Improving Search for Text
Natural-language queries
This is the AskJeeves model on steroids
Applied more narrowly in certain fields, e.g. finance
and investing: http://www.iphrase.com
Understand the user � keywords, phrases, sentences,
and extended prose including e-mails and IM sessions.
But these can be incomplete, obscure, or �dirty� (e.g.,
misspellings)