Keyphrases
- natural language processing
- question answering
- natural language
- information extraction
- text mining
- wordnet
- free text
- text analysis
- field of natural language processing
- text processing
- machine translation
- named entities
- ontology learning
- natural language understanding
- language processing
- neural network
- semantic analysis
- database
- case study
- machine learning
- linguistic knowledge
- textual entailment
- data sets