Hidden Markov Model for Term Weighting in Verbose Queries.
Xueliang YanGuanglai GaoXiangdong SuHongxi WeiXueliang ZhangQianqian LuPublished in: CLEF (2012)
Keyphrases
- hidden markov models
- term weighting
- query terms
- information retrieval
- text retrieval
- tf idf
- text categorization
- language modeling
- term frequency
- retrieval systems
- retrieval model
- vector space model
- language model
- information retrieval systems
- document retrieval
- feature selection
- document collections
- retrieval effectiveness
- query expansion
- unsupervised learning
- text classification
- data mining