Tomi Janhunen Ilkka Niemelä Logics in Artificial Intelligence - 12th European Conference, JELIA 2010, Helsinki, Finland, September 13-15, 2010. Proceedings 6341 2010 http://dx.doi.org/10.1007/978-3-642-15675-5 978-3-642-15674-8 JELIA Lecture Notes in Computer Science Springer db/conf/jelia/jelia2010.html