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ICDE
2005
IEEE
101views Database» more  ICDE 2005»
15 years 11 months ago
Optimization of Nested XQuery Expressions with Orderby Clauses
— XQuery, the defacto XML query language, is a functional language with operational semantics, which precludes the direct application of classical query optimization techniques. ...
Song Wang, Elke A. Rundensteiner, Murali Mani
PLILP
1997
Springer
15 years 9 months ago
DrScheme: A Pedagogic Programming Environment for Scheme
Abstract. Teaching introductory computing courses with Scheme elevates the intellectual level of the course and thus makes the subject more appealing to students with scienti c int...
Robert Bruce Findler, Cormac Flanagan, Matthew Fla...
CONCUR
1992
Springer
15 years 9 months ago
On the Semantics of Petri Nets
Petri Place/Transition (PT) nets are one of the most widely used models of concurrency. However, they still lack, in our view, a satisfactory semantics: on the one hand the "...
José Meseguer, Ugo Montanari, Vladimiro Sas...
MFCS
1991
Springer
15 years 9 months ago
CCS Dynamic Bisimulation is Progressing
Weak Observational Congruence (woc) defined on CCS agents is not a bisimulation since it does not require two states reached by bisimilar computations of woc agents to be still w...
Ugo Montanari, Vladimiro Sassone
FOIS
2006
15 years 7 months ago
Formalizing Ontology Alignment and its Operations with Category Theory
An ontology alignment is the expression of relations between different ontologies. In order to view alignments independently from the language expressing ontologies and from the te...
Antoine Zimmermann, Markus Krötzsch, Jé...