Using Two-Stage Concept-Based Singular Value Decomposition Technique as a Query Expansion Strategy.
Xuheng XuXiaodan ZhangXiaohua HuPublished in: AINA Workshops (1) (2007)
Keyphrases
- query expansion
- singular value decomposition
- information retrieval systems
- information retrieval
- language model
- singular values
- retrieval effectiveness
- pseudo relevance feedback
- least squares
- language modeling
- text retrieval
- retrieval model
- dimensionality reduction
- query terms
- relevance feedback
- relevant documents
- latent semantic indexing
- original query
- principal component analysis
- latent semantic analysis
- pattern recognition
- machine learning
- n gram
- relevance model
- automatic query expansion
- text categorization