Keyphrases
- keywords
- background knowledge
- domain knowledge
- data mining algorithms
- information extraction
- information processing
- information sources
- text mining
- text retrieval
- raw data
- textual information
- textual data
- database
- text data
- digital documents
- free text
- textual content
- multimedia data
- data mining techniques
- prior knowledge
- data structure
- information retrieval
- databases