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117
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TPHOL
2009
IEEE
15 years 7 months ago
A Formalisation of Smallfoot in HOL
In this paper a general framework for separation logic inside the HOL theorem prover is presented. This framework is based on Abeparation Logic. It contains a model of an abstract,...
Thomas Tuerk
137
Voted
DATESO
2006
148views Database» more  DATESO 2006»
15 years 2 months ago
Conceptual Modeling for XML: A Survey
Recently XML is the standard format used for the exchange of data between information systems and is also frequently applied as a logical database model. If we use XML as a logical...
Martin Necasky
LICS
2009
IEEE
15 years 7 months ago
Logics with Rank Operators
—We introduce extensions of first-order logic (FO) and fixed-point logic (FP) with operators that compute the rank of a definable matrix. These operators are generalizations o...
Anuj Dawar, Martin Grohe, Bjarki Holm, Bastian Lau...
PRICAI
2000
Springer
15 years 4 months ago
Extracting Logical Schema from the Web
One of the main limitations when accessing the web is the lack of explicit structure, whose presence may help in understanding data semantics. Schema for web data can be constructe...
Vincenza Carchiolo, Alessandro Longheu, Michele Ma...
113
Voted
SEBD
2007
121views Database» more  SEBD 2007»
15 years 2 months ago
Query Answering in Expressive Variants of DL-Lite
The use of ontologies in various application domains, such as Data Integration, the Semantic Web, or ontology-based data management, where ontologies provide the access to large am...
Alessandro Artale, Diego Calvanese, Roman Kontchak...