Enhanced security management for flexible and dynamic cooperative environments. - Jonas Schulte 001; Ingo Döpke; Reinhard Keil 001; Konrad Stark; Johann Eder (CollaborateCom, 2009)

Security Management for Flexibility in Virtual Knowledge Spaces. - Reinhard Keil 001; Jonas Schulte 001; Ingo Döpke (NCM, 2009)