Naoyasu Ubayashi Genya Otsubo Kazuhide Noda Jun Yoshida An Extensible Aspect-Oriented Modeling Environment. 17-31 2009 CAiSE http://dx.doi.org/10.1007/978-3-642-02144-2_7 conf/caise/2009 db/conf/caise/caise2009.html#UbayashiONY09