Keyphrases
- information extraction
- named entity recognition
- named entities
- text mining
- joint inference
- natural language processing
- semi structured
- information retrieval
- precision and recall
- question answering
- conditional random fields
- machine learning
- web documents
- generative model
- relation extraction
- structured data
- text summarization
- text processing
- cross document
- probabilistic model
- web mining
- text documents
- natural language
- word sense disambiguation
- free text
- data driven
- textual data
- neural network
- context sensitive
- logic programs
- relational learning
- noun phrases
- open domain
- learning algorithm
- probabilistic approaches