Keyphrases
- text summarization
- named entity recognition
- natural language processing
- information extraction
- question answering
- oracle database
- multi document summarization
- automatic text summarization
- text segments
- query expansion
- automatic summarization
- document structure
- conditional random fields
- temporal expressions
- extractive summarization
- lexical chains
- keyword extraction
- domain specific
- probabilistic model
- expert systems
- arabic language
- artificial intelligence