2853 search results - page 429 / 571 » On the Efficiency of Provenance Queries |
173
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TWC
2010
15 years 1 months ago
2010
Abstract--In this paper, we deal with the performance of nonorthogonal Amplify-and-Forward protocols over block-fading channels (BFNAF), where the source retransmits the same data ...
328
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ICDE
2003
IEEE
16 years 7 months ago
2003
IEEE
This paper presents SPEX, a streamed and progressive evaluation of regular path expressions with XPath-like qualifiers against XML streams. SPEX proceeds as follows. An expression...
285
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ICDE
2003
IEEE
16 years 7 months ago
2003
IEEE
In many database applications involving string data, it is common to have near neighbor queries (asking for strings that are similar to a query string) or nearest neighbor queries...
170
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VIS
2009
IEEE
16 years 7 months ago
2009
IEEE
We develop a new algorithm for isosurface extraction and view-dependent filtering from large time-varying fields, by using a novel Persistent Time-Octree (PTOT) indexing structure....
252
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GIS
2009
ACM
16 years 7 months ago
2009
ACM
A route leads from a start location to a final destination and passes through geospatial entities that are picked according to search terms provided by the user. Each entity is pe...