Research map / Multi-agent systems and games / Games and equilibria
Truthful Mechanisms for Steiner Tree Problems
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Measured effects reported in the paper
| What was changed | Where | Measured | Effect |
|---|---|---|---|
| Use a decomposition of the optimal fractional k-DCR solution and an edge-level payment rule | Steiner Tree Problem on general graphs · Steiner Tree Problem, general graphs | approximation ratio: ln 4 + ϵ ≈ 1.39 | Helped |
| Use the BCR-based decomposition mechanism | Steiner Tree Problem · Steiner claw-free graphs | approximation ratio: ln 4 ≈ 1.39 | Helped |
| Replace the prior truthful approximation with the proposed mechanism | Steiner Tree Problem · Steiner Tree Problem with k terminals | approximation ratio: 2 − 1/k -> ln 4 + ϵ ≈ 1.39 | Helped |
| Treat each directed component as an agent rather than assigning ownership to individual edges | Direct application of the decomposition technique to k-DCR · Steiner Tree Problem, general graphs | truthfulness | Hurt |
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