Keishi Tajima

Publication Activity (10 Years)

Years Active: 1994-2024
Publications (10 Years): 38

Top Topics

Improving Classification Accuracy

Image Retrieval

Top Venues

Publications

Tetsuya Sasaoka, Yoko Yamakata, Keishi Tajima
Search Result Presentation for Non-Native Language Documents. IUI Companion (2024)
Eisaku Yoshikawa, Keishi Tajima
Content-Based Exclusion Queries in Keyword-Based Image Retrieval. ICMR (2024)
Satoshi Horikawa, Chiyonosuke Nemoto, Keishi Tajima, Masaki Matsubara, Atsuyuki Morishima
An Adaptive Feature Selection Method for Learning-to-Enumerate Problem. ECIR (3) (2024)
Hirotaka Nagashima, Keishi Tajima
Automatic Construction of Expiration Time Expression Dataset from Retweets. WWW (Companion Volume) (2024)
Mamoru Yamakawa, Keishi Tajima
A Centrality for Social Media Users Focusing on Information-Gathering Ability. HT (2023)
Yixin Zhang, Yoko Yamakata, Keishi Tajima
MIAIS: A Multimedia Recipe Dataset with Ingredient Annotation at Each Instructional Step. CEA++@MM (2022)
Shuhei Kobayashi, Keishi Tajima
Real-World Popularity Estimation from Community Structure of Followers on SNS. WI/IAT (2022)
Ruide Li, Yoko Yamakata, Keishi Tajima
Active Learning Strategies Based on Text Informativeness. WI/IAT (2022)
Yixin Zhang, Yoko Yamakata, Keishi Tajima
MIRecipe: A Recipe Dataset for Stage-Aware Recognition of Changes in Appearance of Ingredients. MMAsia (2021)
Ayato Watanabe, Keishi Tajima
Spammer Detection Based on Task Completion Time Variation in Crowdsourcing. IEEE BigData (2021)
Yixin Zhang, Yoko Yamakata, Keishi Tajima
Supplementing Omitted Named Entities in Cooking Procedural Text with Attached Images. MIPR (2021)
Sihem Amer-Yahia, Senjuti Basu Roy, Lei Chen, Atsuyuki Morishima, James Abello Monedero, Pierre Bourhis, François Charoy, Marina Danilevsky, Gautam Das, Gianluca Demartini, Shady Elbassuoni, David Gross-Amblard, Emilie Hoareau, Munenari Inoguchi, Jared B. Kenworthy, Itaru Kitahara, Dongwon Lee, Yunyao Li, Ria Mae Borromeo, Paolo Papotti, H. Raghav Rao, Sudeepa Roy, Pierre Senellart, Keishi Tajima, Saravanan Thirumuruganathan, Marion Tommasi, Kazutoshi Umemoto, Andrea Wiggins, Koichiro Yoshida
Making AI Machines Work for Humans in FoW. SIGMOD Rec. 49 (2) (2020)
Momo Kyozuka, Keishi Tajima
A Ranking Method for Relaxed Queries in Book Search. JCDL (2019)
Masahiro Inoue, Keishi Tajima
Temporal Analysis of Supply and Demand of Topics on The Web. WebSci (2019)
Yuanyuan Wang, Panote Siriaraya, Haruka Sakara, Yukiko Kawai, Keishi Tajima
A Map Search System based on a Spatial Query Language. EDBT (2019)
Yixin Zhang, Yoko Yamakata, Keishi Tajima
Categorization of Cooking Actions Based on Textual/Visual Similarity. MADiMa @ ACM Multimedia (2019)
Yuanyuan Wang, Panote Siriaraya, Haruka Sakata, Yukiko Kawai, Keishi Tajima
Designing a Query Language Using Keyword Pairs for Spatial and Temporal Search. W2GIS (2019)
Xiaoni Duan, Keishi Tajima
Improving Multiclass Classification in Crowdsourcing by Using Hierarchical Schemes. WWW (2019)
Ziyang Liao, Keishi Tajima
Disjunctive Sets of Phrase Queries for Diverse Query Suggestion. WI (2019)
Yuanyuan Wang, Panote Siriaraya, Yukiko Kawai, Keishi Tajima
A proposal of spatial operators for a collaborative map search system. IUI Companion (2019)
Taka Maenishi, Keishi Tajima
Identifying Tags Describing Image Contents. HT (2019)
Yoko Yamakata, Keishi Tajima, Shinsuke Mori
A Case Study on Start-up of Dataset Construction: In Case of Recipe Named Entity Corpus. IEEE BigData (2018)
Yusuke Suzuki, Masaki Matsubara, Keishi Tajima, Toshiyuki Amagasa, Atsuyuki Morishima
A Cache-based Approach to Dynamic Switching between Different Dataflows in Crowdsourcing. IEEE BigData (2018)
Daisuke Kataoka, Keishi Tajima
SNS Retrieval Based on User Profile Estimation Using Transfer Learning from Web Search. WI (2018)
Momo Kyozuka, Keishi Tajima
Ranking Methods for Query Relaxation in Book Search. WI (2018)
Ken Mizusawa, Keishi Tajima, Masaki Matsubara, Toshiyuki Amagasa, Atsuyuki Morishima
Efficient Pipeline Processing of Crowdsourcing Workflows. CIKM (2018)
Xiaoni Duan, Keishi Tajima
Improving classification accuracy in crowdsourcing through hierarchical reorganization. IEEE BigData (2017)
Naoki Kobayashi, Masaki Matsubara, Keishi Tajima, Atsuyuki Morishima
A crowd-in-the-loop approach for generating conference programs with microtasks. IEEE BigData (2017)
Tomohiro Manabe, Keishi Tajima
Heading-Aware Proximity Measure and Its Application to Web Search. Inf. Media Technol. 11 (2016)
Hikaru Takemura, Keishi Tajima
Classification of Twitter Accounts into Targeting Accounts and Non-Targeting Accounts. HT (2016)
Daichi Imamori, Keishi Tajima
Predicting Popularity of Twitter Accounts through the Discovery of Link-Propagating Early Adopters. CIKM (2016)
Tomohiro Manabe, Keishi Tajima
Subtopic Ranking based on Hierarchical Headings. WEBIST (2) (2016)
Tomohiro Manabe, Keishi Tajima
Subtopic Ranking Based on Block-Level Document Analysis. WEBIST (Revised Selected Papers) (2016)
Tomohiro Manabe, Keishi Tajima
Extracting Logical Hierarchical Structure of HTML Documents Based on Headings. Proc. VLDB Endow. 8 (12) (2015)
Daichi Imamori, Keishi Tajima
Predicting Popularity of Twitter Accounts through the Discovery of Link-Propagating Early Adopters. CoRR (2015)
Hikaru Takemura, Atsushi Tanaka, Keishi Tajima
Classification of Twitter follow links based on the followers' intention. SAC (2015)
Ming Li, Keishi Tajima
Automatic Generation of Authentication Questions from Private Messages. WI-IAT (1) (2015)
Tomohiro Manabe, Keishi Tajima
Heading-Aware Snippet Generation for Web Search. AIRS (2015)
Atsushi Tanaka, Hikaru Takemura, Keishi Tajima
Why you follow: a classification scheme for twitter follow links. HT (2014)
Xiaoqi Zhao, Keishi Tajima
Online Retweet Recommendation with Item Count Limits. WI-IAT (2) (2014)
Keishi Tajima
Schemaless Semistructured Data Revisited - - Reinventing Peter Buneman's Deterministic Semistructured Data Model -. In Search of Elegance in the Theory and Practice of Computation (2013)
Hikaru Takemura, Keishi Tajima
Tweet classification based on their lifetime duration. CIKM (2012)
Masahiro Inoue, Keishi Tajima
Noise robust detection of the emergence and spread of topics on the web. TempWeb (2012)
Atsuyuki Morishima, Keishi Tajima, Masateru Tadaishi
Optimal tree node ordering for child/descendant navigations. ICDE (2010)
Shenwei Liu, Keishi Tajima
WildThumb: a web browser supporting efficient task management on wide displays. IUI (2010)
Keishi Tajima, Kaori Ohnishi
Browsing large HTML tables on small screens. UIST (2008)
Toshiro Takase, Keishi Tajima
Lazy XML Parsing/Serialization Based on Literal and DOM Hybrid Representation. ICWS (2008)
Shun Hattori, Taro Tezuka, Hiroaki Ohshima, Satoshi Oyama, Junpei Kawamoto, Keishi Tajima, Katsumi Tanaka
ReCQ: Real-World Context-Aware Querying. CONTEXT (2007)
Toshiro Takase, Keishi Tajima
Efficient Web Services Message Exchange by SOAP Bundling Framework. EDOC (2007)
Chi Tian, Taro Tezuka, Satoshi Oyama, Keishi Tajima, Katsumi Tanaka
Improving Web Retrieval Precision Based on Semantic Relationships and Proximity of Query Keywords. DEXA (2006)
Yutaka Kabutoya, Takayuki Yumoto, Satoshi Oyama, Keishi Tajima, Katsumi Tanaka
Quality Estimation of Local Contents Based on PageRank Values of Web Pages. ICDE Workshops (2006)
Chi Tian, Taro Tezuka, Satoshi Oyama, Keishi Tajima, Katsumi Tanaka
Web Search Improvement Based on Proximity and Density of Miltiple Keywords. ICDE Workshops (2006)
Keqiu Li, Hong Shen, Keishi Tajima, Liusheng Huang
An Effective Cache Replacement Algorithm in Transcoding-Enabled Proxies. J. Supercomput. 35 (2) (2006)
Keqiu Li, Keishi Tajima, Hong Shen
Cache Replacement for Transcoding Proxy Caching. Web Intelligence (2005)
Hidetaka Matsumura, Keishi Tajima
Incremental evaluation of a monotone XPath fragment. CIKM (2005)
Keishi Tajima, Yoshiki Fukui
Answering XPath Queries over Networks by Sending Minimal Views. VLDB (2004)
Keqiu Li, Hong Shen, Keishi Tajima
Cache Design for Transcoding Proxy Caching. NPC (2004)
Peter Buneman, Sanjeev Khanna, Keishi Tajima, Wang Chiew Tan
Archiving scientific data. ACM Trans. Database Syst. 29 (2004)
Peter Buneman, Sanjeev Khanna, Keishi Tajima, Wang Chiew Tan
Archiving scientific data. SIGMOD Conference (2002)
Sujeet Pradhan, Keishi Tajima, Katsumi Tanaka
A Query Model to Synthesize Answer Intervals from Indexed Video Units. IEEE Trans. Knowl. Data Eng. 13 (5) (2001)
Keishi Tajima, Kazuya Yoda, Katsumi Tanaka
Access control and authorization for CG data with multiple detail levels. Systems and Computers in Japan 31 (9) (2000)
Sujeet Pradhan, Takashi Sogo, Keishi Tajima, Katsumi Tanaka
A New Algebraic Approach to Retrieve Meaningful Video Intervals from Fragmentarily Indexed Video Shots. VDB (2000)
Katsumi Tanaka, Keishi Tajima, Takashi Sogo, Sujeet Pradhan
Algebraic Retrieval of Fragmentarily Indexed Video. New Gener. Comput. 18 (4) (2000)
Shojiro Nishio, Katsumi Tanaka, Yasuo Ariki, Shinji Shimojo, Masahiko Tsukamoto, Masatoshi Arikawa, Keishi Tajima, Kaname Harumoto
An Advanced Processing Environment for Managing the Continuous and Semistructured Features of Multimedia Content. ADBIS-DASFAA (2000)
Yoshiaki Mizuuchi, Keishi Tajima
Finding Context Paths for Web Pages. Hypertext (1999)
Sujeet Pradhan, Keishi Tajima, Katsumi Tanaka
A Query Model for Retrieving Relevant Intervals within a Video Stream. ICMCS, Vol. 2 (1999)
Keishi Tajima, Katsumi Tanaka
New Techniques for the Discovery of Logical Documents in Web. DANTE (1999)
Keishi Tajima, Kenji Hatano, Takeshi Matsukura, Ryoichi Sano, Katsumi Tanaka
Discovery and Retrieval of Logical Information Units in Web. WOWS (1999)
Keishi Tajima
Querying Composite Objects in Semistructured Data. FODO (1998)
Keishi Tajima, Yoshiaki Mizuuchi, Masatsugu Kitagawa, Katsumi Tanaka
Cut as a Querying Unit for WWW, Netnews, e-mail. Hypertext (1998)
Masaki Kamiura, Hiroaki Oiso, Keishi Tajima, Katsumi Tanaka
Spatial Views and LOD-Based Access Control in VRML-object Databases. WWCA (1997)
Sujeet Pradhan, Keishi Tajima, Katsumi Tanaka
Utilizing Prototype Objects and Powerdomains to Support Public Authoring of Video Databases. CODAS (1996)
Susumu Nishimura, Atsushi Ohori, Keishi Tajima
An Equational Object-Oriented Data Model and its Data-Parallel Query Language. OOPSLA (1996)
Keishi Tajima
Static Detection of Security Flaws in Object-Oriented Databases. SIGMOD Conference (1996)
Atsushi Ohori, Keishi Tajima
A Polymorphic Calculus for Views and Object Sharing. PODS (1994)