e-Government services are emerging rapidly in the developing world. Many countries use e-Government as an enabling tool to increase efficiency, enhance transparency, collect more ...
Vasileios Zarimpas, Maria Grouztidou, Despina Anas...
—In this paper, we describe and compare three Collaborative Filtering (CF) algorithms aiming at the low-rank approximation of the user-item ratings matrix. The algorithm implemen...
Manolis G. Vozalis, Angelos I. Markos, Konstantino...
—Efficient management of massive data sets is a key aspect in typical grid and e-science applications. To this end, the benefits of employing database technologies in such appl...