id author title date pages extension mime words sentences flesch summary cache txt work_nly7uohk4zhazoek6ggf6d6laa Danny C.C. Poo Design and implementation of the E-referencer 2000 32 .pdf application/pdf 8495 865 66 reformulation strategies that it selects and implements to help users retrieve relevant records. E-Referencer is a web-based interface to online catalogs that is being developed as a tool to test and that the E-Referencer can be used as an effective searching tool for all online catalog users. library systems, and the Java Expert System Shell (JESS) [2] to implement the knowledge base of the The E-Referencer processes a user's natural language query, selects a suitable search strategy and • Introduction of 'best match' or statistically-based search systems that incorporate numericallybased algorithms for estimating the relevance of documents to the users' query. In order to help current users of library online catalogs search more effectively, the knowledge-based knowledge of formulation and reformulation rules has been implemented as search strategies in the Ec. The OCLC Z39.50 Client API provides functionality for connecting to, searching and retrieving ./cache/work_nly7uohk4zhazoek6ggf6d6laa.pdf ./txt/work_nly7uohk4zhazoek6ggf6d6laa.txt