The Web is a universal repository of human knowledge and culture which has allowed unprecedented sharing of ideas and information in a scale never seen before. It can also be cons...
Abstract— In this paper, we propose a distributed opportunistic access scheme for uplink OFDMA systems. The sub-carriers are grouped into several sub-channels. Users access these...
This paper analyzes some of the factors that prevent knowledge construction and reuse in traditional library settings and describes VRef, an environment designed to provide users ...
Scienti c research addressing global change continues to generate large quantities of information for analysis and understanding. However, the volume, distributed nature, and dive...
Betty H. C. Cheng, Robert H. Bourdeau, Gerald C. G...
—In a number of scenarios, services generated using a model-driven development (MDD) approach could benefit from “reflective” access to the information in the models from w...