279 search results - page 42 / 56 » Towards Adaptive Costing of Database Access Methods |
CIKM
2005
Springer
14 years 28 days ago
2005
Springer
The method of assigning labels to the nodes of the XML tree is called a labeling scheme. Based on the labels only, both ordered and un-ordered queries can be processed without acc...
IDEAS
2002
IEEE
14 years 9 days ago
2002
IEEE
Energy saving is the most important issue in wireless mobile computing due to power constraints on mobile units. Data broadcasting is the main method of information dissemination ...
ICST
2009
IEEE
14 years 2 months ago
2009
IEEE
In this paper, we consider typical applications in which the business logic is separated from the access control logic, implemented in an independent component, called the Policy ...
ICDE
2006
IEEE
14 years 8 months ago
2006
IEEE
Given an object q, modeled by a multidimensional point, a reverse nearest neighbors (RNN) query returns the set of objects in the database that have q as their nearest neighbor. I...
CIKM
2004
Springer
14 years 24 days ago
2004
Springer
An important class of queries is the LIKE predicate in SQL. In the absence of an index, LIKE queries are subject to performance degradation. The notion of indexing on substrings (...