793 search results - page 97 / 159 » Validity-Sensitive Querying of XML Databases |
DIWEB
2001
13 years 11 months ago
2001
XPathLog is a logic-based language for manipulating and integrating XML data. It extends the XPath query language with Prolog-style variables. Due to the close relationship with X...
SIGMOD
2007
ACM
14 years 10 months ago
2007
ACM
Querying XML effectively and efficiently using declarative languages such as XQuery and XPath has been widely studied in both academic and industrial settings. Most RDBMS vendors ...
XSYM
2004
Springer
14 years 3 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
2008
ACM
14 years 10 months ago
2008
ACM
This paper proposes several vectorial operators for processing XML twig queries, which are easy to be performed and inherently efficient for both Ancestor-Descendant (A-D) and Par...
ICDE
2008
IEEE
14 years 11 months ago
2008
IEEE
XML database systems are expected to handle increasingly complex queries over increasingly large and highly structured XML databases. An important problem that needs to be solved ...