508 search results - page 36 / 102 » Bringing Order to Query Optimization |
TKDE
2011
12 years 11 months ago
2011
Given a positive value r, a distance based range query returns the objects that lie within the distance r of the query location.
In this paper, we focus on the distance based rang...
WWW
2007
ACM
14 years 8 months ago
2007
ACM
Search queries applied to extract relevant information from the World Wide Web over a period of time may be denoted as continuous search queries. The improvement of continuous sea...
ICALP
2005
Springer
14 years 1 months ago
2005
Springer
Given two rooted, ordered, and labeled trees P and T the tree inclusion problem is to determine if P can be obtained from T by deleting nodes in T. This problem has recently been r...
CIDR
2009
13 years 8 months ago
2009
In database query processing, actual run-time conditions (e.g., actual selectivities and actual available memory) very often differ from compile-time expectations of run-time cond...
JCP
2008
13 years 7 months ago
2008
In sensor networks, continuous query is commonly used for collecting periodical data from the objects under monitoring. This sort of queries needs to be carefully designed, in orde...