418 search results - page 62 / 84 » Query Optimization by Simulated Annealing |
VLDB
2002
ACM
14 years 8 months ago
2002
ACM
: Purpose ? Tree pattern is at the core of XML queries. The tree patterns in XML queries typically contain redundancies, especially when broad integrity constraints (ICs) are prese...
QEST
2006
IEEE
14 years 1 months ago
2006
IEEE
One of the fundamental decisions in content networks is how the information about the existing contents is deployed and accessed. In particular, in many content network architectu...
AINA
2008
IEEE
14 years 2 months ago
2008
IEEE
This paper shows that the performance of peer-to-peer resource discovery algorithms is upper bounded by a k-Steiner minimum tree and proposes an algorithm locating near-optimal qu...
ICDCS
2005
IEEE
14 years 1 months ago
2005
IEEE
Database queries, in particular, event-driven continuous queries, are useful for many pervasive computing applications, such as video surveillance. In order to enable these applic...
MOBIHOC
2003
ACM
14 years 7 months ago
2003
ACM
Spatial query execution is an essential functionality of a sensor network, where a query gathers sensor data within a specific geographic region. Redundancy within a sensor networ...