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DBA
2004
93views Database» more  DBA 2004»
15 years 7 months ago
A Query Language Solution for Fastest Flight Connections
This paper discusses how to extend the applicability of the recursive cascade update command of the Xplain query language. This command guarantees termination because cycle detect...
J. A. Bakker, J. H. ter Bekke
ENTCS
2006
101views more  ENTCS 2006»
15 years 5 months ago
Mumbo: A Rule-Based Implementation of a Run-time Program Generation Language
We describe our efforts to use rule-based programming to produce a model of Jumbo, a run-time program generation (RTPG) system for Java. Jumbo incorporates RTPG following the simp...
Baris Aktemur, Samuel N. Kamin
ENTCS
2006
139views more  ENTCS 2006»
15 years 5 months ago
Improving the Usability of a Graph Transformation Language
Model transformation tools implemented using graph transformation techniques are often expected to provide high performance. For this reason, in the Graph Rewriting and Transforma...
Attila Vizhanyo, Sandeep Neema, Feng Shi, Daniel B...
LATA
2010
Springer
15 years 4 months ago
Language-Based Comparison of Petri Nets with Black Tokens, Pure Names and Ordered Data
We apply language theory to compare the expressive power of models that extend Petri nets with features like colored tokens and/or whole place operations. Specifically, we conside...
Fernando Rosa Velardo, Giorgio Delzanno
EDBT
2006
ACM
112views Database» more  EDBT 2006»
16 years 6 months ago
Expressiveness and Performance of Full-Text Search Languages
We study the expressiveness and performance of full-text search languages. Our main motivation is to provide a formal basis for comparing such languages and to develop a model for...
Chavdar Botev, Sihem Amer-Yahia, Jayavel Shanmugas...