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» Querying RDF Data Using A Multigraph-based Approach
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139
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KDD
2007
ACM
153views Data Mining» more  KDD 2007»
16 years 2 months ago
Exploiting duality in summarization with deterministic guarantees
Summarization is an important task in data mining. A major challenge over the past years has been the efficient construction of fixed-space synopses that provide a deterministic q...
Panagiotis Karras, Dimitris Sacharidis, Nikos Mamo...
EDBT
2010
ACM
185views Database» more  EDBT 2010»
15 years 9 months ago
Optimizing joins in a map-reduce environment
Implementations of map-reduce are being used to perform many operations on very large data. We examine strategies for joining several relations in the map-reduce environment. Our ...
Foto N. Afrati, Jeffrey D. Ullman
130
Voted
AICOM
2004
118views more  AICOM 2004»
15 years 2 months ago
Qualitative pattern matching with linguistic terms
Abstract. In the framework of possibility theory, a tool named `fuzzy pattern matching' (FPM) has been proposed in the eighties and since successfully used in flexible queryin...
Yannick Loiseau, Henri Prade, Mohand Boughanem
132
Voted
WWW
2008
ACM
16 years 3 months ago
Exploring social annotations for information retrieval
Social annotation has gained increasing popularity in many Web-based applications, leading to an emerging research area in text analysis and information retrieval. This paper is c...
Ding Zhou, Jiang Bian, Shuyi Zheng, Hongyuan Zha, ...
117
Voted
CIVR
2003
Springer
200views Image Analysis» more  CIVR 2003»
15 years 7 months ago
Multimedia Search with Pseudo-relevance Feedback
We present an algorithm for video retrieval that fuses the decisions of multiple retrieval agents in both text and image modalities. While the normalization and combination of evi...
Rong Yan, Alexander G. Hauptmann, Rong Jin