Keyphrases
- natural language
- sentence level
- artificial intelligence
- case study
- text corpus
- text summarization
- machine learning
- syntactic analysis
- automatic summarization
- part of speech
- noun phrases
- machine translation
- dependency relations
- word level
- linguistic features
- parse tree
- data sets
- n gram
- document collections
- information retrieval systems
- website
- information retrieval
- neural network