Question Typing and Passage
Retrieval for Factoid/List Q’s
• Question typing
– Leveraging our past question typology and rule-based
question typing module.
– Offline tagging of the whole TREC corpus using our
rule-based named entity tagger.
• Passage retrieval – on two sources:
– Topic-relevant document set by the document
retrieval module: NUSCHUA1 and 2.
– Definition sentences for a specific topic by the
definition generation module: NUSCHUA3
• Question-specific wrappers on definitions.