Keyphrases
- information extraction
- natural language processing
- domain specific
- text mining
- question answering
- free text
- terminology extraction
- information retrieval
- text processing
- textual data
- named entity recognition
- precision and recall
- conditional random fields
- machine learning
- text documents
- structured data
- web documents
- web mining
- semi structured
- named entities
- extracting meaningful
- relational learning
- relation extraction
- open domain
- unstructured text
- natural language
- databases
- information extraction systems
- natural language text
- search engine
- feature selection
- image segmentation
- database systems
- machine translation
- association rules