332 search results - page 17 / 67 » Query Caching and View Selection for XML Databases |
DBPL
2009
Springer
14 years 1 months ago
2009
Springer
In this paper, we revisit the view based security framework for XML without imposing any of the previously considered restrictions on the class of queries, the class of DTDs, and t...
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...
ADBIS
2005
Springer
14 years 8 days ago
2005
Springer
XQuery is widely used for querying XML documents. Within this paper, we examine optimization rules for XQuery queries that exploit type information of the input XML document given ...
ADBIS
2004
Springer
14 years 4 days ago
2004
Springer
In this paper we describe a prototype implementation of updateable views called “SBQL Views”. The prototype follows a novel approach to view updates based on the Stack-Based Ap...
DEXA
2003
Springer
13 years 12 months ago
2003
Springer
Abstract. We developed the Nested Relational Sequence Database System (NRSD System), which is built upon the Nested Relational Sequence Model (NRSM). The NRSM eliminates a substant...