Interval-Based Representation of Spatio-Temporal Concepts. - Toshimi Tagashira; Toshiyuki Amagasa; Masayoshi Aritsugi; Yoshinari Kanamori (CAiSE, 1997)

An Approach to Spatio-Temporal Queries - Interval-Based Contents Representation of Images. - Masayoshi Aritsugi; Toshimo Tagashira; Toshiyuki Amagasa; Yoshinari Kanamori (DEXA, 1997)

Implementing Time-Interval Class for Managing Temporal Data. - Toshiyuki Amagasa; Masayoshi Aritsugi; Yoshinari Kanamori (DEXA Workshop, 1998)

Implementing Class Library and Index for Managing Spatio-Temporal Data. - Toshiyuki Amagasa; Masayoshi Aritsugi; Takayuki Tanaka; Yoshinari Kanamori (ER Workshops, 1998)

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

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

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

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

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 Data Model for Reconstructable Kanji Documents using XML. - Masatoshi Ishikawa; Toshiyuki Amagasa; Kenji Hatano; Shunsuke Uemura; Tetsuya Katsumura (ISDB, 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)

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

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

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)

An Access Control Model for Geographic Data in an XML -based Framework. - Bat-Odon Purevjii; Toshiyuki Amagasa; Sayaka Imai; Yoshinari Kanamori (WOSIS, 2004)

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

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)

Processing XPath Queries in PC-Clusters Using XML Data Partitioning. - Kentarou Kido; Toshiyuki Amagasa; Hiroyuki Kitagawa (ICDE Workshops, 2006)

Location-Based Information Delivery Using Stream Processing Engine. - Shinichi Yamada; Yousuke Watanabe; Hiroyuki Kitagawa; Toshiyuki Amagasa (MDM, 2006)

Proximity Search of XML Data Using Ontology and XPath Edit Similarity. - Toshiyuki Amagasa; Lianzi Wen; Hiroyuki Kitagawa (DEXA, 2007)

Integrating a Stream Processing Engine and Databases for Persistent Streaming Data Management. - Yousuke Watanabe; Shinichi Yamada; Hiroyuki Kitagawa; Toshiyuki Amagasa (DEXA, 2007)

Querying XML Data using PC Cluster System. - Toshiyuki Amagasa; Kentarou Kido; Hiroyuki Kitagawa (DEXA Workshops, 2007)

Constructing a Web Service System for Large-Scale Meteorological Grid Data. - Toshiyuki Amagasa; Hiroyuki Kitagawa; Tatsuya Komano (eScience, 2007)

Retrieving Arbitrary XML Fragments from Structured Peer-to-Peer Networks. - Toshiyuki Amagasa; Chunhui Wu; Hiroyuki Kitagawa (APWeb/WAIM, 2007)

An Approach for XML Similarity Join Using Tree Serialization. - Lianzi Wen; Toshiyuki Amagasa; Hiroyuki Kitagawa (DASFAA, 2008)

Searching XML Documents by Keywords in Structured P2P Networks. - Xiaochen Li; Toshiyuki Amagasa; Hiroyuki Kitagawa (DEXA Workshops, 2008)

Algorithms for efficient structure-based grouping in XML-OLAP. - Chantola Kit; Toshiyuki Amagasa; Hiroyuki Kitagawa (iiWAS, 2008)

GMX: an XML data partitioning scheme for holistic twig joins. - Imam Machdi; Toshiyuki Amagasa; Hiroyuki Kitagawa (iiWAS, 2008)

A FUSE-Based Tool for Accessing Meteorological Data in Remote Servers. - Keiichirou Ui; Toshiyuki Amagasa; Hiroyuki Kitagawa (SSDBM, 2008)

Cube-Based Analysis for Maintaining XML Data Partition for Holistic Twig Joins. - Imam Machdi; Toshiyuki Amagasa; Hiroyuki Kitagawa (Inf. Media Technol., 2008)

Encryption over Semi-trusted Database. - Hasan Kadhem; Toshiyuki Amagasa; Hiroyuki Kitagawa (DASFAA Workshops, 2009)

A Novel Framework for Database Security Based on Mixed Cryptography. - Hasan Kadhem; Toshiyuki Amagasa; Hiroyuki Kitagawa (ICIW, 2009)

XML data partitioning strategies to improve parallelism in parallel holistic twig joins. - Imam Machdi; Toshiyuki Amagasa; Hiroyuki Kitagawa (ICUIMC, 2009)

Executing parallel TwigStack algorithm on a multi-core system. - Imam Machdi; Toshiyuki Amagasa; Hiroyuki Kitagawa (iiWAS, 2009)

Algorithms for structure-based grouping in XML-OLAP. - Chantola Kit; Toshiyuki Amagasa; Hiroyuki Kitagawa (Int. J. Web Inf. Syst., 2009)

XML data partitioning schemes for parallel holistic twig joins. - Imam Machdi; Toshiyuki Amagasa; Hiroyuki Kitagawa (Int. J. Web Inf. Syst., 2009)

A Faceted-Navigation System for QCDml Ensemble XML Data. - Toshiyuki Amagasa; Noriyoshi Ishii; Tomoteru Yoshie; Osamu Tatebe; Mitsuhisa Sato; Hiroyuki Kitagawa (3PGCIC, 2010)

Providing Constructed Buildings Information by ASTER Satellite DEM Images and Web Contents. - Takashi Takagi; Hideyuki Kawashima; Toshiyuki Amagasa; Hiroyuki Kitagawa (DASFAA Workshops, 2010)

A Secure and Efficient Order Preserving Encryption Scheme for Relational Databases. - Hasan Kadhem; Toshiyuki Amagasa; Hiroyuki Kitagawa (KMIS, 2010)

Optimization Techniques for Range Queries in the Multivalued-partial Order Preserving Encryption Scheme. - Hasan Kadhem; Toshiyuki Amagasa; Hiroyuki Kitagawa (IC3K, 2010)

Extracting XML data from the web. - Ngo Sy Viet Phu; Toshiyuki Amagasa; Hiroyuki Kitagawa (iiWAS, 2010)

TURank: Twitter User Ranking Based on User-Tweet Graph Analysis. - Yuto Yamaguchi; Tsubasa Takahashi 001; Toshiyuki Amagasa; Hiroyuki Kitagawa (WISE, 2010)

Fast Detection of Functional Dependencies in XML Data. - Hang Shi; Toshiyuki Amagasa; Hiroyuki Kitagawa (XSym, 2010)

MV-OPES: Multivalued-Order Preserving Encryption Scheme: A Novel Scheme for Encrypting Integer Value to Many Different Values. - Hasan Kadhem; Toshiyuki Amagasa; Hiroyuki Kitagawa (IEICE Trans. Inf. Syst., 2010)

Parallel holistic twig joins on a multi-core system. - Imam Machdi; Toshiyuki Amagasa; Hiroyuki Kitagawa (Int. J. Web Inf. Syst., 2010)

Stream-Based Real World Information Integration Framework. - Hiroyuki Kitagawa; Yousuke Watanabe; Hideyuki Kawashima; Toshiyuki Amagasa (Wireless Sensor Network Technologies for the Information Explosion Era, 2010)

Tag-based User Topic Discovery Using Twitter Lists. - Yuto Yamaguchi; Toshiyuki Amagasa; Hiroyuki Kitagawa (ASONAM, 2011)

PrIvacy Risks And Countermeasures In Publishing And Mining Social Network Data. - Chiemi Watanabe; Toshiyuki Amagasa; Ling Liu 001 (CollaborateCom, 2011)

A framework of faceted navigation for XML data. - Takahiro Komamizu; Toshiyuki Amagasa; Hiroyuki Kitagawa (iiWAS, 2011)

FACTUS: Faceted Twitter User Search Using Twitter Lists. - Takahiro Komamizu; Yuto Yamaguchi; Toshiyuki Amagasa; Hiroyuki Kitagawa (WISE, 2011)

Efficient Probabilistic Latent Semantic Indexing using Graphics Processing Unit. - Eli Koffi Kouassi; Toshiyuki Amagasa; Hiroyuki Kitagawa (ICCS, 2011)

Detecting Social Bookmark Spams Using Multiple User Accounts. - Yuta Sakakura; Toshiyuki Amagasa; Hiroyuki Kitagawa (ASONAM, 2012)

GPU acceleration of probabilistic frequent itemset mining from uncertain databases. - Yusuke Kozawa; Toshiyuki Amagasa; Hiroyuki Kitagawa (CIKM, 2012)

A Scheme of Fragment-Based Faceted Image Search. - Takahiro Komamizu; Mariko Kamie; Kazuhiro Fukui; Toshiyuki Amagasa; Hiroyuki Kitagawa (DEXA (2), 2012)

C-Mapping: a flexible XML-RDB mapping method based on functional and inclusion dependencies. - Sosuke Ota; Atsuyuki Morishima; Norihide Shinagawa; Toshiyuki Amagasa (SAC, 2012)

Tagging users based on Twitter lists. - Yuto Yamaguchi; Toshiyuki Amagasa; Hiroyuki Kitagawa (Int. J. Web Eng. Technol., 2012)

Faceted Navigation Framework for XML Data. - Takahiro Komamizu; Toshiyuki Amagasa; Hiroyuki Kitagawa (Int. J. Web Inf. Syst., 2012)

RDF packages: a scheme for efficient reasoning and querying over large-scale RDF data. - Shohei Ohsawa; Toshiyuki Amagasa; Hiroyuki Kitagawa (Int. J. Web Inf. Syst., 2012)

DBPowder: A Flexible Object-Relational Mapping Framework Based on a Conceptual Model. - Tadashi Murakami; Toshiyuki Amagasa; Hiroyuki Kitagawa (COMPSAC, 2013)

Landmark-based user location inference in social media. - Yuto Yamaguchi; Toshiyuki Amagasa; Hiroyuki Kitagawa (COSN, 2013)

Parallel and Distributed Mining of Probabilistic Frequent Itemsets Using Multiple GPUs. - Yusuke Kozawa; Toshiyuki Amagasa; Hiroyuki Kitagawa (DEXA (1), 2013)

Energy-Efficient XML Stream Processing through Element-Skipping Parsing. - Toshiyuki Amagasa; Mana Seino; Hiroyuki Kitagawa (DEXA Workshops, 2013)

Recommending Fresh URLs Using Twitter Lists. - Yuto Yamaguchi; Toshiyuki Amagasa; Hiroyuki Kitagawa (ICWSM, 2013)

A System for Social Reading based on EPUB3. - Eri Kataoka; Toshiyuki Amagasa; Hiroyuki Kitagawa (iiWAS, 2013)

A Local Method for ObjectRank Estimation. - Yuta Sakakura; Yuto Yamaguchi; Toshiyuki Amagasa; Hiroyuki Kitagawa (iiWAS, 2013)

Querying MongoDB with LINQ in a Server-Side JavaScript Environment. - Kousuke Nakabasami; Toshiyuki Amagasa; Hiroyuki Kitagawa (NBiS, 2013)

An ETL Framework for Online Analytical Processing of Linked Open Data. - Hiroyuki Inoue; Toshiyuki Amagasa; Hiroyuki Kitagawa (WAIM, 2013)

Label-bag based Graph Anonymization via Edge Addition. - Chongjie Li; Toshiyuki Amagasa; Hiroyuki Kitagawa; Gautam Srivastava 001 (C3S2E, 2014)

Online User Location Inference Exploiting Spatiotemporal Correlations in Social Streams. - Yuto Yamaguchi; Toshiyuki Amagasa; Hiroyuki Kitagawa; Yohei Ikawa (CIKM, 2014)

An Improved Method for Efficient PageRank Estimation. - Yuta Sakakura; Yuto Yamaguchi; Toshiyuki Amagasa; Hiroyuki Kitagawa (DEXA (2), 2014)

A scheme for privacy-preserving ontology mapping. - Toshiyuki Amagasa; Fan Zhang; Jun Sakuma; Hiroyuki Kitagawa (IDEAS, 2014)

A scheme of automated object and facet extraction for faceted search over XML data. - Takahiro Komamizu; Toshiyuki Amagasa; Hiroyuki Kitagawa (IDEAS, 2014)

Filtering XML Streams by XPath and Keywords. - Savong Bou; Toshiyuki Amagasa; Hiroyuki Kitagawa (iiWAS, 2014)

Extracting Facets from Textual Contents for Faceted Search over XML Data. - Takahiro Komamizu; Toshiyuki Amagasa; Hiroyuki Kitagawa (iiWAS, 2014)

GPU Acceleration of Similarity Search for Uncertain Time Series. - Jun Hwang; Yusuke Kozawa; Toshiyuki Amagasa; Hiroyuki Kitagawa (NBiS, 2014)

Frequent-Pattern Based Facet Extraction from Graph Data. - Takahiro Komamizu; Toshiyuki Amagasa; Hiroyuki Kitagawa (NBiS, 2014)

Keyword Search with Path-Based Filtering over XML Streams. - Savong Bou; Toshiyuki Amagasa; Hiroyuki Kitagawa (SRDS, 2014)

Probabilistic Frequent Itemset Mining on a GPU Cluster. - Yusuke Kozawa; Toshiyuki Amagasa; Hiroyuki Kitagawa (IEICE Trans. Inf. Syst., 2014)

An architecture for stream OLAP exploiting SPE and OLAP engine. - Kousuke Nakabasami; Toshiyuki Amagasa; Salman Ahmed Shaikh; Franck Gass; Hiroyuki Kitagawa (IEEE BigData, 2015)

GPU Acceleration of Set Similarity Joins. - Mateus S. H. Cruz; Yusuke Kozawa; Toshiyuki Amagasa; Hiroyuki Kitagawa (DEXA (1), 2015)

Parallel Canopy Clustering on GPUs. - Yusuke Kozawa; Fumitaka Hayashi; Toshiyuki Amagasa; Hiroyuki Kitagawa (DEXA (1), 2015)

A social reading system for EPUB publications. - Eri Kataoka; Toshiyuki Amagasa; Hiroyuki Kitagawa (iiWAS, 2015)

SPOOL: a SPARQL-based ETL framework for OLAP over linked data. - Takahiro Komamizu; Toshiyuki Amagasa; Hiroyuki Kitagawa (iiWAS, 2015)

A System for Querying RDF Data Using LINQ. - Kazumasa Kumamoto; Toshiyuki Amagasa; Hiroyuki Kitagawa (NBiS, 2015)

Tweet Location Inference Based on Contents and Temporal Association. - Saki Ueda; Yuto Yamaguchi; Hiroyuki Kitagawa; Toshiyuki Amagasa (WISE (2), 2015)

Path-based keyword search over XML streams. - Savong Bou; Toshiyuki Amagasa; Hiroyuki Kitagawa (Int. J. Web Inf. Syst., 2015)

Facet-value extraction scheme from textual contents in XML data. - Takahiro Komamizu; Toshiyuki Amagasa; Hiroyuki Kitagawa (Int. J. Web Inf. Syst., 2015)

A System for Phylogenetic Analyses over Alignments of Next Generation Sequence Data. - Yuki Nishimura; Toshiyuki Amagasa; Yuji Inagaki; Tetsuo Hashimoto; Hiroyuki Kitagawa (CISIS, 2016)

An Improved Method of Keyword Search over Relational Data Streams by Aggressive Candidate Network Consolidation. - Savong Bou; Toshiyuki Amagasa; Hiroyuki Kitagawa (DEXA (1), 2016)

Detecting Topic Evolutions in Bibliographic Databases Exploiting Citations. - Hiroyoshi Ito; Toshiyuki Amagasa; Hiroyuki Kitagawa (EJC, 2016)

Towards Real-Time Analysis of Smart City Data: A Case Study on City Facility Utilizations. - Takahiro Komamizu; Toshiyuki Amagasa; Salman Ahmed Shaikh; Hiroaki Shiokawa; Hiroyuki Kitagawa (HPCC/SmartCity/DSS, 2016)

Interleaving Clustering of Classes and Properties for Disambiguating Linked Data. - Takahiro Komamizu; Toshiyuki Amagasa; Hiroyuki Kitagawa (ICADL, 2016)

Visual Spatial-OLAP for Vehicle Recorder Data on Micro-sized Electric Vehicles. - Takahiro Komamizu; Toshiyuki Amagasa; Hiroyuki Kitagawa (IDEAS, 2016)

Local Attention Analysis and Prediction of Online News Articles in Twitter. - Saki Nagaki; Yuto Yamaguchi; Toshiyuki Amagasa; Hiroyuki Kitagawa (MobiQuitous (Adjunct Proceedings), 2016)

GPU Acceleration of Content-Based Image Retrieval Based on SIFT Descriptors. - Yuta Kusamura; Yusuke Kozawa; Toshiyuki Amagasa; Hiroyuki Kitagawa (NBiS, 2016)

Foreword. - Toshiyuki Amagasa (IEICE Trans. Inf. Syst., 2016)

A Scheme for Fast k-Concealment Anonymization. - Ryosuke Koyanagi; Ryo Furukawa 003; Tsubasa Takahashi 001; Takuya Mori; Toshiyuki Amagasa; Hiroyuki Kitagawa (IEICE Trans. Inf. Syst., 2016)

H-SPOOL: A SPARQL-based ETL framework for OLAP over linked data with dimension hierarchy extraction. - Takahiro Komamizu; Toshiyuki Amagasa; Hiroyuki Kitagawa (Int. J. Web Inf. Syst., 2016)

Accelerating Set Similarity Joins Using GPUs. - Mateus S. H. Cruz; Yusuke Kozawa; Toshiyuki Amagasa; Hiroyuki Kitagawa (Trans. Large Scale Data Knowl. Centered Syst., 2016)

FORK: Feedback-Aware ObjectRank-Based Keyword Search over Linked Data. - Takahiro Komamizu; Sayami Okumura; Toshiyuki Amagasa; Hiroyuki Kitagawa (AIRS, 2017)

Implicit order join: Joining log data with property data by discovering implicit order-oriented keys with human assistance. - Takahiro Komamizu; Toshiyuki Amagasa; Hiroyuki Kitagawa (IEEE BigData, 2017)

Analytical toolbox for smart city applications: Garbage collection log use case. - Takahiro Komamizu; Jin Nakazawa; Toshiyuki Amagasa; Hiroyuki Kitagawa; Hideyuki Tokuda (IEEE BigData, 2017)

GPU-Accelerated Graph Clustering via Parallel Label Propagation. - Yusuke Kozawa; Toshiyuki Amagasa; Hiroyuki Kitagawa (CIKM, 2017)

Towards Privacy-Preserving Record Linkage with Record-Wise Linkage Policy. - Takahito Kaiho; Wenjie Lu; Toshiyuki Amagasa; Jun Sakuma (DEXA (1), 2017)

DIO: Efficient interactive outlier analysis over dynamic datasets. - Chihiro Sakazume; Hiroyuki Kitagawa; Toshiyuki Amagasa (ICDIM, 2017)

An index-based secure query processing scheme for outsourced databases. - Kento Akiyama; Chisato Shinozuka; Chiemi Watanabe; Toshiyuki Amagasa; Hiroyuki Kitagawa (iiWAS, 2017)

Secure similarity joins using fully homomorphic encryption. - Mateus S. H. Cruz; Toshiyuki Amagasa; Chiemi Watanabe; Wenjie Lu; Hiroyuki Kitagawa (iiWAS, 2017)

CROISSANT: centralized relational interface for web-scale SPARQL endpoints. - Takahiro Komamizu; Toshiyuki Amagasa; Hiroyuki Kitagawa (iiWAS, 2017)

SOLA: Stream OLAP-based Analytical Framework for Roadway Maintenance. - Takahiro Komamizu; Toshiyuki Amagasa; Salman Ahmed Shaikh; Hiroaki Shiokawa; Hiroyuki Kitagawa (MEDES, 2017)

Efficient Content-based Image Retrieval for Position Estimation on GPU. - Yuta Kusamura; Toshiyuki Amagasa; Hiroyuki Kitagawa; Yusuke Kozawa (MoMM, 2017)

Exploring Identical Users on GitHub and Stack Overflow. - Takahiro Komamizu; Yasuhiro Hayase; Toshiyuki Amagasa; Hiroyuki Kitagawa (SEKE, 2017)

A Development of Participatory Sensing System for Foreign Visitors in PBL. - Shuta Nakamae; Wataru Sakamoto; Tetsuya Negishi; Shuhei Goto; Buntarou Shizuki; Chiemi Watanabe; Toshiyuki Amagasa (ACIIDS (2), 2018)

A Cache-based Approach to Dynamic Switching between Different Dataflows in Crowdsourcing. - Yusuke Suzuki; Masaki Matsubara; Keishi Tajima; Toshiyuki Amagasa; Atsuyuki Morishima (IEEE BigData, 2018)

Efficient Pipeline Processing of Crowdsourcing Workflows. - Ken Mizusawa; Keishi Tajima; Masaki Matsubara; Toshiyuki Amagasa; Atsuyuki Morishima (CIKM, 2018)

Approximate Set Similarity Join Using Many-Core Processors. - Kenta Sugano; Toshiyuki Amagasa; Hiroyuki Kitagawa (DEXA (2), 2018)

Community Detection and Correlated Attribute Cluster Analysis on Multi-Attributed Graphs. - Hiroyoshi Ito; Takahiro Komamizu; Toshiyuki Amagasa; Hiroyuki Kitagawa (EDBT/ICDT Workshops, 2018)

Network-Word Embedding for Dynamic Text Attributed Networks. - Hiroyoshi Ito; Takahiro Komamizu; Toshiyuki Amagasa; Hiroyuki Kitagawa (ICSC, 2018)

Efficient Position Estimation Basedon GPU-Accelerated Content-basedImage Retrieval. - Yuta Kusamura; Toshiyuki Amagasa; Hiroyuki Kitagawa; Yusuke Kozawa (J. Mobile Multimedia, 2018)

Accelerating Regular Path Queries using FPGA. - Kento Miura; Toshiyuki Amagasa; Hiroyuki Kitagawa (ADMS@VLDB, 2019)

An Optimization Scheme for Non-Negative Matrix Factorization Under Probability Constraints. - Hiroyoshi Ito; Toshiyuki Amagasa (BigComp, 2019)

Incentive Design for Crowdsourced Development of Selective AI for Human and Machine Data Processing: A Case Study. - Masafumi Hayashi; Masaki Kobayashi; Masaki Matsubara; Toshiyuki Amagasa; Atsuyuki Morishima (IEEE BigData, 2019)

A Modular Approach for Efficient Simple Question Answering Over Knowledge Base. - Happy Buzaaba; Toshiyuki Amagasa (DEXA (2), 2019)

AI-powered Posture Training: Application of Machine Learning in Sitting Posture Recognition Using the LifeChair Smart Cushion. - Katia Bourahmoune; Toshiyuki Amagasa (IJCAI, 2019)

Scaling Fine-grained Modularity Clustering for Massive Graphs. - Hiroaki Shiokawa; Toshiyuki Amagasa; Hiroyuki Kitagawa (IJCAI, 2019)

Detecting Communities and Correlated Attribute Clusters on Multi-Attributed Graphs. - Hiroyoshi Ito; Takahiro Komamizu; Toshiyuki Amagasa; Hiroyuki Kitagawa (IEICE Trans. Inf. Syst., 2019)

Scalable keyword search over relational data streams by aggressive candidate network consolidation. - Savong Bou; Toshiyuki Amagasa; Hiroyuki Kitagawa (Inf. Syst., 2019)

Accelerating All 5-Vertex Subgraphs Counting Using GPUs. - Shuya Suganami; Toshiyuki Amagasa; Hiroyuki Kitagawa (DEXA (1), 2020)

Supporting viewpoints to review the lack of requirements in space systems with machine learning. - Kenji Mori; Naoko Okubo; Yasushi Ueda; Masafumi Katahira; Toshiyuki Amagasa (SEAMS@ICSE, 2020)

Relation-oriented faceted search method for knowledge bases. - Taro Aso; Toshiyuki Amagasa; Hiroyuki Kitagawa (iiWAS, 2020)

Toward Latent Knowledge Extraction Based on the Correlation of Heterogeneous Text Data Related to Space System Development. - Kenji Mori; Naoko Okubo; Yasushi Ueda; Masafumi Katahira; Toshiyuki Amagasa (REFSQ Workshops, 2020)

A Hybrid Index for Distance Queries. - Junhu Wang; Shikha Anirban; Toshiyuki Amagasa; Hiroaki Shiokawa; Zhiguo Gong; Md. Saiful Islam 003 (WISE (1), 2020)

L-BiX: incremental sliding-window aggregation over data streams using linear bidirectional aggregating indexes. - Savong Bou; Hiroyuki Kitagawa; Toshiyuki Amagasa (Knowl. Inf. Syst., 2020)

GPU-Accelerated Vertex Orbit Counting for 5-Vertex Subgraphs. - Shuya Suganami; Toshiyuki Amagasa (DEXA (1), 2021)

Augmented Lineage: Traceability of Data Analysis Including Complex UDFs. - Masaya Yamada; Hiroyuki Kitagawa; Toshiyuki Amagasa; Akiyoshi Matono (DEXA (1), 2021)

Online Optimized Product Quantization for Dynamic Database Using SVD-Updating. - Kota Yukawa; Toshiyuki Amagasa (DEXA (1), 2021)

A Sorting Library for FPGA Implementation in OpenCL Programming. - Ryohei Kobayashi 001; Kento Miura; Norihisa Fujita; Taisuke Boku; Toshiyuki Amagasa (HEART, 2021)

A Method for Searching Documents using Knowledge Bases. - Taro Aso; Toshiyuki Amagasa; Hiroyuki Kitagawa (iiWAS, 2021)

A Scheme for Efficient Question Answering with Low Dimension Reconstructed Embeddings. - Happy Buzaaba; Toshiyuki Amagasa (iiWAS, 2021)

A Dynamic Load-balancing Method for Distributed RDF Stream Processing Systems. - Toshiyuki Hirakata; Toshiyuki Amagasa (iiWAS, 2021)

Query Processing over Multiple Knowledge Bases and Text Documents. - Marika Nakano; Toshiyuki Amagasa (iiWAS, 2021)

Dense Nearest Neighborhood Query. - Hina Suzuki; Hanxiong Chen; Kazutaka Furuse; Toshiyuki Amagasa (INTAP, 2021)

Supporting Insertion in Encrypted Multi-Maps with Volume Hiding. - Shunta Ishihara; Chiemi Watanabe; Toshiyuki Amagasa (SMARTCOMP, 2021)

Recommending Extract Method Refactoring Based on Confidence of Predicted Method Name. - Jinto Yamanaka; Yasuhiro Hayase; Toshiyuki Amagasa (CoRR, 2021)

A system for relation-oriented faceted search over knowledge bases. - Taro Aso; Toshiyuki Amagasa; Hiroyuki Kitagawa (Int. J. Web Inf. Syst., 2021)

Question Answering Over Knowledge Base: A Scheme for Integrating Subject and the Identified Relation to Answer Simple Questions. - Happy Buzaaba; Toshiyuki Amagasa (SN Comput. Sci., 2021)

Owro: A Novel Robot For Sitting Posture Training Based On Adaptive Human Robot Interaction. - Katia Bourahmoune; Karlos Ishac; Marc Carmichael; Toshiyuki Amagasa (IEEE Big Data, 2022)

An FPGA-based Accelerator for Regular Path Queries over Edge-labeled Graphs. - Kento Miura; Ryohei Kobayashi 001; Toshiyuki Amagasa; Hiroyuki Kitagawa; Norihisa Fujita; Taisuke Boku (IEEE Big Data, 2022)

Region-based Sub-Snapshot (RegSnap): Enhanced Fault Tolerance in Distributed Stream Processing with Partial Snapshot. - Takdir; Hiroyuki Kitagawa; Toshiyuki Amagasa (IEEE Big Data, 2022)

InTrans: Fast Incremental Transformer for Time Series Data Prediction. - Savong Bou; Toshiyuki Amagasa; Hiroyuki Kitagawa (DEXA (2), 2022)

BLOCK-OPTICS: An Efficient Density-Based Clustering Based on OPTICS. - Kota Yukawa; Toshiyuki Amagasa (DEXA (2), 2022)

Supporting Insertion in an Encrypted Multi-Maps with Volume Hiding using Trusted Execution Environment. - Shunta Ishihara; Chiemi Watanabe; Toshiyuki Amagasa (DOLAP, 2022)

PR-MVI: Efficient Missing Value Imputation over Data Streams by Distance Likelihood. - Savong Bou; Toshiyuki Amagasa; Hiroyuki Kitagawa; Salman Ahmed Shaikh; Akiyoshi Matono (iiWAS, 2022)

Streaming Augmented Lineage: Traceability of Complex Stream Data Analysis. - Masaya Yamada; Hiroyuki Kitagawa; Salman Ahmed Shaikh; Toshiyuki Amagasa; Akiyoshi Matono (iiWAS, 2022)

A Scheme for News Article Classification in a Low-Resource Language. - Hailemariam Mehari Yohannes; Toshiyuki Amagasa (iiWAS, 2022)

GPU-Accelerated Reverse K-Nearest Neighbor Search for High-Dimensional Data. - Kyohei Tsuihiji; Toshiyuki Amagasa (NBiS, 2022)

A graph-based blocking approach for entity matching using pre-trained contextual embedding models. - John Bosco Mugeni; Toshiyuki Amagasa (SAC, 2022)

Named-entity recognition for a low-resource language using pre-trained language model. - Hailemariam Mehari Yohannes; Toshiyuki Amagasa (SAC, 2022)

Missing information in imbalanced data stream: fuzzy adaptive imputation approach. - Bohnishikha Halder; Md. Manjur Ahmed; Toshiyuki Amagasa; Nor Ashidi Mat Isa; Rahat Hossain Faisal; Md. Mostafijur Rahman (Appl. Intell., 2022)

An Open-source FPGA Library for Data Sorting. - Ryohei Kobayashi 001; Kento Miura; Norihisa Fujita; Taisuke Boku; Toshiyuki Amagasa (J. Inf. Process., 2022)

Intelligent Posture Training: Machine-Learning-Powered Human Sitting Posture Recognition Based on a Pressure-Sensing IoT Cushion. - Katia Bourahmoune; Karlos Ishac; Toshiyuki Amagasa (Sensors, 2022)

CPiX: Real-Time Analytics Over Out-of-Order Data Streams by Incremental Sliding-Window Aggregation. - Savong Bou; Hiroyuki Kitagawa; Toshiyuki Amagasa (IEEE Trans. Knowl. Data Eng., 2022)

Online Optimized Product Quantization for ANN Queries over Dynamic Database using SVD-Updating. - Kota Yukawa; Toshiyuki Amagasa (Trans. Large Scale Data Knowl. Centered Syst., 2022)

Efficient Missing Value Imputation by Maximum Distance Likelihood. - Savong Bou; Toshiyuki Amagasa; Hiroyuki Kitagawa; Salman Ahmed Shaikh; Akiyoshi Matono (IEEE Big Data, 2023)

CSER: Enhancing Cybersecurity Entity Recognition Through Multidimensional Feature Fusion. - Md Abu Marjan; Toshiyuki Amagasa (IEEE Big Data, 2023)

Supporting Practical URI Mappings in Virtual Knowledge Graph-based Relational Data Integration. - Shogo Sato; Tadashi Masuda; Toshiyuki Amagasa (IEEE Big Data, 2023)

Long Text Classification Using Pre-trained Language Model for a Low-Resource Language. - Mehari Yohannes Hailemariam; Toshiyuki Amagasa (ICICT, 2023)

Self-Attention-based Data Augmentation Method for Text Classification. - Mehari Yohannes Hailemariam; Steven J. Lynden; Akiyoshi Matono; Toshiyuki Amagasa (ICMLC, 2023)

AdapterEM: Pre-trained Language Model Adaptation for Generalized Entity Matching using Adapter-tuning. - John Bosco Mugeni; Steven J. Lynden; Toshiyuki Amagasa; Akiyoshi Matono (IDEAS, 2023)

Integration of Knowledge Bases and External Information Sources via Magic Properties and Query-Driven Entity Linking. - Yuuki Ohmroi; Hiroyuki Kitagawa; Toshiyuki Amagasa; Akiyoshi Matono (iiWAS, 2023)

TraPM: A Framework for Online Pattern Matching Over Trajectory Streams. - Rina Trisminingsih; Salman Ahmed Shaikh; Toshiyuki Amagasa; Hiroyuki Kitagawa; Akiyoshi Matono (iiWAS, 2023)

RDF Data Partitioning for Efficient SPARQL Query Processing with Spark SQL. - Kosuke Yamasaki; Toshiyuki Amagasa (iiWAS, 2023)

Dynamic Load Balancing of RDF Reasoning in Fog-Computing Environments. - Yuma Kokubo; Toshiyuki Amagasa (SAC, 2023)

Semi-automatic staging area for high-quality structured data extraction from scientific literature. - Luca Foppiano; Tomoya Mato; Kensei Terashima; Pedro Ortiz Suarez; Taku Tou; Chikako Sakai; Wei-Sheng Wang; Toshiyuki Amagasa; Yoshihiko Takano; Masashi Ishii (CoRR, 2023)

Buffer-based adaptive fuzzy classifier. - Sajal Debnath; Md. Manjur Ahmed; Samir Brahim Belhaouari; Toshiyuki Amagasa; Mostafijur Rahman (Appl. Intell., 2023)

BPF: a novel cluster boundary points detection method for static and streaming data. - Vijdan Khalique; Hiroyuki Kitagawa; Toshiyuki Amagasa (Knowl. Inf. Syst., 2023)

Augmented lineage: traceability of data analysis including complex UDF processing. - Masaya Yamada; Hiroyuki Kitagawa; Toshiyuki Amagasa; Akiyoshi Matono (VLDB J., 2023)

Autonomic active learning strategy using cluster-based ensemble classifier for concept drifts in imbalanced data stream. - Bohnishikha Halder; K. M. Azharul Hasan; Toshiyuki Amagasa; Md. Manjur Ahmed (Expert Syst. Appl., 2023)

Textual Out-of-Distribution Data Detection Based on Granular Dictionary. - Tinghui Ouyang; Toshiyuki Amagasa (IEEE Big Data, 2024)

Boundary Point Detection Combining Gravity and Outlier Detection Methods. - Vijdan Khalique; Hiroyuki Kitagawa; Toshiyuki Amagasa (DASFAA (Workshops), 2024)

LSiX: A Scheme for Efficient Multiple Continuous Window Aggregation Over Streams. - Shun Kawakami; Savong Bou; Toshiyuki Amagasa (DaWaK, 2024)

Subtree Similarity Search Based on Structure and Text. - Takuya Mizokami; Savong Bou; Toshiyuki Amagasa (DaWaK, 2024)

MultiMatch: Low-Resource Generalized Entity Matching Using Task-Conditioned Hyperadapters in Multitask Learning. - John Bosco Mugeni; Steven J. Lynden; Toshiyuki Amagasa; Akiyoshi Matono (DaWaK, 2024)

Predicting Knowledge Graph Updates from Edit Histories. - Maiki Okura; Toshiyuki Amagasa (iiWAS (1), 2024)

Semi-supervised Named Entity Recognition for Low-Resource Languages Using Dual PLMs. - Hailemariam Mehari Yohannes; Steven J. Lynden; Toshiyuki Amagasa; Akiyoshi Matono (NLDB (1), 2024)

Cost-based Load Balancing of RDF Reasoning in Fog-Computing Environments. - Yuma Kokubo; Toshiyuki Amagasa (SAC, 2024)

Mining experimental data from Materials Science literature with Large Language Models. - Luca Foppiano; Guillaume Lambard; Toshiyuki Amagasa; Masashi Ishii (CoRR, 2024)

Finformer: Fast Incremental and General Time Series Data Prediction. - Savong Bou; Toshiyuki Amagasa; Hiroyuki Kitagawa (IEICE Trans. Inf. Syst., 2024)

Multi-Dimensional Fused Gromov Wasserstein Discrepancy for Edge-Attributed Graphs. - Keisuke Kawano; Satoshi Koide; Hiroaki Shiokawa; Toshiyuki Amagasa (IEICE Trans. Inf. Syst., 2024)

Efficient Pattern Matching over Out-of-Order Event Streams Using Sliding Buffer. - Rina Trisminingsih; Savong Bou; Toshiyuki Amagasa (J. Inf. Process., 2024)

O(1)-Time Complexity for Fixed Sliding-Window Aggregation Over Out-of-Order Data Streams. - Savong Bou; Toshiyuki Amagasa; Hiroyuki Kitagawa (IEEE Trans. Knowl. Data Eng., 2024)

Attribute-controlled Summarization: Enhancing Semantic Approach for Numerical Attribute Prediction on Knowledge Graphs. - Wa Ode Zuhayeni Madjida; Toshiyuki Amagasa (BigComp, 2025)

Parallel and Distributed SQL/PGQ Query Processing for Property Graphs. - Kosuke Yamasaki; Tadashi Masuda; Toshiyuki Amagasa (DaWaK, 2025)

StreamPlane: Flexible Reconfiguration of Streaming Application Runtime Topology. - Takdir; Salman Ahmed Shaikh; Akiyoshi Matono; Hiroyuki Kitagawa; Toshiyuki Amagasa (DEBS, 2025)

Entropy-Guided Probing for Predicting LLM Hallucinations with Knowledge Graph Features. - Ushtar Ali; Steven J. Lynden; Akiyoshi Matono; Toshiyuki Amagasa (DEXA (1), 2025)

Explainable Time Series Anomaly Detection by Dynamic Mode Decomposition. - Shun Kawakami; Toshiyuki Amagasa; Savong Bou (DEXA (1), 2025)

Efficient Source Selection for Federated SPARQL Queries Using Adjacent Predicate Information. - Yudai Ogura; Tadashi Masuda; Toshiyuki Amagasa (DEXA (2), 2025)

O(1)-Time Complexity for Fixed Sliding-Window Aggregation Over Out-of-Order Data Streams: (Extended Abstract). - Savong Bou; Toshiyuki Amagasa; Hiroyuki Kitagawa (ICDE, 2025)

AssistEM: Domain Instruction Tuning for Enhanced Entity Matching. - John Bosco Mugeni; Steven J. Lynden; Toshiyuki Amagasa; Akiyoshi Matono (PAKDD (5), 2025)

Efficient Processing of Multiple Continuous Window Aggregations over Streams. - Shun Kawakami; Savong Bou; Toshiyuki Amagasa (IEICE Trans. Inf. Syst., 2025)

Domain-adaptive entity recognition: unveiling the potential of CSER in cybersecurity and beyond. - Md Abu Marjan; Toshiyuki Amagasa (Int. J. Mach. Learn. Cybern., 2025)

Integration of knowledge bases and external sources using user-defined predicates and adaptive entity linking. - Yuuki Ohmori; Hiroyuki Kitagawa; Toshiyuki Amagasa; Akiyoshi Matono (World Wide Web (WWW), 2025)