Discriminative Language Model via Self-Teaching for Dense Retrieval.
Lu ChenRuqing ZhangJiafeng GuoYixing FanXueqi ChengPublished in: CIKM (2022)
Keyphrases
- language model
- retrieval model
- document retrieval
- ad hoc information retrieval
- query expansion
- language modeling
- test collection
- information retrieval
- query terms
- smoothing methods
- language models for information retrieval
- statistical language models
- document ranking
- document length
- n gram
- cross language retrieval
- web page retrieval
- relevance model
- trec test collections
- speech recognition
- query specific
- jelinek mercer
- text retrieval
- retrieval effectiveness
- probabilistic model
- language modelling
- context sensitive
- ir models
- vector space model
- pseudo feedback
- okapi bm
- feature selection
- image retrieval
- document level
- inter document similarities
- information retrieval systems
- unsupervised learning
- statistical language modeling
- relevance feedback
- retrieval systems
- relevant documents
- pseudo relevance feedback
- mixture model
- average precision
- term frequency
- translation model
- text categorization
- term weighting
- expectation maximization
- text classification
- semi supervised
- word clouds
- original query