Grammarlearninghasbeenabottleneckproblemforalongtime.Inthispaper,weproposeamethodofsemanticseparatorlearning,aspecialcaseofgrammarlearning.Themethodisbasedonthehypothesisthatsomeclassesofwords,calledsemanticseparators,splitasentenceintoseveralconstituents.Thesemanticseparatorsarerepresentedbywordstogetherwiththeirpart-of-speechtagsandotherinformationsothatrichsemanticinformationcanbeinvolved.Inthemethod,wefirstidentifyt
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