Purpose Management and Enforcement for Sensitive Private Data in Open Environments

This paper provides an overview of our research including the specication of research, the primaryresult we achieved so far, and the remaining questions to be addressed. We set ourselves in the eld ofsecure processing of sensitive private nomad data in open (distributed) environments. The goal of theresearch is to investigate the role and impact of "purpose" in authorization process (access as well as usagecontrol) and dene a mechanism to manage and enforce them. The research includes: (1) study, analyze,and clear the meaning of purpose, (2) management of purpose binding of data, (3) study the possibilities torecognize purpose binding and enforcement, and (4) clear the meaning and impact of personal relationship1,context on purpose in authorization process