Much of the ongoing research in ubiquitous computing has concentrated on providing context information, e.g. location information, to the level of services and applications. Typic...
No reliable method currently exists to safeguard the privacy of private information. Privacy policies are insufficient as compliance can not be enforced automatically. In this pap...
While users disseminate various information in the open and widely distributed environment of the Semantic Web, determination of who shares access to particular information is at ...
GPS-enabled mobile devices are a quickly growing market and users are starting to share their location information with each other through services such as Google Latitude. Locati...
CityFlocks is a mobile system enabling visitors and new residents in a city to tap into the knowledge and experiences of local residents, so as to gather information about their n...