Each of these techniques were shown to be useful (Spanish test set: F =1 =75.78 Dutch test set: F =1 =70.67).
incorporating a list of person names in the training process did not help (Spanish test set: F =1 =73.66 Dutch test set: F =1 =68.08) Jansche (2002) employed a rst-order Markov model as a named entity recognizer.