Composability and Interoperability for Federated Data Systems
Modern data systems increasingly adopt composability as a de sign goal. Prior work on vertical composability has focused on assembling systems from modular internal components, such as parsers, optimizers, and execution engines. In contrast, horizontal composability enables the composition of existing, autonomous systems for ad-hoc data processing pipelines. In this talk, we focus on horizontal composability in federated settings. We present XDB, a system for in-situ cross-DBMS query processing that delegates ex ecution to underlying DBMSs, and XDBC, a high-performance data transfer framework that enables efficient interoperability across systems. Together, they provide a practical foundation for building composable and interoperable federated data systems.
