2853 search results - page 491 / 571 » On the Efficiency of Provenance Queries |
BMCBI
2005
14 years 11 months ago
2005
Background: BLAST is a widely used genetic research tool for analysis of similarity between nucleotide and protein sequences. This paper presents a software application entitled &...
100
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GIS
2002
ACM
14 years 11 months ago
2002
ACM
A very important class of queries in GIS applications is the class of K-Nearest Neighbor queries. Most of the current studies on the K-Nearest Neighbor queries utilize spatial ind...
110
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PVLDB
2008
14 years 11 months ago
2008
Despite the intense interest towards realizing the Semantic Web vision, most existing RDF data management schemes are constrained in terms of efficiency and scalability. Still, th...
PVLDB
2008
14 years 11 months ago
2008
Data integration systems often provide a uniform query interface, called a mediated schema, to a multitude of data sources. To answer user queries, such systems employ a set of se...
114
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CORR
2010
Springer
14 years 9 months ago
2010
Springer
Abstract. CAT(0) metric spaces constitute a far-reaching common generalization of Euclidean and hyperbolic spaces and simple polygons: any two points x and y of a CAT(0) metric spa...