Improving Contextual Language Models for Response Retrieval in Multi-Turn Conversation.
Junyu LuXiancong RenYazhou RenAo LiuZenglin XuPublished in: SIGIR (2020)
Keyphrases
- language model
- retrieval model
- document retrieval
- test collection
- query expansion
- information retrieval
- language models for information retrieval
- ad hoc information retrieval
- language modeling
- context sensitive
- statistical language models
- query terms
- document length
- smoothing methods
- query generation
- document ranking
- relevance model
- okapi bm
- cross language retrieval
- probabilistic model
- language modelling
- speech recognition
- n gram
- passage retrieval
- query specific
- retrieval effectiveness
- document level
- ir models
- text retrieval
- pseudo relevance feedback
- vector space model
- ad hoc retrieval
- term frequency
- translation model
- pseudo feedback
- term dependencies
- retrieval systems
- retrieval accuracy
- statistical language modeling
- inter document similarities
- natural language
- out of vocabulary
- retrieval process
- context dependent
- information retrieval systems
- web search
- expert finding
- relevant documents
- language model for information retrieval