Keyphrases
- lower bound
- upper bound
- branch and bound algorithm
- lower and upper bounds
- worst case
- objective function
- branch and bound
- optimal solution
- question answering
- np hard
- information extraction
- natural language processing
- lower bounding
- linear programming relaxation
- sufficiently accurate
- clustering algorithm
- deep knowledge
- wall street journal
- upper and lower bounds
- linear programming
- online learning
- statistical queries
- constant factor
- branch and bound method
- markov random field
- polynomial approximation
- low level
- similarity measure