Keyphrases
- information retrieval systems
- information retrieval
- matching algorithm
- retrieval systems
- matching process
- document clustering
- image matching
- document images
- pattern matching
- keywords
- keypoints
- text documents
- graph matching
- digital libraries
- matching scheme
- document analysis
- string matching
- web documents
- search engine
- multiscale
- electronic documents
- tf idf
- vector space model
- document classification
- document retrieval
- relevant documents
- database
- object recognition
- document collections