651 search results - page 68 / 131 » Algebraic Query Optimization for Distributed Top-k Queries |
JACM
2008
13 years 9 months ago
2008
XML queries are usually expressed by means of XPath expressions identifying portions of the selected documents. An XPath expression defines a way of navigating an XML tree and ret...
EDBT
2010
ACM
14 years 2 months ago
2010
ACM
The wide availability of commodity multi-core systems presents an opportunity to address the latency issues that have plaqued XML query processing. However, simply executing multi...
SODA
2008
ACM
13 years 10 months ago
2008
ACM
A data structure is presented for point location in convex planar subdivisions when the distribution of queries is known in advance. The data structure has an expected query time t...
HPDC
2000
IEEE
14 years 1 months ago
2000
IEEE
The dQUOB system satis es client need for speci c information from high-volume data streams. The data streams we speak of are the ow of data existing during large-scale visualizat...
VLDB
2004
ACM
14 years 2 months ago
2004
ACM
In a binary symmetric relationship, A is related to B if and only if B is related to A. Symmetric relationships between k participating entities can be represented as multisets of...