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| | Issue Date | Title | Author(s) |
| 21 | 29-Oct-2015 | Motivating participation and improving quality of contribution in ubiquitous crowdsourcing | Goncalves, Jorge ; Hosio, Simo ; Rogstadius, Jakob ; Karapanos, Evangelos ; Kostakos, Vassilis |
| 22 | Oct-2015 | PLEXQ: Towards a playful experiences questionnaire | Boberg, Marion ; Karapanos, Evangelos ; Holopainen, Jussi ; Lucero, Andrés |
| 3 | Sep-2015 | Why alone? Sensing children's social interactions in the playground | Ferreira, Maria José ; Caraban, Ana ; Lyra, Olga ; Belim, Vítor ; Karapanos, Evangelos |
| 4 | Sep-2015 | CrowdWalk: Leveraging the wisdom of the crowd to inspire walking activities | Ornelas, Tiago ; Caraban, Ana ; Gouveia, Rúben ; Karapanos, Evangelos |
| 5 | Sep-2015 | You have 5 seconds: designing glanceable feedback for physical activity trackers | Gouveia, Rúben ; Pereira, Fábio ; Caraban, Ana ; Munson, Sean A. ; Karapanos, Evangelos |
| 6 | Sep-2015 | Social toothbrush: fostering family nudging around tooth brushing habits | Caraban, Ana ; Ferreira, Maria José ; Gouveia, Rúben ; Karapanos, Evangelos |
| 7 | Sep-2015 | EMotion: Retrospective in-car user experience evaluation | Niforatos, Evangelos ; Karapanos, Evangelos ; Langheinrich, Marc ; Wurhofer, Daniela ; Krischkowsky, Alina ; Obrist, Marianna ; Tscheligi, Manfred |
| 8 | Sep-2015 | How do we engage with activity trackers? a longitudinal study of habito | Gouveia, Rúben ; Karapanos, Evangelos ; Hassenzahl, Marc |
| 9 | 1-Jul-2015 | Sustaining user engagement with behavior-change tools | Karapanos, Evangelos |
| 10 | Feb-2015 | EmoSnaps: a mobile application for emotion recall from facial expressions | Niforatos, Evangelos ; Karapanos, Evangelos |
| 11 | 19-Dec-2014 | Understanding families' motivations for sustainable behaviors | Barreto, Mary L. ; Szóstek, Agnieszka ; Karapanos, Evangelos ; Nunes, Nuno J. ; Pereira, Lucas ; Quintal, Filipe |
| 12 | 1-Nov-2014 | Online disclosure of personally identifiable information with strangers: Effects of public and private sharing | Venkatanathan, Jayant ; Kostakos, Vassilis ; Karapanos, Evangelos ; Gonçalves, Jorge |
| 13 | Nov-2014 | Beyond gamification: sociometric technologies that encourage reflection before behavior change | Belim, Vítor ; Lyra, Olga ; Teixeira, Pedro ; Caraban, Ana ; Ferreira, Maria José ; Gouveia, Rúben ; Lucero, Andrés ; Karapanos, Evangelos |
| 14 | Nov-2014 | Understanding users' disengagement with wearable activity trackers | Gouveia, Rúben ; Barros, Sergio ; Karapanos, Evangelos |
| 15 | Jun-2014 | SmartHolder: sensing and raising families' awareness of tooth brushing habits | Caraban, Ana ; Ferreira, Maria José ; Belim, Vítor ; Lyra, Olga ; Karapanos, Evangelos |
| 16 | Jun-2014 | Modeling what friendship patterns on facebook reveal about personality and social capital | Liu, Yong ; Venkatanathan, Jayant ; Goncalves, Jorge ; Karapanos, Evangelos ; Kostakos, Vassilis |
| 17 | 1-May-2014 | Citizen motivation on the go: the role of psychological empowerment | Gonçalves, Jorge ; Kostakos, Vassilis ; Karapanos, Evangelos ; Barreto, Mary L. ; Camacho, Tiago ; Tomasic, Anthony ; Zimmerman, John |
| 18 | May-2014 | Playful or gameful?: creating delightful user experiences | Lucero, Andrés ; Karapanos, Evangelos ; Arrasvuori, Juha ; Korhonen, Hannu |
| 19 | Apr-2014 | BreakOut: predicting and breaking sedentary behaviour at work | Ferreira, Maria José ; Karapanos, Evangelos ; Caraban, Ana |
| 20 | Oct-2013 | IncluCity: using contextual cues to raise awareness on environmental accessibility | Goncalves, Jorge ; Kostakos, Vassilis ; Hosio, Simo ; Karapanos, Evangelos ; Lyra, Olga |
