Relevance
In what ways can a document be relevant to a query?
- Answer precise question precisely.
- Who is buried in grant’s tomb? Grant.
- Partially answer question.
- Where is Danville? Near Walnut Creek.
- Suggest a source for more information.
- What is lymphodema? Look it up in medline.
- Give background information.
- Remind the user of other knowledge.
- Others ...