Sciweavers

513 search results - page 61 / 103
» Operational and abstract semantics of the query language G-L...
Sort
View
LICS
1994
IEEE
15 years 3 months ago
A Multiple-Conclusion Meta-Logic
The theory of cut-free sequent proofs has been used to motivate and justify the design of a number of logic programming languages. Two such languages, Prolog and its linear logic ...
Dale Miller
EDBT
2009
ACM
208views Database» more  EDBT 2009»
15 years 6 months ago
Flexible and efficient querying and ranking on hyperlinked data sources
There has been an explosion of hyperlinked data in many domains, e.g., the biological Web. Expressive query languages and effective ranking techniques are required to convert this...
Ramakrishna Varadarajan, Vagelis Hristidis, Louiqa...
ESORICS
2010
Springer
15 years 6 days ago
An Authorization Framework Resilient to Policy Evaluation Failures
Abstract. In distributed computer systems, it is possible that the evaluation of an authorization policy may suffer unexpected failures, perhaps because a sub-policy cannot be eval...
Jason Crampton, Michael Huth
BIRTHDAY
2003
Springer
15 years 4 months ago
A Logic of Object-Oriented Programs
Abstract. We develop a logic for reasoning about object-oriented programs. The logic is for a language with an imperative semantics and aliasing, and accounts for self-reference in...
Martín Abadi, K. Rustan M. Leino
ESWS
2007
Springer
15 years 5 months ago
A Performance and Scalability Metric for Virtual RDF Graphs
Abstract. From a theoretical point of view, the Semantic Web is understood in terms of a stack with RDF being one of its layers. A Semantic Web application operates on the common d...
Michael Hausenblas, Wolfgang Slany, Danny Ayers