Hiroyuki Kitagawa

2025

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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 Volume 28 Issue 4

2020

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GeoFlink: A Distributed and Scalable Framework for the Real-time Processing of Spatial Streams.
Komal Mariam|Dongmei Jia|Salman Ahmed Shaikh|Komal Mariam|Dongmei Jia|Hiroyuki Kitagawa|Kyoung-Sook Kim
CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020

2018

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FORank: Fast ObjectRank for Large Heterogeneous Graphs.
Tomoki Sato|Hiroaki Shiokawa|Yuto Yamaguchi|Hiroyuki Kitagawa
Companion Proceedings of the The Web Conference 2018, WWW 2018, Lyon , France, April 23-27, 2018

2017

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FORK: Feedback-Aware ObjectRank-Based Keyword Search over Linked Data.
Takahiro Komamizu|Sayami Okumura|Toshiyuki Amagasa|Hiroyuki Kitagawa
Information Retrieval Technology - 13th Asia Information Retrieval Societies Conference, AIRS 2017, Jeju Island, South Korea, November 22-24, 2017, Proceedings
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GPU-Accelerated Graph Clustering via Parallel Label Propagation.
Yusuke Kozawa|Toshiyuki Amagasa|Hiroyuki Kitagawa
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017
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StreamingCube: A Unified Framework for Stream Processing and OLAP Analysis.
Salman Ahmed Shaikh|Hiroyuki Kitagawa
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017
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Collecting Non-Geotagged Local Tweets via Bandit Algorithms.
Saki Ueda|Yuto Yamaguchi|Hiroyuki Kitagawa
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017

2015

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Why Do You Follow Him?: Multilinear Analysis on Twitter.
Yuto Yamaguchi|Mitsuo Yoshida|Christos Faloutsos|Hiroyuki Kitagawa
Proceedings of the 24th International Conference on World Wide Web Companion, WWW 2015, Florence, Italy, May 18-22, 2015 - Companion Volume

2014

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Efficient distance-based outlier detection on uncertain datasets of Gaussian distribution.
Salman Ahmed Shaikh|Hiroyuki Kitagawa
World Wide Web (WWW) 2014 Volume 17 Issue 4
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Online User Location Inference Exploiting Spatiotemporal Correlations in Social Streams.
Yuto Yamaguchi|Toshiyuki Amagasa|Hiroyuki Kitagawa|Yohei Ikawa
Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management, CIKM 2014, Shanghai, China, November 3-7, 2014

2013

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Efficient filtering and ranking schemes for finding inclusion dependencies on the web.
Atsuyuki Morishima|Erika Yumiya|Masami Takahashi|Shigeo Sugimoto|Hiroyuki Kitagawa
22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013

2012

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GPU acceleration of probabilistic frequent itemset mining from uncertain databases.
Yusuke Kozawa|Toshiyuki Amagasa|Hiroyuki Kitagawa
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012
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Filtering and ranking schemes for finding inclusion dependencies on the web.
Erika Yumiya|Atsuyuki Morishima|Masami Takahashi|Shigeo Sugimoto|Hiroyuki Kitagawa
Proceedings of the 21st World Wide Web Conference, WWW 2012, Lyon, France, April 16-20, 2012 (Companion Volume)

2009

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Why are moved web pages difficult to find?: the WISH approach.
Atsuyuki Morishima|Akiyoshi Nakamizo|Toshinari Iida|Shigeo Sugimoto|Hiroyuki Kitagawa
Proceedings of the 18th International Conference on World Wide Web, WWW 2009, Madrid, Spain, April 20-24, 2009

2008

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A Novelty-based Clustering Method for On-line Documents.
Sophoin Khy|Yoshiharu Ishikawa|Hiroyuki Kitagawa
World Wide Web (WWW) 2008 Volume 11 Issue 1

2005

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Conveying taxonomy context for topic-focused Web search.
Said Mirza Pahlevi|Hiroyuki Kitagawa
Journal of the Association for Information Science and Technology (JASIST) 2005 Volume 56 Issue 2