189597dc_cholars____Hipertext_____UPF____Off_line
[Characteristics] Use of the application [Online] From any computer from any part of the world, without the need of installing an application previously. [Off-line] 
Local mode from a computer with the necessary pre-installed and configured application
Science 2.0: Social networks and online applications for scholars. - Hipertext - ( UPF )
Off-line