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VLDB
2007
ACM
15 years 10 months ago
2007
ACM
The performance of XML database queries can be greatly enhanced by rewriting them using materialized views. We study the problem of rewriting a query using materialized views, whe...
SCAM
2008
IEEE
15 years 4 months ago
2008
IEEE
This paper argues that semantic information encoded in natural language identifiers is a largely neglected resource for program analysis. First we show that words in Java class n...
ICFEM
2007
Springer
15 years 4 months ago
2007
Springer
We present a formal, tool-supported approach to the design and maintenance of access control policies expressed in the eXtensible Access Control Markup Language (XACML). Our aim is...
CAISE
2004
Springer
15 years 3 months ago
2004
Springer
Abstract. This paper describes the AutoMed repository and some associated tools, which provide the first implementation of the both as view (BAV) approach to data integration. Apa...
LOPSTR
2004
Springer
15 years 3 months ago
2004
Springer
We address the problem of an efficient rewriting strategy for general term rewriting systems. Several strategies have been proposed over the last two decades for rewriting, the mos...