Language Model Document Priors based on Citation and Co-citation Analysis.
Haozhen ZhaoXiaohua HuPublished in: BIR@ECIR (2014)
Keyphrases
- citation analysis
- language model
- information retrieval
- document retrieval
- document ranking
- ad hoc information retrieval
- document length
- dirichlet prior
- language modeling
- query terms
- vector space model
- document level
- word clouds
- test collection
- query expansion
- retrieval model
- n gram
- probabilistic model
- relevance model
- query specific
- pseudo feedback
- relevant documents
- probabilistic retrieval models
- jelinek mercer
- smoothing methods
- term dependencies
- retrieval systems
- information retrieval systems
- language model for information retrieval
- language modeling framework
- pseudo relevance feedback
- context sensitive
- mixture model
- retrieval effectiveness
- text documents
- term frequency
- document collections
- retrieved documents
- citation networks
- bayesian framework
- prior information
- inter document similarities
- web documents
- tf idf
- user queries
- search engine