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Vertex Cover Benchmark Instances

Utils

  • Converter: convert from benchmarks from ascii to binary format and vice versa.

Vertex Cover instances

Directory

From Ke Xu’s website http://www.nlsde.buaa.edu.cn/~kexu/benchmarks/graph-benchmarks.htm

FileVerticesMax IS[fn:1]Min VC
1frb30-15-mis (5 instances)45030420
2frb35-17-mis (5 instances)59535560
3frb40-19-mis (5 instances)76040720
4frb45-21-mis (5 instances)94545900
5frb50-23-mis (5 instances)1150501100
6frb53-24-mis (5 instances)1272531219
7frb56-25-mis (5 instances)1400561344
8frb59-26-mis (5 instances)1534591475

Clique complement graphs

Directory

From Muthubharathi Periannan’s MS thesis at Penn State Harrisburg.

  • Clique to Vertex Cover converter: converts graph instances for Max Clique into complement graphs, usable for Min Vertex Covering. The size of the minimum vertex cover is the difference between the total number of vertices and the size of the max clique.

Random Graphs

Directory

From Muthubharathi Periannan’s MS thesis at Penn State Harrisburg.

FileVertices
1random graphs with 50 vertices - 10 instances50
2random graphs with 100 vertices - 10 instances100
3random graphs with 200 vertices - 5 instances200
4random graphs with 250 vertices - 5 instances250
5random graphs with 500 vertices - 5 instances500

Other Instances

BHOSLIB
Benchmarks with Hidden Optimum Solutions for Graph Problems (Maximum Clique, Maximum Independent Set, Minimum Vertex Cover and Vertex Coloring): http://www.nlsde.buaa.edu.cn/~kexu/benchmarks/graph-benchmarks.htm (link no longer exists)

Back to benchmark instances page

[fn:1] IS: indepdent set