3225 search results - page 35 / 645 » Query Optimization by Stored Queries |
DLOG
2010
13 years 6 months ago
2010
We develop a query algebra that supports efficient assertion retrieval--a natural extension of instance retrieval. The algebra is based on previously developed techniques for index...
ADBIS
2005
Springer
14 years 2 months ago
2005
Springer
XQuery is widely used for querying XML documents. Within this paper, we examine optimization rules for XQuery queries that exploit type information of the input XML document given ...
SSDBM
2010
IEEE
14 years 1 months ago
2010
IEEE
Many applications require to determine the k-nearest neighbors for multiple query points simultaneously. This task is known as all-(k)-nearest-neighbor (AkNN) query. In this paper,...
SIGMOD
2005
ACM
14 years 8 months ago
2005
ACM
With XQuery becoming the standard language for querying XML, and the relational SQL platform being recognized as an important platform to store and process XML, the SQL/XML standa...
PVLDB
2010
13 years 7 months ago
2010
Range queries based on L1 distance are a common type of queries in multimedia databases containing feature vectors. We propose a novel approach that transforms the feature space i...