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» An RDF Query Language based on Logic Programming
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ERSHOV
1999
Springer
15 years 2 months ago
Extensions: A Technique for Structuring Functional-Logic Programs
Abstract. Monads are a technique widely used in functional programming languages to address many different problems. This paper presents extensions, a functional-logic programming...
Rafael Caballero, Francisco Javier López-Fr...
SIGMOD
2009
ACM
201views Database» more  SIGMOD 2009»
15 years 10 months ago
Cost based plan selection for xpath
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
Haris Georgiadis, Minas Charalambides, Vasilis Vas...
PPDP
1999
Springer
15 years 2 months ago
Localizing and Explaining Reasons for Non-terminating Logic Programs with Failure-Slices
We present a slicing approach for analyzing logic programs with respect to non-termination. The notion of a failure-slice is presented which is an executable reduced fragment of th...
Ulrich Neumerkel, Frédéric Mesnard
DAGSTUHL
1993
14 years 11 months ago
Syntax and Semantics of Hybrid Database Languages
Abstract. We present the hybrid query language HQL/EER for an Extended Entity-Relationship model. As its main characteristic, this language allows a user to freely mix graphical an...
Marc Andries, Gregor Engels
BDA
2007
14 years 11 months ago
Pattern by Example: type-driven visual programming of XML queries
We present Pattern-by-Example (PBE), a graphical language that allows users with little or no knowledge of pattern-matching and functional programming to define complex and optim...
Véronique Benzaken, Giuseppe Castagna, Dari...