... fourDigitNum, containsDigitAndAlpha, containsDigitAndDash, containsDigitAndSlash, containsDigitAndComma, containsDigitAndPeriod, otherNum, allCaps, capPeriod, initCap, lowerCase, other. 6 Benchmarking ... unlimited raw corpus compensates for the modest recall. As a result, large quantities of NE instances are automatically acquired. An automatically annotated NE corpus can then be constructed by extracting ... focus on NE classification, assuming NE chunks have been constructed by the parser. The key idea of co-training is the separation of features into several orthogonal views. In case of NE classification,...