Open-domain textual question answering techniques.

Sanda M. Harabagiu Steven J. Maiorano Marius Pasca

Published in: Nat. Lang. Eng. (2003)

Keyphrases

question answering
open domain
natural language
question answering systems
information extraction
information retrieval
natural language processing
keywords
named entities
cross language
metadata
qa clef
multimedia
free text
passage retrieval
natural language questions
expert systems
qa systems
machine learning