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The location and name of the Passage Extractor classifier file. This parameter applies only when Type is set to
HPE Answer Server uses the classifier and label files to save the trained question classifiers. The question classifiers describe the types of different questions, and therefore what entities (if any) to extract from candidate answers.
At startup, the question classifier uses the classifier file at this location, if it exists, or it saves the trained classifier resources to this location.
The question classifier is required by Passage Extractor. If you do not set
ClassifierFile, you cannot save the question classifier, and must retrain one each time you restart HPE Answer Server. To save the classifier, you must also set LabelFile.