BPMN2.0模型符号:
http://wenku.baidu.com/link?url=fG-hNotbtfAK6mwv8MUpsYLyqFgqrs2pwXDryRAF6nA7lRlFWTtYJwL6lYOg8J6bYcwxk8Qwm9wKzdgMKBilkx3VV2qZG1090MAI0AUNYgu
BPMN2.0模型:
http://wenku.baidu.com/link?url=tdGsiN5RZvV7T41rouPyRKElWy7G3SSHx1M-XqEjEM_Y1rB0WMGxNGzGtHrZKmxnAWG8n49hs2s-jwOCyqI8xZikfpmmNP6zJ-AtT7Dvoba
BPMN规范:
http://www.omg.org/spec/BPMN/20100501/BPMNDI.xsd
http://www.omg.org/spec/BPMN/20100501/Semantic.xsd