google-cloud-recommendation_engine-v1beta1

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

Recommendations AI service enables customers to build end-to-end personalized recommendation systems without requiring a high level of expertise in machine learning, recommendation system, or Google Cloud. 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.