The notation * denotes that except the term "concern" there are other terms that occur only one time among 6 ranking models, which are listed as follows: breach, profit, violat, regain, uncomplet, accid, abl, integr, doubt, grantor; similarly, for the notation ∧, the terms are: incorrectli, fault, nondisclosur, misus, breakag, defalc, excit, unclear, sentenc, overdu, omit, inforc, irrevoc, unencumb, further, variant, precipit, libel, loss.
in the following discussions, we conduct some analyses on the words learned from the ranking models.