Sumio Fujita

According to our database, Sumio Fujita authored at least 84 papers between 1999 and 2024.

Collaborative distances:

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

2024

Over-penalization for Extra Information in Neural IR Models.

Kota Usuha, Makoto P. Kato, Sumio Fujita

Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, 2024

BERT-Based Movie Keyword Search Leveraging User-Generated Movie Rankings and Reviews.

Tensho Miyashita, Yoshiyuki Shoji, Sumio Fujita, Martin J. Dürst

Proceedings of the IEEE International Conference on Big Data and Smart Computing, 2024

2023

Mechanisms to Address Different Privacy Requirements for Users and Locations.

Ryota Hiraishi, Masatoshi Yoshikawa, Yang Cao, Sumio Fujita, Hidehito Gomi

IEICE Trans. Inf. Syst., December, 2023

Towards Consistency Filtering-Free Unsupervised Learning for Dense Retrieval.

Haoxiang Shi, Sumio Fujita, Tetsuya Sakai

CoRR, 2023

Categorical Diversity-Aware Inner Product Search.

Kohei Hirata, Daichi Amagata, Sumio Fujita, Takahiro Hara

IEEE Access, 2023

What Web Search Behaviors Lead to Online Purchase Satisfaction?

Yuki Yanagida, Makoto P. Kato, Yuka Kawada, Takehiro Yamamoto, Hiroaki Ohshima, Sumio Fujita

Proceedings of the 15th ACM Web Science Conference 2023, 2023

Simpler is Much Faster: Fair and Independent Inner Product Search.

Kazuyoshi Aoyama, Daichi Amagata, Sumio Fujita, Takahiro Hara

Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2023

Movie Keyword Search Using Large-Scale Language Model with User-Generated Rankings and Reviews.

Tensho Miyashita, Yoshiyuki Shoji, Sumio Fujita, Martin J. Dürst

Proceedings of the Information Integration and Web Intelligence, 2023

Generating Fine-Grained Aspect Names from Movie Review Sentences Using Generative Language Model.

Tomohiro Ishii, Yoshiyuki Shoji, Takehiro Yamamoto, Hiroaki Ohshima, Sumio Fujita, Martin J. Dürst

Proceedings of the Information Integration and Web Intelligence, 2023

Analyzing Web Search Queries of Before and After Purchase on e-Commerce Site.

Yuka Kawada, Takehiro Yamamoto, Hiroaki Ohshima, Yuki Yanagida, Makoto P. Kato, Sumio Fujita

Proceedings of the Leveraging Generative Intelligence in Digital Libraries: Towards Human-Machine Collaboration, 2023

2022

Doc2Vec-based Approach for Extracting Diverse Evaluation Expressions from Online Review Data.

Kosuke Kurihara, Yoshiyuki Shoji, Sumio Fujita, Martin J. Dürst

J. Data Intell., 2022

Toward Generating Robot-Robot Natural Counseling Dialogue.

Tomoya Hashiguchi, Takehiro Yamamoto, Sumio Fujita, Hiroaki Ohshima

IEICE Trans. Inf. Syst., 2022

Solving Diversity-Aware Maximum Inner Product Search Efficiently and Effectively.

Kohei Hirata, Daichi Amagata, Sumio Fujita, Takahiro Hara

Proceedings of the RecSys '22: Sixteenth ACM Conference on Recommender Systems, Seattle, WA, USA, September 18, 2022

Do Extractive Summarization Algorithms Amplify Lexical Bias in News Articles?

Rei Shimizu, Sumio Fujita, Tetsuya Sakai

Proceedings of the ICTIR '22: The 2022 ACM SIGIR International Conference on the Theory of Information Retrieval, Madrid, Spain, July 11, 2022

Can a Machine Reading Comprehension Model Improve Ad-hoc Document Retrieval?

Kota Usuha, Makoto P. Kato, Sumio Fujita

Proceedings of the From Born-Physical to Born-Virtual: Augmenting Intelligence in Digital Libraries, 2022

Learned k-NN distance estimation.

Daichi Amagata, Yusuke Arai, Sumio Fujita, Takahiro Hara

Proceedings of the 30th International Conference on Advances in Geographic Information Systems, 2022

Mitigating Privacy Vulnerability Caused by Map Asymmetry.

Ryota Hiraishi, Masatoshi Yoshikawa, Shun Takagi, Yang Cao, Sumio Fujita, Hidehito Gomi

Proceedings of the Data and Applications Security and Privacy XXXVI, 2022

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, 2022

2021

Influenza Surveillance using Search Engine, SNS, On-line Shopping, Q&A Service and Past Flu Patients.

Taichi Murayama, Nobuyuki Shimizu, Sumio Fujita, Shoko Wakamiya, Eiji Aramaki

CoRR, 2021

TKB48 at TREC 2021 News Track.

Lirong Zhang, Hideo Joho, Sumio Fujita

Proceedings of the Thirtieth Text REtrieval Conference, 2021

TKB48 at TREC 2021 Fairness Ranking Track.

Zhuoqi Jin, Hideo Joho, Sumio Fujita

Proceedings of the Thirtieth Text REtrieval Conference, 2021

TKB48 at TREC 2021 Conversational Assistance Track.

Yubo Fang, Hideo Joho, Sumio Fujita

Proceedings of the Thirtieth Text REtrieval Conference, 2021

BanditRank: Learning to Rank Using Contextual Bandits.

Phanideep Gampa, Sumio Fujita

Proceedings of the Advances in Knowledge Discovery and Data Mining, 2021

Learning to Rank-based Approach for Movie Search by Keyword Query and Example Query.

Kosuke Kurihara, Yoshiyuki Shoji, Sumio Fujita, Martin J. Dürst

Proceedings of the iiWAS2021: The 23rd International Conference on Information Integration and Web Intelligence, Linz, Austria, 29 November 2021, 2021

What Makes a Review Encouraging: Feature Analysis of User Access Logs in a Large-scale Online Movie Review Site.

Kakeru Ito, Yoshiyuki Shoji, Sumio Fujita, Martin J. Dürst

Proceedings of the iiWAS2021: The 23rd International Conference on Information Integration and Web Intelligence, Linz, Austria, 29 November 2021, 2021

How Do Users Revise Zero-Hit Product Search Queries?

Yuki Amemiya, Tomohiro Manabe, Sumio Fujita, Tetsuya Sakai

Proceedings of the Advances in Information Retrieval, 2021

LGTM: A Fast and Accurate kNN Search Algorithm in High-Dimensional Spaces.

Yusuke Arai, Daichi Amagata, Sumio Fujita, Takahiro Hara

Proceedings of the Database and Expert Systems Applications, 2021

2020

Syndromic surveillance using search query logs and user location information from smartphones against COVID-19 clusters in Japan.

Shohei Hisada, Taichi Murayama, Kota Tsubouchi, Sumio Fujita, Shuntaro Yada, Shoko Wakamiya, Eiji Aramaki

CoRR, 2020

Cross-Domain Rating Prediction for Market Development.

Yuki Otsuka, Makoto P. Kato, Sumio Fujita, Masatoshi Yoshikawa

Proceedings of the IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology, 2020

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, 2020

Augmentation of Local Government FAQs using Community-based Question-answering Data.

Yohei Seki, Masaki Oguni, Sumio Fujita

Proceedings of the iiWAS '20: The 22nd International Conference on Information Integration and Web-based Applications & Services, Virtual Event / Chiang Mai, Thailand, November 30, 2020

What Rankers Can be Statistically Distinguished in Multileaved Comparisons?

Makoto P. Kato, Akiomi Nishida, Tomohiro Manabe, Sumio Fujita, Takehiro Yamamoto

Proceedings of the CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, 2020

2019

Online Evaluations of Features and Ranking Models for Question Retrieval.

Tomohiro Manabe, Sumio Fujita, Akiomi Nishida

Proceedings of the NII Testbeds and Community for Information Access Research, 2019

Final Report of the NTCIR-14 OpenLiveQ-2 Task.

Makoto P. Kato, Akiomi Nishida, Tomohiro Manabe, Sumio Fujita, Takehiro Yamamoto

Proceedings of the NII Testbeds and Community for Information Access Research, 2019

Target-Topic Aware Doc2Vec for Short Sentence Retrieval from User Generated Content.

Kosuke Kurihara, Yoshiyuki Shoji, Sumio Fujita, Martin J. Dürst

Proceedings of the 21st International Conference on Information Integration and Web-based Applications & Services, 2019

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, 2019

Arc Loss: Softmax with Additive Angular Margin for Answer Retrieval.

Rikiya Suzuki, Sumio Fujita, Tetsuya Sakai

Proceedings of the Information Retrieval Technology, 2019

Towards Automatic Evaluation of Reused Answers in Community Question Answering.

Hsin Wen Liu, Sumio Fujita, Tetsuya Sakai

Proceedings of the Information Retrieval Technology, 2019

Unsupervised Answer Retrieval with Data Fusion for Community Question Answering.

Sosuke Kato, Toru Shimizu, Sumio Fujita, Tetsuya Sakai

Proceedings of the Information Retrieval Technology, 2019

Stochastic Submodular Maximization with Performance-Dependent Item Costs.

Takuro Fukunaga, Takuya Konishi, Sumio Fujita, Ken-ichi Kawarabayashi

Proceedings of the Thirty-Third AAAI Conference on Artificial Intelligence, 2019

2018

Mining Alternative Actions from Community Q&A Corpus.

Suppanut Pothirattanachaikul, Takehiro Yamamoto, Sumio Fujita, Akira Tajima, Katsumi Tanaka, Masatoshi Yoshikawa

J. Inf. Process., 2018

Scalable Twitter user clustering approach boosted by Personalized PageRank.

Anup Naik, Hideyuki Maeda, Vibhor Kanojia, Sumio Fujita

Int. J. Data Sci. Anal., 2018

From VQA to Multimodal CQA: Adapting Visual QA Models for Community QA Tasks.

Avikalp Srivastava, Hsin Wen Liu, Sumio Fujita

CoRR, 2018

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, 2018

Boosting PageRank Scores by Optimizing Internal Link Structure.

Naoto Ohsaka, Tomohiro Sonobe, Naonori Kakimura, Takuro Fukunaga, Sumio Fujita, Ken-ichi Kawarabayashi

Proceedings of the Database and Expert Systems Applications, 2018

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, 2018

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, 2018

AdaFlock: Adaptive Feature Discovery for Human-in-the-loop Predictive Modeling.

Ryusuke Takahama, Yukino Baba, Nobuyuki Shimizu, Sumio Fujita, Hisashi Kashima

Proceedings of the Thirty-Second AAAI Conference on Artificial Intelligence, 2018

2017

A Short Note on Proximity-based Scoring of Documents with Multiple Fields.

Tomohiro Manabe, Sumio Fujita

CoRR, 2017

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, 2017

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, 2017

Mining alternative actions from community Q&A corpus for task-oriented web search.

Suppanut Pothirattanachaikul, Takehiro Yamamoto, Sumio Fujita, Akira Tajima, Katsumi Tanaka

Proceedings of the International Conference on Web Intelligence, 2017

Coarsening Massive Influence Networks for Scalable Diffusion Analysis.

Naoto Ohsaka, Tomohiro Sonobe, Sumio Fujita, Ken-ichi Kawarabayashi

Proceedings of the 2017 ACM International Conference on Management of Data, 2017

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, 2017

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, 2017

YJRS at the NTCIR-13 OpenLiveQ Task.

Tomohiro Manabe, Akiomi Nishida, Sumio Fujita

Proceedings of the 13th NTCIR Conference, 2017

Overview of the NTCIR-13 OpenLiveQ Task.

Makoto P. Kato, Takehiro Yamamoto, Tomohiro Manabe, Akiomi Nishida, Sumio Fujita

Proceedings of the 13th NTCIR Conference, 2017

Dual Constrained Question Embeddings with Relational Knowledge Bases for Simple Question Answering.

Kaustubh Kulkarni, Riku Togashi, Hideyuki Maeda, Sumio Fujita

Proceedings of the Eighth International Joint Conference on Natural Language Processing, 2017

Online Optimization of Video-Ad Allocation.

Hanna Sumita, Yasushi Kawase, Sumio Fujita, Takuro Fukunaga

Proceedings of the Twenty-Sixth International Joint Conference on Artificial Intelligence, 2017

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, 2017

Text Similarity Function Based on Word Embeddings for Short Text Analysis.

Adrián Jiménez Pascual, Sumio Fujita

Proceedings of the Computational Linguistics and Intelligent Text Processing, 2017

2016

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, 2016

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, 2016

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, 2016

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, 2016

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, 2016

2015

Who Stays Longer in Community QA Media? - User Behavior Analysis in cQA -.

Yoshiyuki Shoji, Sumio Fujita, Akira Tajima, Katsumi Tanaka

Proceedings of the Social Informatics - 7th International Conference, 2015

2012

Learning to Rank Query Recommendations by Semantic Similarities

Sumio Fujita, Georges Dupret, Ricardo Baeza-Yates

CoRR, 2012

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, 2012

2010

Using Related Queries to Improve Web Search Results Ranking.

Georges Dupret, Ricardo Zilleruelo-Ramos, Sumio Fujita

Proceedings of the String Processing and Information Retrieval, 2010

Click-graph modeling for facet attribute estimation of web search queries.

Sumio Fujita, Keigo Machinaga, Georges Dupret

Proceedings of the Recherche d'Information Assistée par Ordinateur, 2010

2009

Retrieval parameter optimization using genetic algorithms.

Sumio Fujita

Inf. Process. Manag., 2009

2007

Technology survey and invalidity search: A comparative study of different tasks for Japanese patent document retrieval.

Sumio Fujita

Inf. Process. Manag., 2007

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, 2007

2005

Revisiting Document Length Hypotheses: A Comparative Study of Japanese Newspaper and Patent Retrieval.

Sumio Fujita

ACM Trans. Asian Lang. Inf. Process., 2005

NTCIR-2 as a Rosetta stone in laboratory experiments of IR systems.

Sumio Fujita

Inf. Process. Manag., 2005

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, 2005

2004

Revisiting Again Document Length Hypotheses TREC 2004 Genomics Track Experiments at Patolis.

Sumio Fujita

Proceedings of the Thirteenth Text REtrieval Conference, 2004

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, 2004

2001

More Reflections on "Aboutness" TREC-2001 Evaluation Experiments at Justsystem.

Sumio Fujita

Proceedings of The Tenth Text REtrieval Conference, 2001

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, 2001

2000

Reflections on "Aboutness" TREC-9 Evaluation Experiments at Justsystem.

Sumio Fujita

Proceedings of The Ninth Text REtrieval Conference, 2000

Evaluation of Japanese Phrasal Indexing with Large Test Collection.

Sumio Fujita

Proceedings of the Computer-Assisted Information Retrieval (Recherche d'Information et ses Applications), 2000

1999

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, 1999