| 2026 | ICDE | Efficient Quantification of Responsibility for the Spread of Misinformation and Disinformation Using the Banzhaf Index. | Masatoshi Yoshikawa, Hayate Asazawa |
| 2025 | ICDE | PGB: Benchmarking Differentially Private Synthetic Graph Generation Algorithms. | Shang Liu, Hao Du, Yang Cao, Bo Yan, Jinfei Liu, Masatoshi Yoshikawa |
| 2024 | DASFAA | Enhancing Privacy of Spatiotemporal Federated Learning Against Gradient Inversion Attacks. | Lele Zheng, Yang Cao, Renhe Jiang, Kenjiro Taura, Yulong Shen, Sheng Li, Masatoshi Yoshikawa |
| 2024 | ICDE | CARGO: Crypto-Assisted Differentially Private Triangle Counting Without Trusted Servers. | Shang Liu, Yang Cao, Takao Murakami, Jinfei Liu, Masatoshi Yoshikawa |
| 2023 | DBSEC | Differentially Private Streaming Data Release Under Temporal Correlations via Post-processing. | Xuyang Cao, Yang Cao, Primal Pappachan, Atsuyoshi Nakamura, Masatoshi Yoshikawa |
| 2023 | ICASSP | General or Specific? Investigating Effective Privacy Protection in Federated Learning for Speech Emotion Recognition. | Chao Tan, Yang Cao, Sheng Li, Masatoshi Yoshikawa |
| 2023 | ICDE | Locally Private Streaming Data Release with Shuffling and Subsampling. | Xiaoyu Li, Yang Cao, Masatoshi Yoshikawa |
| 2023 | SIGIR | BiTimeBERT: Extending Pre-Trained Language Representations with Bi-Temporal Information. | Jiexin Wang, Adam Jatowt, Masatoshi Yoshikawa, Yi Cai |
| 2022 | DBSEC | Mitigating Privacy Vulnerability Caused by Map Asymmetry. | Ryota Hiraishi, Masatoshi Yoshikawa, Shun Takagi, Yang Cao, Sumio Fujita, Hidehito Gomi |
| 2022 | IIWAS | An Accurate, Flexible and Private Trajectory-Based Contact Tracing System on Untrusted Servers. | Ruixuan Cao, Fumiyuki Kato, Yang Cao, Masatoshi Yoshikawa |
| 2022 | SIGIR | ArchivalQA: A Large-scale Benchmark Dataset for Open-Domain Question Answering over Historical News Collections. | Jiexin Wang, Adam Jatowt, Masatoshi Yoshikawa |
| 2022 | SIGMOD | Network Shuffling: Privacy Amplification via Random Walks. | Seng Pei Liew, Tsubasa Takahashi, Shun Takagi, Fumiyuki Kato, Yang Cao, Masatoshi Yoshikawa |
| 2021 | AAAI | FLAME: Differentially Private Federated Learning in the Shuffle Model. | Ruixuan Liu, Yang Cao, Hong Chen, Ruoyang Guo, Masatoshi Yoshikawa |
| 2021 | ACL | Multi-TimeLine Summarization (MTLS): Improving Timeline Summarization by Generating Multiple Summaries. | Yi Yu, Adam Jatowt, Antoine Doucet, Kazunari Sugiyama, Masatoshi Yoshikawa |
| 2021 | DBSEC | Preventing Manipulation Attack in Local Differential Privacy Using Verifiable Randomization Mechanism. | Fumiyuki Kato, Yang Cao, Masatoshi Yoshikawa |
| 2021 | ECIR | Exploding TV Sets and Disappointing Laptops: Suggesting Interesting Content in News Archives Based on Surprise Estimation. | Adam Jatowt, I-Chen Hung, Michael Frber, Ricardo Campos, Masatoshi Yoshikawa |
| 2021 | ICDE | P3GM: Private High-Dimensional Data Release via Privacy Preserving Phased Generative Model. | Shun Takagi, Tsubasa Takahashi, Yang Cao, Masatoshi Yoshikawa |
| 2021 | SIGIR | Event Occurrence Date Estimation based on Multivariate Time Series Analysis over Temporal Document Collections. | Jiexin Wang, Adam Jatowt, Masatoshi Yoshikawa |
| 2020 | CCS | Voice-Indistinguishability - Protecting Voiceprint with Differential Privacy under an Untrusted Server. | Yaowei Han, Yang Cao, Sheng Li, Qiang Ma, Masatoshi Yoshikawa |
| 2020 | CCS | POSTER: Protecting Location Privacy on Road Networks. | Shun Takagi, Yang Cao, Yasuhito Asano, Masatoshi Yoshikawa |
| 2020 | CCS | POSTER: Data Collection via Local Differential Privacy with Secret Parameters. | Shun Takagi, Yang Cao, Masatoshi Yoshikawa |
| 2020 | DASFAA | FedSel: Federated SGD Under Local Differential Privacy with Top-k Dimension Selection. | Ruixuan Liu, Yang Cao, Masatoshi Yoshikawa, Hong Chen |
| 2020 | DEXA | Schedule for Detour-Type Demand Bus with Regular Usage Data. | Yuuri Sakai, Yasuhito Asano, Masatoshi Yoshikawa |
| 2020 | ECAI | Comparative Timeline Summarization via Dynamic Affinity-Preserving Random Walk. | Yijun Duan, Adam Jatowt, Masatoshi Yoshikawa |
| 2020 | ECIR | Answering Event-Related Questions over Long-Term News Article Archives. | Jiexin Wang, Adam Jatowt, Michael Frber, Masatoshi Yoshikawa |
| 2020 | ESORICS | PGLP: Customizable and Rigorous Location Privacy Through Policy Graph. | Yang Cao, Yonghui Xiao, Shun Takagi, Li Xiong, Masatoshi Yoshikawa, Yilin Shen, Jinfei Liu, Hongxia Jin, Xiaofeng Xu |
| 2020 | HealthCom | Blockchain-Empowered Contact Tracing for COVID-19 Using Crypto-Spatiotemporal Information. | Zheng Wen, Keping Yu, Xin Qi, Toshio Sato, Yutaka Katsuyama, Takuro Sato, Wataru Kameyama, Fumiyuki Kato, Yang Cao, Masatoshi Yoshikawa, Min Luo, Jun Hashimoto |
| 2020 | LREC | Annotating and Analyzing Biased Sentences in News Articles using Crowdsourcing. | Sora Lim, Adam Jatowt, Michael Frber, Masatoshi Yoshikawa |
| 2020 | MDM | Money Cannot Buy Everything: Trading Mobile Data with Controllable Privacy Loss. | Shuyuan Zheng, Yang Cao, Masatoshi Yoshikawa |
| 2020 | SAC | Conflict or cooperation?: predicting future tendency of international relations. | Peng Chen, Adam Jatowt, Masatoshi Yoshikawa |
| 2020 | VLDB | Data Integration Models and Architectures for Service Alliances. | Yasuhito Asano, Zhenjiang Hu, Yasunori Ishihara, Makoto Onizuka, Masato Takeichi, Masatoshi Yoshikawa |
| 2019 | CIKM | Analyzing the Effects of Document's Opinion and Credibility on Search Behaviors and Belief Dynamics. | Suppanut Pothirattanachaikul, Takehiro Yamamoto, Yusuke Yamamoto, Masatoshi Yoshikawa |
| 2019 | COCOON | Give and Take: Adaptive Balanced Allocation for Peer Assessments. | Hideaki Ohashi, Yasuhito Asano, Toshiyuki Shimizu, Masatoshi Yoshikawa |
| 2019 | DASFAA | Typicality-Based Across-Time Mapping of Entity Sets in Document Archives. | Yijun Duan, Adam Jatowt, Sourav S. Bhowmick, Masatoshi Yoshikawa |
| 2019 | DBSEC | "When and Where Do You Want to Hide?" - Recommendation of Location Privacy Preferences with Local Differential Privacy. | Maho Asada, Masatoshi Yoshikawa, Yang Cao |
| 2019 | DBSEC | Geo-Graph-Indistinguishability: Protecting Location Privacy for LBS over Road Networks. | Shun Takagi, Yang Cao, Yasuhito Asano, Masatoshi Yoshikawa |
| 2019 | ICDE | Blockchain-Based Bidirectional Updates on Fine-Grained Medical Data. | Chunmiao Li, Yang Cao, Zhenjiang Hu, Masatoshi Yoshikawa |
| 2019 | SIGIR | Identifying Entity Properties from Text with Zero-shot Learning. | Wiradee Imrattanatrai, Makoto P. Kato, Masatoshi Yoshikawa |
| 2018 | CIKM | Understanding Characteristics of Biased Sentences in News Articles. | Sora Lim, Adam Jatowt, Masatoshi Yoshikawa |
| 2017 | ICDE | Quantifying Differential Privacy under Temporal Correlations. | Yang Cao, Masatoshi Yoshikawa, Yonghui Xiao, Li Xiong |
| 2017 | ICDE | Mutually Beneficial Confluent Routing. | Xinpeng Zhang, Yasuhito Asano, Masatoshi Yoshikawa |
| 2017 | SIGIR | How to Balance Privacy and Money through Pricing Mechanism in Personal Data Market. | Rachana Nget, Yang Cao, Masatoshi Yoshikawa |
| 2016 | EDM | Course Content Analysis: An Initiative Step toward Learning Object Recommendation Systems for MOOC Learners. | Yiling Dai, Yasuhito Asano, Masatoshi Yoshikawa |
| 2016 | ICDM | Flexible Similarity Search for Enriched Trajectories. | Hideaki Ohashi, Toshiyuki Shimizu, Masatoshi Yoshikawa |
| 2015 | MDM | Differentially Private Real-Time Data Release over Infinite Trajectory Streams. | Yang Cao, Masatoshi Yoshikawa |
| 2015 | MDM | An Analysis of the Walking Environmental Factors Affecting the Stress of Pedestrians for Route Recommendation. | Hiroki Kitabayashi, Xinpeng Zhang, Yasuhito Asano, Masatoshi Yoshikawa |
| 2015 | SNPD | Document similarity computation by combining multiple representation models. | Jiyi Li, Toshiyuki Shimizu, Masatoshi Yoshikawa |
| 2015 | WISE | A Dynamic-Static Approach of Model Fusion for Document Similarity Computation. | Jiyi Li, Yasuhito Asano, Toshiyuki Shimizu, Masatoshi Yoshikawa |
| 2014 | APWEB | A Method for Fine-Grained Document Alignment Using Structural Information. | Naoki Tsujio, Toshiyuki Shimizu, Masatoshi Yoshikawa |
| 2014 | ICDM | Fast and Exact Monitoring of Co-Evolving Data Streams. | Yasuko Matsubara, Yasushi Sakurai, Naonori Ueda, Masatoshi Yoshikawa |
| 2014 | IIWAS | Causal Analysis for Supporting Users' Understanding of Investment Trusts. | Yuki Awano, Qiang Ma, Masatoshi Yoshikawa |
| 2013 | CIKM | Assessing quality score of Wikipedia article using mutual evaluation of editors and texts. | Yu Suzuki, Masatoshi Yoshikawa |
| 2013 | COMPSAC | Potential Semantics in Multi-modal Relevance Feedback Information for Image Retrieval. | Jiyi Li, Qiang Ma, Yasuhito Asano, Masatoshi Yoshikawa |
| 2013 | COMPSAC | Supporting Keyword Selection in Generating Earth Science Metadata. | Toshiyuki Shimizu, Tomo Sueki, Masatoshi Yoshikawa |
| 2013 | DEXA | Classifying Twitter Users Based on User Profile and Followers Distribution. | Liang Yan, Qiang Ma, Masatoshi Yoshikawa |
| 2013 | WWW | Ranking method specialized for content descriptions of classical music. | Taku Kuribayashi, Yasuhito Asano, Masatoshi Yoshikawa |
| 2012 | APWEB | Re-ranking by Multi-modal Relevance Feedback for Content-Based Social Image Retrieval. | Jiyi Li, Qiang Ma, Yasuhito Asano, Masatoshi Yoshikawa |
| 2012 | DEXA | Cause Analysis of New Incidents by Using Failure Knowledge Database. | Yuki Awano, Qiang Ma, Masatoshi Yoshikawa |
| 2012 | DEXA | Trip Tweets Search by Considering Spatio-temporal Continuity of User Behavior. | Keisuke Hasegawa, Qiang Ma, Masatoshi Yoshikawa |
| 2012 | KDD | Fast mining and forecasting of complex time-stamped events. | Yasuko Matsubara, Yasushi Sakurai, Christos Faloutsos, Tomoharu Iwata, Masatoshi Yoshikawa |
| 2011 | APWEB | Towards Improving Wikipedia as an Image-Rich Encyclopaedia through Analyzing Appropriateness of Images for an Article. | Xinpeng Zhang, Yasuhito Asano, Masatoshi Yoshikawa |
| 2011 | DEXA | Propagation of Multi-granularity Annotations. | Ryo Aoto, Toshiyuki Shimizu, Masatoshi Yoshikawa |
| 2011 | DEXA | Alternative Query Generation for XML Keyword Search and Its Optimization. | Tetsutaro Motomura, Toshiyuki Shimizu, Masatoshi Yoshikawa |
| 2011 | DEXA | A Bipartite Graph Model and Mutually Reinforcing Analysis for Review Sites. | Kazuki Tawaramoto, Junpei Kawamoto, Yasuhito Asano, Masatoshi Yoshikawa |
| 2010 | DASFAA | Mining Useful Time Graph Patterns on Extensively Discussed Topics on the Web - (Position Paper). | Taihei Oshino, Yasuhito Asano, Masatoshi Yoshikawa |
| 2010 | DASFAA | Analysis of Implicit Relations on Wikipedia: Measuring Strength through Mining Elucidatory Objects. | Xinpeng Zhang, Yasuhito Asano, Masatoshi Yoshikawa |
| 2010 | DEXA | A Retrieval Method for Earth Science Data Based on Integrated Use of Wikipedia and Domain Ontology. | Masashi Tatedoko, Toshiyuki Shimizu, Akinori Saito, Masatoshi Yoshikawa |
| 2010 | DEXA | Mining and Explaining Relationships in Wikipedia. | Xinpeng Zhang, Yasuhito Asano, Masatoshi Yoshikawa |
| 2010 | WISE | Enishi: Searching Knowledge about Relations by Complementarily Utilizing Wikipedia and the Web. | Xinpeng Zhang, Yasuhito Asano, Masatoshi Yoshikawa |
| 2009 | DEXA | Analysis of News Agencies' Descriptive Features of People and Organizations. | Shin Ishida, Qiang Ma, Masatoshi Yoshikawa |
| 2009 | DEXA | Classifying Web Pages by Using Knowledge Bases for Entity Retrieval. | Yusuke Kiritani, Qiang Ma, Masatoshi Yoshikawa |
| 2009 | DEXA | Query Rewriting Rules for Versioned XML Documents. | Tetsutaro Motomura, Mizuho Iwaihara, Masatoshi Yoshikawa |
| 2009 | ICDE | Visualized Elucidations of Ranking by Exploiting Object Relations. | Xinpeng Zhang, Yasuhito Asano, Masatoshi Yoshikawa |
| 2009 | ICDM | Scalable Algorithms for Distribution Search. | Yasuko Matsubara, Yasushi Sakurai, Masatoshi Yoshikawa |
| 2009 | WWW | Signaling emotion in tagclouds. | Takeharu Eda, Toshio Uchiyama, Tadasu Uchiyama, Masatoshi Yoshikawa |
| 2008 | DEXA | Person Retrieval on XML Documents by Coreference Analysis Utilizing Structural Features. | Yumi Yonei, Mizuho Iwaihara, Masatoshi Yoshikawa |
| 2008 | ER | Risk Evaluation for Personal Identity Management Based on Privacy Attribute Ontology. | Mizuho Iwaihara, Kohei Murakami, Gail-Joon Ahn, Masatoshi Yoshikawa |
| 2008 | WISE | Locally Expandable Allocation of Folksonomy Tags in a Directed Acyclic Graph. | Takeharu Eda, Masatoshi Yoshikawa, Masashi Yamamuro |
| 2008 | WISE | Ranking People Based on Metadata Analysis of Search Results. | Qiang Ma, Masatoshi Yoshikawa |
| 2007 | SAC | A relative cost model for XQuery. | Soichiro Hidaka, Hiroyuki Kato, Masatoshi Yoshikawa |
| 2005 | ADC | A Path-based Relational RDF Database. | Akiyoshi Matono, Toshiyuki Amagasa, Masatoshi Yoshikawa, Shunsuke Uemura |
| 2005 | DEXA | Full-Text and Structural XML Indexing on B | Toshiyuki Shimizu, Masatoshi Yoshikawa |
| 2005 | ICDE | Managing XML Documents with Time Certification using Database. | Mingqiang Chen, Masatoshi Yoshikawa |
| 2005 | ICDE | A Study on Efficient Access Control for XML Ducuments. | Naotake Kitagawa, Masatoshi Yoshikawa |
| 2005 | PODS | FTW: fast similarity search under the time warping distance. | Yasushi Sakurai, Masatoshi Yoshikawa, Christos Faloutsos |
| 2004 | APWEB | User-Oriented Adaptive Web Information Retrieval Based on Implicit Observations. | Kazunari Sugiyama, Kenji Hatano, Masatoshi Yoshikawa, Shunsuke Uemura |
| 2004 | WWW | Adaptive web search based on user profile constructed without any effort from users. | Kazunari Sugiyama, Kenji Hatano, Masatoshi Yoshikawa |
| 2003 | ACL | Bilingual Terminology Acquisition from Comparable Corpora and Phrasal Translation to Cross-Language Information Retrieval. | Fatiha Sadat, Masatoshi Yoshikawa, Shunsuke Uemura |
| 2003 | ICDE | QRS: A Robust Numbering Scheme for XML Documents. | Toshiyuki Amagasa, Masatoshi Yoshikawa, Shunsuke Uemura |
| 2003 | SIGIR | Enhancing cross-language information retrieval by an automatic acquisition of bilingual terminology from comparable corpora. | Fatiha Sadat, Masatoshi Yoshikawa, Shunsuke Uemura |
| 2002 | DEXA | Information Retrieval System for XML Documents. | Kenji Hatano, Hiroko Kinutani, Masatoshi Yoshikawa, Shunsuke Uemura |
| 2002 | DEXA | Application of rUID in Processing XML Queries on Structure and Keyword. | Dao Dinh Kha, Masatoshi Yoshikawa, Shunsuke Uemura |
| 2002 | DEXA | A Method of Improving Feature Vector for Web Pages Reflecting the Contents of Their Out-Linked Pages. | Kazunari Sugiyama, Kenji Hatano, Masatoshi Yoshikawa, Shunsuke Uemura |
| 2002 | DEXA | A System for Retrieval and Digest Creation of Video Data Based on Geographic Objects. | Takamasa Ueda, Toshiyuki Amagasa, Masatoshi Yoshikawa, Shunsuke Uemura |
| 2001 | DASFAA | A Unified Retrieval Method of Multimedia Documents. | Yu Suzuki, Kenji Hatano, Masatoshi Yoshikawa, Shunsuke Uemura |
| 2001 | ER | Extraction of Partial XML Documents Using IR-Based Structure and Contents Analysis. | Kenji Hatano, Hiroko Kinutani, Masatoshi Yoshikawa, Shunsuke Uemura |
| 2001 | ICDE | An XML Indexing Structure with Relative Region Coordinate. | Dao Dinh Kha, Masatoshi Yoshikawa, Shunsuke Uemura |
| 2001 | VLDB | Similarity Search for Adaptive Ellipsoid Queries Using Spatial Transformation. | Yasushi Sakurai, Masatoshi Yoshikawa, Ryoji Kataoka, Shunsuke Uemura |
| 2000 | ADBIS | Keyword Assignment to Images Using Sliding Windows. | Toshiyuki Amagasa, Minoru Nakai, Kenji Hatano, Masatoshi Yoshikawa, Shunsuke Uemura |
| 2000 | CIKM | The Subspace Coding Method: A New Indexing Scheme for High-Dimensional Data. | Yasushi Sakurai, Masatoshi Yoshikawa, Shunsuke Uemura, Haruhiko Kojima |
| 2000 | DEXA | A Data Model for Temporal XML Documents. | Toshiyuki Amagasa, Masatoshi Yoshikawa, Shunsuke Uemura |
| 2000 | VLDB | The A-tree: An Index Structure for High-Dimensional Spaces Using Relative Approximation. | Yasushi Sakurai, Masatoshi Yoshikawa, Shunsuke Uemura, Haruhiko Kojima |
| 1999 | DEXA | Storage and Retrieval of XML Documents Using Object-Relational Databases. | Takeyuki Shimura, Masatoshi Yoshikawa, Shunsuke Uemura |
| 1998 | ER | Constructing Structured Document Views. | Hiroyuki Kato, Masatoshi Yoshikawa |
| 1996 | EDBT | Amalgamating SGML Documents and Databases. | Masatoshi Yoshikawa, Osamu Ichikawa, Shunsuke Uemura |
| 1991 | PODS | On the Equivalence of Database Restructurings Involving Object Identifiers. | Richard Hull, Masatoshi Yoshikawa |
| 1990 | VLDB | ILOG: Declarative Creation and Manipulation of Object Identifiers. | Richard Hull, Masatoshi Yoshikawa |
| 1988 | ICDE | Schema Virtualization in Object-Oriented Databases. | Katsumi Tanaka, Masatoshi Yoshikawa, Kozo Ishihara |
| 1988 | ICDT | Towards Abstracting Complex Database Objects: Generalization, Reduction and Unification of Set-type Objects (Extended Abstract). | Katsumi Tanaka, Masatoshi Yoshikawa |
| 1984 | VLDB | Processing Inequality Queries Based on Generalized Semi-Joins. | Masatoshi Yoshikawa, Yahiko Kambayashi |
| 1983 | SIGMOD | Query Processing Utilizing Dependencies and Horizontal Decomposition. | Yahiko Kambayashi, Masatoshi Yoshikawa |
| 1982 | SIGMOD | Query Processing for Distributed Databases Using Generalized Semi-Joins. | Yahiko Kambayashi, Masatoshi Yoshikawa, Shuzo Yajima |