Software and Data

TSPLIB
Library of Traveling Salesman Problems

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LOLIB
Library of Linear Ordering Problems

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PORTA
POlyhedron Representation Transformation Algorithm

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SMAPO
Library of linear descriptions of SMAll problem instances of POlytopes in combinatorial optimizaton

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VISALG
Visualization of Algorithms

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GRPLIB
Collection of General Routing Problem instances - under construction