Iterative Relevance Feedback for Answer Passage Retrieval with Passage-level Semantic Match.
Keping BiQingyao AiW. Bruce CroftPublished in: CoRR (2018)
Keyphrases
- passage retrieval
- document retrieval
- relevance feedback
- question answering systems
- question answering
- retrieval model
- query expansion
- pseudo relevance feedback
- language model
- information retrieval
- audio visual
- low level features
- relevance model
- relevant documents
- qa systems
- natural language
- document collections
- information retrieval systems
- text retrieval
- image retrieval
- probabilistic model
- retrieval effectiveness
- language modeling
- retrieval systems
- retrieved documents
- term frequency
- high level
- semantic information
- information extraction
- natural language processing
- free text
- text mining
- query terms
- image database