Keyphrases
- web scale
- set cover
- greedy algorithm
- approximation algorithms
- np hard
- network flow
- greedy heuristic
- solution space
- image search
- semi structured
- convex hull
- web images
- special case
- structured data
- knapsack problem
- worst case
- primal dual
- text categorization
- machine learning
- linear programming
- image database
- information extraction
- dynamic programming
- evolutionary algorithm
- feature selection
- genetic algorithm