182 citations · 290 across the 6 of their papers we have counts for
5 papers
Improving Spam Detection Based on Structural Similarity
Luiz H. Gomes, Fernando D. O. Castro, Rodrigo B. Almeida +3
We propose a new detection algorithm that uses structural relationships between senders and recipients of email as the basis for the identification of spam messages. Users and rece…
Comparative Graph Theoretical Characterization of Networks of Spam and Legitimate Email
Luiz H. Gomes, Rodrigo B. Almeida, Luis M. A. Bettencourt +2
Email is an increasingly important and ubiquitous means of communication, both facilitating contact between private individuals and enabling rises in the productivity of organizati…
Tipping the balances of a small world
Luis M. A. Bettencourt
Recent progress in the large scale mapping of social networks is opening new quantitative windows into the structure of human societies. These networks are largely the result of ho…
From boom to bust and back again: the complex dynamics of trends and fashions
Luis M. A. Bettencourt
Social trends or fashions are spontaneous collective decisions made by large portions of a community, often without an apparent good reason. The spontaneous formation of trends pro…
Time evolution of correlation functions for classical and quantum anharmonic oscillators
Luis M. A. Bettencourt, C. Wetterich
The time evolution of the correlation functions of an ensemble of anharmonic N-component oscillators with O(N) symmetry is described by a flow equation, exact up to corrections of…