Exception handling in context-aware agent systems: A case study

Cacho, N; Damasceno, K; Garcia, A; Romanovsky, A; Lucena, C

doi:10.1007/978-3-540-73131-3_4

Exception handling in context-aware agent systems: A case study

Lookup NU author(s): Emeritus Professor Alexander Romanovsky ORCiD

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Abstract

Handling erroneous conditions in context-aware mobile agent systems is challenging due to their intrinsic characteristics: openness, lack of structuring, mobility, asynchrony and increased unpredictability. Even though several context-aware middleware systems now support the development of mobile agent-based applications, they rarely provide explicit and adequate features for context-aware exception handling. This paper reports our experience in implementing error handling strategies in some prototype context-aware collaborative applications built with the MoCA (Mobile Collaboration Architecture) system. MoCA is a publish-subscribe middleware supporting the development of collaborative mobile applications by providing explicit services that empower software agents with context-awareness. We propose a novel context-aware exception handling mechanism and discuss some lessons learned during its integration in the MoCA infrastructure. © Springer-Verlag Berlin Heidelberg 2007.