Keyphrases
- object recognition
- text retrieval
- dimension reduction methods
- computer vision
- dimension reduction
- information retrieval
- document collections
- principal component analysis
- retrieval systems
- document retrieval
- inverted file
- query expansion
- cross language
- retrieval quality
- automatic query expansion
- retrieval model
- text mining
- distance measure
- data sets
- image retrieval
- machine learning