Query Processing for Distributed Databases Using Generalized Semi-Joins. - Yahiko Kambayashi; Masatoshi Yoshikawa; Shuzo Yajima (SIGMOD Conference, 1982)

Query Processing Utilizing Dependencies and Horizontal Decomposition. - Yahiko Kambayashi; Masatoshi Yoshikawa (SIGMOD Conference, 1983)

Processing Inequality Queries Based on Generalized Semi-Joins. - Masatoshi Yoshikawa; Yahiko Kambayashi (VLDB, 1984)

Schema Virtualization in Object-Oriented Databases. - Katsumi Tanaka; Masatoshi Yoshikawa; Kozo Ishihara (ICDE, 1988)

Towards Abstracting Complex Database Objects: Generalization, Reduction and Unification of Set-type Objects (Extended Abstract). - Katsumi Tanaka; Masatoshi Yoshikawa (ICDT, 1988)

Behavior Analysis of Object-Oriented Databases: Method Structure, Execution Trees, and Reachability (Extended Abstract). - Richard Hull 001; Katsumi Tanaka; Masatoshi Yoshikawa (FODO, 1989)

ILOG: Declarative Creation and Manipulation of Object Identifiers. - Richard Hull 001; Masatoshi Yoshikawa (VLDB, 1990)

On the Equivalence of Database Restructurings Involving Object Identifiers. - Richard Hull 001; Masatoshi Yoshikawa (PODS, 1991)

On Data Restructuring and Merging with Object Identity. - Richard Hull 001; Surjatini Widjojo; Dave Wile; Masatoshi Yoshikawa (IEEE Data Eng. Bull., 1991)

Object Identity and Query Equivalence. - Richard Hull 001; Masatoshi Yoshikawa (Theoretical Studies in Computer Science, 1992)

Circulation and Reuse of Database Constructs through Common Dictionaries. - Masatoshi Yoshikawa (Future Databases, 1992)

ASKA: An Object-Oriented Data Model with Multiple Hierarchies and Multiple Object-Perspectives. - Nobuo Hori; Masatoshi Yoshikawa; Shunsuke Uemura (DEXA Workshop, 1995)

Amalgamating SGML Documents and Databases. - Masatoshi Yoshikawa; Osamu Ichikawa; Shunsuke Uemura (EDBT, 1996)

An Efficiently Updatable Index Scheme for Structured Documents. - Hirotaka Kanemoto; Hiroyuki Kato; Hiroko Kinutani; Masatoshi Yoshikawa (DEXA Workshop, 1998)

Constructing Structured Document Views. - Hiroyuki Kato; Masatoshi Yoshikawa (ER Workshops, 1998)

High-Dimensional Nearest Neighbor Search Based on Virtual Bounding Rectangles. - Yasushi Sakurai; Masatoshi Yoshikawa; Shunsuke Uemura (FODO, 1998)

Document Retrieval Based on Subtopic Combination. - Masahiro Watanabe; Takaharu Oishi; Masatoshi Yoshikawa; Minoru Nakai; Shunsuke Uemura (CODAS, 1999)

A Query Optimization for XML Document Views Constructed by Aggregations. - Hiroyuki Kato; Masatoshi Yoshikawa; Keizo Oyama; Shunsuke Uemura (DANTE, 1999)

On Synchronous Properties of Periodically Generated Data Sequences. - Koichi Munakata; Masatoshi Yoshikawa; Shunsuke Uemura (DANTE, 1999)

Heijo - A Video Database System for Retrieving Semantically Coherent Video Information. - Shunsuke Uemura; Masatoshi Yoshikawa; Toshiyuki Amagasa (DANTE, 1999)

Storage and Retrieval of XML Documents Using Object-Relational Databases. - Takeyuki Shimura; Masatoshi Yoshikawa; Shunsuke Uemura (DEXA, 1999)

Retrieving Distant Objects Using Tree Indices - An Approach to Exploratory Databases. - Hiroshi Asakura; Masatoshi Yoshikawa; Shunsuke Uemura (DEXA Workshop, 1999)

Keyword Assignment to Images Using Sliding Windows. - Toshiyuki Amagasa; Minoru Nakai; Kenji Hatano; Masatoshi Yoshikawa; Shunsuke Uemura (ADBIS-DASFAA Symposium, 2000)

The Subspace Coding Method: A New Indexing Scheme for High-Dimensional Data. - Yasushi Sakurai; Masatoshi Yoshikawa; Shunsuke Uemura; Haruhiko Kojima (CIKM, 2000)

A Data Model for Temporal XML Documents. - Toshiyuki Amagasa; Masatoshi Yoshikawa; Shunsuke Uemura (DEXA, 2000)

Query term disambiguation for Web cross-language information retrieval using a search engine. - Akira Maeda; Fatiha Sadat; Masatoshi Yoshikawa; Shunsuke Uemura (IRAL, 2000)

Identifying Result Subdocuments of XML Search Conditions. - Hiroko Kinutani; Masatoshi Yoshikawa; Shunsuke Uemura (Kyoto International Conference on Digital Libraries, 2000)

Integrating Periodic Data Sequences Based on Freshness and Synchronousness. - Koichi Munakata; Masatoshi Yoshikawa; Shunsuke Uemura (RIDE, 2000)

The A-tree: An Index Structure for High-Dimensional Spaces Using Relative Approximation. - Yasushi Sakurai; Masatoshi Yoshikawa; Shunsuke Uemura; Haruhiko Kojima (VLDB, 2000)

A model and queries for databases managing structured documents with object links. - Hiroyuki Kato; Masatoshi Yoshikawa (Syst. Comput. Jpn., 2000)

Query Expansion Techniques for the CLEF Bilingual Track. - Fatiha Sadat; Akira Maeda; Masatoshi Yoshikawa; Shunsuke Uemura (CLEF, 2001)

Realizing Temporal XML Repositories using Temporal Relational Databases. - Toshiyuki Amagasa; Masatoshi Yoshikawa; Shunsuke Uemura (CODAS, 2001)

A Unified Retrieval Method of Multimedia Documents. - Yu Suzuki 001; Kenji Hatano; Masatoshi Yoshikawa; Shunsuke Uemura (DASFAA, 2001)

Extraction of Partial XML Documents Using IR-Based Structure and Contents Analysis. - Kenji Hatano; Hiroko Kinutani; Masatoshi Yoshikawa; Shunsuke Uemura (ER (Workshops), 2001)

An XML Indexing Structure with Relative Region Coordinate. - Dao Dinh Kha; Masatoshi Yoshikawa; Shunsuke Uemura (ICDE, 2001)

Similarity Search for Adaptive Ellipsoid Queries Using Spatial Transformation. - Yasushi Sakurai; Masatoshi Yoshikawa; Ryoji Kataoka; Shunsuke Uemura (VLDB, 2001)

XRel: a path-based approach to storage and retrieval of XML documents using relational databases. - Masatoshi Yoshikawa; Toshiyuki Amagasa; Takeyuki Shimura; Shunsuke Uemura (ACM Trans. Internet Techn., 2001)

Cross-Language Information Retrieval Using Multiple Resources and Combinations for Query Expansion. - Fatiha Sadat; Masatoshi Yoshikawa; Shunsuke Uemura (ADVIS, 2002)

Information Retrieval System for XML Documents. - Kenji Hatano; Hiroko Kinutani; Masatoshi Yoshikawa; Shunsuke Uemura (DEXA, 2002)

Application of rUID in Processing XML Queries on Structure and Keyword. - Dao Dinh Kha; Masatoshi Yoshikawa; Shunsuke Uemura (DEXA, 2002)

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 (DEXA, 2002)

A System for Retrieval and Digest Creation of Video Data Based on Geographic Objects. - Takamasa Ueda; Toshiyuki Amagasa; Masatoshi Yoshikawa; Shunsuke Uemura (DEXA, 2002)

A Combined Statistical Query Term Disambiguation in Cross-Language Information Retrieval. - Fatiha Sadat; Akira Maeda; Masatoshi Yoshikawa; Shunsuke Uemura (DEXA Workshops, 2002)

A Structural Numbering Scheme for XML Data. - Dao Dinh Kha; Masatoshi Yoshikawa; Shunsuke Uemura (EDBT Workshops, 2002)

Determining the Unit of Retrieval Results for XML Documents. - Kenji Hatano; Hiroko Kinutani; Masahiro Watanabe; Masatoshi Yoshikawa; Shunsuke Uemura (INEX Workshop, 2002)

Exploiting Thesauri and Hierarchical Categories in Cross-Language Information Retrieval. - Fatiha Sadat; Masatoshi Yoshikawa; Shunsuke Uemura (TSD, 2002)

GeneAround: A Browsing System for Gene Annotation Using XML Technologies. - Junko Tanoue; Noboru Matoba; Masatoshi Yoshikawa; Shunsuke Uemura (WAIM, 2002)

Extraction and Integration of XML Document Features on Wireless Environment. - Yu Suzuki 001; Masaki Takano; Kenji Hatano; Masatoshi Yoshikawa; Shunsuke Uemura (Wireless Information Systems, 2002)

Digest Creation of Video Data Recorded by Wearable Cameras Using Locational and Geographical Information. - Takamasa Ueda; Toshiyuki Amagasa; Masatoshi Yoshikawa; Shunsuke Uemura (Wireless Information Systems, 2002)

The GeneAround GO viewer. - Junko Tanoue; Masatoshi Yoshikawa; Shunsuke Uemura (Bioinform., 2002)

Spatial indexing of high-dimensional data based on relative approximation. - Yasushi Sakurai; Masatoshi Yoshikawa; Shunsuke Uemura; Haruhiko Kojima (VLDB J., 2002)

Bilingual Terminology Acquisition from Comparable Corpora and Phrasal Translation to Cross-Language Information Retrieval. - Fatiha Sadat; Masatoshi Yoshikawa; Shunsuke Uemura (ACL (Companion), 2003)

Refinement of TF-IDF schemes for web pages using their hyperlinked neighboring pages. - Kazunari Sugiyama; Kenji Hatano; Masatoshi Yoshikawa; Shunsuke Uemura (Hypertext, 2003)

QRS: A Robust Numbering Scheme for XML Documents. - Toshiyuki Amagasa; Masatoshi Yoshikawa; Shunsuke Uemura (ICDE, 2003)

Keyword-based XML Fragment Retrieval: Experimental Evaluation based on INEX 2003 Relevance Assessments. - Kenji Hatano; Hiroko Kinutani; Masahiro Watanabe; Yasuhiro Mori; Masatoshi Yoshikawa; Shunsuke Uemura (INEX, 2003)

Cross-Language Information Retrieval based on category matching between language versions of a web directory. - Fuminori Kimura; Akira Maeda; Masatoshi Yoshikawa; Shunsuke Uemura (IRAL, 2003)

Learning bilingual translations from comparable corpora to cross-language information retrieval: hybrid statistics-based and linguistics-based approach. - Fatiha Sadat; Masatoshi Yoshikawa; Shunsuke Uemura (IRAL, 2003)

An Indexing Scheme for RDF and RDF Schema based on Suffix Arrays. - Akiyoshi Matono; Toshiyuki Amagasa; Masatoshi Yoshikawa; Shunsuke Uemura (SWDB, 2003)

Enhancing cross-language information retrieval by an automatic acquisition of bilingual terminology from comparable corpora. - Fatiha Sadat; Masatoshi Yoshikawa; Shunsuke Uemura (SIGIR, 2003)

An indexing technique using relative approximation for high-dimensional data. - Yasushi Sakurai; Masatoshi Yoshikawa; Shunsuke Uemura; Haruhiko Kojima (Syst. Comput. Jpn., 2003)

User-Oriented Adaptive Web Information Retrieval Based on Implicit Observations. - Kazunari Sugiyama; Kenji Hatano; Masatoshi Yoshikawa; Shunsuke Uemura (APWeb, 2004)

Dynamic Range Labeling for XML Trees. - Takeharu Eda; Yasushi Sakurai; Toshiyuki Amagasa; Masatoshi Yoshikawa; Shunsuke Uemura; Takashi Honishi (EDBT Workshops, 2004)

Temporal Versioning of XML Documents. - Vilas Wuwongse; Masatoshi Yoshikawa; Toshiyuki Amagasa (ICADL, 2004)

Analyzing the Properties of XML Fragments Decomposed from the INEX Document Collection. - Kenji Hatano; Hiroko Kinutani; Toshiyuki Amagasa; Yasuhiro Mori; Masatoshi Yoshikawa; Shunsuke Uemura (INEX, 2004)

Adaptive web search based on user profile constructed without any effort from users. - Kazunari Sugiyama; Kenji Hatano; Masatoshi Yoshikawa (WWW, 2004)

XML Query Processing Using a Schema-Based Numbering Scheme. - Dao Dinh Kha; Masatoshi Yoshikawa (XSym, 2004)

A Structural Numbering Scheme for Processing Queries by Structure and Keyword on XML Data. - Dao Dinh Kha; Masatoshi Yoshikawa; Shunsuke Uemura (IEICE Trans. Inf. Syst., 2004)

XML Content Update Using Relative Region Coordinates. - Dao Dinh Kha; Masatoshi Yoshikawa; Shunsuke Uemura (IEICE Trans. Inf. Syst., 2004)

A Path-based Relational RDF Database. - Akiyoshi Matono; Toshiyuki Amagasa; Masatoshi Yoshikawa; Shunsuke Uemura (ADC, 2005)

Full-Text and Structural XML Indexing on B+-Tree. - Toshiyuki Shimizu; Masatoshi Yoshikawa (DEXA, 2005)

A Relevant Score Normalization Method Using Shannon's Information Measure. - Yu Suzuki 001; Kenji Hatano; Masatoshi Yoshikawa; Shunsuke Uemura; Kyoji Kawagoe (ICADL, 2005)

Managing XML Documents with Time Certification using Database. - Mingqiang Chen; Masatoshi Yoshikawa (ICDE Workshops, 2005)

A Study on Efficient Access Control for XML Ducuments. - Naotake Kitagawa; Masatoshi Yoshikawa (ICDE Workshops, 2005)

Implementation of a High-Speed and High-Precision XML Information Retrieval System on Relational Databases. - Kei Fujimoto; Toshiyuki Shimizu; Norimasa Terada; Kenji Hatano; Yu Suzuki 001; Toshiyuki Amagasa; Hiroko Kinutani; Masatoshi Yoshikawa (INEX, 2005)

FTW: fast similarity search under the time warping distance. - Yasushi Sakurai; Masatoshi Yoshikawa; Christos Faloutsos (PODS, 2005)

A Mapping Scheme of XML Documents into Relational Databases using Schema-based Path Identifiers. - Kei Fujimoto; Dao Dinh Kha; Masatoshi Yoshikawa; Toshiyuki Amagasa (WIRI, 2005)

A similarity search algorithm for ellipsoid queries using spatial transformation. - Yasushi Sakurai; Masatoshi Yoshikawa; Shunsuke Uemura; Ryoji Kataoka (Syst. Comput. Jpn., 2005)

Improvement in TF-IDF scheme for Web pages based on the contents of their hyperlinked neighboring pages. - Kazunari Sugiyama; Kenji Hatano; Masatoshi Yoshikawa; Shunsuke Uemura (Syst. Comput. Jpn., 2005)

Kikori-KS: An Effective and Efficient Keyword Search System for Digital Libraries in XML. - Toshiyuki Shimizu; Norimasa Terada; Masatoshi Yoshikawa (ICADL, 2006)

An Efficient Schema-Based Technique for Querying XML Data. - Dao Dinh Kha; Masatoshi Yoshikawa (IEICE Trans. Inf. Syst., 2006)

Full-Text and Structural Indexing of XML Documents on B+-Tree. - Toshiyuki Shimizu; Masatoshi Yoshikawa (IEICE Trans. Inf. Syst., 2006)

A Ranking Scheme for XML Information Retrieval Based on Benefit and Reading Effort. - Toshiyuki Shimizu; Masatoshi Yoshikawa (ICADL, 2007)

A relative cost model for XQuery. - Soichiro Hidaka; Hiroyuki Kato; Masatoshi Yoshikawa (SAC, 2007)

XML Information Retrieval Considering Physical Page Layout of Logical Elements. - Toshiyuki Shimizu; Masatoshi Yoshikawa (WebDB, 2007)

Person Retrieval on XML Documents by Coreference Analysis Utilizing Structural Features. - Yumi Yonei; Mizuho Iwaihara; Masatoshi Yoshikawa (DEXA, 2008)

Risk Evaluation for Personal Identity Management Based on Privacy Attribute Ontology. - Mizuho Iwaihara; Kohei Murakami; Gail-Joon Ahn; Masatoshi Yoshikawa (ER, 2008)

Extending RBAC for Large Enterprises and Its Quantitative Risk Evaluation. - Seiichi Kondo; Mizuho Iwaihara; Masatoshi Yoshikawa; Masashi Torato (II3E, 2008)

Acquisition of visited locative nouns from blogs by using surface features of blogs and case frames. - Takuya Kobayashi; Masatoshi Yoshikawa (ICUIMC, 2008)

Reducing Data Decryption Cost by Broadcast Encryption and Account Assignment for Web Applications. - Junpei Kawamoto; Qiang Ma 001; Masatoshi Yoshikawa (WAIM, 2008)

Locally Expandable Allocation of Folksonomy Tags in a Directed Acyclic Graph. - Takeharu Eda; Masatoshi Yoshikawa; Masashi Yamamuro (WISE, 2008)

Ranking People Based on Metadata Analysis of Search Results. - Qiang Ma 001; Masatoshi Yoshikawa (WISE Workshops, 2008)

Analysis of News Agencies' Descriptive Features of People and Organizations. - Shin Ishida; Qiang Ma 001; Masatoshi Yoshikawa (DEXA, 2009)

Classifying Web Pages by Using Knowledge Bases for Entity Retrieval. - Yusuke Kiritani; Qiang Ma 001; Masatoshi Yoshikawa (DEXA, 2009)

Query Rewriting Rules for Versioned XML Documents. - Tetsutaro Motomura; Mizuho Iwaihara; Masatoshi Yoshikawa (DEXA, 2009)

Security of social information from query analysis in DaaS. - Junpei Kawamoto; Masatoshi Yoshikawa (EDBT/ICDT Workshops, 2009)

Visualized Elucidations of Ranking by Exploiting Object Relations. - Xinpeng Zhang 002; Yasuhito Asano; Masatoshi Yoshikawa (ICDE, 2009)

Analysis of news agencies' descriptive feature by using SVO structure. - Shin Ishida; Qiang Ma 001; Masatoshi Yoshikawa (ICDIM, 2009)

Scalable Algorithms for Distribution Search. - Yasuko Matsubara; Yasushi Sakurai; Masatoshi Yoshikawa (ICDM, 2009)

Metadata management for integration and analysis of earth observation data. - Akira Takahashi; Masashi Tatedoko; Hiroko Kinutani; Masatoshi Yoshikawa (ICUIMC, 2009)

Topic and Viewpoint Extraction for Diversity and Bias Analysis of News Contents. - Qiang Ma 001; Masatoshi Yoshikawa (APWeb/WAIM, 2009)

Signaling emotion in tagclouds. - Takeharu Eda; Toshio Uchiyama; Tadasu Uchiyama; Masatoshi Yoshikawa (WWW, 2009)

XSemantic: An Extension of LCA Based XML Semantic Search. - Umaporn Supasitthimethee; Toshiyuki Shimizu; Masatoshi Yoshikawa; Kriengkrai Porkaew (IEICE Trans. Inf. Syst., 2009)

The Effectiveness of Latent Semantic Analysis for Building Up a Bottom-up Taxonomy from Folksonomy Tags. - Takeharu Eda; Masatoshi Yoshikawa; Toshio Uchiyama; Tadasu Uchiyama (World Wide Web, 2009)

XML Storage. - Denilson Barbosa 001; Philip Bohannon; Juliana Freire; Carl-Christian Kanne; Ioana Manolescu; Vasilis Vassalos; Masatoshi Yoshikawa (Encyclopedia of Database Systems, 2009)

Mining Useful Time Graph Patterns on Extensively Discussed Topics on the Web - (Position Paper). - Taihei Oshino; Yasuhito Asano; Masatoshi Yoshikawa (DASFAA Workshops, 2010)

Analysis of Implicit Relations on Wikipedia: Measuring Strength through Mining Elucidatory Objects. - Xinpeng Zhang 002; Yasuhito Asano; Masatoshi Yoshikawa (DASFAA (1), 2010)

A Retrieval Method for Earth Science Data Based on Integrated Use of Wikipedia and Domain Ontology. - Masashi Tatedoko; Toshiyuki Shimizu; Akinori Saito; Masatoshi Yoshikawa (DEXA (2), 2010)

Causal Network Construction to Support Understanding of News. - Hiroshi Ishii 004; Qiang Ma 001; Masatoshi Yoshikawa (HICSS, 2010)

An Incremental Method for Causal Network Construction. - Hiroshi Ishii 004; Qiang Ma 001; Masatoshi Yoshikawa (WAIM, 2010)

Time Graph Pattern Mining for Web Analysis and Information Retrieval. - Taihei Oshino; Yasuhito Asano; Masatoshi Yoshikawa (WAIM, 2010)

A Cross-Media Method of Stakeholder Extraction for News Contents Analysis. - Ling Xu; Qiang Ma 001; Masatoshi Yoshikawa (WAIM, 2010)

Stakeholder Mining and Its Application to News Comparison. - Tatsuya Ogawa; Qiang Ma 001; Masatoshi Yoshikawa (Web Intelligence, 2010)

Exploring Special Items in Multimedia News Based on a Stakeholder Model. - Ling Xu; Qiang Ma 001; Masatoshi Yoshikawa (Web Intelligence, 2010)

Enishi: Searching Knowledge about Relations by Complementarily Utilizing Wikipedia and the Web. - Xinpeng Zhang 002; Yasuhito Asano; Masatoshi Yoshikawa (WISE, 2010)

Extraction of Characteristic Description for Analyzing News Agencies. - Shin Ishida; Qiang Ma 001; Masatoshi Yoshikawa (J. Digit. Inf. Manag., 2010)

Metadata Management for Integration and Analysis of Earth Observation Data. - Akira Takahashi; Masashi Tatedoko; Toshiyuki Shimizu; Hiroko Kinutani; Masatoshi Yoshikawa (J. Softw., 2010)

Ranking Content-Based Social Images Search Results with Social Tags. - Jiyi Li; Qiang Ma 001; Yasuhito Asano; Masatoshi Yoshikawa (AIRS, 2011)

Towards Improving Wikipedia as an Image-Rich Encyclopaedia through Analyzing Appropriateness of Images for an Article. - Xinpeng Zhang 002; Yasuhito Asano; Masatoshi Yoshikawa (APWeb, 2011)

Propagation of Multi-granularity Annotations. - Ryo Aoto; Toshiyuki Shimizu; Masatoshi Yoshikawa (DEXA (2), 2011)

Alternative Query Generation for XML Keyword Search and Its Optimization. - Tetsutaro Motomura; Toshiyuki Shimizu; Masatoshi Yoshikawa (DEXA (1), 2011)

A Bipartite Graph Model and Mutually Reinforcing Analysis for Review Sites. - Kazuki Tawaramoto; Junpei Kawamoto; Yasuhito Asano; Masatoshi Yoshikawa (DEXA (1), 2011)

Discovering Inconsistency in Multimedia News Based on a Material-Opinion Model. - Ling Xu; Takayuki Yumoto; Shinya Aoki; Qiang Ma 001; Masatoshi Yoshikawa (HICSS, 2011)

Private range query by perturbation and matrix based encryption. - Junpei Kawamoto; Masatoshi Yoshikawa (ICDIM, 2011)

Credibility-Oriented Ranking of Multimedia News Based on a Material-Opinion Model. - Ling Xu; Qiang Ma 001; Masatoshi Yoshikawa (WAIM, 2011)

News Bias Analysis Based on Stakeholder Mining. - Tatsuya Ogawa; Qiang Ma 001; Masatoshi Yoshikawa (IEICE Trans. Inf. Syst., 2011)

D-Search: an efficient and exact search algorithm for large distribution sets. - Yasuko Matsubara; Yasushi Sakurai; Masatoshi Yoshikawa (Knowl. Inf. Syst., 2011)

Effective Keyword-Based XML Retrieval Using the Data-Centric and Document-Centric Features. - Tsubasa Tanabe; Toshiyuki Shimizu; Masatoshi Yoshikawa (AIRS, 2012)

Re-ranking by Multi-modal Relevance Feedback for Content-Based Social Image Retrieval. - Jiyi Li; Qiang Ma 001; Yasuhito Asano; Masatoshi Yoshikawa (APWeb, 2012)

Cause Analysis of New Incidents by Using Failure Knowledge Database. - Yuki Awano; Qiang Ma 001; Masatoshi Yoshikawa (DEXA (2), 2012)

Trip Tweets Search by Considering Spatio-temporal Continuity of User Behavior. - Keisuke Hasegawa; Qiang Ma 001; Masatoshi Yoshikawa (DEXA (2), 2012)

QualityRank: assessing quality of wikipedia articles by mutually evaluating editors and texts. - Yu Suzuki 001; Masatoshi Yoshikawa (HT, 2012)

How the web can help Wikipedia: a study on information complementation of Wikipedia by the web. - Damien Eklou; Yasuhito Asano; Masatoshi Yoshikawa (ICUIMC, 2012)

Fast mining and forecasting of complex time-stamped events. - Yasuko Matsubara; Yasushi Sakurai; Christos Faloutsos; Tomoharu Iwata; Masatoshi Yoshikawa (KDD, 2012)

Greedy Approximation Algorithms for Generalized Maximum Flow Problem towards Relation Extraction in Information Networks. - Yusuke Nojima; Yasuhito Asano; Masatoshi Yoshikawa (TJJCCGG, 2012)

Improving Folksonomy Tag Quality of Social Image Hosting Website. - Jiyi Li; Qiang Ma 001; Yasuhito Asano; Masatoshi Yoshikawa (WAIM Workshops, 2012)

Mutual evaluation of editors and texts for assessing quality of Wikipedia articles. - Yu Suzuki 001; Masatoshi Yoshikawa (WikiSym, 2012)

Mining and Explaining Relationships in Wikipedia. - Xinpeng Zhang 002; Yasuhito Asano; Masatoshi Yoshikawa (IEICE Trans. Inf. Syst., 2012)

Re-ranking Content Based Social Image Search Results by Multi Modal Relevance Feedback. - Jiyi Li; Qiang Ma 001; Yasuhito Asano; Masatoshi Yoshikawa (Inf. Media Technol., 2012)

Incremental Construction of Causal Network from News Articles. - Hiroshi Ishii 004; Qiang Ma 001; Masatoshi Yoshikawa (J. Inf. Process., 2012)

Assessing quality score of Wikipedia article using mutual evaluation of editors and texts. - Yu Suzuki 001; Masatoshi Yoshikawa (CIKM, 2013)

Potential Semantics in Multi-modal Relevance Feedback Information for Image Retrieval. - Jiyi Li; Qiang Ma 001; Yasuhito Asano; Masatoshi Yoshikawa (COMPSAC, 2013)

Supporting Keyword Selection in Generating Earth Science Metadata. - Toshiyuki Shimizu; Tomo Sueki; Masatoshi Yoshikawa (COMPSAC, 2013)

Classifying Twitter Users Based on User Profile and Followers Distribution. - Liang Yan; Qiang Ma 001; Masatoshi Yoshikawa (DEXA (1), 2013)

Ranking method specialized for content descriptions of classical music. - Taku Kuribayashi; Yasuhito Asano; Masatoshi Yoshikawa (WWW (Companion Volume), 2013)

Improving Content-based Social Image Retrieval Based on an Image-tag Relationship Model. - Jiyi Li; Qiang Ma 001; Yasuhito Asano; Masatoshi Yoshikawa (Inf. Media Technol., 2013)

Tag Quality Improvement for Social Image Hosting Website. - Jiyi Li; Qiang Ma 001; Yasuhito Asano; Masatoshi Yoshikawa (Inf. Media Technol., 2013)

A Generalized Flow-Based Method for Analysis of Implicit Relationships on Wikipedia. - Xinpeng Zhang 002; Yasuhito Asano; Masatoshi Yoshikawa (IEEE Trans. Knowl. Data Eng., 2013)

A Method for Fine-Grained Document Alignment Using Structural Information. - Naoki Tsujio; Toshiyuki Shimizu; Masatoshi Yoshikawa (APWeb, 2014)

Axis-Based Alignment of Scholarly Papers and Its Presentation Slides Considering Document Structure. - Yuhei Kawakami; Atsuto Nishida; Toshiyuki Shimizu; Masatoshi Yoshikawa (ICADL, 2014)

Fast and Exact Monitoring of Co-Evolving Data Streams. - Yasuko Matsubara; Yasushi Sakurai; Naonori Ueda; Masatoshi Yoshikawa (ICDM, 2014)

Anaba: An obscure sightseeing spots discovering system. - Chenyi Zhuang; Qiang Ma 001; Xuefeng Liang; Masatoshi Yoshikawa (ICME, 2014)

Linkage of compound objects for supporting maintenance of large-scale web sites. - Yuya Hirano; Qiang Ma 001; Masatoshi Yoshikawa (ICUIMC, 2014)

Causal Analysis for Supporting Users' Understanding of Investment Trusts. - Yuki Awano; Qiang Ma 001; Masatoshi Yoshikawa (iiWAS, 2014)

Time Graph Pattern Mining for Network Analysis and Information Retrieval. - Yasuhito Asano; Taihei Oshino; Masatoshi Yoshikawa (IEICE Trans. Inf. Syst., 2014)

Mining Knowledge on Relationships between Objects from the Web. - Xinpeng Zhang 002; Yasuhito Asano; Masatoshi Yoshikawa (IEICE Trans. Inf. Syst., 2014)

A Keyword Recommendation Method Using CorKeD Words and Its Application to Earth Science Data. - Youichi Ishida; Toshiyuki Shimizu; Masatoshi Yoshikawa (AIRS, 2015)

Enrichment of Academic Search Engine Results Pages by Citation-Based Graphs. - Shuhei Shogen; Toshiyuki Shimizu; Masatoshi Yoshikawa (AIRS, 2015)

Discovering Obscure Sightseeing Spots by Analysis of Geo-tagged Social Images. - Chenyi Zhuang; Qiang Ma 001; Xuefeng Liang; Masatoshi Yoshikawa (ASONAM, 2015)

Stress Prediction, Social Routing, and Privacy Protection for Pedestrians. - Masatoshi Yoshikawa (BigDAS, 2015)

Ranking Recipes According to Classicality towards Understanding Evolution of Food Preference. - Yichen Wen; Yasuhito Asano; Masatoshi Yoshikawa (Culture Computing, 2015)

Location familiarity based flickr photographer classification for POI mining. - Chenyi Zhuang; Qiang Ma 001; Masatoshi Yoshikawa (SIGSPATIAL/GIS, 2015)

Towards Support for Understanding Classical Music: Alignment of Content Descriptions on the Web. - Taku Kuribayashi; Yasuhito Asano; Masatoshi Yoshikawa (ISMIR, 2015)

Differentially Private Real-Time Data Release over Infinite Trajectory Streams. - Yang Cao 011; Masatoshi Yoshikawa (MDM (2), 2015)

An Analysis of the Walking Environmental Factors Affecting the Stress of Pedestrians for Route Recommendation. - Hiroki Kitabayashi; Xinpeng Zhang 002; Yasuhito Asano; Masatoshi Yoshikawa (MDM (2), 2015)

Document similarity computation by combining multiple representation models. - Jiyi Li; Toshiyuki Shimizu; Masatoshi Yoshikawa (SNPD, 2015)

A Dynamic-Static Approach of Model Fusion for Document Similarity Computation. - Jiyi Li; Yasuhito Asano; Toshiyuki Shimizu; Masatoshi Yoshikawa (WISE (1), 2015)

Evaluation with Confusable Ground Truth. - Jiyi Li; Masatoshi Yoshikawa (AIRS, 2016)

Course Content Analysis: An Initiative Step toward Learning Object Recommendation Systems for MOOC Learners. - Yiling Dai; Yasuhito Asano; Masatoshi Yoshikawa (EDM, 2016)

Revealing oral medication patterns from reconstructed long-term medication history of type 2 diabetes. - Purnomo Husnul Khotimah; Yuichi Sugiyama; Masatoshi Yoshikawa; Akihiro Hamasaki; Kazuya Okamoto; Tomohiro Kuroda (EMBC, 2016)

Multi-user routing to single destination with confluence. - Kazuki Takise; Yasuhito Asano; Masatoshi Yoshikawa (SIGSPATIAL/GIS, 2016)

Comparing frequent patterns: A study case of Apriori and singleton implementations in a diabetes type 2 data set. - Purnomo Husnul Khotimah; Masatoshi Yoshikawa; Akihiro Hamasaki; Osamu Sugiyama; Kazuya Okamoto; Tomohiro Kuroda (IC3INA, 2016)

A Visualization of Relationships Among Papers Using Citation and Co-citation Information. - Yu Nakano; Toshiyuki Shimizu; Masatoshi Yoshikawa (ICADL, 2016)

Flexible Similarity Search for Enriched Trajectories. - Hideaki Ohashi; Toshiyuki Shimizu; Masatoshi Yoshikawa (ICDM Workshops, 2016)

Your Neighbors Are My Spies: Location and other Privacy Concerns in Dating Apps. - Nguyen Phong Hoang; Yasuhito Asano; Masatoshi Yoshikawa (CoRR, 2016)

Your Neighbors Are My Spies: Location and other Privacy Concerns in GLBT-focused Location-based Dating Applications. - Nguyen Phong Hoang; Yasuhito Asano; Masatoshi Yoshikawa (CoRR, 2016)

Differentially Private Real-Time Data Publishing over Infinite Trajectory Streams. - Yang Cao 011; Masatoshi Yoshikawa (IEICE Trans. Inf. Syst., 2016)

Mutually Beneficial Confluent Routing. - Xinpeng Zhang 002; Yasuhito Asano; Masatoshi Yoshikawa (IEEE Trans. Knowl. Data Eng., 2016)

Quantifying Differential Privacy under Temporal Correlations. - Yang Cao 011; Masatoshi Yoshikawa; Yonghui Xiao; Li Xiong 001 (ICDE, 2017)

Automatic generation of plot for education by teacher-student dialogue style. - Hironori Ito; Yasuhito Asano; Masatoshi Yoshikawa (ICEMT, 2017)

Cell-Based Provenance for Scientific Data. - Juyeong Park; Masatoshi Yoshikawa; Hiroyuki Kato (JCDL, 2017)

How to Balance Privacy and Money through Pricing Mechanism in Personal Data Market. - Rachana Nget; Yang Cao 011; Masatoshi Yoshikawa (eCOM@SIGIR, 2017)

Flexible and Fast Similarity Search for Enriched Trajectories. - Hideaki Ohashi; Toshiyuki Shimizu; Masatoshi Yoshikawa (IEICE Trans. Inf. Syst., 2017)

SNS user classification and its application to obscure POI discovery. - Chenyi Zhuang; Qiang Ma 001; Masatoshi Yoshikawa (Multim. Tools Appl., 2017)

Asian Summer School in Information Access (ASSIA 2017). - Makoto P. Kato; Takehiro Yamamoto; Hideo Joho; Masatoshi Yoshikawa (SIGIR Forum, 2017)

Understanding Characteristics of Biased Sentences in News Articles. - Sora Lim; Adam Jatowt; Masatoshi Yoshikawa (CIKM Workshops, 2018)

Beyond Narrative Description: Generating Poetry from Images by Multi-Adversarial Training. - Bei Liu 001; Jianlong Fu; Makoto P. Kato; Masatoshi Yoshikawa (ACM Multimedia, 2018)

A View-based Programmable Architecture for Controlling and Integrating Decentralized Data. - Yasuhito Asano; Soichiro Hidaka; Zhenjiang Hu; Yasunori Ishihara; Hiroyuki Kato; Hsiang-Shang Ko; Keisuke Nakano 001; Makoto Onizuka; Yuya Sasaki 001; Toshiyuki Shimizu; Kanae Tsushima; Masatoshi Yoshikawa (CoRR, 2018)

Making View Update Strategies Programmable - Toward Controlling and Sharing Distributed Data -. - Yasuhito Asano; Soichiro Hidaka; Zhenjiang Hu; Yasunori Ishihara; Hiroyuki Kato; Hsiang-Shang Ko; Keisuke Nakano 001; Makoto Onizuka; Yuya Sasaki 001; Toshiyuki Shimizu; Van-Dang Tran; Kanae Tsushima; et al. (CoRR, 2018)

Entity Ranking for Queries with Modifiers Based on Knowledge Bases and Web Search Results. - Wiradee Imrattanatrai; Makoto P. Kato; Katsumi Tanaka; Masatoshi Yoshikawa (IEICE Trans. Inf. Syst., 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)

ConTPL: Controlling Temporal Privacy Leakage in Differentially Private Continuous Data Release. - Yang Cao 011; Li Xiong 001; Masatoshi Yoshikawa; Yonghui Xiao; Si Zhang (Proc. VLDB Endow., 2018)

Medication Episode Construction Framework for Retrospective Database Analyses of Patients With Chronic Diseases. - Purnomo Husnul Khotimah; Yuichi Sugiyama; Masatoshi Yoshikawa; Akihiro Hamasaki; Osamu Sugiyama; Kazuya Okamoto; Tomohiro Kuroda (IEEE J. Biomed. Health Informatics, 2018)

XML Storage. - Denilson Barbosa 001; Philip Bohannon; Juliana Freire; Carl-Christian Kanne; Ioana Manolescu; Vasilis Vassalos; Masatoshi Yoshikawa (Encyclopedia of Database Systems (2nd ed.), 2018)

Controlling and Sharing Distributed Data for Implementing Service Alliance. - Yasuhito Asano; Zhenjiang Hu; Yasunori Ishihara; Hiroyuki Kato; Makoto Onizuka; Masatoshi Yoshikawa (BigComp, 2019)

Analyzing the Effects of Document's Opinion and Credibility on Search Behaviors and Belief Dynamics. - Suppanut Pothirattanachaikul; Takehiro Yamamoto; Yusuke Yamamoto; Masatoshi Yoshikawa (CIKM, 2019)

Give and Take: Adaptive Balanced Allocation for Peer Assessments. - Hideaki Ohashi; Yasuhito Asano; Toshiyuki Shimizu; Masatoshi Yoshikawa (COCOON, 2019)

Typicality-Based Across-Time Mapping of Entity Sets in Document Archives. - Yijun Duan; Adam Jatowt; Sourav S. Bhowmick; Masatoshi Yoshikawa (DASFAA (1), 2019)

"When and Where Do You Want to Hide?" - Recommendation of Location Privacy Preferences with Local Differential Privacy. - Maho Asada; Masatoshi Yoshikawa; Yang Cao 011 (DBSec, 2019)

Geo-Graph-Indistinguishability: Protecting Location Privacy for LBS over Road Networks. - Shun Takagi; Yang Cao 011; Yasuhito Asano; Masatoshi Yoshikawa (DBSec, 2019)

Assessing the Impact of a New Released Medicine Towards Medication Strategy Using Graph Based Visualization. - Purnomo Husnul Khotimah; Masatoshi Yoshikawa; Akihiro Hamasaki; Osamu Sugiyama; Kazuya Okamoto; Tomohiro Kuroda (IC3INA, 2019)

Blockchain-Based Bidirectional Updates on Fine-Grained Medical Data. - Chunmiao Li; Yang Cao 011; Zhenjiang Hu; Masatoshi Yoshikawa (ICDE Workshops, 2019)

Identifying Entity Properties from Text with Zero-shot Learning. - Wiradee Imrattanatrai; Makoto P. Kato; Masatoshi Yoshikawa (SIGIR, 2019)

Money Cannot Buy Everything: Trading Infinite Location Data Streams with Bounded Individual Privacy Loss. - Shuyuan Zheng; Yang Cao 011; Masatoshi Yoshikawa (CoRR, 2019)

Toward a view-based data cleaning architecture. - Toshiyuki Shimizu; Hiroki Omori; Masatoshi Yoshikawa (CoRR, 2019)

Mapping Entity Sets in News Archives Across Time. - Yijun Duan; Adam Jatowt; Sourav S. Bhowmick; Masatoshi Yoshikawa (Data Sci. Eng., 2019)

PriSTE: Protecting Spatiotemporal Event Privacy in Continuous Location-Based Services. - Yang Cao 011; Yonghui Xiao; Li Xiong 001; Liquan Bai; Masatoshi Yoshikawa (Proc. VLDB Endow., 2019)

Quantifying Differential Privacy in Continuous Data Release Under Temporal Correlations. - Yang Cao 011; Masatoshi Yoshikawa; Yonghui Xiao; Li Xiong 001 (IEEE Trans. Knowl. Data Eng., 2019)

Errata on "Quantifying Differential Privacy in Continuous Data Release under Temporal Correlations". - Yang Cao 011; Masatoshi Yoshikawa; Yonghui Xiao; Li Xiong 001 (IEEE Trans. Knowl. Data Eng., 2019)

Secure and Efficient Trajectory-Based Contact Tracing using Trusted Hardware. - Fumiyuki Kato; Yang Cao 011; Masatoshi Yoshikawa (IEEE BigData, 2020)

Voice-Indistinguishability - Protecting Voiceprint with Differential Privacy under an Untrusted Server. - Yaowei Han; Yang Cao 011; Sheng Li 010; Qiang Ma 001; Masatoshi Yoshikawa (CCS, 2020)

POSTER: Protecting Location Privacy on Road Networks. - Shun Takagi; Yang Cao 011; Yasuhito Asano; Masatoshi Yoshikawa (AsiaCCS, 2020)

POSTER: Data Collection via Local Differential Privacy with Secret Parameters. - Shun Takagi; Yang Cao 011; Masatoshi Yoshikawa (AsiaCCS, 2020)

FedSel: Federated SGD Under Local Differential Privacy with Top-k Dimension Selection. - Ruixuan Liu; Yang Cao 011; Masatoshi Yoshikawa; Hong Chen 001 (DASFAA (1), 2020)

Schedule for Detour-Type Demand Bus with Regular Usage Data. - Yuuri Sakai; Yasuhito Asano; Masatoshi Yoshikawa (DEXA (1), 2020)

Comparative Timeline Summarization via Dynamic Affinity-Preserving Random Walk. - Yijun Duan; Adam Jatowt; Masatoshi Yoshikawa (ECAI, 2020)

Answering Event-Related Questions over Long-Term News Article Archives. - Jiexin Wang; Adam Jatowt; Michael Färber 001; Masatoshi Yoshikawa (ECIR (1), 2020)

PGLP: Customizable and Rigorous Location Privacy Through Policy Graph. - Yang Cao 011; Yonghui Xiao; Shun Takagi; Li Xiong 001; Masatoshi Yoshikawa; Yilin Shen; Jinfei Liu; Hongxia Jin; Xiaofeng Xu (ESORICS (1), 2020)

Blockchain-Empowered Contact Tracing for COVID-19 Using Crypto-Spatiotemporal Information. - Zheng Wen 001; Keping Yu; Xin Qi 002; Toshio Sato; Yutaka Katsuyama; Takuro Sato; Wataru Kameyama; Fumiyuki Kato; Yang Cao 011; Masatoshi Yoshikawa; Min Luo; Jun Hashimoto (HealthCom, 2020)

Analyzing the Effects of. - Suppanut Pothirattanachaikul; Takehiro Yamamoto; Yusuke Yamamoto; Masatoshi Yoshikawa (HT, 2020)

Voice-Indistinguishability: Protecting Voiceprint In Privacy-Preserving Speech Data Release. - Yaowei Han; Sheng Li 010; Yang Cao 011; Qiang Ma 001; Masatoshi Yoshikawa (ICME, 2020)

Keyword Recommendation Methods for Earth Science Data Considering Hierarchical Structure of Vocabularies. - Toshiyuki Shimizu; Joji Kido; Masatoshi Yoshikawa (JCDL, 2020)

Annotating and Analyzing Biased Sentences in News Articles using Crowdsourcing. - Sora Lim; Adam Jatowt; Michael Färber 001; Masatoshi Yoshikawa (LREC, 2020)

Money Cannot Buy Everything: Trading Mobile Data with Controllable Privacy Loss. - Shuyuan Zheng; Yang Cao 011; Masatoshi Yoshikawa (MDM, 2020)

Determining image age with rank-consistent ordinal classification and object-centered ensemble. - Shota Ashida; Adam Jatowt; Antoine Doucet; Masatoshi Yoshikawa (MMAsia, 2020)

Conflict or cooperation?: predicting future tendency of international relations. - Peng Chen; Adam Jatowt; Masatoshi Yoshikawa (SAC, 2020)

Data Integration Models and Architectures for Service Alliances. - Yasuhito Asano; Zhenjiang Hu; Yasunori Ishihara; Makoto Onizuka; Masato Takeichi; Masatoshi Yoshikawa (SFDI/LSGDA@VLDB, 2020)

Cross-Domain Rating Prediction for Market Development. - Yuki Otsuka; Makoto P. Kato; Sumio Fujita; Masatoshi Yoshikawa (WI/IAT, 2020)

Customizable and Rigorous Location Privacy through Policy Graph. - Yang Cao 011; Yonghui Xiao; Shun Takagi; Li Xiong 001; Masatoshi Yoshikawa; Yilin Shen; Jinfei Liu; Hongxia Jin; Xiaofeng Xu (CoRR, 2020)

Geo-Graph-Indistinguishability: Location Privacy on Road Networks Based on Differential Privacy. - Shun Takagi; Yang Cao 011; Yasuhito Asano; Masatoshi Yoshikawa (CoRR, 2020)

Quantifying the Privacy-Utility Trade-offs in COVID-19 Contact Tracing Apps. - Patrick Ocheja; Yang Cao 011; Shiyao Ding; Masatoshi Yoshikawa (CoRR, 2020)

Estimating Knowledge Category Coverage by Courses Based on Centrality in Taxonomy. - Yiling Dai; Masatoshi Yoshikawa; Yasuhito Asano (IEICE Trans. Inf. Syst., 2020)

Adaptive Balanced Allocation for Peer Assessments. - Hideaki Ohashi; Yasuhito Asano; Toshiyuki Shimizu; Masatoshi Yoshikawa (IEICE Trans. Inf. Syst., 2020)

An analysis and comparison of keyword recommendation methods for scientific data. - Youichi Ishida; Toshiyuki Shimizu; Masatoshi Yoshikawa (Int. J. Digit. Libr., 2020)

PANDA: Policy-aware Location Privacy for Epidemic Surveillance. - Yang Cao 011; Shun Takagi; Yonghui Xiao; Li Xiong 001; Masatoshi Yoshikawa (Proc. VLDB Endow., 2020)

FLAME: Differentially Private Federated Learning in the Shuffle Model. - Ruixuan Liu; Yang Cao 011; Hong Chen 001; Ruoyang Guo; Masatoshi Yoshikawa (AAAI, 2021)

Multi-TimeLine Summarization (MTLS): Improving Timeline Summarization by Generating Multiple Summaries. - Yi Yu; Adam Jatowt; Antoine Doucet; Kazunari Sugiyama; Masatoshi Yoshikawa (ACL/IJCNLP (1), 2021)

Preventing Manipulation Attack in Local Differential Privacy Using Verifiable Randomization Mechanism. - Fumiyuki Kato; Yang Cao 011; Masatoshi Yoshikawa (DBSec, 2021)

Exploding TV Sets and Disappointing Laptops: Suggesting Interesting Content in News Archives Based on Surprise Estimation. - Adam Jatowt; I-Chen Hung; Michael Färber 001; Ricardo Campos 001; Masatoshi Yoshikawa (ECIR (1), 2021)

Diachronic Linguistic Periodization of Temporal Document Collections for Discovering Evolutionary Word Semantics. - Yijun Duan; Adam Jatowt; Masatoshi Yoshikawa; Xin Liu 020; Akiyoshi Matono (ICADL, 2021)

P3GM: Private High-Dimensional Data Release via Privacy Preserving Phased Generative Model. - Shun Takagi; Tsubasa Takahashi 001; Yang Cao 011; Masatoshi Yoshikawa (ICDE, 2021)

Estimating Contemporary Relevance of Past News. - Mari Sato; Adam Jatowt; Yijun Duan; Ricardo Campos 001; Masatoshi Yoshikawa (JCDL, 2021)

Event Occurrence Date Estimation based on Multivariate Time Series Analysis over Temporal Document Collections. - Jiexin Wang; Adam Jatowt; Masatoshi Yoshikawa (SIGIR, 2021)

Asymmetric Differential Privacy. - Shun Takagi; Yang Cao 011; Masatoshi Yoshikawa (CoRR, 2021)

Trading Data with Personalized Differential Privacy and Partial Arbitrage Freeness. - Shuyuan Zheng; Yang Cao 011; Masatoshi Yoshikawa (CoRR, 2021)

Incentive Mechanism for Privacy-Preserving Federated Learning. - Shuyuan Zheng; Yang Cao 011; Masatoshi Yoshikawa (CoRR, 2021)

Understanding the Interplay between Privacy and Robustness in Federated Learning. - Yaowei Han; Yang Cao 011; Masatoshi Yoshikawa (CoRR, 2021)

ArchivalQA: A Large-scale Benchmark Dataset for Open Domain Question Answering over Archival News Collections. - Jiexin Wang; Adam Jatowt; Masatoshi Yoshikawa (CoRR, 2021)

Prerequisite-aware course ordering towards getting relevant job opportunities. - Yiling Dai; Masatoshi Yoshikawa; Kazunari Sugiyama (Expert Syst. Appl., 2021)

Improving question answering for event-focused questions in temporal collections of news articles. - Jiexin Wang; Adam Jatowt; Michael Färber 001; Masatoshi Yoshikawa (Inf. Retr. J., 2021)

Protecting Spatiotemporal Event Privacy in Continuous Location-Based Services. - Yang Cao 011; Yonghui Xiao; Li Xiong 001; Liquan Bai; Masatoshi Yoshikawa (IEEE Trans. Knowl. Data Eng., 2021)

Boosting Utility of Differentially Private Streaming Data Release under Temporal Correlations. - Xuyang Cao; Yang Cao 011; Masatoshi Yoshikawa; Atsuyoshi Nakamura (IEEE Big Data, 2022)

A Crypto-Assisted Approach for Publishing Graph Statistics with Node Local Differential Privacy. - Shang Liu 001; Yang Cao 011; Takao Murakami; Masatoshi Yoshikawa (IEEE Big Data, 2022)

Asymmetric Differential Privacy. - Shun Takagi; Fumiyuki Kato; Yang Cao 011; Masatoshi Yoshikawa (IEEE Big Data, 2022)

FL-Market: Trading Private Models in Federated Learning. - Shuyuan Zheng; Yang Cao 011; Masatoshi Yoshikawa; Huizhong Li; Qiang Yan 001 (IEEE Big Data, 2022)

Mitigating Privacy Vulnerability Caused by Map Asymmetry. - Ryota Hiraishi; Masatoshi Yoshikawa; Shun Takagi; Yang Cao 011; Sumio Fujita; Hidehito Gomi (DBSec, 2022)

An Accurate, Flexible and Private Trajectory-Based Contact Tracing System on Untrusted Servers. - Ruixuan Cao; Fumiyuki Kato; Yang Cao 011; Masatoshi Yoshikawa (iiWAS, 2022)

ArchivalQA: A Large-scale Benchmark Dataset for Open-Domain Question Answering over Historical News Collections. - Jiexin Wang; Adam Jatowt; Masatoshi Yoshikawa (SIGIR, 2022)

Network Shuffling: Privacy Amplification via Random Walks. - Seng Pei Liew; Tsubasa Takahashi 001; Shun Takagi; Fumiyuki Kato; Yang Cao 011; Masatoshi Yoshikawa (SIGMOD Conference, 2022)

OLIVE: Oblivious and Differentially Private Federated Learning on Trusted Execution Environment. - Fumiyuki Kato; Yang Cao 011; Masatoshi Yoshikawa (CoRR, 2022)

TimeBERT: Enhancing Pre-Trained Language Representations with Temporal Information. - Jiexin Wang; Adam Jatowt; Masatoshi Yoshikawa (CoRR, 2022)

Local Differential Privacy Image Generation Using Flow-based Deep Generative Models. - Hisaichi Shibata; Shouhei Hanaoka; Yang Cao 011; Masatoshi Yoshikawa; Tomomi Takenaga; Yukihiro Nomura; Naoto Hayashi; Osamu Abe (CoRR, 2022)

Does Student-Submission Allocation Affect Peer Assessment Accuracy? - Hideaki Ohashi; Toshiyuki Shimizu; Masatoshi Yoshikawa (IEICE Trans. Inf. Syst., 2022)

HDPView: Differentially Private Materialized View for Exploring High Dimensional Relational Data. - Fumiyuki Kato; Tsubasa Takahashi 001; Shun Takagi; Yang Cao 011; Seng Pei Liew; Masatoshi Yoshikawa (Proc. VLDB Endow., 2022)

PCT-TEE: Trajectory-based Private Contact Tracing System with Trusted Execution Environment. - Fumiyuki Kato; Yang Cao 011; Masatoshi Yoshikawa (ACM Trans. Spatial Algorithms Syst., 2022)

From Bounded to Unbounded: Privacy Amplification via Shuffling with Dummies. - Shun Takagi; Fumiyuki Kato; Yang Cao 011; Masatoshi Yoshikawa (CSF, 2023)

Differentially Private Streaming Data Release Under Temporal Correlations via Post-processing. - Xuyang Cao; Yang Cao 011; Primal Pappachan; Atsuyoshi Nakamura; Masatoshi Yoshikawa (DBSec, 2023)

General or Specific? Investigating Effective Privacy Protection in Federated Learning for Speech Emotion Recognition. - Chao Tan; Yang Cao 011; Sheng Li 010; Masatoshi Yoshikawa (ICASSP, 2023)

Locally Private Streaming Data Release with Shuffling and Subsampling. - Xiaoyu Li; Yang Cao 011; Masatoshi Yoshikawa (ICDEW, 2023)

BiTimeBERT: Extending Pre-Trained Language Representations with Bi-Temporal Information. - Jiexin Wang; Adam Jatowt; Masatoshi Yoshikawa; Yi Cai 001 (SIGIR, 2023)

Supporting Pandemic Preparedness with Privacy Enhancing Technology. - Ruixuan Liu; Sepanta Zeighami; Haowen Lin; Cyrus Shahabi; Yang Cao 011; Shun Takagi; Yoko Konishi; Masatoshi Yoshikawa; Li Xiong 001 (TPS-ISA, 2023)

Olive: Oblivious Federated Learning on Trusted Execution Environment Against the Risk of Sparsification. - Fumiyuki Kato; Yang Cao 011; Masatoshi Yoshikawa (Proc. VLDB Endow., 2023)

Secure Shapley Value for Cross-Silo Federated Learning. - Shuyuan Zheng; Yang Cao 011; Masatoshi Yoshikawa (Proc. VLDB Endow., 2023)

Geo-Graph-Indistinguishability: Location Privacy on Road Networks with Differential Privacy. - Shun Takagi; Yang Cao 011; Yasuhito Asano; Masatoshi Yoshikawa (IEICE Trans. Inf. Syst., 2023)

Mechanisms to Address Different Privacy Requirements for Users and Locations. - Ryota Hiraishi; Masatoshi Yoshikawa; Yang Cao 011; Sumio Fujita; Hidehito Gomi (IEICE Trans. Inf. Syst., 2023)

Enhancing Privacy of Spatiotemporal Federated Learning Against Gradient Inversion Attacks. - Lele Zheng; Yang Cao 011; Renhe Jiang; Kenjiro Taura; Yulong Shen; Sheng Li 010; Masatoshi Yoshikawa (DASFAA (1), 2024)

CARGO: Crypto-Assisted Differentially Private Triangle Counting Without Trusted Servers. - Shang Liu 001; Yang Cao 011; Takao Murakami; Jinfei Liu; Masatoshi Yoshikawa (ICDE, 2024)

Federated Graph Analytics with Differential Privacy. - Shang Liu 001; Yang Cao 011; Takao Murakami; Weiran Liu; Seng Pei Liew; Tsubasa Takahashi 001; Jinfei Liu; Masatoshi Yoshikawa (CoRR, 2024)

Extracting Spatiotemporal Data from Gradients with Large Language Models. - Lele Zheng; Yang Cao 011; Renhe Jiang; Kenjiro Taura; Yulong Shen; Sheng Li 010; Masatoshi Yoshikawa (CoRR, 2024)

Is this news article still relevant? Ranking by contemporary relevance in archival search. - Adam Jatowt; Mari Sato; Simon Draxl; Yijun Duan; Ricardo Campos 001; Masatoshi Yoshikawa (Int. J. Digit. Libr., 2024)

Uldp-FL: Federated Learning with Across Silo User-Level Differential Privacy. - Fumiyuki Kato; Li Xiong 001; Shun Takagi; Yang Cao 011; Masatoshi Yoshikawa (Proc. VLDB Endow., 2024)

HRNet: Differentially Private Hierarchical and Multi-Resolution Network for Human Mobility Data Synthesization. - Shun Takagi; Li Xiong 001; Fumiyuki Kato; Yang Cao 011; Masatoshi Yoshikawa (Proc. VLDB Endow., 2024)

PGB: Benchmarking Differentially Private Synthetic Graph Generation Algorithms. - Shang Liu 001; Hao Du; Yang Cao 011; Bo Yan 005; Jinfei Liu; Masatoshi Yoshikawa (ICDE, 2025)

Data Overvaluation Attack and Truthful Data Valuation. - Shuyuan Zheng; Sudong Cai; Chuan Xiao 001; Yang Cao 011; Jianbin Qin; Masatoshi Yoshikawa; Makoto Onizuka (CoRR, 2025)