1 across
in computing a process by which programs attempt to improve their perforance by learing from previous experience
7d
unsuccessful republican candidate in 2008 us presidential race...
35 d r-m-e-e the last e comes into 54 across which is in abet the first e is in 49 across is in oregon so whilst it would appear to be ramesesis the pharaoh the clues given do not allow it to be spelt...