Certainly, that is the purpose of the serving layer implementations in the three pre-packaged applications. Each of them loads a model and serves it in some way. See https://github.com/OryxProject/oryx/tree/master/app/oryx-app-serving/src/main/java/com/cloudera/oryx/app/serving In all cases it's PMML-based, however, there is no PMML vocabularly for a factored matrix model, given its size. It still uses PMML, but as a simple catalog of other feature vectors that will be sent separately. The other two use the standard clustering and decision forest models in PMML.
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