Keyphrases
- information extraction
- natural language processing
- named entities
- free text
- precision and recall
- information retrieval
- named entity recognition
- text mining
- structured data
- web documents
- relation extraction
- question answering
- semi structured
- text documents
- machine learning
- conditional random fields
- natural language text
- text processing
- open domain
- semantic tagging
- web mining
- cloud computing
- natural language
- relational learning
- genetic algorithm
- databases
- machine translation
- word sense disambiguation
- real world
- data extraction
- data sets
- information extraction systems
- database