google-cloud-recommendation_engine-v1beta1

https://github.com/googleapis/google-cloud-ruby

Recommendations AI enables you to build an end-to-end personalized recommendation system based on state-of-the-art deep learning ML models, without a need for expertise in ML or recommendation systems. Note that google-cloud-recommendation_engine-v1beta1 is a version-specific client library. For most uses, we recommend installing the main client library google-cloud-recommendation_engine instead. See the readme for more details.