DejaView: a personal virtual computer recorder

As users interact with the world and their peers through their computers, it is becoming important to archive and later search the information that they have viewed. We present DejaView, a personal virtual computer recorder that provides a complete record of a desktop computing experience that a user can playback, browse, search, and revive seamlessly. DejaView records visual output, checkpoints corresponding application and file system state, and captures displayed text with contextual information to index the record. A user can then browse and search the record for any visual information that has been displayed on the desktop, and revive and interact with the desktop computing state corresponding to any point in the record. DejaView combines display, operating system, and file system virtualization to provide its functionality transparently without any modifications to applications, window systems, or operating system kernels. We have implemented DejaView and evaluated its perfor...

• Type: Conference
• Year: 2007
• Where: SOSP
• Authors: Oren Laadan, Ricardo A. Baratto, Dan B. Phung, Shaya Potter, Jason Nieh
• Keywords: Desktop Computing Experience, Desktop Computing State, Operating System, SOSP 2007, User Noticeable Performance