Many authorization system models include some notion of obligation. Little attention has been given to user obligations that depend on and affect authorizations. However, to be u...
Murillo Pontual, Omar Chowdhury, William H. Winsbo...
Privacy is today an important concern for both data providers and data users. Data generalization can provide significant protection of an individual’s privacy, which means the...
Abstract. In many application domains, e.g. sensor databases, traffic management or recognition systems, objects have to be compared based on positionally and existentially uncert...
Thomas Bernecker, Hans-Peter Kriegel, Matthias Ren...
We report on a year-long qualitative and ethnographic project to examine the value of digital pen technology for note taking. A digital pen captures a facsimile of information wri...
Christopher N. Chapman, Michal Lahav, Susan Burges...
Emergencies today seem larger, more complex, and unique than those of the past. Responding to them requires flexibility and creativity not easily achieved. The threat-rigidity the...