Keyphrases
- text summarization
- natural language processing
- named entity recognition
- information extraction
- question answering
- automatic summarization
- extractive summarization
- multi document summarization
- text segments
- temporal expressions
- computational advertising
- query expansion
- document structure
- lexical chains
- keyword extraction
- prior knowledge
- text mining
- pairwise
- object recognition
- knowledge base
- learning algorithm
- automatic text summarization
- machine learning