Sumio Fujita


2022

doi dblp
Do Extractive Summarization Algorithms Amplify Lexical Bias in News Articles?
Rei Shimizu | Sumio Fujita | Tetsuya Sakai
ICTIR '22: The 2022 ACM SIGIR International Conference on the Theory of Information Retrieval, Madrid, Spain, July 11 - 12, 2022

doi dblp
Selectively Expanding Queries and Documents for News Background Linking
Lirong Zhang | Hideo Joho | Sumio Fujita | Haitao Yu
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022

2021

doi dblp
How Do Users Revise Zero-Hit Product Search Queries?
Yuki Amemiya | Tomohiro Manabe | Sumio Fujita | Tetsuya Sakai
Advances in Information Retrieval - 43rd European Conference on IR Research, ECIR 2021, Virtual Event, March 28 - April 1, 2021, Proceedings, Part II

2020

doi dblp
Automatic Evaluation of Iconic Image Retrieval based on Colour, Shape, and Texture
Riku Togashi | Sumio Fujita | Tetsuya Sakai
Proceedings of the 2020 on International Conference on Multimedia Retrieval, ICMR 2020, Dublin, Ireland, June 8-11, 2020

doi dblp
What Rankers Can be Statistically Distinguished in Multileaved Comparisons?
Makoto P. Kato | Akiomi Nishida | Tomohiro Manabe | Sumio Fujita | Takehiro Yamamoto
CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020

2019

doi dblp
Online Evaluations of Features and Ranking Models for Question Retrieval
Tomohiro Manabe | Sumio Fujita | Akiomi Nishida
NII Testbeds and Community for Information Access Research - 14th International Conference, NTCIR 2019, Tokyo, Japan, June 10-13, 2019, Revised Selected Papers

doi dblp
Final Report of the NTCIR-14 OpenLiveQ-2 Task
Makoto P. Kato | Akiomi Nishida | Tomohiro Manabe | Sumio Fujita | Takehiro Yamamoto
NII Testbeds and Community for Information Access Research - 14th International Conference, NTCIR 2019, Tokyo, Japan, June 10-13, 2019, Revised Selected Papers

doi dblp
Arc Loss: Softmax with Additive Angular Margin for Answer Retrieval
Rikiya Suzuki | Sumio Fujita | Tetsuya Sakai
Information Retrieval Technology - 15th Asia Information Retrieval Societies Conference, AIRS 2019, Hong Kong, November 7-9, 2019, Proceedings

doi dblp
Unsupervised Answer Retrieval with Data Fusion for Community Question Answering
Sosuke Kato | Toru Shimizu | Sumio Fujita | Tetsuya Sakai
Information Retrieval Technology - 15th Asia Information Retrieval Societies Conference, AIRS 2019, Hong Kong, November 7-9, 2019, Proceedings

doi dblp
Towards Automatic Evaluation of Reused Answers in Community Question Answering
Hsin Wen Liu | Sumio Fujita | Tetsuya Sakai
Information Retrieval Technology - 15th Asia Information Retrieval Societies Conference, AIRS 2019, Hong Kong, November 7-9, 2019, Proceedings

doi dblp
Adapting Visual Question Answering Models for Enhancing Multimodal Community Q&A Platforms
Avikalp Srivastava | Hsin Wen Liu | Sumio Fujita
Proceedings of the 28th ACM International Conference on Information and Knowledge Management, CIKM 2019, Beijing, China, November 3-7, 2019

2018

doi dblp
Classifying Community QA Questions That Contain an Image
Kenta Tamaki | Riku Togashi | Sosuke Kato | Sumio Fujita | Hideyuki Maeda | Tetsuya Sakai
Proceedings of the 2018 ACM SIGIR International Conference on Theory of Information Retrieval, ICTIR 2018, Tianjin, China, September 14-17, 2018

doi dblp
Challenges of Multileaved Comparison in Practice: Lessons from NTCIR-13 OpenLiveQ Task
Makoto P. Kato | Tomohiro Manabe | Sumio Fujita | Akiomi Nishida | Takehiro Yamamoto
Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018

doi dblp
Exploring People's Attitudes and Behaviors Toward Careful Information Seeking in Web Search
Takehiro Yamamoto | Yusuke Yamamoto | Sumio Fujita
Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018

2017

pdf dblp
YJRS at the NTCIR-13 OpenLiveQ Task
Tomohiro Manabe | Akiomi Nishida | Sumio Fujita
The 13th NTCIR Conference, Evaluation of Information Access Technologies, National Center of Sciences, Tokyo, Japan, December 5-8, 2017

pdf dblp
Overview of the NTCIR-13 OpenLiveQ Task
Makoto P. Kato | Takehiro Yamamoto | Tomohiro Manabe | Akiomi Nishida | Sumio Fujita
The 13th NTCIR Conference, Evaluation of Information Access Technologies, National Center of Sciences, Tokyo, Japan, December 5-8, 2017

doi dblp
Mobile Vertical Ranking based on Preference Graphs
Yuta Kadotami | Yasuaki Yoshida | Sumio Fujita | Tetsuya Sakai
Proceedings of the ACM SIGIR International Conference on Theory of Information Retrieval, ICTIR 2017, Amsterdam, The Netherlands, October 1-4, 2017

doi dblp
LSTM vs. BM25 for Open-domain QA: A Hands-on Comparison of Effectiveness and Efficiency
Sosuke Kato | Riku Togashi | Hideyuki Maeda | Sumio Fujita | Tetsuya Sakai
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017

doi dblp
A Comparative Live Evaluation of Multileaving Methods on a Commercial cQA Search
Tomohiro Manabe | Akiomi Nishida | Makoto P. Kato | Takehiro Yamamoto | Sumio Fujita
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017

doi dblp
Euclidean Image Embedding in view of Similarity Ranking in Auction Search by Image
Riku Togashi | Hideyuki Maeda | Vibhor Kanojia | Kousuke Morimoto | Sumio Fujita
Proceedings of the 26th International Conference on World Wide Web Companion, Perth, Australia, April 3-7, 2017

doi dblp
Enhancing Knowledge Graph Embedding with Probabilistic Negative Sampling
Vibhor Kanojia | Hideyuki Maeda | Riku Togashi | Sumio Fujita
Proceedings of the 26th International Conference on World Wide Web Companion, Perth, Australia, April 3-7, 2017

2016

doi dblp
Extracting Search Query Patterns via the Pairwise Coupled Topic Model
Takuya Konishi | Takuya Ohwa | Sumio Fujita | Kazushi Ikeda | Kohei Hayashi
Proceedings of the Ninth ACM International Conference on Web Search and Data Mining, San Francisco, CA, USA, February 22-25, 2016

pdf dblp
YJST at the NTCIR-12 MobileClick-2 Task
Yuya Ozawa | Taichi Yatsuka | Sumio Fujita
Proceedings of the 12th NTCIR Conference on Evaluation of Information Access Technologies, National Center of Sciences, Tokyo, Japan, June 7-10, 2016

pdf dblp
YJST at the NTCIR-12 IMine-2 Task
Yasuaki Yoshida | Hideyuki Maeda | Tatsuhiro Niwa | Sumio Fujita
Proceedings of the 12th NTCIR Conference on Evaluation of Information Access Technologies, National Center of Sciences, Tokyo, Japan, June 7-10, 2016

pdf dblp
Overview of the NTCIR-12 MobileClick-2 Task
Makoto P. Kato | Tetsuya Sakai | Takehiro Yamamoto | Virgil Pavlu | Hajime Morita | Sumio Fujita
Proceedings of the 12th NTCIR Conference on Evaluation of Information Access Technologies, National Center of Sciences, Tokyo, Japan, June 7-10, 2016

pdf dblp
Overview of the NTCIR-12 IMine-2 Task
Takehiro Yamamoto | Yiqun Liu | Min Zhang | Zhicheng Dou | Ke Zhou | Ilya Markov | Makoto P. Kato | Hiroaki Ohshima | Sumio Fujita
Proceedings of the 12th NTCIR Conference on Evaluation of Information Access Technologies, National Center of Sciences, Tokyo, Japan, June 7-10, 2016

2012

doi dblp
Semantics of query rewriting patterns in search logs
Sumio Fujita | Georges Dupret | Ricardo Baeza-Yates
Proceedings of the Fifth workshop on Exploiting Semantic Annotations in Information Retrieval, ESAIR 2012, Maui, HI, USA, October 28, 2012

2010

doi dblp
Using Related Queries to Improve Web Search Results Ranking
Georges Dupret | Ricardo Zilleruelo-Ramos | Sumio Fujita
String Processing and Information Retrieval - 17th International Symposium, SPIRE 2010, Los Cabos, Mexico, October 11-13, 2010. Proceedings

dblp
Click-graph modeling for facet attribute estimation of web search queries
Sumio Fujita | Keigo Machinaga | Georges Dupret
Recherche d'Information Assistée par Ordinateur, RIAO 2010: Adaptivity, Personalization and Fusion of Heterogeneous Information, 9th International Conference, Bibliotheque Nationale de France, Paris, France, April 28-30, 2010, Proceedings

2009

doi dblp
Retrieval parameter optimization using genetic algorithms
Sumio Fujita
2009 Volume 45 Issue 6

2007

doi dblp
Technology survey and invalidity search: A comparative study of different tasks for Japanese patent document retrieval
Sumio Fujita
2007 Volume 43 Issue 5

pdf dblp
NTCIR-6 CLIR-J-J Experiments at Yahoo! Japan
Sumio Fujita
Proceedings of the 6th NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, NTCIR-6, National Center of Sciences, Tokyo, Japan, May 15-18, 2007

2005

doi dblp
NTCIR-2 as a Rosetta stone in laboratory experiments of IR systems
Sumio Fujita
2005 Volume 41 Issue 3

pdf dblp
A Decade after TREC-4 - NTCIR-5 CLIR-J-J Experiments at Yahoo!Japan
Sumio Fujita
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

pdf dblp
Revisiting Document Length Hypotheses: NTCIR-4 CLIR and Patent Experiments at Patolis
Sumio Fujita
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

pdf dblp
Revisiting Again Document Length Hypotheses TREC 2004 Genomics Track Experiments at Patolis
Sumio Fujita
Proceedings of the Thirteenth Text REtrieval Conference, TREC 2004, Gaithersburg, Maryland, USA, November 16-19, 2004

2001

dblp
Notes on the Limits of CLIR Effectiveness: NTCIR-2 Evaluation Experiments at Justsystem
Sumio Fujita
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

pdf dblp
More Reflections on "Aboutness" TREC-2001 Evaluation Experiments at Justsystem
Sumio Fujita
Proceedings of The Tenth Text REtrieval Conference, TREC 2001, Gaithersburg, Maryland, USA, November 13-16, 2001

2000

pdf dblp
Reflections on "Aboutness" TREC-9 Evaluation Experiments at Justsystem
Sumio Fujita
Proceedings of The Ninth Text REtrieval Conference, TREC 2000, Gaithersburg, Maryland, USA, November 13-16, 2000

dblp
Evaluation of Japanese Phrasal Indexing with Large Test Collection
Sumio Fujita
Computer-Assisted Information Retrieval (Recherche d'Information et ses Applications) - RIAO 2000, 6th International Conference, College de France, France, April 12-14, 2000. Proceedings

1999

pdf dblp
Notes on Phrasal Indexing: JSCB Evaluation Experiments at NTCIR AD HOC
Sumio Fujita
Proceedings of the First NTCIR Workshop on Research in Japanese Text Retrieval and Term Recognition, NTCIR-1, Tokyo, Japan, August 30 - September 1, 1999