The influence of Semantic Roles in QA: A comparative analysis.

Paloma Moreda Hector Llorens Estela Saquete Manuel Palomar

Published in: Proces. del Leng. Natural (2008)

Keyphrases

semantic roles
question answering
answer extraction
semantic role labeling
semantic parsing
information retrieval
natural language processing
information extraction
semantic relations
relation extraction
word sense disambiguation
natural language
expert systems
named entities
dependency parsing