Keyphrases
- information extraction
- precision and recall
- resource allocation
- information retrieval
- data sets
- heterogeneous systems
- grid environment
- limited resources
- named entity recognition
- free text
- conditional random fields
- structured data
- natural language processing
- multi agent
- machine learning
- real world
- real time
- semi supervised
- knowledge base
- web mining
- artificial intelligence
- learning algorithm
- textual data
- modeling method
- neural network
- ontology based information extraction