958 search results - page 117 / 192 » Efficient data structures for range-aggregate queries on tre... |
166
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BMCBI
2005
14 years 10 months ago
2005
Background: Alignment of RNA secondary structures is important in studying functional RNA motifs. In recent years, much progress has been made in RNA motif finding and structure a...
SODA
2010
ACM
15 years 7 months ago
2010
ACM
We observe that the classical maximum flow problem in any directed planar graph G can be reformulated as a parametric shortest path problem in the oriented dual graph G . This ref...
194
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GIS
2004
ACM
15 years 11 months ago
2004
ACM
Spatial, temporal and spatio-temporal aggregates over continuous streams of remotely sensed image data build a fundamental operation in many applications in the environmental scie...
VLDB
2002
ACM
14 years 9 months ago
2002
ACM
The problem of indexing path queries in semistructured/XML databases has received considerable attention recently, and several proposals have advocated the use of structure indexe...
177
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ICDE
2002
IEEE
15 years 11 months ago
2002
IEEE
We propose a novel approach to shape-based image retrieval that builds upon a similarity criterion which is based on the average point set distance. Compared to traditional techni...