A new multiversion concurrency control algorithm for partial update transactions and bulk retrieval transactions. - Ryoji Kataoka; Tetsuji Satoh; Ushio Inoue (Syst. Comput. Jpn., 1992)

Priority management for concurrent execution of real-time and on-line transactions. - Ryoji Kataoka; Tetsuji Satoh; Ushio Inoue (Syst. Comput. Jpn., 1994)

Architecture and Storage Structure of an Interactive Multimedia Information System. - Ryoji Kataoka; Tetsuji Satoh; Ushio Inoue (IEICE Trans. Inf. Syst., 1995)

Videoplex: A New System Framework for Constructing Video-Based Three-Dimensional Space. - Go Nishimura; Tamio Kihara; Ryoji Kataoka (AMCP, 1998)

Content-based Video Retrieval Based on Similarity of Camera Motion. - Hirohide Endoh; Ryoji Kataoka (VDB, 2000)

Content-based retrieval applications on a common database management system. - Naoko Kosugi; Go Nishimura; Junji Teramoto; Kazuyoshi Mii; Makoto Onizuka; Seiichi Kon'ya; Akira Kojima; Ryoji Kataoka; Takashi Honishi; Kazuhiko Kushima (ACM Multimedia, 2001)

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

Sound compassTM - a fast query-by-humming system using multi-dimensional feature vectors. - Hidenobu Nagata; Naoko Kosugi; Ryoji Kataoka; Takashi Honishi (IWEC, 2002)

Search Result Clustering Method at NTCIR-5 Web Query Expansion Subtask. - Hiroyuki Toda; Ryoji Kataoka (NTCIR, 2005)

A search result clustering method using informatively named entities. - Hiroyuki Toda; Ryoji Kataoka (WIDM, 2005)

A clustering method for news articles retrieval system. - Hiroyuki Toda; Ryoji Kataoka (WWW (Special interest tracks and posters), 2005)

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

Topic Structure Mining for Document Sets Using Graph-Based Analysis. - Hiroyuki Toda; Ryoji Kataoka; Hiroyuki Kitagawa (DEXA, 2006)

Clustering Presentation of Web Image Retrieval Results using Textual Information and Image Features. - Yukio Uematsu; Ryoji Kataoka; Hiroshi Takeno (EuroIMSA, 2006)

Topic Structure Mining Using PageRank Without Hyperlinks. - Hiroyuki Toda; Ko Fujimura; Ryoji Kataoka; Hiroyuki Kitagawa (ICADL, 2006)

Opinion Sentence Search Engine on Open-Domain Blog. - Osamu Furuse; Nobuaki Hiroshima; Setsuo Yamada; Ryoji Kataoka (IJCAI, 2007)

Kanshinji Antenna: A Japanese-language Concept Search System. - Katsuji Bessho; Osamu Furuse; Ryoji Kataoka; Masahiro Oku (Int. J. Hum. Comput. Interact., 2007)

Instant Topic Extraction From a Text-Based Communication Channel for Seeing the World. - Megumi Ishii; Minako Izawa; Ryoji Kataoka; Masahiro Oku; Katsuhiko Ogawa (Int. J. Hum. Comput. Interact., 2007)

Search Result Clustering Using Informatively Named Entities. - Hiroyuki Toda; Ryoji Kataoka; Masahiro Oku (Int. J. Hum. Comput. Interact., 2007)

Incorporating place name extents into geo-ir ranking. - Hiroyuki Toda; Norihito Yasuda; Yumiko Matsuura; Ryoji Kataoka (CIKM, 2008)

Ranking Entities Using Comparative Relations. - Takeshi Kurashima; Katsuji Bessho; Hiroyuki Toda; Toshio Uchiyama; Ryoji Kataoka (DEXA, 2008)

Proximity Scoring Using Sentence-Based Inverted Index for Practical Full-Text Search. - Yukio Uematsu; Takafumi Inoue; Kengo Fujioka; Ryoji Kataoka; Hayato Ohwada (ECDL, 2008)

Topic structure mining using temporal co-occurrence. - Hiroyuki Toda; Hiroyuki Kitagawa; Ko Fujimura; Ryoji Kataoka (ICUIMC, 2008)

Improving Mobile Web-IR Using Access Concentration Sites in Search Results. - Masaya Murata; Hiroyuki Toda; Yumiko Matsuura; Ryoji Kataoka (WISE, 2008)

Geographic information retrieval to suit immediate surroundings. - Hiroyuki Toda; Norihito Yasuda; Yumiko Matsuura; Ryoji Kataoka (GIS, 2009)

Query-page intention matching using clicked titles and snippets to boost search rankings. - Masaya Murata; Hiroyuki Toda; Yumiko Matsuura; Ryoji Kataoka (JCDL, 2009)

Access concentration detection in click logs to improve mobile Web-IR. - Masaya Murata; Hiroyuki Toda; Yumiko Matsuura; Ryoji Kataoka (Inf. Sci., 2009)

Detecting periodic changes in search intentions in a search engine. - Masaya Murata; Hiroyuki Toda; Yumiko Matsuura; Ryoji Kataoka; Takayoshi Mochizuki (CIKM, 2010)

Accelerating instant question search with database techniques. - Takeharu Eda; Toshio Uchiyama; Katsuji Bessho; Norifumi Katafuchi; Alice Chen; Ryoji Kataoka (WWW (Companion Volume), 2011)

A Query-Focused Summarization Method that Guarantees the Inclusion of Query Words. - Norihito Yasuda; Masaaki Nishino; Tsutomu Hirao; Jun Suzuki 001; Ryoji Kataoka (DEXA Workshops, 2012)

Robust Online Learning to Rank via Selective Pairwise Approach Based on Evaluation Measures. - Yoshihiko Suhara; Jun Suzuki 011; Ryoji Kataoka (Inf. Media Technol., 2013)