What is the fine-grained topic of the following text: Thus, we propose the use of ontologies to: i) introduce semantic levels of detail that help the sensorization of complex scenes; ii) create general and reusable operativity for autonomous characters; and iii) deﬁne social relations among agents within an artiﬁcial society. Only return the topic.
Use of ontologies in sensorization of complex scenes, creating operativity for autonomous characters, and defining social relations among artificial society agents.