Keyphrases
- n gram
- text retrieval
- language model
- retrieval model
- language independent
- information retrieval
- document retrieval
- bag of words
- query expansion
- variable length
- text classification
- morphological analysis
- cross language
- retrieval systems
- inverted file
- image retrieval
- language modeling
- document collections
- part of speech
- vector space model
- retrieval quality
- test collection
- automatic query expansion
- digital libraries
- high dimensional
- word segmentation
- data mining