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Ontology-based modeling and configuration of construction processes using process patterns
Process modeling is used in construction to plan and manage the construction process and to support various simulation tasks. A major problem is that due to the one-of-a-kind character of construction projects a lot of work is spent manually developing an overall process schedule for each project. However, the total individual process is typically structured into multiple stages containing a number of recurring similar, but unequal, subprocesses that can be standardized, if appropriately generalized, to generic reusable process patterns. Moreover, not only processes, but also many general construction methods and strategies can be standardized and stored in the form of patterns and configuration rules, which will improve the consistency of modeling and also improve modeling time. The presented work addresses these issues and presents a new approach for the ontology-based process modeling and its combination with the rule-based process configuration. The proposed system supports the generation of process workflows for construction projects that could be later used in discrete-event simulation software or workflow programs. A formal high-level model for construction processes and a methodology for using process patterns in the configuration of complex construction tasks are the main focuses of this work. The base idea of the proposed approach is the development and use of two separate, but interrelated, ontologies and their integration with a general-purpose rule-engine. The first ontology is the Process Pattern Ontology, which is used to store reusable process patterns. The second is the Process Instance Ontology, which has similar taxonomy to the Process Pattern Ontology but is uniquely populated with specific process assertions for each construction case. The developed approach also suggests the application of the process patterns for the configuration of construction processes. This includes the mechanism of the process pattern retrieval, describing the extraction of the required process pattern from the ...
Ontology-based modeling and configuration of construction processes using process patterns
Process modeling is used in construction to plan and manage the construction process and to support various simulation tasks. A major problem is that due to the one-of-a-kind character of construction projects a lot of work is spent manually developing an overall process schedule for each project. However, the total individual process is typically structured into multiple stages containing a number of recurring similar, but unequal, subprocesses that can be standardized, if appropriately generalized, to generic reusable process patterns. Moreover, not only processes, but also many general construction methods and strategies can be standardized and stored in the form of patterns and configuration rules, which will improve the consistency of modeling and also improve modeling time. The presented work addresses these issues and presents a new approach for the ontology-based process modeling and its combination with the rule-based process configuration. The proposed system supports the generation of process workflows for construction projects that could be later used in discrete-event simulation software or workflow programs. A formal high-level model for construction processes and a methodology for using process patterns in the configuration of complex construction tasks are the main focuses of this work. The base idea of the proposed approach is the development and use of two separate, but interrelated, ontologies and their integration with a general-purpose rule-engine. The first ontology is the Process Pattern Ontology, which is used to store reusable process patterns. The second is the Process Instance Ontology, which has similar taxonomy to the Process Pattern Ontology but is uniquely populated with specific process assertions for each construction case. The developed approach also suggests the application of the process patterns for the configuration of construction processes. This includes the mechanism of the process pattern retrieval, describing the extraction of the required process pattern from the ...
Ontology-based modeling and configuration of construction processes using process patterns
10.06.2015
Hochschulschrift
Elektronische Ressource
Englisch
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