Evaluation Corpus Test collections consisting of documents, queries, and relevance judgments, e. g. CACM: Titles and abstracts from the communications of the acm from 1958-1979. Queries and relevance judgments generated by computer scientists. AP: Associated press newswire documents from 1988 1900 ( from tREC disks 1-3 ). Queries are the title fields from TREC topics 51-150 Topics and relevance judgments generated by government information analysts. GOV2: Web pages crawled from websites in the. gov domain during early 2004. Queries are the title fields from TREC topics 701-850 Topics and relevance judgments generated by government analysts 7/NEvaluation Corpus • Test collections consisting of documents, queries, and relevance judgments, e.g., – CACM: Titles and abstracts from the Communications of the ACM from 1958-1979. Queries and relevance judgments generated by computer scientists. – AP: Associated Press newswire documents from 1988- 1900 (from TREC disks 1-3). Queries are the title fields from TREC topics 51-150. Topics and relevance judgments generated by government information analysts. – GOV2: Web pages crawled from websites in the .gov domain during early 2004. Queries are the title fields from TREC topics 701-850. Topics and relevance judgments generated by government analysts. 7/N