Abstract: International audience ; Knowledge engineering has a vital role in advancing the semantic web, in which ontologies play a key role in data interoperability and integration. One of the key issues in ontology engineering is how to handle the subsequent updates in the ontologies. A number of concerns need to be considered while working on the ontology change, such as, tracking ontology versions and heterogeneity issues. Ontology change management has been partially addressed by different researchers in overlapping research areas. However, a concrete description of the problem and its related concerns are still not available in the literature. Our work aims to present an overview of ontology change management and its concerns. We point up the need for modularization in ontology change management based on its advantages in the context of ontology reuse from different contextual viewpoints. For this purpose, we propose a protege plugin for reusing OWL modules, and allowing a safe/clean manual integration and reuse of different ontology modules.
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