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In high-level-architecture (HLA)-based distributed heterogeneous collaborative engineering environments (CEEs), the construction of federation object model files is time consuming. This paper presents an ontology fusion approach aiming at establishing a common understanding in such collaborative environments. The proposed approach has three steps: ontology mapping, ontology alignment, and ontology...
This paper presents a novel ontology fusion approach which aims to establish a mutual understanding among HLA (High Level Architecture) -based distributed heterogeneous collaborative product development systems. The approach includes three steps: ontology mapping, ontology alignment and ontology merging. It adopts an axiom-based deduction ontology fusion strategy, and takes heavy weighted ontologies...
This paper focuses on a multi-objective model of Vehicle Routing Problem with Time Windows (VRPTW), where the total distance, the vehicle number, and the time penalty of customers are taken into account. NSGA-II has been performed as an efficient algorithm in solving multi-objective problems, and the Or-opt heuristic is well-known as one of the classic optimization algorithms. A hybrid algorithm involving...
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