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Representing Temporal and Event Knowledge for QA Systems.
James Pustejovsky
Roser Saurí
José M. Castaño
Dragomir R. Radev
Robert J. Gaizauskas
Andrea Setzer
Beth Sundheim
Graham Katz
Published in:
New Directions in Question Answering (2004)
Keyphrases
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question answering
domain knowledge
knowledge base
temporal patterns
metadata
expert systems
knowledge representation
knowledge sources
text classification