WikiPassageQA: A Benchmark Collection for Research on Non-factoid Answer Passage Retrieval.
Daniel CohenLiu YangW. Bruce CroftPublished in: CoRR (2018)
Keyphrases
- passage retrieval
- question answering
- question answering systems
- document retrieval
- qa systems
- quantitative evaluation
- language model
- information retrieval
- document collections
- audio visual
- retrieval model
- query expansion
- answer extraction
- retrieval systems
- relevance model
- semantic relatedness
- natural language
- natural language processing
- syntactic information
- ground truth
- machine learning
- pseudo relevance feedback
- information extraction
- information retrieval systems
- focused retrieval
- free text
- relevant documents
- multi modal
- low level
- video sequences