Keyphrases
- information extraction
- natural language processing
- free text
- text mining
- machine learning
- information retrieval
- structured data
- named entity recognition
- precision and recall
- named entities
- question answering
- semi structured
- textual data
- text summarization
- relational learning
- relation extraction
- web documents
- natural language
- text documents
- data structure
- unstructured text
- extracting meaningful
- text processing
- real world
- conditional random fields
- bayesian networks
- e learning