Automatic ad hoc and web track. Three ad hoc runs were submitted: long (title, description and narrative), medium (title and description) and short.

PDF | On Jan 1, 1999, Stephen E. Robertson and others published Okapi/keenbow at trec-8 | Find, read and cite all the research you need on ResearchGate.

Okapi/Keenbow at TREC-8. Stephen Robertson ,; S. Walker. The Eighth Text REtrieval Conference (TREC-8) | January 2000. Published by Gaithersburg, MD: NIST.

This includes accounting for SGML tags in the original documents, performing sentence detection, tokenization, noun phrase detection, and named-entity ...

Aug 1, 2000 · Adobe Portable Document Format (PDF) file Okapi/Keenbow at TREC-8, page 151 S.E. Robertson (Microsoft Research Ltd., UK & City University ...

Okapi weights are used to provide an initial ranking of passages. Queries are then expanded using an LCA-like procedure based on top- ranking passages. The ...

Okapi/keenbow at trec-8 ; Material type: 記事 ; Author: ROBERTSON S. E. ; Publisher: - ; Publication date: 2000 ; Material Format. -.

Oct 5, 2000 · Index of TREC-8 Papers by Task/Track ; City University/Microsoft · Okapi/Keenbow at TREC-8, page ; DSO National Laboratories, Singapore · DSO at ...

Okapi/Keenbow at TREC-8. view. electronic edition @ nist.gov (open access); no ... Interactive Okapi at Sheffield - TREC-8. view. electronic edition ...

Dec 15, 2013 · Okapi BM25, or BM25, is a weighting function used to rank documents according to their relevance to a given query [12]. Many researchers apply ...