Central European Journal of Operations Research

, Volume 25, Issue 4, pp 771–790 | Cite as

Measuring centrality by a generalization of degree

  • László Csató
Original Paper


Network analysis has emerged as a key technique in communication studies, economics, geography, history and sociology, among others. A fundamental issue is how to identify key nodes, for which purpose a number of centrality measures have been developed. This paper proposes a new parametric family of centrality measures called generalized degree. It is based on the idea that a relationship to a more interconnected node contributes to centrality in a greater extent than a connection to a less central one. Generalized degree improves on degree by redistributing its sum over the network with the consideration of the global structure. Application of the measure is supported by a set of basic properties. A sufficient condition is given for generalized degree to be rank monotonic, excluding counter-intuitive changes in the centrality ranking after certain modifications of the network. The measure has a graph interpretation and can be calculated iteratively. Generalized degree is recommended to apply besides degree since it preserves most favourable attributes of degree, but better reflects the role of the nodes in the network and has an increased ability to distinguish among their importance.


Network Centrality measure Degree Axiomatic approach 



We are grateful to Herbert Hamers for drawing our attention to centrality measures, and to Dezső Bednay, Pavel Chebotarev and Tamás Sebestyén for useful advices. The research was supported by OTKA grant K 111797 and MTA-SYLFF (The Ryoichi Sasakawa Young Leaders Fellowship Fund) Grant ‘Mathematical analysis of centrality measures’, awarded to the author in 2015.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  1. 1.Department of Operations Research and Actuarial SciencesCorvinus University of BudapestBudapestHungary
  2. 2.MTA-BCE “Lendület” Strategic Interactions Research GroupBudapestHungary

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