Al-Araba, Z. E., A. M. Gadallahb, and H. M. Hefny,
"Term weighting: A Multi-View Fuzzy ontology based approach",
(International Forum on Computer and Information Technology 2013, Shenzhen, Chaina, Applied Mechanics and Materials Vols. 519-520 (2014), pp. pp 857-862, 2014.