61 search results - page 7 / 13 » Query Rewriting Algorithm Evaluation for XML Security Views |
VLDB
2004
ACM
14 years 1 days ago
2004
ACM
XML languages, such as XQuery, XSLT and SQL/XML, employ XPath as the search and extraction language. XPath expressions often define complicated navigation, resulting in expensive...
PODS
2008
ACM
14 years 6 months ago
2008
ACM
We present a formal framework for capturing the provenance of data appearing in XQuery views of XML. Building on previous work on relations and their (positive) query languages, w...
CIKM
2003
Springer
13 years 12 months ago
2003
Springer
There have been several techniques proposed for building statistics for static XML data. However, very little work has been done in the area of building XML statistics for data so...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
Emerging applications such as personalized portals, enterprise search and web integration systems often require keyword search over semi-structured views. However, traditional inf...
VLDB
2004
ACM
14 years 1 days ago
2004
ACM
This paper presents a novel and complementary technique to optimize an XPath query by minimizing its wildcard steps. Our approach is based on using a general composite axis called...