A Close-to-linear Topic Detection Algorithm using Relative Entropy based Relevance Model and Inverted Indices Retrieval.
Steve Kansheng ShiLemin LiPublished in: Int. J. Comput. Intell. Syst. (2012)
Keyphrases
- detection algorithm
- relevance model
- topic models
- language modeling
- query expansion
- language model
- relevance feedback
- expert finding
- pseudo relevance feedback
- document retrieval
- query topic
- information retrieval systems
- image database
- moving objects
- document ranking
- vector space model
- context dependent
- information retrieval
- retrieval model
- query terms
- topic modeling
- harris corner
- retrieval systems
- co occurrence
- image retrieval
- keywords
- three dimensional
- image annotation
- web search
- probabilistic model