Ryoji Kataoka

According to our database, Ryoji Kataoka authored at least 31 papers between 1992 and 2013.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2013

Robust Online Learning to Rank via Selective Pairwise Approach Based on Evaluation Measures.

Yoshihiko Suhara, Jun Suzuki, Ryoji Kataoka

Inf. Media Technol., 2013

2012

A Query-Focused Summarization Method that Guarantees the Inclusion of Query Words.

Norihito Yasuda, Masaaki Nishino, Tsutomu Hirao, Jun Suzuki, Ryoji Kataoka

Proceedings of the 23rd International Workshop on Database and Expert Systems Applications, 2012

2011

Accelerating instant question search with database techniques.

Takeharu Eda, Toshio Uchiyama, Katsuji Bessho, Norifumi Katafuchi, Alice Chen, Ryoji Kataoka

Proceedings of the 20th International Conference on World Wide Web, 2011

2010

Detecting periodic changes in search intentions in a search engine.

Masaya Murata, Hiroyuki Toda, Yumiko Matsuura, Ryoji Kataoka, Takayoshi Mochizuki

Proceedings of the 19th ACM Conference on Information and Knowledge Management, 2010

2009

Access concentration detection in click logs to improve mobile Web-IR.

Masaya Murata, Hiroyuki Toda, Yumiko Matsuura, Ryoji Kataoka

Inf. Sci., 2009

Query-page intention matching using clicked titles and snippets to boost search rankings.

Masaya Murata, Hiroyuki Toda, Yumiko Matsuura, Ryoji Kataoka

Proceedings of the 2009 Joint International Conference on Digital Libraries, 2009

Geographic information retrieval to suit immediate surroundings.

Hiroyuki Toda, Norihito Yasuda, Yumiko Matsuura, Ryoji Kataoka

Proceedings of the 17th ACM SIGSPATIAL International Symposium on Advances in Geographic Information Systems, 2009

2008

Improving Mobile Web-IR Using Access Concentration Sites in Search Results.

Masaya Murata, Hiroyuki Toda, Yumiko Matsuura, Ryoji Kataoka

Proceedings of the Web Information Systems Engineering, 2008

Topic structure mining using temporal co-occurrence.

Hiroyuki Toda, Hiroyuki Kitagawa, Ko Fujimura, Ryoji Kataoka

Proceedings of the 2nd International Conference on Ubiquitous Information Management and Communication, 2008

Proximity Scoring Using Sentence-Based Inverted Index for Practical Full-Text Search.

Yukio Uematsu, Takafumi Inoue, Kengo Fujioka, Ryoji Kataoka, Hayato Ohwada

Proceedings of the Research and Advanced Technology for Digital Libraries, 2008

Ranking Entities Using Comparative Relations.

Takeshi Kurashima, Katsuji Bessho, Hiroyuki Toda, Toshio Uchiyama, Ryoji Kataoka

Proceedings of the Database and Expert Systems Applications, 19th International Conference, 2008

Incorporating place name extents into geo-ir ranking.

Hiroyuki Toda, Norihito Yasuda, Yumiko Matsuura, Ryoji Kataoka

Proceedings of the 17th ACM Conference on Information and Knowledge Management, 2008

2007

Search Result Clustering Using Informatively Named Entities.

Hiroyuki Toda, 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

Kanshinji Antenna: A Japanese-language Concept Search System.

Katsuji Bessho, Osamu Furuse, Ryoji Kataoka, Masahiro Oku

Int. J. Hum. Comput. Interact., 2007

Opinion Sentence Search Engine on Open-Domain Blog.

Osamu Furuse, Nobuaki Hiroshima, Setsuo Yamada, Ryoji Kataoka

Proceedings of the IJCAI 2007, 2007

2006

Topic Structure Mining Using PageRank Without Hyperlinks.

Hiroyuki Toda, Ko Fujimura, Ryoji Kataoka, Hiroyuki Kitagawa

Proceedings of the Digital Libraries: Achievements, 2006

Clustering Presentation of Web Image Retrieval Results using Textual Information and Image Features.

Yukio Uematsu, Ryoji Kataoka, Hiroshi Takeno

Proceedings of the IASTED International Conference on Internet and Multimedia Systems and Applications, 2006

Topic Structure Mining for Document Sets Using Graph-Based Analysis.

Hiroyuki Toda, Ryoji Kataoka, Hiroyuki Kitagawa

Proceedings of the Database and Expert Systems Applications, 17th International Conference, 2006

2005

A similarity search algorithm for ellipsoid queries using spatial transformation.

Yasushi Sakurai, Masatoshi Yoshikawa, Shunsuke Uemura, Ryoji Kataoka

Syst. Comput. Jpn., 2005

A clustering method for news articles retrieval system.

Hiroyuki Toda, Ryoji Kataoka

Proceedings of the 14th international conference on World Wide Web, 2005

A search result clustering method using informatively named entities.

Hiroyuki Toda, Ryoji Kataoka

Proceedings of the Seventh ACM International Workshop on Web Information and Data Management (WIDM 2005), 2005

Search Result Clustering Method at NTCIR-5 Web Query Expansion Subtask.

Hiroyuki Toda, Ryoji Kataoka

Proceedings of the Fifth NTCIR Workshop Meeting on Evaluation of Information Access Technologies: Information Retrieval, 2005

2002

Sound compass^TM - a fast query-by-humming system using multi-dimensional feature vectors.

Hidenobu Nagata, Naoko Kosugi, Ryoji Kataoka, Takashi Honishi

Proceedings of the Entertainment Computing: Technologies and Applications, 2002

2001

Similarity Search for Adaptive Ellipsoid Queries Using Spatial Transformation.

Yasushi Sakurai, Masatoshi Yoshikawa, Ryoji Kataoka, Shunsuke Uemura

Proceedings of the VLDB 2001, 2001

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

Proceedings of the 9th ACM International Conference on Multimedia 2001, Ottawa, Ontario, Canada, September 30, 2001

2000

Content-based Video Retrieval Based on Similarity of Camera Motion.

Hirohide Endoh, Ryoji Kataoka

Proceedings of the Advances in Visual Information Management, 2000

1998

<i>Videoplex: </i> A New System Framework for Constructing Video-Based Three-Dimensional Space.

Go Nishimura, Tamio Kihara, Ryoji Kataoka

Proceedings of the Advanced Multimedia Content Processing, First International Conference, 1998

1995

Architecture and Storage Structure of an Interactive Multimedia Information System.

Ryoji Kataoka, Tetsuji Satoh, Ushio Inoue

IEICE Trans. Inf. Syst., 1995

1994

Priority management for concurrent execution of real-time and on-line transactions.

Ryoji Kataoka, Tetsuji Satoh, Ushio Inoue

Syst. Comput. Jpn., 1994

1992

A new multiversion concurrency control algorithm for partial update transactions and bulk retrieval transactions.

Ryoji Kataoka, Tetsuji Satoh, Ushio Inoue

Syst. Comput. Jpn., 1992