“We rebuilt the completely open source online mathematics and data analysis web application this summer using , and RethinkDB. I will give a quick tour of SageMathcloud, pointing out how RethinkDB is used extensively to implement features in a clean way, then explain how the application works under the hood. In particular, I created a declarative schema format for user queries of tables (inspired by GraphQL/Relay), but built on RethinkDB changefeeds. I will explain
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