Keyphrases
- extractive summarization
- text summarization
- natural language processing
- multi document summarization
- information extraction
- graph structure
- question answering
- graph theory
- named entity recognition
- structured data
- semi supervised
- bipartite graph
- weighted graph
- vector space
- unsupervised learning
- supervised learning
- normalized cut
- chinese text
- similarity measure
- metadata
- text categorization
- document set
- hidden markov models
- document analysis
- mutual reinforcement