation with Confusable Ground Truth
Jiyi Li | Masatoshi Yoshikawa
Information Retrieval Technology - 12th Asia Information Retrieval Societies Conference, AIRS 2016, Beijing, China, November 30 - December 2, 2016, Proceedings

2015

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Towards Support for Understanding Classical Music: Alignment of Content Descriptions on the Web
Taku Kuribayashi | Yasuhito Asano | Masatoshi Yoshikawa
Proceedings of the 16th International Society for Music Information Retrieval Conference, ISMIR 2015, Málaga, Spain, October 26-30, 2015

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A Keyword Recommendation Method Using CorKeD Words and Its Application to Earth Science Data
Youichi Ishida | Toshiyuki Shimizu | Masatoshi Yoshikawa
Information Retrieval Technology - 11th Asia Information Retrieval Societies Conference, AIRS 2015, Brisbane, QLD, Australia, December 2-4, 2015. Proceedings

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Enrichment of Academic Search Engine Results Pages by Citation-Based Graphs
Shuhei Shogen | Toshiyuki Shimizu | Masatoshi Yoshikawa
Information Retrieval Technology - 11th Asia Information Retrieval Societies Conference, AIRS 2015, Brisbane, QLD, Australia, December 2-4, 2015. Proceedings

2013

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Assessing quality score of Wikipedia article using mutual evaluation of editors and texts
Yu Suzuki | Masatoshi Yoshikawa
22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013

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Ranking method specialized for content descriptions of classical music
Taku Kuribayashi | Yasuhito Asano | Masatoshi Yoshikawa
22nd International World Wide Web Conference, WWW '13, Rio de Janeiro, Brazil, May 13-17, 2013, Companion Volume

2012

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Effective Keyword-Based XML Retrieval Using the Data-Centric and Document-Centric Features
Tsubasa Tanabe | Toshiyuki Shimizu | Masatoshi Yoshikawa
Information Retrieval Technology, 8th Asia Information Retrieval Societies Conference, AIRS 2012, Tianjin, China, December 17-19, 2012. Proceedings

2011

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Ranking Content-Based Social Images Search Results with Social Tags
Jiyi Li | Qiang Ma | Yasuhito Asano | Masatoshi Yoshikawa
Information Retrieval Technology - 7th Asia Information Retrieval Societies Conference, AIRS 2011, Dubai, United Arab Emirates, December 18-20, 2011. Proceedings

2009

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The Effectiveness of Latent Semantic Analysis for Building Up a Bottom-up Taxonomy from Folksonomy Tags
Takeharu Eda | Masatoshi Yoshikawa | Toshio Uchiyama | Tadasu Uchiyama
2009 Volume 12 Issue 4

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Signaling emotion in tagclouds
Takeharu Eda | Toshio Uchiyama | Tadasu Uchiyama | Masatoshi Yoshikawa
Proceedings of the 18th International Conference on World Wide Web, WWW 2009, Madrid, Spain, April 20-24, 2009

2004

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Adaptive web search based on user profile constructed without any effort from users
Kazunari Sugiyama | Kenji Hatano | Masatoshi Yoshikawa
Proceedings of the 13th international conference on World Wide Web, WWW 2004, New York, NY, USA, May 17-20, 2004

2003

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Enhancing cross-language information retrieval by an automatic acquisition of bilingual terminology from comparable corpora
Fatiha Sadat | Masatoshi Yoshikawa | Shunsuke Uemura
SIGIR 2003: Proceedings of the 26th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, July 28 - August 1, 2003, Toronto, Canada

2001

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Query Expansion Techniques for the CLEF Bilingual Track
Fatiha Sadat | Akira Maeda | Masatoshi Yoshikawa | Shunsuke Uemura
Working Notes for CLEF 2001 Workshop co-located with the 5th European Conference on Digital Libraries (ECDL 2001), Darmstadt, Germany, September 3-4, 2001

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Query Expansion Techniques for the CLEF Bilingual Track
Fatiha Sadat | Akira Maeda | Masatoshi Yoshikawa | Shunsuke Uemura
Evaluation of Cross-Language Information Retrieval Systems, Second Workshop of the Cross-Language Evaluation Forum, CLEF 2001, Darmstadt, Germany, September 3-4, 2001, Revised Papers

2000

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The Subspace Coding Method: A New Indexing Scheme for High-Dimensional Data
Yasushi Sakurai | Masatoshi Yoshikawa | Shunsuke Uemura | Haruhiko Kojima
Proceedings of the 2000 ACM CIKM International Conference on Information and Knowledge Management, McLean, VA, USA, November 6-11, 2000

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