651 search results - page 84 / 131 » Algebraic Query Optimization for Distributed Top-k Queries |
VLDB
2010
ACM
13 years 7 months ago
2010
ACM
According to the database outsourcing model, a data owner delegates database functionality to a thirdparty service provider, which answers queries received from clients. Authentic...
EDBTW
2006
Springer
14 years 22 days ago
2006
Springer
Abstract. Algorithms for processing Structural Joins embody essential building blocks for XML query evaluation. Their design is a difficult task, because they have to satisfy many ...
TREC
2004
13 years 10 months ago
2004
With our participation in TREC2004, we test Terrier, a modular and scalable Information Retrieval framework, in three tracks. For the mixed query task of the Web track, we employ ...
VLDB
1998
ACM
14 years 1 months ago
1998
ACM
The problem of finding an optimal bipartition of a rectangle set has a direct impact on query performance of dynamic R-trees. During update operations, overflowed nodes need to be...
INFOCOM
2009
IEEE
14 years 3 months ago
2009
IEEE
—We propose a Smart Trend-Traversal (STT) protocol for RFID tag arbitration, which effectively reduces the collision overhead occurred in the arbitration process. STT, a Query Tr...