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- Aaron Clauset, Cosma Rohilla Shalizi, Mark E. J. Newman
- SIAM Review
- 2009

Aaron Clauset, 2 Cosma Rohilla Shalizi, and M. E. J. Newman Santa Fe Institute, 1399 Hyde Park Road, Santa Fe, NM 87501, USA Department of Computer Science, University of New Mexico, Albuquerque, NM 87131, USA Department of Statistics, Carnegie Mellon University, Pittsburgh, PA 15213, USA Department of Physics and Center for the Study of Complex Systems,… (More)

- Aaron Clauset, Mark E. J. Newman, Cristopher Moore
- Physical review. E, Statistical, nonlinear, and…
- 2004

The discovery and analysis of community structure in networks is a topic of considerable recent interest within the physics community, but most methods proposed so far are unsuitable for very large networks because of their computational cost. Here we present a hierarchical agglomeration algorithm for detecting community structure which is faster than many… (More)

- Aaron Clauset, Cristopher Moore, Mark E. J. Newman
- Nature
- 2008

Networks have in recent years emerged as an invaluable tool for describing and quantifying complex systems in many branches of science. Recent studies suggest that networks often exhibit hierarchical organization, in which vertices divide into groups that further subdivide into groups of groups, and so forth over multiple scales. In many cases the groups… (More)

- Aaron Clauset
- Physical review. E, Statistical, nonlinear, and…
- 2005

Although the inference of global community structure in networks has recently become a topic of great interest in the physics community, all such algorithms require that the graph be completely known. Here, we define both a measure of local community structure and an algorithm that infers the hierarchy of communities that enclose a given vertex by exploring… (More)

- Dimitris Achlioptas, Aaron Clauset, David Kempe, Cristopher Moore
- J. ACM
- 2005

Understanding the graph structure of the Internet is a crucial step for building accurate network models and designing efficient algorithms for Internet applications. Yet, obtaining this graph structure can be a surprisingly difficult task, as edges cannot be explicitly queried. For instance, empirical studies of the network of Internet Protocol (IP)… (More)

- Leto Peel, Aaron Clauset
- AAAI
- 2015

Interactions among people or objects are often dynamic in nature and can be represented as a sequence of networks, each providing a snapshot of the interactions over a brief period of time. An important task in analyzing such evolving networks is change-point detection, in which we both identify the times at which the large-scale pattern of interactions… (More)

Power-law distributions occur in many situations of scientific interest and have significant consequences for our understanding of natural and man-made phenomena. Unfortunately, the detection and characterization of power laws is complicated by the large fluctuations that occur in the tail of the distribution—the part of the distribution representing large… (More)

- Aaron Clauset, Cristopher Moore, Mark E. J. Newman
- SNA@ICML
- 2006

One property of networks that has received comparatively little attention is hierarchy, i.e., the property of having vertices that cluster together in groups, which then join to form groups of groups, and so forth, up through all levels of organization in the network. Here, we give a precise definition of hierarchical structure, give a generic model for… (More)

- Christopher Aicher, Abigail Z. Jacobs, Aaron Clauset
- J. Complex Networks
- 2015

Community detection is an important task in network analysis, in which we aim to learn a network partition that groups together vertices with similar community-level connectivity patterns. By finding such groups of vertices with similar structural roles, we extract a compact representation of the network’s large-scale structure, which can facilitate its… (More)

Networks created and maintained by social processes, such as the human friendship network and the World Wide Web, appear to exhibit the property of navigability : namely, not only do short paths exist between any pair of nodes, but such paths can easily be found using only local information. It has been shown that for networks with an underlying metric,… (More)