Identifying the original contribution of a document via language modeling.
Benyah ShaparenkoThorsten JoachimsPublished in: SIGIR (2009)
Keyphrases
- language modeling
- language model
- information retrieval
- document length
- retrieval model
- language modeling approaches
- improvements in retrieval effectiveness
- query expansion
- document retrieval
- language modeling framework
- term weighting schemes
- cross lingual
- pseudo feedback
- term weighting
- relevance model
- document language models
- information retrieval systems
- document ranking
- query terms
- probabilistic model
- n gram
- relevant documents
- ad hoc information retrieval
- vector space model
- document collections
- term dependencies
- text classification
- term frequency
- retrieval systems
- document representation
- mixture model
- document images
- trec collections
- keywords
- word segmentation
- document analysis
- tf idf
- query specific
- test collection
- relevance feedback
- retrieval effectiveness
- statistical language modeling
- document clustering
- text documents