281 search results - page 21 / 57 » Querying the Guarded Fragment |
WEBDB
2004
Springer
15 years 3 months ago
2004
Springer
On the Web, there is a pervasive use of XML to give lightweight semantics to textual collections. Such documentcentric XML collections require a query language that can gracefully...
FOSSACS
2009
Springer
15 years 5 months ago
2009
Springer
Standard analysis on recursive data structures restrict their attention to shape properties (for instance, a program that manipulates a list returns a list), excluding properties t...
111
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JAPLL
2007
14 years 10 months ago
2007
We extend answer set programming (ASP) with, possibly infinite, open domains. Since this leads to undecidable reasoning, we restrict the syntax of programs, while carefully guard...
EDBT
2009
ACM
15 years 2 months ago
2009
ACM
In a database system, disclosure of confidential private data may occur if users can put together the answers of past queries. Traditional access control mechanisms cannot guard a...
122
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DOCENG
2004
ACM
15 years 3 months ago
2004
ACM
With the wide adoption of XML as a standard data representation and exchange format, querying XML documents becomes increasingly important. However, relational database systems co...