I agree. There was Debatepedia (http://dbp.idebate.org http://dbp.idebate.org), but it seems dead. Unless the arguments are in sort of machine readable format,

I agree. There was Debatepedia (http://dbp.idebate.org http://dbp.idebate.org), but it seems dead. Unless the arguments are in sort of machine readable format, any filtering will be difficult. The problem is the format - I believe AI researchers still struggle with that one.