The TREC-8 Tasks

• Ad hoc

  • final year in 3-year effort to create a single test collection with many topics (150)

• Tracks

  • taken together, the bulk of the work in TREC
  • QA and web tracks introduced
  • five continuing tracks
    • cross-language, filtering, interactive, query, SDR
    • all used same basic task as was used in TREC-7

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