Keyphrases
- n gram
- textual documents
- text mining
- knowledge extraction
- text classification
- digital libraries
- textual data
- language model
- bag of words
- variable length
- multimedia documents
- free text
- web documents
- natural language processing
- information extraction
- text documents
- feature selection
- knowledge discovery
- structured data
- question answering
- unstructured data
- labeled data
- character n grams