Kei-Hoi Cheung Peishen Qi David Tuck Michael Krauthammer A semantic web approach to biological pathway data reasoning and integration. 207-215 2006 4 J. Web Sem. 3 http://dx.doi.org/10.1016/j.websem.2006.05.005 db/journals/ws/ws4.html#CheungQTK06