Tiago Santos

• PhD student
• PhD Student at Iscte – University Institute of Lisbon

In the last few years, Massive Open Online Courses (MOOCs) have dominated the discussion of the role of online learning in the future of higher education (HE). The MOOC movement is mostly based in the USA where the for-profit educational start-ups such as Coursera, Udacity, and the MIT and Harvard-founded non-profit platform edX take the lead. On t...

Globalization and economic interdependency of a post-modern society point toward an internationalization mission for the university. However, on a global scale, social, economic, and cultural circumstances have significant effects upon an individual’s ability to show the merit required in higher education. The growing open access movement reveals t...

The growing open access movement reveals the early emergence of a meta-university. Massive Open Online Courses (MOOC), the most recent branch in the Open Education Resources (OER) movement, take a step forward in courses dissemination, integrating reputation and network aspects. Although MOOC's enrollment success in delivering courses to thousands...

In this work, we explore agenda-setting effects in the Twitter debate about the Brazilian Presidential Elections 2018. Our results reveal a complex dynamic in the transmission of the media agenda to the public with the distribution of shared media outlets aligned according to a truncated power-law, reflecting a "preferential attachment" behavior. H...

In this paper, we study the relationship between social media and traditional media and their impact on democratic systems. We revisit the concepts of the public sphere and agenda‐setting and translate them into the current media landscape. Using topic‐modelling techniques, we explore the effects of first level agenda‐setting in the Twitter debate...

This paper investigates first-level agenda-setting effects on Twitter during UK's EU referendum campaign. Using topic-modeling techniques, we investigate the dynamics of the interaction between users and the media content, and how the media outlets relate to each other. Results show that traditional media outlets dominated the debate, but alternati...

A virtual field trip to the Costa de Caparica fossil cliff is presented as an example of a stratigraphic and paleontologic itinerary, that may be used in the classroom to illustrate the rich and complex geologic history of the Lower Tagus Basin vestibular region, since the Paleogenic to nowadays. The importance of the 1755 Lisbon earthquake in the...

Divulga-se um itinerário virtual à Arriba Fóssil da Caparica. O objectivo é ilustrar de modo interactivo aspectos da sua constituição, génese, evolução geológica, e fossilização, desde o Paleogénico até aos nossos dias. A aplicação foi desenvolvida em linguagem HTML e Javascript (contém texto, animações de vídeo, imagens e ligações para sítios na i...

SUMÁRIO Apresenta-se a visita virtual à Arriba Fóssil de Costa de Caparica como exemplo de itinerário interactivo, estratigráfico e paleontológico, para ilustrar a história geológica da região distal da Bacia do Baixo Tejo, desde o Paleogénico até o Actual. Procura-se facilitar a compreensão da génese e constituição geológica da Arriba fóssil de Co...