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ICPR
2008
IEEE
16 years 6 months ago
Image retrieval with graph kernel on regions
In the framework of the interactive search in image databases, we are interested in similarity measures able to learn during the search and usable in real-time. Images are represe...
Justine Lebrun, Sylvie Philipp-Foliguet, Philippe ...
KDD
2005
ACM
124views Data Mining» more  KDD 2005»
16 years 5 months ago
CLICKS: an effective algorithm for mining subspace clusters in categorical datasets
We present a novel algorithm called Clicks, that finds clusters in categorical datasets based on a search for k-partite maximal cliques. Unlike previous methods, Clicks mines subs...
Mohammed Javeed Zaki, Markus Peters, Ira Assent, T...
SIGMOD
2001
ACM
108views Database» more  SIGMOD 2001»
16 years 5 months ago
Improving Index Performance through Prefetching
This paper proposes and evaluates Prefetching B+ -Trees pB+ -Trees, which use prefetching to accelerate two important operations on B+ -Tree indices: searches and range scans. To ...
Shimin Chen, Phillip B. Gibbons, Todd C. Mowry
EDBT
2004
ACM
162views Database» more  EDBT 2004»
16 years 4 months ago
Non-contiguous Sequence Pattern Queries
Abstract. Non-contiguous subsequence pattern queries search for symbol instances in a long sequence that satisfy some soft temporal constraints. In this paper, we propose a methodo...
Nikos Mamoulis, Man Lung Yiu
EDBT
2006
ACM
169views Database» more  EDBT 2006»
16 years 4 months ago
Feedback-Driven Structural Query Expansion for Ranked Retrieval of XML Data
Relevance Feedback is an important way to enhance retrieval quality by integrating relevance information provided by a user. In XML retrieval, feedback engines usually generate an ...
Ralf Schenkel, Martin Theobald