The ordered k-median problem: surrogate models and approximation algorithms

Mathematics

• Approximation 11%
• Approximation Algorithms 57%
• Cost Function 10%
• Coverage 21%
• Dynamic Programming 10%
• Enumeration 10%
• Facility Location Problem 13%
• Form 8%
• Heuristic Method 13%
• Integer Programming 11%
• Invariant 6%
• Lens 13%
• Line Graph 12%
• Local Search 12%
• Metric 14%
• Metric space 8%
• Minimise 8%
• Modeling 7%
• Multiplicative 8%
• Network Topology 14%
• Optimality 9%
• Percentile 12%
• Ranking 22%
• Search Methods 13%
• Surrogate 13%
• Surrogate Model 100%
• Term 5%
• Vertex of a graph 6%

Engineering & Materials Science

• Approximation algorithms 70%
• Cost functions 15%
• Dynamic programming 15%
• Heuristic methods 18%
• Integer programming 17%
• Lenses 16%
• Topology 11%