Answer Server 26.3
Answer Server Help

# ClassifierFile

The location and name of the Passage Extractor classifier file. This parameter applies only when Type is set to `PassageExtractor` or `PassageExtractorLLM`.

Answer Server uses the classifier and label files to save the trained question classifiers. The question classifiers describe the types of different questions. For `PassageExtractor` systems, this determines 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 Answer Server. To save the classifier, you must also set LabelFile.

Type: | String
Default: |
Required: | Yes, when Type is set to `PassageExtractor` or `PassageExtractorLLM`
Configuration Section: | MySystem
Example: | `ClassifierFile=./passageextractor/classifiertraining/svm_en.dat`
See Also: | LabelFile

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Version 26.3 | Last updated July 2026

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Product: Knowledge Discovery Answer Server 26.3

Topic Title: ClassifierFile