| 2013 | WWW | A recommender system for job seeking and recruiting website. | Yao Lu, Sandy El Helou, Denis Gillet |
| 2012 | EDUCON | A social media platform in higher education. | Evgeny Bogdanov, Freddy Limpens, Na Li, Sandy El Helou, Christophe Salzmann, Denis Gillet |
| 2010 | ACHI | The 3A Interaction Model: Towards Bridging the Gap between Formal and Informal Learning. | Sandy El Helou, Na Li, Denis Gillet |
| 2010 | CHI | Graaasp: a web 2.0 research platform for contextual recommendation with aggregated data. | Evgeny Bogdanov, Sandy El Helou, Denis Gillet, Christophe Salzmann, Stphane Sire |
| 2009 | ACHI | A Study of the Acceptability of a Web 2.0 Application by Higher-Education Students Undertaking Collaborative Laboratory Activities. | Sandy El Helou, Denis Gillet, Christophe Salzmann, Chiu-Man Yu |
| 2009 | RecSys | The 3A contextual ranking system: simultaneously recommending actors, assets, and group activities. | Sandy El Helou, Christophe Salzmann, Stphane Sire, Denis Gillet |
| 2008 | ACHI | Turning Web 2.0 Social Software into Versatile Collaborative Learning Solutions. | Denis Gillet, Sandy El Helou, Chiu-Man Yu, Christophe Salzmann |