Improving Latent Semantic Indexing with concepts mapping based on domain ontology.
Jingmin HaoLejian LiaoXiujie DongPublished in: NLPKE (2008)
Keyphrases
- domain ontology
- latent semantic indexing
- domain knowledge
- semi automatic
- domain specific
- semantic information
- singular value decomposition
- vector space
- text retrieval
- vector space model
- information retrieval
- document representation
- semantic mapping
- text mining
- data sources
- concept hierarchy
- domain experts
- ontology mapping
- latent semantic space
- least squares
- data fusion
- image classification
- search engine
- learning algorithm