Savitha Srinivasan Arnon Amir Prasad Deshpande Vladimir Zbarsky On business activity modeling using grammars. 1046-1047 2005 conf/www/2005si WWW (Special interest tracks and posters) http://doi.acm.org/10.1145/1062745.1062861 db/conf/www/www2005si.html#SrinivasanADZ05