Abstract— Wireless sensor networks are useful for monitoring physical parameters and detecting objects or substances in an area. Most ongoing research consider the use of either ...
Many data base applications require the storage and manipulation of different versions of data objects. To satisfy the diverse needs of these applications, current database system...
A model of resource access control is presented in which the access control to resources can employ user interaction to obtain the necessary permissions. This model is inspired by...
: With the advances in a variety of software/hardware technologies and wireless networking, there is coming a need for ubiquitous collaboration which allows people to access inform...
Current ubiquitous computing environments provide many kinds of information. This information may be accessed by different users under varying conditions depending on various conte...