Knowledge representation from information extraction.
Tan XuDouglas W. OardTamer ElsayedAsad B. SayeedPublished in: JCDL (2008)
Keyphrases
- information extraction
- knowledge representation
- natural language processing
- natural language
- machine learning
- question answering
- precision and recall
- named entity recognition
- information retrieval
- free text
- automated reasoning
- artificial intelligence
- knowledge engineering
- knowledge acquisition
- relational learning
- expert systems
- semi structured
- relation extraction
- conditional random fields
- text processing
- web documents
- semantic web
- logic programming
- text mining
- semantic tagging
- information extraction systems
- unstructured text
- natural language understanding
- structured data
- web mining
- machine translation
- text documents
- knowledge structures
- textual data
- named entities
- wordnet
- knowledge based systems
- natural language text
- knowledge base
- general knowledge
- representing knowledge
- legal knowledge
- extracting meaningful
- database
- ontology based information extraction
- probabilistic reasoning
- production rules
- case based reasoning
- neural network