1042 search results - page 18 / 209 » Constraint Databases, Data Structures and Efficient Query Ev... |
DASFAA
2010
IEEE
13 years 11 months ago
2010
IEEE
Abstract. Continuous monitoring of spatial queries has received significant research attention in the past few years. In this paper, we propose two efficient algorithms for the con...
DASFAA
2008
IEEE
14 years 2 months ago
2008
IEEE
Many Web sources provide forms to allow users to query their hidden data. For instance, online stores such as Amazon.com have search interfaces, using which users can query informa...
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
Abstract-- Inverted files have been very successful for document retrieval, but sponsored search is different. Inverted files are designed to find documents that match the query (a...
ICDE
2001
IEEE
14 years 9 months ago
2001
IEEE
We describe efficient algorithms for accurately estimating the number of matches of a small node-labeled tree, i.e., a twig, in a large node-labeled tree, using a summary data str...
CIKM
2009
Springer
13 years 11 months ago
2009
Springer
Current approaches to RDF graph indexing suffer from weak data locality, i.e., information regarding a piece of data appears in multiple locations, spanning multiple data structur...