User-responsive subject control in bibliographic retrieval systems

摘要: A study was carried out of [1] the relationship between vocabulary user queries and documents relevant to queries, [2] value adding document description record in a retrieval system keywords from previous for which had proven useful. Two test databases incorporating query were implemented at School Library Information Science, University Western Ontario. Clustering via little keywords, statistical analysis title-user keyword co-occurrences, tests used examine effect added keywords. Results showed impracticality procedure an operational setting, but indicated analyses with sample data development maintenance dictionaries thesauri.