Keyphrases
- dominating set
- multi document summarization
- connected dominating set
- facility location problem
- text summarization
- document summarization
- manifold ranking
- multidocument summarization
- cross document
- automatic text summarization
- sentence extraction
- facility location
- shallow semantic
- mutual reinforcement
- named entity recognition
- high quality
- document summaries
- approximation algorithms
- markov random field