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» An Inference Mechanism for Point-Interval Logic
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AAAI
2006
13 years 10 months ago
Characterizing Data Complexity for Conjunctive Query Answering in Expressive Description Logics
Description Logics (DLs) are the formal foundations of the standard web ontology languages OWL-DL and OWL-Lite. In the Semantic Web and other domains, ontologies are increasingly ...
Magdalena Ortiz, Diego Calvanese, Thomas Eiter
NECO
2008
116views more  NECO 2008»
13 years 8 months ago
A (Somewhat) New Solution to the Variable Binding Problem
To perform automatic, unconscious inference, the human brain must solve the "binding problem" by correctly grouping properties with objects. Temporal binding models like...
Leon Barrett, Jerome Feldman, Liam Mac Dermed
FSTTCS
1999
Springer
14 years 24 days ago
A Foundation for Hybrid Knowledge Bases
Abstract. Hybrid knowledge bases (HKB’s) [11] were developed to provide formal models for the mediation of data and knowledge bases [14,15]. They are based on Generalized Annotat...
James J. Lu, Neil V. Murray, Erik Rosenthal
PEPM
2009
ACM
14 years 5 months ago
Bidirectional data-flow analyses, type-systematically
We show that a wide class of bidirectional data-flow analyses and program optimizations based on them admit declarative descriptions in the form of type systems. The salient feat...
Maria João Frade, Ando Saabas, Tarmo Uustal...
LOGCOM
2008
94views more  LOGCOM 2008»
13 years 8 months ago
Preservation of Interpolation Features by Fibring
Fibring is a metalogical constructor that permits to combine different logics by operating on their deductive systems under certain natural restrictions, as for example that the t...
Walter Alexandre Carnielli, João Rasga, Cri...