Alina Stoica

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— Nowadays, users of online platforms can manage their own visibility and therefore popularity by mixing self-publishing activities and social networking. If one can develop strategies for building a reputation, his success is not determined only by his actions but also by the context in which he is involved. His popularity may evolve during time and this(More)
The emergence of online platforms allowing to mix self publishing activities and social networking offers new possibilities for building online reputation and visibility. In this paper we present a method to analyze the online popularity that takes into consideration both the success of the published content and the social network topology. First, we adapt(More)
Here we propose a set of dynamical measures to detect causality effects on communication datasets. Using ap­ propriate comparison models, we are able to enumerate patterns containing causality relationships. This approach is illustrated on a large cell phone call dataset: we show that specific patterns such as short chain-like trees and directed loops are(More)
The primary application focus of biometric technology is the verification and identification of humans using their possessed biological (anatomical, physiological and behavioral) properties. Recent advances in biometric processing of individual biometric modalities (sources of identification data such as facial features, iris patterns, voice, gait, ear(More)
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