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» On the Construction of Ontologies based on Natural Language ...
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105
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QSIC
2005
IEEE
15 years 6 months ago
Fault-Based Testing of Database Application Programs with Conceptual Data Model
Database application programs typically contain program units that use SQL statements to manipulate records in database instances. Testing the correctness of data manipulation by ...
W. K. Chan, S. C. Cheung, T. H. Tse
138
Voted
RR
2010
Springer
14 years 11 months ago
Processing RIF and OWL2RL within DLVHEX
We present an extension of the DLVHEX system to support RIF-Core, a dialect of W3C’s Rule Interchange Format (RIF), as well as combinations of RIF-Core and OWL2RL ontologies. DLV...
Marco Marano, Philipp Obermeier, Axel Polleres
ICDE
1994
IEEE
103views Database» more  ICDE 1994»
15 years 4 months ago
A Multi-Set Extended Relational Algebra - A Formal Approach to a Practical Issue
The relational data model is based on sets of tuples, i.e. it does not allow duplicate tuples in a relation. Many database languages and systems do require multi-set place, the hi...
Paul W. P. J. Grefen, Rolf A. de By
POPL
2006
ACM
16 years 25 days ago
A fixpoint calculus for local and global program flows
We define a new fixpoint modal logic, the visibly pushdown ?-calculus (VP-?), as an extension of the modal ?-calculus. The models of this logic are execution trees of structured p...
Rajeev Alur, Swarat Chaudhuri, P. Madhusudan
154
Voted
AGP
2010
IEEE
14 years 10 months ago
Concurrent and Reactive Constraint Programming
The Italian Logic Programming community has given several contributions to the theory of Concurrent Constraint Programming. In particular, in the topics of semantics, verification,...
Maurizio Gabbrielli, Catuscia Palamidessi, Frank D...