Concurrency control in groupware systems
SIGMOD '89 Proceedings of the 1989 ACM SIGMOD international conference on Management of data
Groupware: some issues and experiences
Communications of the ACM
The representation of policies as system objects
COCS '91 Proceedings of the conference on Organizational computing systems
Access control for collaborative environments
CSCW '92 Proceedings of the 1992 ACM conference on Computer-supported cooperative work
Supporting collaborative processes with ConversationBuilder
Computer Communications - Special issue: computer supported cooperative work
Session management for collaborative applications
CSCW '94 Proceedings of the 1994 ACM conference on Computer supported cooperative work
Beyond the workstation: mediaspaces and augmented reality
HCI '94 Proceedings of the conference on People and computers IX
Toward principles for the design of ontologies used for knowledge sharing
International Journal of Human-Computer Studies - Special issue: the role of formal ontology in the information technology
Building real-time groupware with GroupKit, a groupware toolkit
ACM Transactions on Computer-Human Interaction (TOCHI)
Physical spaces, virtual places and social worlds: a study of work in the virtual
CSCW '96 Proceedings of the 1996 ACM conference on Computer supported cooperative work
Floor control for multimedia conferencing and collaboration
Multimedia Systems
A Formal Basis for Structured Multimedia Collaborations
ICMCS '95 Proceedings of the International Conference on Multimedia Computing and Systems
Work, locales and distributed social worlds
ECSCW'95 Proceedings of the fourth conference on European Conference on Computer-Supported Cooperative Work
RISE'06 Proceedings of the 3rd international conference on Rapid integration of software engineering techniques
A semantic-driven auto-adaptive architecture for collaborative ubiquitous systems
CSTST '08 Proceedings of the 5th international conference on Soft computing as transdisciplinary science and technology
An ontology-driven approach for collaborative ubiquitous systems
International Journal of Autonomic Computing
Expert Systems with Applications: An International Journal
Architecture for developing adaptive and adaptable collaborative applications
ECSA'07 Proceedings of the First European conference on Software Architecture
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Groupware applications support group work and groups may perform geographically distributed with different roles and using different organizational structures. It is important that these applications do not provide only the needed infrastructure to support group work, but also grant some ways to change the group behaviour during a session. Therefore, this paper presents a conceptual model of the session management policies by means of an ontology, i.e. we model the form in which group work is organized. This ontology describes the concepts, the relations among them and the axioms that allow to specify and control the role changes that a user can play in a session and the changes in the rights/obligations of each role. In this model we have separated the mechanisms that consent to establishing a session (i.e. mechanisms to create the shared workspace) from the session management policies. Moreover, we can create templates of policies that can be employed to facilitate their reuse in runtime. In this way, we can affirm that this model smooths the dynamic group work.