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» An RDF Query Language based on Logic Programming
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111
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ERSHOV
1999
Springer
15 years 7 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...
213
Voted
SIGMOD
2009
ACM
201views Database» more  SIGMOD 2009»
16 years 2 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 6 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
15 years 4 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
127
Voted
BDA
2007
15 years 4 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...