Identifying the Original Contribution of a Document via Language Modeling.
Benyah ShaparenkoThorsten JoachimsPublished in: ECML/PKDD (2) (2009)
Keyphrases
- language modeling
- language model
- information retrieval
- document length
- retrieval model
- language modeling approaches
- improvements in retrieval effectiveness
- query expansion
- document retrieval
- term weighting schemes
- document language models
- language modeling framework
- information retrieval systems
- pseudo feedback
- cross lingual
- relevance model
- n gram
- term weighting
- retrieval systems
- vector space model
- term frequency
- document representation
- query terms
- document collections
- ad hoc information retrieval
- probabilistic model
- tf idf
- relevant documents
- web documents
- document ranking
- term dependencies
- retrieval effectiveness
- sentence retrieval
- metadata
- trec collections
- document clustering
- test collection
- text classification
- retrieved documents
- statistical language modeling
- web search
- keywords
- jelinek mercer