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OrpheusDB is a hosted system that supports relational dataset version management. OrpheusDB is built on top of standard relational databases, thus it inherits much of the same benefits of relational databases, while also compactly storing, tracking, and recreating versions on demand, all very efficiently.
OrpheusDB is built using PostgreSQL and Click, a command line tool written in Python. Our current version supports advanced querying capabilities, using both the git-style version control commands, as well as SQL queries on one or more dataset versions. The paper describing the design, functionality, optimization, and performance evaluation can be found [at this link][papersite].
OrpheusDB is a multi-year project, supported by the National Science Foundation via award number 1513407. It shares the vision of the DataHub project in supporting collaborative data analytics.