The following publications are possibly variants of this publication:
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- Self-Managed Cells and their FederationJoseph S. Sventek, Nagwa Badr, Naranker Dulay, Steven Heeps, Emil Lupu, Morris Sloman. caise 2005: 97-107
- Ponder2 - A Policy Environment for Autonomous Pervasive SystemsKevin P. Twidle, Emil Lupu, Naranker Dulay, Morris Sloman. policy 2008: 245-246 [doi]
- Ponder2: A Policy System for Autonomous Pervasive EnvironmentsKevin P. Twidle, Naranker Dulay, Emil Lupu, Morris Sloman. icas 2009: 330-335 [doi]