rates of sentences ( 46.1 % ) ( 53.9 % ) ( 40.4 % ) ( 59.6 % ) ( 70.7 % ) ( 29.3 % ) ( 54.3 % ) ( 45.7 % ) ( 64.3 % ) ( 35.7 % ) supervised CRF ( baseline ) 46.78 60.99 48.57 60.01 56.92 67.91 79.60 97.35 75.69 91.03 JESS-CM ( CRF/HMM ) 49.02 62.60 50.79 61.24 62.47 71.30 85.87 97.47 80.84 92.85 ( gain from supervised CRF ) ( +2.24 ) ( +1.61 ) ( +2.22 ) ( +1.23 ) ( +5.55 ) ( +3.40 ) ( +6.27 ) ( +0.12 ) ( +5.15 ) ( +1.82 )