| 2025 | UIST | Graph-Structure-Based Grouping of Web Browser Tabs into Tasks. | Mizuki Hisatomi, Keishi Tajima |
| 2024 | ECIR | An Adaptive Feature Selection Method for Learning-to-Enumerate Problem. | Satoshi Horikawa, Chiyonosuke Nemoto, Keishi Tajima, Masaki Matsubara, Atsuyuki Morishima |
| 2024 | IUI | Search Result Presentation for Non-Native Language Documents. | Tetsuya Sasaoka, Yoko Yamakata, Keishi Tajima |
| 2024 | WWW | Automatic Construction of Expiration Time Expression Dataset from Retweets. | Hirotaka Nagashima, Keishi Tajima |
| 2019 | EDBT | A Map Search System based on a Spatial Query Language. | Yuanyuan Wang, Panote Siriaraya, Haruka Sakara, Yukiko Kawai, Keishi Tajima |
| 2019 | IUI | A proposal of spatial operators for a collaborative map search system. | Yuanyuan Wang, Panote Siriaraya, Yukiko Kawai, Keishi Tajima |
| 2019 | WWW | Improving Multiclass Classification in Crowdsourcing by Using Hierarchical Schemes. | Xiaoni Duan, Keishi Tajima |
| 2019 | W2GIS | Designing a Query Language Using Keyword Pairs for Spatial and Temporal Search. | Yuanyuan Wang, Panote Siriaraya, Haruka Sakata, Yukiko Kawai, Keishi Tajima |
| 2018 | CIKM | Efficient Pipeline Processing of Crowdsourcing Workflows. | Ken Mizusawa, Keishi Tajima, Masaki Matsubara, Toshiyuki Amagasa, Atsuyuki Morishima |
| 2016 | CIKM | Predicting Popularity of Twitter Accounts through the Discovery of Link-Propagating Early Adopters. | Daichi Imamori, Keishi Tajima |
| 2016 | WEBIST | Subtopic Ranking based on Hierarchical Headings. | Tomohiro Manabe, Keishi Tajima |
| 2016 | WEBIST | Subtopic Ranking Based on Block-Level Document Analysis. | Tomohiro Manabe, Keishi Tajima |
| 2015 | SAC | Classification of Twitter follow links based on the followers' intention. | Hikaru Takemura, Atsushi Tanaka, Keishi Tajima |
| 2012 | CIKM | Tweet classification based on their lifetime duration. | Hikaru Takemura, Keishi Tajima |
| 2012 | WWW | Noise robust detection of the emergence and spread of topics on the web. | Masahiro Inoue, Keishi Tajima |
| 2010 | ICDE | Optimal tree node ordering for child/descendant navigations. | Atsuyuki Morishima, Keishi Tajima, Masateru Tadaishi |
| 2010 | IUI | WildThumb: a web browser supporting efficient task management on wide displays. | Shenwei Liu, Keishi Tajima |
| 2008 | ICWS | Lazy XML Parsing/Serialization Based on Literal and DOM Hybrid Representation. | Toshiro Takase, Keishi Tajima |
| 2008 | UIST | Browsing large HTML tables on small screens. | Keishi Tajima, Kaori Ohnishi |
| 2007 | EDOC | Efficient Web Services Message Exchange by SOAP Bundling Framework. | Toshiro Takase, Keishi Tajima |
| 2006 | DEXA | Improving Web Retrieval Precision Based on Semantic Relationships and Proximity of Query Keywords. | Chi Tian, Taro Tezuka, Satoshi Oyama, Keishi Tajima, Katsumi Tanaka |
| 2006 | ICDE | Quality Estimation of Local Contents Based on PageRank Values of Web Pages. | Yutaka Kabutoya, Takayuki Yumoto, Satoshi Oyama, Keishi Tajima, Katsumi Tanaka |
| 2006 | ICDE | Web Search Improvement Based on Proximity and Density of Miltiple Keywords. | Chi Tian, Taro Tezuka, Satoshi Oyama, Keishi Tajima, Katsumi Tanaka |
| 2005 | CIKM | Incremental evaluation of a monotone XPath fragment. | Hidetaka Matsumura, Keishi Tajima |
| 2004 | NPC | Cache Design for Transcoding Proxy Caching. | Keqiu Li, Hong Shen, Keishi Tajima |
| 2004 | VLDB | Answering XPath Queries over Networks by Sending Minimal Views. | Keishi Tajima, Yoshiki Fukui |
| 2002 | SIGMOD | Archiving scientific data. | Peter Buneman, Sanjeev Khanna, Keishi Tajima, Wang Chiew Tan |
| 2000 | ADBIS | An Advanced Processing Environment for Managing the Continuous and Semistructured Features of Multimedia Content. | Shojiro Nishio, Katsumi Tanaka, Yasuo Ariki, Shinji Shimojo, Masahiko Tsukamoto, Masatoshi Arikawa, Keishi Tajima, Kaname Harumoto |
| 1996 | OOPSLA | An Equational Object-Oriented Data Model and its Data-Parallel Query Language. | Susumu Nishimura, Atsushi Ohori, Keishi Tajima |
| 1996 | SIGMOD | Static Detection of Security Flaws in Object-Oriented Databases. | Keishi Tajima |
| 1994 | PODS | A Polymorphic Calculus for Views and Object Sharing. | Atsushi Ohori, Keishi Tajima |