@misc{indiciae4467194e86da, title = {Apache Calcite: A Foundational Framework for Optimized Query Processing Over Heterogeneous Data Sources}, author = {Begoli, Edmon and Camacho-Rodri´guez, Jesu´s and Hyde, Julian and Mior, Michael J. and Lemire, Daniel}, year = {2018}, doi = {10.1145/3183713.3190662}, url = {https://www.osti.gov/biblio/1474637}, note = {Source identifier: 1474637} }