In some systems such dependencies are learned from labeled examples ( Bikel et al. 1997 ) .
nymble a high performance learning namefinder”
Daniel Bikel Scott Miller Richard Schwartz Ralph Weischedel
Named-entity recognition systems usually use sets of complex hand-crafted rules that employ a gazetteer and a local context ( Krupa and Hausman 1998 ) . In some systems such dependencies are learned from labeled examples ( Bikel et al. 1997 ) . The advantage of the namedentity approach is that the system not only identifies proper names but also determines their semantic class .
In some systems such dependencies are learned from labeled examples ( @@CITATION ) .