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AB Cremers, S Alda & U Radetzki

Towards Semantic Grid in Construction Informatics

Abstract: Civil Engineering increasingly requires efficient Virtual Organizations of heterogeneous partners and facilities. Mainly four software architecture paradigms originating from the area of distributed computing have influenced the implementation of supporting software systems for Virtual Organizations: Grid, Peer-to-Peer, Agent as well as Web Service architectures. Each architecture paradigm accounts for different technical aspects that promote the realization of such software systems. The unification of these paradigms towards an integrated architecture has, to date, not been achieved. This keynote paper summarizes the state-of-the-art architecture paradigms and proposes elementary design issues for an integrating architecture. This architecture incorporates ontologies for regulating the communication and interoperability among different services. An application scenario finally demonstrates the usage of such an architecture.

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Permission to reproduce these papers has been graciously provided by the Technische Universitšt Dresden.


S Alda, A B Cremers, J Bilek & D Hartmann

Integrated Multiagent and Peer-to-Peer based Workflow-Control of Dynamic Networked Co-operations in Structural Design

Abstract: Modern engineering projects in the application domain of structural design are organized in networked co-operations due to permanently enlarged competition pressure and a high degree of complexity while performing concurrent design activities. One of the major challenges of these networked co-operations constitutes the coordination of the activities of all involved participants. In the course of our common research activities, we have developed two different directions for coordinating these projects: i) a workflow-based concept regulating the activities explicitly by a global workflow model (University of Bochum) and ii) an awareness model that allows to perceive activities of other protagonists and to derive new activities mentally. This paper describes a novel integration approach of these two models: according to the global workflow model, users can be connected through awareness channels that enable them to detect potential inconsistencies during their concurrent modeling activities. Inconsistencies that would otherwise remain in the project progress can thus be discovered at a very early stage.

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Full text: content.pdf (793,714 bytes) (available to registered users only)

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Sascha Alda, and Armin B. Cremers

The DeEvolve Platform - Ensuring The Consistency Between Dispersed Planning Activities In Structural Design Projects

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Series: w78:2006 (browse)
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