157 search results - page 22 / 32 » Effectiveness of HMM-based retrieval on large databases |
175
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VLDB
2003
ACM
15 years 9 months ago
2003
ACM
Due to their expressive power, Regular Expressions (REs) are quickly becoming an integral part of language specifications for several important application scenarios. Many of thes...
ICCV
2009
IEEE
16 years 2 months ago
2009
IEEE
We present a new algorithm for a robust family of Earth Mover’s Distances - EMDs with thresholded ground distances. The algorithm transforms the flow-network of the EMD so that t...
ICMCS
2008
IEEE
15 years 4 months ago
2008
IEEE
The automatic detection of semantic events in users’ image and video collections is an important technique for content management and retrieval. In this paper we propose a novel...
170
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ICDE
2009
IEEE
15 years 11 months ago
2009
IEEE
Due to the structural heterogeneity of XML, queries are often interpreted approximately. This is achieved by relaxing the query and ranking the results based on their relevance to ...
170
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VLDB
2008
ACM
15 years 9 months ago
2008
ACM
Abstract Existing spatiotemporal indexes suffer from either large update cost or poor query performance, except for the Bx -tree (the state-of-the-art), which consists of multiple ...