121 search results - page 1 / 25 » A General Framework for Estimating XML Query Cardinality |
DBPL
2003
Springer
13 years 10 months ago
2003
Springer
Abstract. In the context of XML data management systems, the estimation of query cardinality is becoming more and more important: the information provided by a query result estimat...
IDEAS
2008
IEEE
13 years 11 months ago
2008
IEEE
1 We propose a new framework for the summarization of XML document properties called EXsum (Element-wise XML summarization), which can capture statistical information of all import...
ICDE
2004
IEEE
14 years 6 months ago
2004
IEEE
WWW
2007
ACM
14 years 6 months ago
2007
ACM
Most RDF query languages allow for graph structure search through a conjunction of triples which is typically processed using join operations. A key factor in optimizing joins is ...
PODS
2010
ACM
13 years 10 months 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, ...