... for the LB-2g oracle: p = 0.3, r =0.15; p = 0.3, r = 0.175 and p = 0.575, r = 0.1.The proposed LB, ILP and RLX oracles werethe best performing oracles, with the ILP andRLX oracles being considerably ... sameballpark, with p ≈ 0.3 and r ≈ 0.2.5 Oracles with n-gram ClippingIn this section, we describe two new oracle de-coders that take n-gram clipping into account.These oracles leverage on the well-known ... sec-tions 4 and 5. We then report evaluations of theexisting and new oracles on machine translationtasks.2 Preliminaries2.1 Oracle Decoding TaskWe assume that a phrase-based decoder is ableto...