The main aim of this work is to analyze Premium Private Labels (PPL) in the food sector. To do so, we have obtained data from both on-line and off-line channels, analyzing social networks, specifically Twitter, and from carrying out personal surveys of customers in the sales point to check their...

Traditionally, universities are committed to the missions of conducting research and teaching. Recently, they were also called to contribute to supporting sustainable development in society. Many universities worldwide have experienced sustainability and social reporting practices to demonstrate...

Over the last few decades, stakeholders' growing attention towards social and environmental issues has challenged universities’ traditional accountability boundaries, imposing the adoption of innovative reporting tools that facilitate stakeholders' engagement in Corporate Social Responsibility...

We study a model of social learning in networks where the dynamics of beliefs are driven by conversations of dissonance-minimizing agents. Given their current beliefs, agents make statements, tune them to the statements of their associates, and then revise their beliefs. We characterize the...

As a key task of fine-grained sentiment analysis, aspect-based sentiment analysis aims to analyse people's opinions at the aspect level from user-generated texts. Various sub-tasks have been defined according to different scenarios, extracting aspect terms, opinion terms, and the corresponding...

Information can be easily spread through social connections by targeting central individuals in the network. Different standard centrality measures (SCMs) are used to select these central nodes. The SCMs, however, are based on the network topology—shaped only by the number of connections—...

In this paper we investigate the relationship between the social influence of a friend in a personal friend network in Facebook and the centrality of the friend in that network. In a large-scale experiment, we asked 206 volunteers to allow us access to their personal Facebook friend network. We...