A relational model of data for large shared data banks
Communications of the ACM
A network-based knowledge representation and its natural deduction system
IJCAI'77 Proceedings of the 5th international joint conference on Artificial intelligence - Volume 1
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The research which I shall outline here, and which is fully described in [2], is specifically directed towards the use of inference for fact retrieval in data base systems. Its principal point of contact with natural language input is through the choice of a query language, which is a subset of that used so successfully in the LUNAR system [4]. As such, this query language is a highly appropriate target for a natural language front end to a retrieval system.