The Okapi system comprises a search engine or basic search system (BSS), a low level interface used mainly for batch runs and a user interface for the manual search experiments, together with data conversion and inversion utilities. This paper reports on City University’s work on the TREC-2 project from its commencement up to November 1993. It includes many results which were obtained after the August 1993 deadline for submission of official results.<\/p>\n","protected":false},"excerpt":{"rendered":"
The Okapi system comprises a search engine or basic search system (BSS), a low level interface used mainly for batch runs and a user interface for the manual search experiments, together with data conversion and inversion utilities. This paper reports on City University’s work on the TREC-2 project from its commencement up to November 1993. […]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"_classifai_error":"","msr-author-ordering":[{"type":"user_nicename","value":"ser"},{"type":"text","value":"S. Walker"},{"type":"text","value":"S. Jones"},{"type":"text","value":"M. M. Hancock-Beaulieu"},{"type":"text","value":"M. 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