Computer storage and retrieval of generic chemical structures in patents. 12. Principles of search operations involving parameter lists: matching-relations, user-defined match levels, and transition from the reduced graph search to the refined search - Dethlefsen, Winfried; Lynch, Michael F; Gillet, Valerie J; Downs, Geoffrey M; Holliday, John D; Barnard, John M (Journal of chemical information and computer sciences, 1991)
Keywords: Chemistry; Computerised information retrieval; Computerized information storage and retrieval; Computerized subject indexing; Extended Connection Table Representation; Information storage and retrieval; Information work; Searching; Structures; Subject indexing