29 citations · 41 across the 5 of their papers we have counts for
5 papers
Mobile Text Entry Behaviour in Lab and In-the-Wild studies: Is it different?
Andreas Komninos, Kyriakos Katsaris, Emma Nicol +2
Text entry in smartphones remains a critical element of mobile HCI. It has been widely studied in lab settings, using primarily transcription tasks, and to a far lesser extent thro…
The Future Time Traveller Project: Career Guidance on Future Skills, Jobs and Career Prospects of Generation Z through a Game-Based Virtual World Environment
Michalis Xenos, Catherine Christodoulopoulou, Andreas Mallas +1
Future Time Traveller is a European project that aims at transforming career guidance of generation Z through an innovative, games-based scenario approach and to prepare the next g…
EigenRec: Generalizing PureSVD for Effective and Efficient Top-N Recommendations
Athanasios N. Nikolakopoulos, Vassilis Kalantzis, Efstratios Gallopoulos +1
We introduce EigenRec; a versatile and efficient Latent-Factor framework for Top-N Recommendations that includes the well-known PureSVD algorithm as a special case. EigenRec builds…
Top-N recommendations in the presence of sparsity: An NCD-based approach
Athanasios N. Nikolakopoulos, John D. Garofalakis
Making recommendations in the presence of sparsity is known to present one of the most challenging problems faced by collaborative filtering methods. In this work we tackle this pr…
Random Surfing Without Teleportation
Athanasios N. Nikolakopoulos, John D. Garofalakis
In the standard Random Surfer Model, the teleportation matrix is necessary to ensure that the final PageRank vector is well-defined. The introduction of this matrix, however, resul…