3 search results - page 1 / 1 » Fractional XSketch Synopses for XML Databases |
XSYM
2004
Springer
13 years 9 months ago
2004
Springer
A key step in the optimization of declarative queries over XML data is estimating the selectivity of path expressions, i.e., the number of elements reached by a specific navigatio...
VLDB
2002
ACM
13 years 4 months ago
2002
ACM
All existing proposals for querying XML (e.g., XQuery) rely on a pattern-specification language that allows (1) path navigation and branching through the label structure of the XM...
ICDE
2004
IEEE
14 years 5 months ago
2004
IEEE
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...