Keyphrases
- text analysis
- conceptual modeling
- conceptual models
- information systems
- text mining
- information extraction
- natural language processing
- text documents
- database technology
- conceptual model
- data model
- object oriented
- software engineering
- process model
- domain knowledge
- text collections
- text categorization
- machine learning
- text classification
- digital libraries
- artificial intelligence
- entity relationship
- information retrieval