Conceptual structures: information processing in mind and machine
Conceptual structures: information processing in mind and machine
A skeptical theory of inheritance in nonmonotonic semantic networks
Artificial Intelligence
A description classifier for the predicate calculus
AAAI '94 Proceedings of the twelfth national conference on Artificial intelligence (vol. 1)
Building a large-scale knowledge base for machine translation
AAAI '94 Proceedings of the twelfth national conference on Artificial intelligence (vol. 1)
OKBC: a programmatic foundation for knowledge base interoperability
AAAI '98/IAAI '98 Proceedings of the fifteenth national/tenth conference on Artificial intelligence/Innovative applications of artificial intelligence
Building Large Knowledge-Based Systems; Representation and Inference in the Cyc Project
Building Large Knowledge-Based Systems; Representation and Inference in the Cyc Project
Massively Parallel Support for Case-Based Planning
IEEE Expert: Intelligent Systems and Their Applications
Efficient management of very large ontologies
AAAI'97/IAAI'97 Proceedings of the fourteenth national conference on artificial intelligence and ninth conference on Innovative applications of artificial intelligence
Efficient transitive closure reasoning in a combined class/part/containment hierarchy
Knowledge and Information Systems
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In this paper we discuss a system which uses an ontology to provide access to, and loading from, a medical database system. The "pure" ontological information is used to define which individuals in the database are of interest for further analysis. The system then loads the information about these individuals into a "hybrid" ontology, one which ties the specific instances to the more general ontology. To support the large ontologies needed in this application (and a number of others), we use Parka-DB, a scalable ontology management system that uses relational database techniques to provide many desirable operational features.