Information Extraction and Semantic Constraints.
Ralph GrishmanJohn SterlingPublished in: COLING (1990)
Keyphrases
- semantic constraints
- information extraction
- extraction patterns
- semantic knowledge
- semantic representation
- natural language text
- text mining
- natural language processing
- knowledge sources
- named entities
- relation extraction
- natural language
- named entity recognition
- information retrieval
- web documents
- machine translation
- noun phrases
- structured data
- question answering
- fuzzy relations
- machine learning
- databases
- reverse engineering
- text classification
- world model
- relational schema
- domain knowledge