11 Result(s)
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Chapter and Conference Paper
Avalanches and Damage Clusters in Fracture Processes
By simulating two-dimensional models of electric breakdown and fracture it is possible to characterize the rupture of disordered materials subject to an increasing external stress. We provide a review of numer...
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Chapter and Conference Paper
Traffic-Driven Model of the World Wide Web Graph
We propose a model for the World Wide Web graph that couples the topological growth with the traffic’s dynamical evolution. The model is based on a simple traffic-driven dynamics and generates weighted directe...
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Chapter and Conference Paper
Traceroute-Like Exploration of Unknown Networks: A Statistical Analysis
Map** the Internet generally consists in sampling the network from a limited set of sources by using traceroute-like probes. This methodology has been argued to introduce uncontrolled sampling biases that might...
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Article
Algorithmic Computation and Approximation of Semantic Similarity
Automatic extraction of semantic information from text and links in Web pages is key to improving the quality of search results. However, the assessment of automatic semantic measures is limited by the coverag...
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Article
Open AccessBeating the news using social media: the case study of American Idol
We present a contribution to the debate on the predictability of social events using big data analytics. We focus on the elimination of contestants in the American Idol TV shows as an example of a well defined...
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Chapter and Conference Paper
Social Data Mining and Seasonal Influenza Forecasts: The FluOutlook Platform
FluOutlook is an online platform where multiple data sources are integrated to initialize and train a portfolio of epidemic models for influenza forecast. During the 2014/15 season, the system has been used to...
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Article
Open AccessEnhancing disease surveillance with novel data streams: challenges and opportunities
Novel data streams (NDS), such as web search data or social media updates, hold promise for enhancing the capabilities of public health surveillance. In this paper, we outline a conceptual framework for integr...
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Article
Open AccessOnline social networks and offline protest
Large-scale protests occur frequently and sometimes overthrow entire political systems. Meanwhile, online social networks have become an increasingly common component of people’s lives. We present a large-scal...
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Article
Open AccessLink transmission centrality in large-scale social networks
Understanding the importance of links in transmitting information in a network can provide ways to hinder or postpone ongoing dynamical phenomena like the spreading of epidemic or the diffusion of information....
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Article
Open AccessMap** the physics research space: a machine learning approach
Scientific discoveries do not occur in vacuum but rather by connecting existing pieces of knowledge in new and creative ways. Map** the relation and structure of scientific knowledge is therefore central to ...
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Article
Open AccessGive more data, awareness and control to individual citizens, and they will help COVID-19 containment
The rapid dynamics of COVID-19 calls for quick and effective tracking of virus transmission chains and early detection of outbreaks, especially in the “phase 2” of the pandemic, when lockdown and other restric...
