Shihong Huang Vaishali Gohel Sam Hsu Towards interoperability of UML tools for exchanging high-fidelity diagrams. 134-141 2007 SIGDOC http://doi.acm.org/10.1145/1297144.1297172 conf/sigdoc/2007 db/conf/sigdoc/sigdoc2007.html#HuangGH07