PDF files have become ubiquitous in our multi-platform world. This convenient file format makes it possible to view and share documents across various devices using various operating systems and ...

Did you know that the more you learn about the world around you, the smarter and more confident you become? General knowledge is not just about memorizing facts, it's about understanding the world, ...

Abstract: This paper provides a tool that aids users for remembering and recovering information on a mobile application, named RECall. The user can record his knowledge like schedules, medications or ...