KNOWLEDGE REPRESENTATION AND DATA CONTROL IN A FACTOGRAPHIC SYSTEM OF INFORMATION RETRIEVAL OF REACTOR MATERIAL TESTING IRMA

A. V. Ruddkevich, T. A. Temnoyeva, Yu. V. Markov
VANT. Ser. Metodiki i Programmy Chislennogo Resheniya Zadach Matematicheskoy Fiziki 1984. Вып.2. С. 57-65.

      A way of knowledge representation in a factograhic system of information retrieval is presented based on using semantic networks, indefinite values, and so- called modal functions. On the basis of the suggested approach complex objects vehavior in time is simulated, deductive derivation is given, conclusions are made concerning ability of realization of varions combinations of facts. A way of knowledge representation is described using semi-relational data base which relations are presented by disordered flat files. Time of answer retrieval for request is analysed and recomendations for its optimization are given.