@inproceedings{paperid:1053630,
author = {Ensan, F and Weichang Du},
title = {An Interface-Based Ontology Modularization Framework for Knowledge Encapsulation},
booktitle = {International Semantic Web Conference},
year = {2008},
location = {GERMANY},
keywords = {Modular ontology;  knowledge encapsulation; OWL-DL},
}