Relevance-Promoting Language Model for Short-Text Conversation.
Xin LiPiji LiWei BiXiaojiang LiuWai LamPublished in: CoRR (2019)
Keyphrases
- language model
- short text
- test collection
- information retrieval
- language modeling
- relevance model
- short text classification
- n gram
- retrieval model
- document retrieval
- statistical language modeling
- probabilistic model
- query expansion
- topic detection
- pseudo relevance feedback
- query terms
- retrieval effectiveness
- natural language
- retrieved documents
- ranked list
- smoothing methods
- vector space model
- document level
- retrieval systems
- co occurrence
- relevance feedback