Luiz Paulo Damilton Corrêa

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In this work we investigate the user practices in Instagram, a social photo sharing service. Some interesting conclusions emerge from our analysis. For instance, users tend to concentrate their posts during the weekend and at the end of the day. Furthermore, people tend to endorse photos with many likes and comments, inducing the rich get richer phenomenon.(More)
In a service coproduction, the relationship between stakeholders is reciprocal, and the roles of provider and recipient are not necessarily defined. This paper presents an investigation with students in order to understand their motivations and prospects of coproduction involved in their activities of studying in groups. From interviews, we raised 15(More)
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