Sumio Fujita

Publication Activity (10 Years)

Years Active: 1999-2024
Publications (10 Years): 69

Top Topics

Automatic Evaluation

Document Retrieval

Question Answer

Top Venues

Publications

Tensho Miyashita, Yoshiyuki Shoji, Sumio Fujita, Martin J. Dürst
BERT-Based Movie Keyword Search Leveraging User-Generated Movie Rankings and Reviews. BigComp (2024)
Yuki Yanagida, Makoto P. Kato, Yuka Kawada, Takehiro Yamamoto, Hiroaki Ohshima, Sumio Fujita
What Web Search Behaviors Lead to Online Purchase Satisfaction? WebSci (2023)
Kohei Hirata, Daichi Amagata, Sumio Fujita, Takahiro Hara
Categorical Diversity-Aware Inner Product Search. IEEE Access 11 (2023)
Yuka Kawada, Takehiro Yamamoto, Hiroaki Ohshima, Yuki Yanagida, Makoto P. Kato, Sumio Fujita
Analyzing Web Search Queries of Before and After Purchase on e-Commerce Site. ICADL (1) (2023)
Ryota Hiraishi, Masatoshi Yoshikawa, Yang Cao, Sumio Fujita, Hidehito Gomi
Mechanisms to Address Different Privacy Requirements for Users and Locations. IEICE Trans. Inf. Syst. 106 (12) (2023)
Tomohiro Ishii, Yoshiyuki Shoji, Takehiro Yamamoto, Hiroaki Ohshima, Sumio Fujita, Martin J. Dürst
Generating Fine-Grained Aspect Names from Movie Review Sentences Using Generative Language Model. iiWAS (2023)
Haoxiang Shi, Sumio Fujita, Tetsuya Sakai
Towards Consistency Filtering-Free Unsupervised Learning for Dense Retrieval. CoRR (2023)
Tensho Miyashita, Yoshiyuki Shoji, Sumio Fujita, Martin J. Dürst
Movie Keyword Search Using Large-Scale Language Model with User-Generated Rankings and Reviews. iiWAS (2023)
Kazuyoshi Aoyama, Daichi Amagata, Sumio Fujita, Takahiro Hara
Simpler is Much Faster: Fair and Independent Inner Product Search. SIGIR (2023)
Lirong Zhang, Hideo Joho, Sumio Fujita, Hai-Tao Yu
Selectively Expanding Queries and Documents for News Background Linking. CIKM (2022)
Rei Shimizu, Sumio Fujita, Tetsuya Sakai
Do Extractive Summarization Algorithms Amplify Lexical Bias in News Articles? ICTIR (2022)
Kohei Hirata, Daichi Amagata, Sumio Fujita, Takahiro Hara
Solving Diversity-Aware Maximum Inner Product Search Efficiently and Effectively. RecSys (2022)
Ryota Hiraishi, Masatoshi Yoshikawa, Shun Takagi, Yang Cao, Sumio Fujita, Hidehito Gomi
Mitigating Privacy Vulnerability Caused by Map Asymmetry. DBSec (2022)
Kosuke Kurihara, Yoshiyuki Shoji, Sumio Fujita, Martin J. Dürst
Doc2Vec-based Approach for Extracting Diverse Evaluation Expressions from Online Review Data. J. Data Intell. 3 (4) (2022)
Tomoya Hashiguchi, Takehiro Yamamoto, Sumio Fujita, Hiroaki Ohshima
Toward Generating Robot-Robot Natural Counseling Dialogue. IEICE Trans. Inf. Syst. (5) (2022)
Kota Usuha, Makoto P. Kato, Sumio Fujita
Can a Machine Reading Comprehension Model Improve Ad-hoc Document Retrieval? ICADL (2022)
Daichi Amagata, Yusuke Arai, Sumio Fujita, Takahiro Hara
Learned k-NN Distance Estimation. CoRR (2022)
Daichi Amagata, Yusuke Arai, Sumio Fujita, Takahiro Hara
Learned k-NN distance estimation. SIGSPATIAL/GIS (2022)
Lirong Zhang, Hideo Joho, Sumio Fujita
TKB48 at TREC 2021 News Track. TREC (2021)
Yuki Amemiya, Tomohiro Manabe, Sumio Fujita, Tetsuya Sakai
How Do Users Revise Zero-Hit Product Search Queries? ECIR (2) (2021)
Taichi Murayama, Nobuyuki Shimizu, Sumio Fujita, Shoko Wakamiya, Eiji Aramaki
Influenza Surveillance using Search Engine, SNS, On-line Shopping, Q&A Service and Past Flu Patients. CoRR (2021)
Kosuke Kurihara, Yoshiyuki Shoji, Sumio Fujita, Martin J. Dürst
Doc2Vec-based Approach for Extracting Diverse Evaluation Expressions from Online Review Data. iiWAS (2021)
Yusuke Arai, Daichi Amagata, Sumio Fujita, Takahiro Hara
LGTM: A Fast and Accurate kNN Search Algorithm in High-Dimensional Spaces. DEXA (2) (2021)
Kakeru Ito, Yoshiyuki Shoji, Sumio Fujita, Martin J. Dürst
What Makes a Review Encouraging: Feature Analysis of User Access Logs in a Large-scale Online Movie Review Site. iiWAS (2021)
Kosuke Kurihara, Yoshiyuki Shoji, Sumio Fujita, Martin J. Dürst
Learning to Rank-based Approach for Movie Search by Keyword Query and Example Query. iiWAS (2021)
Phanideep Gampa, Sumio Fujita
BanditRank: Learning to Rank Using Contextual Bandits. PAKDD (3) (2021)
Yubo Fang, Hideo Joho, Sumio Fujita
TKB48 at TREC 2021 Conversational Assistance Track. TREC (2021)
Zhuoqi Jin, Hideo Joho, Sumio Fujita
TKB48 at TREC 2021 Fairness Ranking Track. TREC (2021)
Yuki Otsuka, Makoto P. Kato, Sumio Fujita, Masatoshi Yoshikawa
Cross-Domain Rating Prediction for Market Development. WI/IAT (2020)
Riku Togashi, Sumio Fujita, Tetsuya Sakai
Automatic Evaluation of Iconic Image Retrieval based on Colour, Shape, and Texture. ICMR (2020)
Makoto P. Kato, Akiomi Nishida, Tomohiro Manabe, Sumio Fujita, Takehiro Yamamoto
What Rankers Can be Statistically Distinguished in Multileaved Comparisons? CIKM (2020)
Yohei Seki, Masaki Oguni, Sumio Fujita
Augmentation of Local Government FAQs using Community-based Question-answering Data. iiWAS (2020)
Shohei Hisada, Taichi Murayama, Kota Tsubouchi, Sumio Fujita, Shuntaro Yada, Shoko Wakamiya, Eiji Aramaki
Syndromic surveillance using search query logs and user location information from smartphones against COVID-19 clusters in Japan. CoRR (2020)
Takuro Fukunaga, Takuya Konishi, Sumio Fujita, Ken-ichi Kawarabayashi
Stochastic Submodular Maximization with Performance-Dependent Item Costs. AAAI (2019)
Hsin Wen Liu, Sumio Fujita, Tetsuya Sakai
Towards Automatic Evaluation of Reused Answers in Community Question Answering. AIRS (2019)
Makoto P. Kato, Akiomi Nishida, Tomohiro Manabe, Sumio Fujita, Takehiro Yamamoto
Final Report of the NTCIR-14 OpenLiveQ-2 Task. NTCIR (2019)
Rikiya Suzuki, Sumio Fujita, Tetsuya Sakai
Arc Loss: Softmax with Additive Angular Margin for Answer Retrieval. AIRS (2019)
Sosuke Kato, Toru Shimizu, Sumio Fujita, Tetsuya Sakai
Unsupervised Answer Retrieval with Data Fusion for Community Question Answering. AIRS (2019)
Avikalp Srivastava, Hsin Wen Liu, Sumio Fujita
Adapting Visual Question Answering Models for Enhancing Multimodal Community Q&A Platforms. CIKM (2019)
Kosuke Kurihara, Yoshiyuki Shoji, Sumio Fujita, Martin J. Dürst
Target-Topic Aware Doc2Vec for Short Sentence Retrieval from User Generated Content. iiWAS (2019)
Tomohiro Manabe, Sumio Fujita, Akiomi Nishida
Online Evaluations of Features and Ranking Models for Question Retrieval. NTCIR (2019)
Phanideep Gampa, Sumio Fujita
BanditRank: Learning to Rank Using Contextual Bandits. CoRR (2019)
Anup Naik, Hideyuki Maeda, Vibhor Kanojia, Sumio Fujita
Scalable Twitter user clustering approach boosted by Personalized PageRank. Int. J. Data Sci. Anal. 6 (4) (2018)
Takehiro Yamamoto, Yusuke Yamamoto, Sumio Fujita
Exploring People's Attitudes and Behaviors Toward Careful Information Seeking in Web Search. CIKM (2018)
Suppanut Pothirattanachaikul, Takehiro Yamamoto, Sumio Fujita, Akira Tajima, Katsumi Tanaka, Masatoshi Yoshikawa
Mining Alternative Actions from Community Q&A Corpus. J. Inf. Process. 26 (2018)
Kenta Tamaki, Riku Togashi, Sosuke Kato, Sumio Fujita, Hideyuki Maeda, Tetsuya Sakai
Classifying Community QA Questions That Contain an Image. ICTIR (2018)
Ryusuke Takahama, Yukino Baba, Nobuyuki Shimizu, Sumio Fujita, Hisashi Kashima
AdaFlock: Adaptive Feature Discovery for Human-in-the-loop Predictive Modeling. AAAI (2018)
Naoto Ohsaka, Tomohiro Sonobe, Naonori Kakimura, Takuro Fukunaga, Sumio Fujita, Ken-ichi Kawarabayashi
Boosting PageRank Scores by Optimizing Internal Link Structure. DEXA (1) (2018)
Makoto P. Kato, Tomohiro Manabe, Sumio Fujita, Akiomi Nishida, Takehiro Yamamoto
Challenges of Multileaved Comparison in Practice: Lessons from NTCIR-13 OpenLiveQ Task. CIKM (2018)
Avikalp Srivastava, Hsin Wen Liu, Sumio Fujita
From VQA to Multimodal CQA: Adapting Visual QA Models for Community QA Tasks. CoRR (2018)
Vibhor Kanojia, Hideyuki Maeda, Riku Togashi, Sumio Fujita
Enhancing Knowledge Graph Embedding with Probabilistic Negative Sampling. WWW (Companion Volume) (2017)
Makoto P. Kato, Takehiro Yamamoto, Tomohiro Manabe, Akiomi Nishida, Sumio Fujita
Overview of the NTCIR-13 OpenLiveQ Task. NTCIR (2017)
Kaustubh Kulkarni, Riku Togashi, Hideyuki Maeda, Sumio Fujita
Dual Constrained Question Embeddings with Relational Knowledge Bases for Simple Question Answering. IJCNLP(2) (2017)
Tomohiro Manabe, Sumio Fujita
A Short Note on Proximity-based Scoring of Documents with Multiple Fields. CoRR (2017)
Tomohiro Manabe, Akiomi Nishida, Sumio Fujita
YJRS at the NTCIR-13 OpenLiveQ Task. NTCIR (2017)
Suppanut Pothirattanachaikul, Takehiro Yamamoto, Sumio Fujita, Akira Tajima, Katsumi Tanaka
Mining alternative actions from community Q&A corpus for task-oriented web search. WI (2017)
Tomohiro Manabe, Akiomi Nishida, Makoto P. Kato, Takehiro Yamamoto, Sumio Fujita
A Comparative Live Evaluation of Multileaving Methods on a Commercial cQA Search. SIGIR (2017)
Anup Naik, Hideyuki Maeda, Vibhor Kanojia, Sumio Fujita
Scalable Twitter User Clustering Approach Boosted by Personalized PageRank. PAKDD (1) (2017)
Naoto Ohsaka, Tomohiro Sonobe, Sumio Fujita, Ken-ichi Kawarabayashi
Coarsening Massive Influence Networks for Scalable Diffusion Analysis. SIGMOD Conference (2017)
Hanna Sumita, Yasushi Kawase, Sumio Fujita, Takuro Fukunaga
Online Optimization of Video-Ad Allocation. IJCAI (2017)
Yuta Kadotami, Yasuaki Yoshida, Sumio Fujita, Tetsuya Sakai
Mobile Vertical Ranking based on Preference Graphs. ICTIR (2017)
Sosuke Kato, Riku Togashi, Hideyuki Maeda, Sumio Fujita, Tetsuya Sakai
LSTM vs. BM25 for Open-domain QA: A Hands-on Comparison of Effectiveness and Efficiency. SIGIR (2017)
Adrián Jiménez Pascual, Sumio Fujita
Text Similarity Function Based on Word Embeddings for Short Text Analysis. CICLing (1) (2017)
Riku Togashi, Hideyuki Maeda, Vibhor Kanojia, Kousuke Morimoto, Sumio Fujita
Euclidean Image Embedding in view of Similarity Ranking in Auction Search by Image. WWW (Companion Volume) (2017)
Makoto P. Kato, Tetsuya Sakai, Takehiro Yamamoto, Virgil Pavlu, Hajime Morita, Sumio Fujita
Overview of the NTCIR-12 MobileClick-2 Task. NTCIR (2016)
Takuya Konishi, Takuya Ohwa, Sumio Fujita, Kazushi Ikeda, Kohei Hayashi
Extracting Search Query Patterns via the Pairwise Coupled Topic Model. WSDM (2016)
Yuya Ozawa, Taichi Yatsuka, Sumio Fujita
YJST at the NTCIR-12 MobileClick-2 Task. NTCIR (2016)
Yasuaki Yoshida, Hideyuki Maeda, Tatsuhiro Niwa, Sumio Fujita
YJST at the NTCIR-12 IMine-2 Task. NTCIR (2016)
Takehiro Yamamoto, Yiqun Liu, Min Zhang, Zhicheng Dou, Ke Zhou, Ilya Markov, Makoto P. Kato, Hiroaki Ohshima, Sumio Fujita
Overview of the NTCIR-12 IMine-2 Task. NTCIR (2016)
Yoshiyuki Shoji, Sumio Fujita, Akira Tajima, Katsumi Tanaka
Who Stays Longer in Community QA Media? - User Behavior Analysis in cQA -. SocInfo (2015)
Sumio Fujita, Georges Dupret, Ricardo Baeza-Yates
Semantics of query rewriting patterns in search logs. ESAIR (2012)
Sumio Fujita, Georges Dupret, Ricardo Baeza-Yates
Learning to Rank Query Recommendations by Semantic Similarities CoRR (2012)
Georges Dupret, Ricardo Zilleruelo-Ramos, Sumio Fujita
Using Related Queries to Improve Web Search Results Ranking. SPIRE (2010)
Sumio Fujita, Keigo Machinaga, Georges Dupret
Click-graph modeling for facet attribute estimation of web search queries. RIAO (2010)
Sumio Fujita
Retrieval parameter optimization using genetic algorithms. Inf. Process. Manag. 45 (6) (2009)
Sumio Fujita
Technology survey and invalidity search: A comparative study of different tasks for Japanese patent document retrieval. Inf. Process. Manag. 43 (5) (2007)
Sumio Fujita
NTCIR-6 CLIR-J-J Experiments at Yahoo! Japan. NTCIR (2007)
Sumio Fujita
A Decade after TREC-4 - NTCIR-5 CLIR-J-J Experiments at Yahoo!Japan. NTCIR (2005)
Sumio Fujita
Revisiting Document Length Hypotheses: A Comparative Study of Japanese Newspaper and Patent Retrieval. ACM Trans. Asian Lang. Inf. Process. 4 (2) (2005)
Sumio Fujita
NTCIR-2 as a Rosetta stone in laboratory experiments of IR systems. Inf. Process. Manag. 41 (3) (2005)
Sumio Fujita
Revisiting Document Length Hypotheses: NTCIR-4 CLIR and Patent Experiments at Patolis. NTCIR (2004)
Sumio Fujita
Revisiting Again Document Length Hypotheses TREC 2004 Genomics Track Experiments at Patolis. TREC (2004)
Sumio Fujita
Notes on the Limits of CLIR Effectiveness: NTCIR-2 Evaluation Experiments at Justsystem. NTCIR (2001)
Sumio Fujita
More Reflections on "Aboutness" TREC-2001 Evaluation Experiments at Justsystem. TREC (2001)
Sumio Fujita
Reflections on "Aboutness" TREC-9 Evaluation Experiments at Justsystem. TREC (2000)
Sumio Fujita
Evaluation of Japanese Phrasal Indexing with Large Test Collection. RIAO (2000)
Sumio Fujita
Notes on Phrasal Indexing: JSCB Evaluation Experiments at NTCIR AD HOC. NTCIR (1999)