@article{paperid:1053392,
author = {Ensan, F and Weichang DU},
title = {A knowledge encapsulation approach to ontology modularization},
journal = {Knowledge and Information Systems},
year = {2011},
volume = {26},
number = {2},
month = {February},
issn = {0219-1377},
pages = {249--283},
			numpages = {34},
keywords = {Ontology Semantic Web Modularization Modular ontology Description logics Encapsulation},
}