907 search results - page 78 / 182 » Efficient Optimization of Iterative Queries |
ISMIS
1999
Springer
14 years 1 months ago
1999
Springer
Semantic Query Optimisation makes use of the semantic knowledge of a database (rules) to perform query transformation. Rules are normally learned from former queries fired by the u...
NJC
2006
13 years 9 months ago
2006
Regular tree queries (RTQs) are a class of queries considered especially relevant for the expressiveness and evaluation of XML query languages. The algorithms proposed so far for ...
GIS
2004
ACM
14 years 10 months ago
2004
ACM
The advances in wireless communication and decreasing costs of mobile devices have enabled users to access desired information at any time. Coupled with positioning technologies l...
CPM
2007
Springer
14 years 3 months ago
2007
Springer
We consider the two-dimensional Range Minimum Query problem: for a static (m × n)-matrix of size N = mn which may be preprocessed, answer on-line queries of the form “where is t...
BMCBI
2005
13 years 9 months ago
2005
Background: Alignment of RNA secondary structures is important in studying functional RNA motifs. In recent years, much progress has been made in RNA motif finding and structure a...