A dictionary based on concept coherence
Artificial Intelligence
Generating English discourse from semantic networks
Communications of the ACM
Transition network grammars for natural language analysis
Communications of the ACM
Understanding Natural Language
Understanding Natural Language
Introduction to Modern Information Retrieval
Introduction to Modern Information Retrieval
Language As a Cognitive Process: Syntax
Language As a Cognitive Process: Syntax
Experiments on incorporating syntactic processing of user queries into a document retrieval strategy
SIGIR '88 Proceedings of the 11th annual international ACM SIGIR conference on Research and development in information retrieval
On the application of syntactic methodologies in automatic text analysis
SIGIR '89 Proceedings of the 12th annual international ACM SIGIR conference on Research and development in information retrieval
A syntactically-based query reformulation technique for information retrieval
Information Processing and Management: an International Journal
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This paper describes a possible use of Artificial Intelligence models and techniques in the design of a small Information Retrieval system. In particular, some knowledge representation models, such as semantic networks and frame-like structures, are viewed as interesting tools for the implementation of a thesaurus, and also for a description of the stored documents' contents. In addition, a parser based on the ATN (Augmented Transition Network) model which can analyze Italian sentences concerning a legal domain is described. We are including it in an user/system interface whose goal is to provide the user with the possibility of expressing search topics by using noun phrases or other linguistic expressions, rather than single words or Boolean combinations of them. Finally, some tasks requiring automated reasoning facilities are outlined. The Kernel of the system, i.e. the component which both performs traditional information retrieval and allows the insertion of new documents, is described in an appendix. It was first applied to a bibliographic database containing about a thousand references (with abstracts) of both papers and books concerned with Artificial Intelligence; now we are working on its application to a legal domain, with a database of laws, decrees and sentences concerning pollution and environmental protection.