Keyphrases
- information extraction
- natural language processing
- free text
- information retrieval
- named entity recognition
- text mining
- question answering
- text processing
- machine learning
- precision and recall
- semantic tagging
- relation extraction
- machine translation
- web documents
- unstructured text
- structured data
- multimedia
- ontology based information extraction
- real time
- semi structured
- text documents
- named entities
- word sense disambiguation
- relational learning
- information extraction systems
- round robin tournament
- markov random field
- databases