995 search results - page 145 / 199 » Optimization of Complex Nested Queries in Relational Databas... |
131
click to vote
VLDB
2005
ACM
15 years 7 months ago
2005
ACM
Devising a scheme for efficient and scalable querying of Resource Description Framework (RDF) data has been an active area of current research. However, most approaches define new...
120
Voted
CIKM
2011
Springer
14 years 1 months ago
2011
Springer
A growing number of applications are built on top of search engines and issue complex structured queries. This paper contributes a customisable ranking-based processing of such qu...
111
click to vote
DASFAA
2006
IEEE
15 years 8 months ago
2006
IEEE
When hosting XML information on relational backends, a mapping has to be established between the schemas of the information source and the target storage repositories. A rich body ...
118
click to vote
ICDE
2010
IEEE
16 years 1 months ago
2010
IEEE
Abstract-Unstructured text represents a large fraction of the world's data. It often contain snippets of structured information within them (e.g., people's names and zip ...
102
click to vote
GIS
1999
ACM
15 years 6 months ago
1999
ACM
: The paper is concerned with the effective and efficient processing of spatiotemporal selection queries under varying degrees of approximation. Such queries may employ operators l...