Deconstructing nuggets: the stability and reliability of complex question answering evaluation.

Jimmy Lin Pengyi Zhang

Published in: SIGIR (2007)

Keyphrases

question answering
information retrieval
information extraction
natural language processing
cross language
natural language questions

natural language
syntactic information
sentence retrieval
question answering systems
passage retrieval
question classification

qa clef
textual entailment recognition
named entities
open domain question answering
artificial intelligence
qa systems

knowledge base
candidate answers
semantic roles
evaluation methodology
answer validation
evaluation method