Person
Na Li
This person is no longer with EPFL
Related publications (19)
Identifying Influential Scholars in Academic Social Media Platforms
The emergence of social media has created new ways to publish scientific work, foster collaboration, and build professional connections in the research community. The rich data collected in social media platforms has provided new opportunities for assessin ...
2013Using Social Media for Collaborative Learning in Higher Education: A Case Study
This paper investigates the acceptability of using social media for collaborative learning in the context of higher education. A social media platform, Graasp, is used to support students’ learning activities in a project-based course. An evaluation of Gra ...
2012A Social Media Platform in Higher Education
Denis Gillet, Christophe Salzmann, Na Li, Evgeny Bogdanov
This paper reports on the successful use of Graasp, a social media platform, by university students for their collaborative work. Graasp features a number of innovations, such as administrator-free creation of collaborative spaces, context-aware recommenda ...
2012Magnifico: A Platform For Expert Mining Using Metadata
In this paper, a modified TF-IDF approach is proposed to recommend experts by inferring search query topics using metadata. A multi-disciplinary reputation metric is also introduced to select people with specific expertise. The approach is validated on Men ...
2012Trust-aware Privacy Control for Social Media
Denis Gillet, Na Li, Maryam Najafian-Razavi
Due to the huge exposure of personal information in social media, a challenge now is to design effective privacy mechanisms that protect against unauthorized access to social data. In this paper, a trust model for social media is first presented. Based on ...
2011Exploring Trust in Personal Learning Environments
Denis Gillet, Na Li, Maryam Najafian-Razavi
The design of effective trust and reputation mechanisms for personal learning environments (PLEs) is believed to be a promising research direction. In this paper, we propose a 4-dimensional trust model that complies with the specific requirements of PLEs. ...
2011The 3A interaction model: towards bridging the gap between formal and informal learning
This paper discusses the adoption of bottom-up social software tools in formal learning environments. This is believed to enhance the learning experience of today’s young generation characterized by being technology savvy and keen on social networking. As ...
IEEE Computer Society2010Trust-Based Rating Prediction for Recommendation in Web 2.0 Collaborative Learning Social Software
Benefiting from the advent of social software, information sharing becomes pervasive. Personalized rating systems have emerged to evaluate the quality of user-generated content in open environment and provide recommendation based on users’ past experience. ...
2010Using Social Software for Teamwork and Collaborative Project Management in Higher Education
This paper discusses the potential role of social software in supporting teamwork and collaborative project management in higher education. Based on the fact that social software has been widely spread among young students nowadays, using it for collaborat ...
Springer2010