Dana Angluin James Aspnes Jiang Chen Lev Reyzin Learning Large-Alphabet and Analog Circuits with Value Injection Queries. 51-65 2007 conf/colt/2007 COLT http://dx.doi.org/10.1007/978-3-540-72927-3_6 db/conf/colt/colt2007.html#AngluinACR07