Unsupervised query segmentation using generative language models and wikipedia.
Bin TanFuchun PengPublished in: WWW (2008)
Keyphrases
- language model
- query expansion
- query terms
- query specific
- language modeling
- document ranking
- language modeling framework
- term dependencies
- relevance model
- document retrieval
- statistical language modeling
- document length
- probabilistic model
- pseudo feedback
- spoken term detection
- n gram
- query processing
- retrieval model
- document representation
- information retrieval
- statistical language models
- word segmentation
- user queries
- speech recognition
- unsupervised learning
- retrieval effectiveness
- original query
- smoothing methods
- vector space model
- pseudo relevance feedback
- relevance feedback
- search queries
- test collection
- inter document similarities
- generative model
- language modelling
- ad hoc information retrieval
- document collections
- sentence retrieval
- entity ranking
- passage retrieval
- retrieval systems
- vector space
- okapi bm
- text retrieval
- language models for information retrieval
- search engine
- relevant documents
- retrieved documents
- document structure
- wordnet
- web search
- wikipedia articles