Question Analysis and Answer Passage Retrieval for Opinion Question Answering Systems.

Lun-Wei Ku Yu-Ting Liang Hsin-Hsi Chen

Published in: ROCLING (2007)

Keyphrases

question answering systems
question answering
passage retrieval
question classification
natural language
answering questions
information retrieval systems
candidate answers
information retrieval
document retrieval
search engine
information extraction
data retrieval
audio visual
qa systems
free text
language model