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  • The title is often automatically extracted from document metadata. What about the summaries?

    • This description is crucial.

    • User can identify good/relevant hits based on description.

  • Two basic kinds:

    • Static

    • Dynamic

  • A static summary of a document is always the same, regardless of the query that hit the doc

  • A dynamic summary is a query-dependent attempt to explain why the document was retrieved for the query at hand

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