K. Schmidt, R. Stühmer, and L. Stojanovic. Intelligent Event Processing, Papers from the 2009 AAAI Spring Symposium, SS-09-05, page 67--72. Menlo Park, CA, AAAI Press, (2009)
S. Hosain, and H. Jamil. Social Semantic Web: Where Web 2.0 Meets Web 3.0, Papers from the 2009 AAAI Spring Symposium, SS-09-08, page 53--58. Menlo Park, CA, AAAI Press, (2009)
D. Anicic, and N. Stojanovic. Intelligent Event Processing, Papers from the 2009 AAAI Spring Symposium, SS-09-05, page 14--20. Menlo Park, CA, AAAI Press, (2009)