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- Damien Fay, Hamed Haddadi, +5 authors Miguel Rio
- IEEE/ACM Transactions on Networking
- 2010

Comparing graphs to determine the level of underlying structural similarity between them is a widely encountered problem in computer science. It is particularly relevant to the study of Internet topologies, such as the generation of synthetic topologies to represent the Internet's AS topology. We derive a new metric that enables exactly such a structural… (More)

- Damien Fay, Hamed Haddadi, Andrew W. Moore, Richard Mortier, Steve Uhlig, Almerima Jamakovic
- SIGMETRICS Performance Evaluation Review
- 2009

Comparison of graph structures is a frequently encountered problem across a number of problem domains. Comparing graphs requires a metric to discriminate which features of the graphs are considered important. The spectrum of a graph is often claimed to contain all the information within a graph, but the raw spectrum contains too much information to be… (More)

- Jérôme Kunegis, Damien Fay, Christian Bauckhage
- CIKM
- 2010

We introduce and study the spectral evolution model, which characterizes the growth of large networks in terms of the eigenvalue decomposition of their adjacency matrices: In large networks, changes over time result in a change of a graph's spectrum, leaving the eigenvectors unchanged. We validate this hypothesis for several large social, collaboration,… (More)

- Marco Canini, Damien Fay, David J. Miller, Andrew W. Moore, Raffaele Bolla
- 2009 First International Communication Systems…
- 2009

We present a per-flow packet sampling method that enables the real-time classification of high-speed network traffic. Our method, based upon the partial sampling of each flow (i.e., performing sampling at only early stages in each flow's lifetime), provides a sufficient reduction in total traffic (e.g., a factor of five in packets, a factor of ten in bytes)… (More)

Diversity is an important characterization aspect for online social networks that usually denotes the homogeneity of a network's content and structure. This paper addresses the fundamental question of diversity evolution in large-scale online communities over time. In doing so, we study different established notions of network diversity, based on paths in… (More)

Weather information is an important factor in load forecasting models. Typically, load forecasting models are constructed and tested using actual weather readings. However, online operation of load forecasting models requires the use of weather forecasts, with associated weather forecast errors. These weather forecast errors inevitably lead to a degradation… (More)

- Damien Fay, Andrew W. Moore, Kenneth N. Brown, Michele Filosi, Giuseppe Jurman
- J. Complex Networks
- 2015

- Damien Fay, John V. Ringwood, Marissa Condon, Michael Kelly
- Neurocomputing
- 2003

- Hamed Haddadi, Damien Fay, +5 authors Steve Uhlig
- ArXiv
- 2008

Many models have been proposed to generate Internet Autonomous System (AS) topologies, most of which make structural assumptions about the AS graph. In this paper we compare AS topology generation models with several observed AS topologies. In contrast to most previous works, we avoid making assumptions about which topological properties are important to… (More)

- Hamed Haddadi, Damien Fay, +4 authors Miguel Rio
- SIPEW
- 2008

An increasing number of synthetic topology generators are available, each claiming to produce representative Internet topologies. Every generator has its own parameters, allowing the user to generate topologies with different characteristics. However, there exist no clear guidelines on tuning the value of these parameters in order to obtain a topology with… (More)