A Graph-based Semi-Supervised Learning for Question-Answering.

Asli Celikyilmaz Marcus Thint Zhiheng Huang

Published in: ACL/IJCNLP (2009)

Keyphrases

question answering
graph based semi supervised learning
semi supervised learning
graph construction
label propagation
semi supervised
information retrieval

information extraction
natural language processing
named entities
relation extraction
syntactic information
passage retrieval
natural language

machine learning
natural language questions
question answering systems
question classification
text categorization
knowledge representation
unlabeled data

dimensionality reduction
qa systems
pairwise
labeled data
unsupervised learning
active learning
reinforcement learning