315 search results - page 48 / 63 » An Overview of Query Optimization in Relational Systems |
PODS
2010
ACM
14 years 17 days ago
2010
ACM
Cardinality estimation is the problem of estimating the number of tuples returned by a query; it is a fundamentally important task in data management, used in query optimization, ...
CIKM
2011
Springer
12 years 7 months ago
2011
Springer
A fundamental problem related to RDF query processing is selectivity estimation, which is crucial to query optimization for determining a join order of RDF triple patterns. In thi...
DASFAA
2006
IEEE
14 years 1 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 ...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...
COCO
2003
Springer
14 years 22 days ago
2003
Springer
We consider a fundamental problem in data structures, static predecessor searching: Given a subset S of size n from the universe [m], store S so that queries of the form “What i...