Masatoshi Yoshikawa

Orcid: 0000-0002-1176-700X

Affiliations:
  • Kyoto University, Japan (PhD 1985)


According to our database1, Masatoshi Yoshikawa authored at least 282 papers between 1982 and 2024.

Collaborative distances:

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Bibliography

2024
HRNet: Differentially Private Hierarchical and Multi-Resolution Network for Human Mobility Data Synthesization.
Proc. VLDB Endow., July, 2024

Uldp-FL: Federated Learning with Across Silo User-Level Differential Privacy.
Proc. VLDB Endow., July, 2024

Is this news article still relevant? Ranking by contemporary relevance in archival search.
Int. J. Digit. Libr., June, 2024

Extracting Spatiotemporal Data from Gradients with Large Language Models.
CoRR, 2024

PGB: Benchmarking Differentially Private Synthetic Graph Generation Algorithms.
CoRR, 2024

Federated Graph Analytics with Differential Privacy.
CoRR, 2024

CARGO: Crypto-Assisted Differentially Private Triangle Counting Without Trusted Servers.
Proceedings of the 40th IEEE International Conference on Data Engineering, 2024

Enhancing Privacy of Spatiotemporal Federated Learning Against Gradient Inversion Attacks.
Proceedings of the Database Systems for Advanced Applications, 2024

2023
Mechanisms to Address Different Privacy Requirements for Users and Locations.
IEICE Trans. Inf. Syst., December, 2023

Geo-Graph-Indistinguishability: Location Privacy on Road Networks with Differential Privacy.
IEICE Trans. Inf. Syst., May, 2023

Secure Shapley Value for Cross-Silo Federated Learning.
Proc. VLDB Endow., 2023

Olive: Oblivious Federated Learning on Trusted Execution Environment Against the Risk of Sparsification.
Proc. VLDB Endow., 2023

Supporting Pandemic Preparedness with Privacy Enhancing Technology.
Proceedings of the 5th IEEE International Conference on Trust, 2023

BiTimeBERT: Extending Pre-Trained Language Representations with Bi-Temporal Information.
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2023

Locally Private Streaming Data Release with Shuffling and Subsampling.
Proceedings of the 39th IEEE International Conference on Data Engineering, ICDE 2023, 2023

General or Specific? Investigating Effective Privacy Protection in Federated Learning for Speech Emotion Recognition.
Proceedings of the IEEE International Conference on Acoustics, 2023

Differentially Private Streaming Data Release Under Temporal Correlations via Post-processing.
Proceedings of the Data and Applications Security and Privacy XXXVII, 2023

From Bounded to Unbounded: Privacy Amplification via Shuffling with Dummies.
Proceedings of the 36th IEEE Computer Security Foundations Symposium, 2023

2022
PCT-TEE: Trajectory-based Private Contact Tracing System with Trusted Execution Environment.
ACM Trans. Spatial Algorithms Syst., 2022

HDPView: Differentially Private Materialized View for Exploring High Dimensional Relational Data.
Proc. VLDB Endow., 2022

Does Student-Submission Allocation Affect Peer Assessment Accuracy?
IEICE Trans. Inf. Syst., 2022

Local Differential Privacy Image Generation Using Flow-based Deep Generative Models.
CoRR, 2022

TimeBERT: Enhancing Pre-Trained Language Representations with Temporal Information.
CoRR, 2022

OLIVE: Oblivious and Differentially Private Federated Learning on Trusted Execution Environment.
CoRR, 2022

Network Shuffling: Privacy Amplification via Random Walks.
Proceedings of the SIGMOD '22: International Conference on Management of Data, Philadelphia, PA, USA, June 12, 2022

ArchivalQA: A Large-scale Benchmark Dataset for Open-Domain Question Answering over Historical News Collections.
Proceedings of the SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11, 2022

An Accurate, Flexible and Private Trajectory-Based Contact Tracing System on Untrusted Servers.
Proceedings of the Information Integration and Web Intelligence, 2022

Mitigating Privacy Vulnerability Caused by Map Asymmetry.
Proceedings of the Data and Applications Security and Privacy XXXVI, 2022

FL-Market: Trading Private Models in Federated Learning.
Proceedings of the IEEE International Conference on Big Data, 2022

Asymmetric Differential Privacy.
Proceedings of the IEEE International Conference on Big Data, 2022

A Crypto-Assisted Approach for Publishing Graph Statistics with Node Local Differential Privacy.
Proceedings of the IEEE International Conference on Big Data, 2022

Boosting Utility of Differentially Private Streaming Data Release under Temporal Correlations.
Proceedings of the IEEE International Conference on Big Data, 2022

2021
Protecting Spatiotemporal Event Privacy in Continuous Location-Based Services.
IEEE Trans. Knowl. Data Eng., 2021

Improving question answering for event-focused questions in temporal collections of news articles.
Inf. Retr. J., 2021

Prerequisite-aware course ordering towards getting relevant job opportunities.
Expert Syst. Appl., 2021

ArchivalQA: A Large-scale Benchmark Dataset for Open Domain Question Answering over Archival News Collections.
CoRR, 2021

Understanding the Interplay between Privacy and Robustness in Federated Learning.
CoRR, 2021

Incentive Mechanism for Privacy-Preserving Federated Learning.
CoRR, 2021

Trading Data with Personalized Differential Privacy and Partial Arbitrage Freeness.
CoRR, 2021

Asymmetric Differential Privacy.
CoRR, 2021

Event Occurrence Date Estimation based on Multivariate Time Series Analysis over Temporal Document Collections.
Proceedings of the SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2021

Estimating Contemporary Relevance of Past News.
Proceedings of the ACM/IEEE Joint Conference on Digital Libraries, 2021

P3GM: Private High-Dimensional Data Release via Privacy Preserving Phased Generative Model.
Proceedings of the 37th IEEE International Conference on Data Engineering, 2021

Diachronic Linguistic Periodization of Temporal Document Collections for Discovering Evolutionary Word Semantics.
Proceedings of the Towards Open and Trustworthy Digital Societies, 2021

Exploding TV Sets and Disappointing Laptops: Suggesting Interesting Content in News Archives Based on Surprise Estimation.
Proceedings of the Advances in Information Retrieval, 2021

Preventing Manipulation Attack in Local Differential Privacy Using Verifiable Randomization Mechanism.
Proceedings of the Data and Applications Security and Privacy XXXV, 2021

Multi-TimeLine Summarization (MTLS): Improving Timeline Summarization by Generating Multiple Summaries.
Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing, 2021

FLAME: Differentially Private Federated Learning in the Shuffle Model.
Proceedings of the Thirty-Fifth AAAI Conference on Artificial Intelligence, 2021

2020
PANDA: Policy-aware Location Privacy for Epidemic Surveillance.
Proc. VLDB Endow., 2020

An analysis and comparison of keyword recommendation methods for scientific data.
Int. J. Digit. Libr., 2020

Adaptive Balanced Allocation for Peer Assessments.
IEICE Trans. Inf. Syst., 2020

Estimating Knowledge Category Coverage by Courses Based on Centrality in Taxonomy.
IEICE Trans. Inf. Syst., 2020

Quantifying the Privacy-Utility Trade-offs in COVID-19 Contact Tracing Apps.
CoRR, 2020

Geo-Graph-Indistinguishability: Location Privacy on Road Networks Based on Differential Privacy.
CoRR, 2020

Customizable and Rigorous Location Privacy through Policy Graph.
CoRR, 2020

Cross-Domain Rating Prediction for Market Development.
Proceedings of the IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology, 2020

Data Integration Models and Architectures for Service Alliances.
Proceedings of the Software Foundations for Data Interoperability and Large Scale Graph Data Analytics, 2020

Conflict or cooperation?: predicting future tendency of international relations.
Proceedings of the SAC '20: The 35th ACM/SIGAPP Symposium on Applied Computing, online event, [Brno, Czech Republic], March 30, 2020

Determining image age with rank-consistent ordinal classification and object-centered ensemble.
Proceedings of the MMAsia 2020: ACM Multimedia Asia, 2020

Money Cannot Buy Everything: Trading Mobile Data with Controllable Privacy Loss.
Proceedings of the 21st IEEE International Conference on Mobile Data Management, 2020

Annotating and Analyzing Biased Sentences in News Articles using Crowdsourcing.
Proceedings of The 12th Language Resources and Evaluation Conference, 2020

Keyword Recommendation Methods for Earth Science Data Considering Hierarchical Structure of Vocabularies.
Proceedings of the JCDL '20: Proceedings of the ACM/IEEE Joint Conference on Digital Libraries in 2020, 2020

Voice-Indistinguishability: Protecting Voiceprint In Privacy-Preserving Speech Data Release.
Proceedings of the IEEE International Conference on Multimedia and Expo, 2020

Analyzing the Effects of.
Proceedings of the HT '20: 31st ACM Conference on Hypertext and Social Media, 2020

Blockchain-Empowered Contact Tracing for COVID-19 Using Crypto-Spatiotemporal Information.
Proceedings of the 22nd IEEE International Conference on E-health Networking, 2020

PGLP: Customizable and Rigorous Location Privacy Through Policy Graph.
Proceedings of the Computer Security - ESORICS 2020, 2020

Answering Event-Related Questions over Long-Term News Article Archives.
Proceedings of the Advances in Information Retrieval, 2020

Comparative Timeline Summarization via Dynamic Affinity-Preserving Random Walk.
Proceedings of the ECAI 2020 - 24th European Conference on Artificial Intelligence, 29 August-8 September 2020, Santiago de Compostela, Spain, August 29 - September 8, 2020, 2020

Schedule for Detour-Type Demand Bus with Regular Usage Data.
Proceedings of the Database and Expert Systems Applications, 2020

FedSel: Federated SGD Under Local Differential Privacy with Top-k Dimension Selection.
Proceedings of the Database Systems for Advanced Applications, 2020

POSTER: Data Collection via Local Differential Privacy with Secret Parameters.
Proceedings of the ASIA CCS '20: The 15th ACM Asia Conference on Computer and Communications Security, 2020

POSTER: Protecting Location Privacy on Road Networks.
Proceedings of the ASIA CCS '20: The 15th ACM Asia Conference on Computer and Communications Security, 2020

Voice-Indistinguishability - Protecting Voiceprint with Differential Privacy under an Untrusted Server.
Proceedings of the CCS '20: 2020 ACM SIGSAC Conference on Computer and Communications Security, 2020

Secure and Efficient Trajectory-Based Contact Tracing using Trusted Hardware.
Proceedings of the 2020 IEEE International Conference on Big Data (IEEE BigData 2020), 2020

2019
Errata on "Quantifying Differential Privacy in Continuous Data Release under Temporal Correlations".
IEEE Trans. Knowl. Data Eng., 2019

Quantifying Differential Privacy in Continuous Data Release Under Temporal Correlations.
IEEE Trans. Knowl. Data Eng., 2019

PriSTE: Protecting Spatiotemporal Event Privacy in Continuous Location-Based Services.
Proc. VLDB Endow., 2019

Mapping Entity Sets in News Archives Across Time.
Data Sci. Eng., 2019

Toward a view-based data cleaning architecture.
CoRR, 2019

Money Cannot Buy Everything: Trading Infinite Location Data Streams with Bounded Individual Privacy Loss.
CoRR, 2019

Identifying Entity Properties from Text with Zero-shot Learning.
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, 2019

Blockchain-Based Bidirectional Updates on Fine-Grained Medical Data.
Proceedings of the 35th IEEE International Conference on Data Engineering Workshops, 2019

Assessing the Impact of a New Released Medicine Towards Medication Strategy Using Graph Based Visualization.
Proceedings of the 2019 International Conference on Computer, 2019

Geo-Graph-Indistinguishability: Protecting Location Privacy for LBS over Road Networks.
Proceedings of the Data and Applications Security and Privacy XXXIII, 2019

"When and Where Do You Want to Hide?" - Recommendation of Location Privacy Preferences with Local Differential Privacy.
Proceedings of the Data and Applications Security and Privacy XXXIII, 2019

Typicality-Based Across-Time Mapping of Entity Sets in Document Archives.
Proceedings of the Database Systems for Advanced Applications, 2019

Give and Take: Adaptive Balanced Allocation for Peer Assessments.
Proceedings of the Computing and Combinatorics - 25th International Conference, 2019

Analyzing the Effects of Document's Opinion and Credibility on Search Behaviors and Belief Dynamics.
Proceedings of the 28th ACM International Conference on Information and Knowledge Management, 2019

Controlling and Sharing Distributed Data for Implementing Service Alliance.
Proceedings of the IEEE International Conference on Big Data and Smart Computing, 2019

2018
XML Storage.
Proceedings of the Encyclopedia of Database Systems, Second Edition, 2018

Medication Episode Construction Framework for Retrospective Database Analyses of Patients With Chronic Diseases.
IEEE J. Biomed. Health Informatics, 2018

ConTPL: Controlling Temporal Privacy Leakage in Differentially Private Continuous Data Release.
Proc. VLDB Endow., 2018

Mining Alternative Actions from Community Q&A Corpus.
J. Inf. Process., 2018

Entity Ranking for Queries with Modifiers Based on Knowledge Bases and Web Search Results.
IEICE Trans. Inf. Syst., 2018

Making View Update Strategies Programmable - Toward Controlling and Sharing Distributed Data -.
CoRR, 2018

A View-based Programmable Architecture for Controlling and Integrating Decentralized Data.
CoRR, 2018

Beyond Narrative Description: Generating Poetry from Images by Multi-Adversarial Training.
Proceedings of the 2018 ACM Multimedia Conference on Multimedia Conference, 2018

Understanding Characteristics of Biased Sentences in News Articles.
Proceedings of the CIKM 2018 Workshops co-located with 27th ACM International Conference on Information and Knowledge Management (CIKM 2018), 2018

2017
Asian Summer School in Information Access (ASSIA 2017).
SIGIR Forum, 2017

SNS user classification and its application to obscure POI discovery.
Multim. Tools Appl., 2017

Flexible and Fast Similarity Search for Enriched Trajectories.
IEICE Trans. Inf. Syst., 2017

How to Balance Privacy and Money through Pricing Mechanism in Personal Data Market.
Proceedings of the SIGIR 2017 Workshop On eCommerce co-located with the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2017

Cell-Based Provenance for Scientific Data.
Proceedings of the 2017 ACM/IEEE Joint Conference on Digital Libraries, 2017

Automatic generation of plot for education by teacher-student dialogue style.
Proceedings of the 2017 International Conference on Education and Multimedia Technology, 2017

Quantifying Differential Privacy under Temporal Correlations.
Proceedings of the 33rd IEEE International Conference on Data Engineering, 2017

2016
Mutually Beneficial Confluent Routing.
IEEE Trans. Knowl. Data Eng., 2016

Differentially Private Real-Time Data Publishing over Infinite Trajectory Streams.
IEICE Trans. Inf. Syst., 2016

Your Neighbors Are My Spies: Location and other Privacy Concerns in GLBT-focused Location-based Dating Applications.
CoRR, 2016

Your Neighbors Are My Spies: Location and other Privacy Concerns in Dating Apps.
CoRR, 2016

Flexible Similarity Search for Enriched Trajectories.
Proceedings of the IEEE International Conference on Data Mining Workshops, 2016

A Visualization of Relationships Among Papers Using Citation and Co-citation Information.
Proceedings of the Digital Libraries: Knowledge, Information, and Data in an Open Access Society, 2016

Comparing frequent patterns: A study case of Apriori and singleton implementations in a diabetes type 2 data set.
Proceedings of the 2016 International Conference on Computer, 2016

Multi-user routing to single destination with confluence.
Proceedings of the 24th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, GIS 2016, Burlingame, California, USA, October 31, 2016

Revealing oral medication patterns from reconstructed long-term medication history of type 2 diabetes.
Proceedings of the 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2016

Course Content Analysis: An Initiative Step toward Learning Object Recommendation Systems for MOOC Learners.
Proceedings of the 9th International Conference on Educational Data Mining, 2016

Evaluation with Confusable Ground Truth.
Proceedings of the Information Retrieval Technology, 2016

2015
A Dynamic-Static Approach of Model Fusion for Document Similarity Computation.
Proceedings of the Web Information Systems Engineering - WISE 2015, 2015

Document similarity computation by combining multiple representation models.
Proceedings of the 16th IEEE/ACIS International Conference on Software Engineering, 2015

An Analysis of the Walking Environmental Factors Affecting the Stress of Pedestrians for Route Recommendation.
Proceedings of the 16th IEEE International Conference on Mobile Data Management, 2015

Differentially Private Real-Time Data Release over Infinite Trajectory Streams.
Proceedings of the 16th IEEE International Conference on Mobile Data Management, 2015

Towards Support for Understanding Classical Music: Alignment of Content Descriptions on the Web.
Proceedings of the 16th International Society for Music Information Retrieval Conference, 2015

Location familiarity based flickr photographer classification for POI mining.
Proceedings of the 23rd SIGSPATIAL International Conference on Advances in Geographic Information Systems, 2015

Ranking Recipes According to Classicality towards Understanding Evolution of Food Preference.
Proceedings of the 2015 International Conference on Culture and Computing, 2015

Stress Prediction, Social Routing, and Privacy Protection for Pedestrians.
Proceedings of the 2015 International Conference on Big Data Applications and Services, 2015

Discovering Obscure Sightseeing Spots by Analysis of Geo-tagged Social Images.
Proceedings of the 2015 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining, 2015

Enrichment of Academic Search Engine Results Pages by Citation-Based Graphs.
Proceedings of the Information Retrieval Technology, 2015

A Keyword Recommendation Method Using CorKeD Words and Its Application to Earth Science Data.
Proceedings of the Information Retrieval Technology, 2015

2014
Mining Knowledge on Relationships between Objects from the Web.
IEICE Trans. Inf. Syst., 2014

Time Graph Pattern Mining for Network Analysis and Information Retrieval.
IEICE Trans. Inf. Syst., 2014

Causal Analysis for Supporting Users' Understanding of Investment Trusts.
Proceedings of the 16th International Conference on Information Integration and Web-based Applications & Services, 2014

Linkage of compound objects for supporting maintenance of large-scale web sites.
Proceedings of the 8th International Conference on Ubiquitous Information Management and Communication, 2014

Anaba: An obscure sightseeing spots discovering system.
Proceedings of the IEEE International Conference on Multimedia and Expo, 2014

Fast and Exact Monitoring of Co-Evolving Data Streams.
Proceedings of the 2014 IEEE International Conference on Data Mining, 2014

Axis-Based Alignment of Scholarly Papers and Its Presentation Slides Considering Document Structure.
Proceedings of the Emergence of Digital Libraries - Research and Practices, 2014

A Method for Fine-Grained Document Alignment Using Structural Information.
Proceedings of the Web Technologies and Applications - 16th Asia-Pacific Web Conference, 2014

2013
A Generalized Flow-Based Method for Analysis of Implicit Relationships on Wikipedia.
IEEE Trans. Knowl. Data Eng., 2013

Tag Quality Improvement for Social Image Hosting Website.
Inf. Media Technol., 2013

Improving Content-based Social Image Retrieval Based on an Image-tag Relationship Model.
Inf. Media Technol., 2013

Ranking method specialized for content descriptions of classical music.
Proceedings of the 22nd International World Wide Web Conference, 2013

Classifying Twitter Users Based on User Profile and Followers Distribution.
Proceedings of the Database and Expert Systems Applications, 2013

Supporting Keyword Selection in Generating Earth Science Metadata.
Proceedings of the 37th Annual IEEE Computer Software and Applications Conference, 2013

Potential Semantics in Multi-modal Relevance Feedback Information for Image Retrieval.
Proceedings of the 37th Annual IEEE Computer Software and Applications Conference, 2013

Assessing quality score of Wikipedia article using mutual evaluation of editors and texts.
Proceedings of the 22nd ACM International Conference on Information and Knowledge Management, 2013

2012
Incremental Construction of Causal Network from News Articles.
J. Inf. Process., 2012

Re-ranking Content Based Social Image Search Results by Multi Modal Relevance Feedback.
Inf. Media Technol., 2012

Mining and Explaining Relationships in Wikipedia.
IEICE Trans. Inf. Syst., 2012

Mutual evaluation of editors and texts for assessing quality of Wikipedia articles.
Proceedings of the Eighth Annual International Symposium on Wikis and Open Collaboration, 2012

Improving Folksonomy Tag Quality of Social Image Hosting Website.
Proceedings of the Web-Age Information Management, 2012

Greedy Approximation Algorithms for Generalized Maximum Flow Problem towards Relation Extraction in Information Networks.
Proceedings of the Computational Geometry and Graphs - Thailand-Japan Joint Conference, 2012

Fast mining and forecasting of complex time-stamped events.
Proceedings of the 18th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 2012

How the web can help Wikipedia: a study on information complementation of Wikipedia by the web.
Proceedings of the 6th International Conference on Ubiquitous Information Management and Communication, 2012

QualityRank: assessing quality of wikipedia articles by mutually evaluating editors and texts.
Proceedings of the 23rd ACM Conference on Hypertext and Social Media, 2012

Trip Tweets Search by Considering Spatio-temporal Continuity of User Behavior.
Proceedings of the Database and Expert Systems Applications, 2012

Cause Analysis of New Incidents by Using Failure Knowledge Database.
Proceedings of the Database and Expert Systems Applications, 2012

Re-ranking by Multi-modal Relevance Feedback for Content-Based Social Image Retrieval.
Proceedings of the Web Technologies and Applications - 14th Asia-Pacific Web Conference, 2012

Effective Keyword-Based XML Retrieval Using the Data-Centric and Document-Centric Features.
Proceedings of the Information Retrieval Technology, 2012

2011
<i>D-Search</i>: an efficient and exact search algorithm for large distribution sets.
Knowl. Inf. Syst., 2011

News Bias Analysis Based on Stakeholder Mining.
IEICE Trans. Inf. Syst., 2011

Credibility-Oriented Ranking of Multimedia News Based on a Material-Opinion Model.
Proceedings of the Web-Age Information Management - 12th International Conference, 2011

Private range query by perturbation and matrix based encryption.
Proceedings of the Sixth IEEE International Conference on Digital Information Management, 2011

Discovering Inconsistency in Multimedia News Based on a Material-Opinion Model.
Proceedings of the 44th Hawaii International International Conference on Systems Science (HICSS-44 2011), 2011

A Bipartite Graph Model and Mutually Reinforcing Analysis for Review Sites.
Proceedings of the Database and Expert Systems Applications, 2011

Alternative Query Generation for XML Keyword Search and Its Optimization.
Proceedings of the Database and Expert Systems Applications, 2011

Propagation of Multi-granularity Annotations.
Proceedings of the Database and Expert Systems Applications, 2011

Towards Improving Wikipedia as an Image-Rich Encyclopaedia through Analyzing Appropriateness of Images for an Article.
Proceedings of the Web Technologies and Applications - 13th Asia-Pacific Web Conference, 2011

Ranking Content-Based Social Images Search Results with Social Tags.
Proceedings of the Information Retrieval Technology, 2011

2010
Metadata Management for Integration and Analysis of Earth Observation Data.
J. Softw., 2010

Extraction of Characteristic Description for Analyzing News Agencies.
J. Digit. Inf. Manag., 2010

Enishi: Searching Knowledge about Relations by Complementarily Utilizing Wikipedia and the Web.
Proceedings of the Web Information Systems Engineering - WISE 2010, 2010

Exploring Special Items in Multimedia News Based on a Stakeholder Model.
Proceedings of the 2010 IEEE/WIC/ACM International Conference on Web Intelligence, 2010

Stakeholder Mining and Its Application to News Comparison.
Proceedings of the 2010 IEEE/WIC/ACM International Conference on Web Intelligence, 2010

A Cross-Media Method of Stakeholder Extraction for News Contents Analysis.
Proceedings of the Web-Age Information Management, 11th International Conference, 2010

Time Graph Pattern Mining for Web Analysis and Information Retrieval.
Proceedings of the Web-Age Information Management, 11th International Conference, 2010

An Incremental Method for Causal Network Construction.
Proceedings of the Web-Age Information Management, 11th International Conference, 2010

Causal Network Construction to Support Understanding of News.
Proceedings of the 43rd Hawaii International International Conference on Systems Science (HICSS-43 2010), 2010

A Retrieval Method for Earth Science Data Based on Integrated Use of Wikipedia and Domain Ontology.
Proceedings of the Database and Expert Systems Applications, 21th International Conference, 2010

Analysis of Implicit Relations on Wikipedia: Measuring Strength through Mining Elucidatory Objects.
Proceedings of the Database Systems for Advanced Applications, 2010

Mining Useful Time Graph Patterns on Extensively Discussed Topics on the Web - (Position Paper).
Proceedings of the Database Systems for Advanced Applications, 2010

2009
XML Storage.
Proceedings of the Encyclopedia of Database Systems, 2009

The Effectiveness of Latent Semantic Analysis for Building Up a Bottom-up Taxonomy from Folksonomy Tags.
World Wide Web, 2009

XSemantic: An Extension of LCA Based XML Semantic Search.
IEICE Trans. Inf. Syst., 2009

Signaling emotion in tagclouds.
Proceedings of the 18th International Conference on World Wide Web, 2009

Topic and Viewpoint Extraction for Diversity and Bias Analysis of News Contents.
Proceedings of the Advances in Data and Web Management, Joint International Conferences, 2009

Metadata management for integration and analysis of earth observation data.
Proceedings of the 3rd International Conference on Ubiquitous Information Management and Communication, 2009

Scalable Algorithms for Distribution Search.
Proceedings of the ICDM 2009, 2009

Analysis of news agencies' descriptive feature by using SVO structure.
Proceedings of the Fourth IEEE International Conference on Digital Information Management, 2009

Visualized Elucidations of Ranking by Exploiting Object Relations.
Proceedings of the 25th International Conference on Data Engineering, 2009

Security of social information from query analysis in DaaS.
Proceedings of the 2009 EDBT/ICDT Workshops, Saint-Petersburg, Russia, March 22, 2009, 2009

Query Rewriting Rules for Versioned XML Documents.
Proceedings of the Database and Expert Systems Applications, 20th International Conference, 2009

Classifying Web Pages by Using Knowledge Bases for Entity Retrieval.
Proceedings of the Database and Expert Systems Applications, 20th International Conference, 2009

Analysis of News Agencies' Descriptive Features of People and Organizations.
Proceedings of the Database and Expert Systems Applications, 20th International Conference, 2009

2008
Ranking People Based on Metadata Analysis of Search Results.
Proceedings of the Web Information Systems Engineering - WISE 2008 Workshops, 2008

Locally Expandable Allocation of Folksonomy Tags in a Directed Acyclic Graph.
Proceedings of the Web Information Systems Engineering, 2008

Reducing Data Decryption Cost by Broadcast Encryption and Account Assignment for Web Applications.
Proceedings of the Ninth International Conference on Web-Age Information Management, 2008

Acquisition of visited locative nouns from blogs by using surface features of blogs and case frames.
Proceedings of the 2nd International Conference on Ubiquitous Information Management and Communication, 2008

Extending RBAC for Large Enterprises and Its Quantitative Risk Evaluation.
Proceedings of the Towards Sustainable Society on Ubiquitous Networks, 2008

Risk Evaluation for Personal Identity Management Based on Privacy Attribute Ontology.
Proceedings of the Conceptual Modeling, 2008

Person Retrieval on XML Documents by Coreference Analysis Utilizing Structural Features.
Proceedings of the Database and Expert Systems Applications, 19th International Conference, 2008

2007
XML Information Retrieval Considering Physical Page Layout of Logical Elements.
Proceedings of the Tenth International Workshop on the Web and Databases, 2007

A relative cost model for XQuery.
Proceedings of the 2007 ACM Symposium on Applied Computing (SAC), 2007

A Ranking Scheme for XML Information Retrieval Based on Benefit and Reading Effort.
Proceedings of the Asian Digital Libraries. Looking Back 10 Years and Forging New Frontiers, 2007

2006
Full-Text and Structural Indexing of XML Documents on B<sup>+</sup>-Tree.
IEICE Trans. Inf. Syst., 2006

An Efficient Schema-Based Technique for Querying XML Data.
IEICE Trans. Inf. Syst., 2006

Kikori-KS: An Effective and Efficient Keyword Search System for Digital Libraries in XML.
Proceedings of the Digital Libraries: Achievements, 2006

2005
Improvement in TF-IDF scheme for Web pages based on the contents of their hyperlinked neighboring pages.
Syst. Comput. Jpn., 2005

A similarity search algorithm for ellipsoid queries using spatial transformation.
Syst. Comput. Jpn., 2005

A Mapping Scheme of XML Documents into Relational Databases using Schema-based Path Identifiers.
Proceedings of the 2005 International Workshop on Challenges in Web Information Retrieval and Integration (WIRI 2005), 2005

FTW: fast similarity search under the time warping distance.
Proceedings of the Twenty-fourth ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems, 2005

Implementation of a High-Speed and High-Precision XML Information Retrieval System on Relational Databases.
Proceedings of the Advances in XML Information Retrieval and Evaluation, 2005

A Study on Efficient Access Control for XML Ducuments.
Proceedings of the 21st International Conference on Data Engineering Workshops, 2005

Managing XML Documents with Time Certification using Database.
Proceedings of the 21st International Conference on Data Engineering Workshops, 2005

A Relevant Score Normalization Method Using Shannon's Information Measure.
Proceedings of the Digital Libraries: Implementing Strategies and Sharing Experiences, 2005

Full-Text and Structural XML Indexing on B<sup>+</sup>-Tree.
Proceedings of the Database and Expert Systems Applications, 16th International Conference, 2005

A Path-based Relational RDF Database.
Proceedings of the Database Technologies 2005, 2005

2004
XML Content Update Using Relative Region Coordinates.
IEICE Trans. Inf. Syst., 2004

A Structural Numbering Scheme for Processing Queries by Structure and Keyword on XML Data.
IEICE Trans. Inf. Syst., 2004

XML Query Processing Using a Schema-Based Numbering Scheme.
Proceedings of the Database and XML Technologies, 2004

Adaptive web search based on user profile constructed without any effort from users.
Proceedings of the 13th international conference on World Wide Web, 2004

Analyzing the Properties of XML Fragments Decomposed from the INEX Document Collection.
Proceedings of the Advances in XML Information Retrieval, 2004

Temporal Versioning of XML Documents.
Proceedings of the Digital Libraries: International Collaboration and Cross-Fertilization, 2004

Dynamic Range Labeling for XML Trees.
Proceedings of the Current Trends in Database Technology - EDBT 2004 Workshops, 2004

User-Oriented Adaptive Web Information Retrieval Based on Implicit Observations.
Proceedings of the Advanced Web Technologies and Applications, 2004

2003
An indexing technique using relative approximation for high-dimensional data.
Syst. Comput. Jpn., 2003

Enhancing cross-language information retrieval by an automatic acquisition of bilingual terminology from comparable corpora.
Proceedings of the SIGIR 2003: Proceedings of the 26th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, July 28, 2003

An Indexing Scheme for RDF and RDF Schema based on Suffix Arrays.
Proceedings of SWDB'03, 2003

Learning bilingual translations from comparable corpora to cross-language information retrieval: hybrid statistics-based and linguistics-based approach.
Proceedings of the Sixth International Workshop on Information Retrieval with Asian Languages, 2003

Cross-Language Information Retrieval based on category matching between language versions of a web directory.
Proceedings of the Sixth International Workshop on Information Retrieval with Asian Languages, 2003

Keyword-based XML Fragment Retrieval: Experimental Evaluation based on INEX 2003 Relevance Assessments.
Proceedings of the INEX 2003 Workshop Proceedings, 2003

QRS: A Robust Numbering Scheme for XML Documents.
Proceedings of the 19th International Conference on Data Engineering, 2003

Refinement of TF-IDF schemes for web pages using their hyperlinked neighboring pages.
Proceedings of the HYPERTEXT 2003, 2003

Bilingual Terminology Acquisition from Comparable Corpora and Phrasal Translation to Cross-Language Information Retrieval.
Proceedings of the ACL 2003, 2003

2002
Spatial indexing of high-dimensional data based on relative approximation.
VLDB J., 2002

The GeneAround GO viewer.
Bioinform., 2002

Digest Creation of Video Data Recorded by Wearable Cameras Using Locational and Geographical Information.
Proceedings of the Wireless Information Systems, 2002

Extraction and Integration of XML Document Features on Wireless Environment.
Proceedings of the Wireless Information Systems, 2002

GeneAround: A Browsing System for Gene Annotation Using XML Technologies.
Proceedings of the Advances in Web-Age Information Management, 2002

Exploiting Thesauri and Hierarchical Categories in Cross-Language Information Retrieval.
Proceedings of the Text, Speech and Dialogue, 5th International Conference, 2002

Determining the Unit of Retrieval Results for XML Documents.
Proceedings of the First Workshop of the INitiative for the Evaluation of XML Retrieval (INEX), 2002

A Structural Numbering Scheme for XML Data.
Proceedings of the XML-Based Data Management and Multimedia Engineering, 2002

A Combined Statistical Query Term Disambiguation in Cross-Language Information Retrieval.
Proceedings of the 13th International Workshop on Database and Expert Systems Applications (DEXA 2002), 2002

A System for Retrieval and Digest Creation of Video Data Based on Geographic Objects.
Proceedings of the Database and Expert Systems Applications, 13th International Conference, 2002

A Method of Improving Feature Vector for Web Pages Reflecting the Contents of Their Out-Linked Pages.
Proceedings of the Database and Expert Systems Applications, 13th International Conference, 2002

Application of rUID in Processing XML Queries on Structure and Keyword.
Proceedings of the Database and Expert Systems Applications, 13th International Conference, 2002

Information Retrieval System for XML Documents.
Proceedings of the Database and Expert Systems Applications, 13th International Conference, 2002

Cross-Language Information Retrieval Using Multiple Resources and Combinations for Query Expansion.
Proceedings of the Advances in Information Systems, Second International Conference, 2002

2001
XRel: a path-based approach to storage and retrieval of XML documents using relational databases.
ACM Trans. Internet Techn., 2001

Similarity Search for Adaptive Ellipsoid Queries Using Spatial Transformation.
Proceedings of the VLDB 2001, 2001

An XML Indexing Structure with Relative Region Coordinate.
Proceedings of the 17th International Conference on Data Engineering, 2001

Extraction of Partial XML Documents Using IR-Based Structure and Contents Analysis.
Proceedings of the ER 2001 Workshops, 2001

A Unified Retrieval Method of Multimedia Documents.
Proceedings of the Database Systems for Advanced Applications, Proceedings of the 7th International Conference on Database Systems for Advanced Applications (DASFAA 2001), 18-20 April 2001, 2001

Realizing Temporal XML Repositories using Temporal Relational Databases.
Proceedings of the Third International Symposium on Cooperative Database Systems and Applications, 2001

Query Expansion Techniques for the CLEF Bilingual Track.
Proceedings of the Evaluation of Cross-Language Information Retrieval Systems, 2001

2000
A model and queries for databases managing structured documents with object links.
Syst. Comput. Jpn., 2000

The A-tree: An Index Structure for High-Dimensional Spaces Using Relative Approximation.
Proceedings of the VLDB 2000, 2000

Integrating Periodic Data Sequences Based on Freshness and Synchronousness.
Proceedings of the Tenth International Workshop on Research Issues on Data Engineering: Middleware for Mobile Business Applications and E-Commerce, 2000

Identifying Result Subdocuments of XML Search Conditions.
Proceedings of the 2000 Kyoto International Conference on Digital Libraries: Research and Practice, 2000

Query term disambiguation for Web cross-language information retrieval using a search engine.
Proceedings of the Fifth International Workshop on Information Retrieval with Asian Languages, 2000, Hong Kong, China, September 30, 2000

A Data Model for Temporal XML Documents.
Proceedings of the Database and Expert Systems Applications, 11th International Conference, 2000

The Subspace Coding Method: A New Indexing Scheme for High-Dimensional Data.
Proceedings of the 2000 ACM CIKM International Conference on Information and Knowledge Management, 2000

Keyword Assignment to Images Using Sliding Windows.
Proceedings of Chalenges, 2000

1999
Retrieving Distant Objects Using Tree Indices - An Approach to Exploratory Databases.
Proceedings of the 10th International Workshop on Database & Expert Systems Applications, 1999

Storage and Retrieval of XML Documents Using Object-Relational Databases.
Proceedings of the Database and Expert Systems Applications, 10th International Conference, 1999

Heijo - A Video Database System for Retrieving Semantically Coherent Video Information.
Proceedings of the 1999 International Symposium on Database Applications in Non-Traditional Environments (DANTE '99), 1999

On Synchronous Properties of Periodically Generated Data Sequences.
Proceedings of the 1999 International Symposium on Database Applications in Non-Traditional Environments (DANTE '99), 1999

A Query Optimization for XML Document Views Constructed by Aggregations.
Proceedings of the 1999 International Symposium on Database Applications in Non-Traditional Environments (DANTE '99), 1999

Document Retrieval Based on Subtopic Combination.
Proceedings of the Proceedings of the Second International Symposium on Cooperative Database Systems for Advanced Applications, 1999

1998
High-Dimensional Nearest Neighbor Search Based on Virtual Bounding Rectangles.
Proceedings of the 5th International Conference of Foundations of Data Organization (FODO'98), 1998

Constructing Structured Document Views.
Proceedings of the Advances in Database Technologies, 1998

An Efficiently Updatable Index Scheme for Structured Documents.
Proceedings of the Ninth International Workshop on Database and Expert Systems Applications, 1998

1996
Amalgamating SGML Documents and Databases.
Proceedings of the Advances in Database Technology, 1996

1995
ASKA: An Object-Oriented Data Model with Multiple Hierarchies and Multiple Object-Perspectives.
Proceedings of the 6th Int. Conf. and Workshop on Database and Expert Systems Applications, 1995

1992
Circulation and Reuse of Database Constructs through Common Dictionaries.
Proceedings of the Second Far-East Workshop on Future Database Systems 1992, 1992

Object Identity and Query Equivalence.
Proceedings of the Theoretical Studies in Computer Science, 1992

1991
On Data Restructuring and Merging with Object Identity.
IEEE Data Eng. Bull., 1991

On the Equivalence of Database Restructurings Involving Object Identifiers.
Proceedings of the Tenth ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems, 1991

1990
ILOG: Declarative Creation and Manipulation of Object Identifiers.
Proceedings of the 16th International Conference on Very Large Data Bases, 1990

1989
Behavior Analysis of Object-Oriented Databases: Method Structure, Execution Trees, and Reachability (Extended Abstract).
Proceedings of the Foundations of Data Organization and Algorithms, 1989

1988
Towards Abstracting Complex Database Objects: Generalization, Reduction and Unification of Set-type Objects (Extended Abstract).
Proceedings of the ICDT'88, 2nd International Conference on Database Theory, Bruges, Belgium, August 31, 1988

Schema Virtualization in Object-Oriented Databases.
Proceedings of the Fourth International Conference on Data Engineering, 1988

1984
Processing Inequality Queries Based on Generalized Semi-Joins.
Proceedings of the Tenth International Conference on Very Large Data Bases, 1984

1983
Query Processing Utilizing Dependencies and Horizontal Decomposition.
Proceedings of the SIGMOD'83, 1983

1982
Query Processing for Distributed Databases Using Generalized Semi-Joins.
Proceedings of the 1982 ACM SIGMOD International Conference on Management of Data, 1982


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