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ISSTA
2004
ACM
16 years 4 days ago
Faster constraint solving with subtypes
Constraints in predicate or relational logic can be translated into boolean logic and solved with a SAT solver. For faster solving, it is common to exploit the typing of predicate...
Jonathan Edwards, Daniel Jackson, Emina Torlak, Vi...
DIAGRAMS
2004
Springer
16 years 3 days ago
Query Graphs with Cuts: Mathematical Foundations
Query graphs with cuts are inspired by Sowa’s conceptual graphs, which are in turn based on Peirce’s existential graphs. In my thesis ‘The Logic System of Concept Graphs with...
Frithjof Dau
WISE
2002
Springer
15 years 11 months ago
Towards Declarative XML Querying
How to extract data from XML documents is an important issue for XML research and development. However, how to view XML documents determines how they can be queried. In this paper...
Mengchi Liu, Tok Wang Ling
WADT
1998
Springer
15 years 11 months ago
Hierarchical Heterogeneous Specifications
We propose a definition of hierarchical heterogeneous formal specifications, where each module is specified according to its own homogeneous logic. We focus on the specification st...
Sophie Coudert, Gilles Bernot, Pascale Le Gall
PODS
1997
ACM
124views Database» more  PODS 1997»
15 years 11 months ago
Languages for Relational Databases over Interpreted Structures
We rework parts of the classical relational theory when the underlying domain is a structure with some interpreted operations that can be used in queries. We identify parts of the...
Michael Benedikt, Leonid Libkin