What is the fine-grained topic of the following text: BAE Systems has sponsored and participated in the 2nd Innovation Conference and Exposition 2012 (INNOCONF 2012) which was held at Politeknik Premier Sultan Salahuddin Abdul Aziz Shah in Shah Alam between 17 and 18 July. Only return the topic.
BAE Systems' participation in the 2nd Innovation Conference and Exposition 2012 (INNOCONF 2012)