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Paper detail

Fast Quasi-Threshold Editing

We introduce Quasi-Threshold Mover (QTM), an algorithm to solve the quasi-threshold (also called trivially perfect) graph editing problem with edge insertion and deletion. Given a graph it computes a quasi-threshold graph which is close in terms of edit count. This edit problem is NP-hard. We present an extensive experimental study, in which we show that QTM is the first algorithm that is able to scale to large real-world graphs in practice. As a side result we further present a simple linear-time algorithm for the quasi-threshold recognition problem.

preprint2015arXivOpen access
Ulrik BrandesMichael HamannBen StrasserDorothea Wagner
Social and Information Networksphysics.soc-phData Structures and Algorithms
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Ulrik BrandesMichael HamannBen StrasserDorothea Wagner

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