科研之友
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摘要
the automated catalogue is metaphorically one of the bibliographical information retrieval instruments. this catalog at present is under a process of adaptation to new conceptual models as the one proposed by the ifla in 1998: functional requirements for bibliographic records. some catalogs - austlit gateway, virtua, libdb and redlightgreen - that are under the process of adapting their structures to this model are analyzed in detail to evaluate to what extent it contributes to solve their current deficiencies. the above mentioned model is explained and its entities are defined. the introduction of the proposed model in the on-line catalogues is an important advance regarding a better and more effective retrieval of the information they contain.
