21 search results - page 3 / 5 » Path summaries and path partitioning in modern XML databases |
VLDB
2002
ACM
13 years 5 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...
SIGMOD
2002
ACM
14 years 6 months ago
2002
ACM
In this paper, we ask if the traditional relational query acceleration techniques of summary tables and covering indexes have analogs for branching path expression queries over tr...
XSYM
2004
Springer
13 years 11 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...
WWW
2006
ACM
14 years 7 months ago
2006
ACM
An XML range query may impose predicates on the numerical or textual contents of the elements and/or their respective path structures. In order to handle content and structure ran...
DASFAA
2009
IEEE
13 years 10 months ago
2009
IEEE
We investigate the expressiveness of existing XML keyword search semantics and propose Meaningful Connected Network (MCN) as a new semantics to capture meaningful relationships of ...