1004 search results - page 5 / 201 » Safe Constraint Queries |
ADBIS
2004
Springer
14 years 27 days ago
2004
Springer
Web caching keeps single Web objects ready somewhere in caches in the user-to-server path, whereas database caching uses fullfledged database management systems as caches to adapt...
HASE
2005
IEEE
14 years 1 months ago
2005
IEEE
We propose an approach to analyse the safety of avionic systems that takes into account the impact of computation and communication resource sharing. The approach is made of three...
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...
ERSHOV
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. We consider the problem of query containment for conjunctive queries with safe negation property. A necessary and sufficient condition for two queries to be in containmen...
ACTA
2006
13 years 7 months ago
2006
Abstract Selectivity estimation of a boolean query based on frequent itemsets can be solved by describing the problem by a linear program. However, the number of variables in the e...