Language Models and Smoothing Methods for Collections with Large Variation in Document Length.
Najeeb AbdulmutalibNorbert FuhrPublished in: DEXA Workshops (2008)
Keyphrases
- smoothing methods
- document length
- language model
- information retrieval
- language modeling
- n gram
- document retrieval
- probabilistic model
- retrieval model
- test collection
- document collections
- query expansion
- dirichlet prior
- query specific
- language modeling approaches
- context sensitive
- vector space model
- language models for information retrieval
- pseudo relevance feedback
- relevance model
- query terms
- document representation
- document ranking
- trec collections
- information extraction