Author

Sami Davies

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Preprint Aug 2026

Online Correlation Clustering with Metric Weights

This work gives a deterministic online algorithm that maintains a clustering whose total weighted disagreement cost is within an $O(1)$ factor of the offline optimum, against adversarial arrival order, and shows that metric consistency on the edge weights separates tractable from intractable online instances.

Sami Davies, Benjamin Moseley, Heather Newman · 0 citations

Preprint Aug 2026

Correlation Clustering with Random Partial Information

For graph instances both for the min-max and the min-disagreement objectives, this work proves approximation guarantees that are substantially better than the bounds achievable for general graphs.

N. RajathRaoK, Jens Schlöter, Sami Davies et al. · 0 citations