Gopal Gupta Ajay Bansal Richard Min Luke Simon Ajay Mallya Coinductive Logic Programming and Its Applications. 27-44 2007 conf/iclp/2007 ICLP http://dx.doi.org/10.1007/978-3-540-74610-2_4 db/conf/iclp/iclp2007.html#GuptaBMSM07