People engage in small talk and conversational storytelling to provide information in engaging ways and to serve interpersonal goals such as building rapport and credibility. Embo...
Task delegation presents one of the business process security leitmotifs. It defines a mechanism that bridges the gap between both workflow and access control systems. There are tw...
Workers in organizations frequently request help from assistants by sending request messages that express information intent: an intention to update data in an information system....
Many substantial geographic information systems (GIS) have been designed for use by expert users. As a result, nonexpert users often find them difficult to use. This paper present...
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...