Context-Aware Term Weighting For First Stage Passage Retrieval.
Zhuyun DaiJamie CallanPublished in: SIGIR (2020)
Keyphrases
- context aware
- term weighting
- passage retrieval
- retrieval systems
- information retrieval
- language modeling
- retrieval model
- language model
- document retrieval
- question answering
- term frequency
- text retrieval
- query expansion
- contextual information
- vector space model
- tf idf
- query terms
- information retrieval systems
- text categorization
- audio visual
- mobile devices
- test collection
- retrieval effectiveness
- probabilistic model
- relevance model
- document collections
- average precision
- search engine
- image representation
- text mining
- semantic information
- ranked list
- natural language processing
- relevance feedback
- pseudo relevance feedback
- learning algorithm