Features of documents relevant to task- and fact-oriented questions.

Diane Kelly Xiaojun Yuan Nicholas J. Belkin Vanessa Murdock W. Bruce Croft

Published in: CIKM (2002)

Keyphrases

highly relevant
information retrieval
information retrieval systems
document collections
feature vectors
low level
document classification
global context
feature set
potentially relevant
textual features
correct answers
vector space
relevant documents
natural language processing
feature space
keywords