Keyphrases
- information extraction
- ontology population
- natural language processing
- precision and recall
- named entity recognition
- text mining
- information retrieval
- semantic web
- relation extraction
- question answering
- textual data
- domain specific
- semantic web technologies
- machine learning
- free text
- knowledge representation
- ontological framework
- ontology alignment
- conditional random fields
- natural language text
- information integration
- ontology based information extraction
- semi structured
- knowledge base
- domain ontology
- web documents
- web mining
- machine translation
- named entities
- structured data
- text processing
- semantic technologies
- ontology merging
- knowledge acquisition
- natural language
- artificial intelligence
- ontology integration
- open domain
- semantic interoperability
- text documents
- design patterns