Chujun Song Enhancing Modern Query Federation Systems: Execution Optimization, Performance Prediction, and Systems Assessment. 2024 University of Maryland, College Park, MD, USA http://hdl.handle.net/1903/33433 https://doi.org/10.13016/l1sz-elcm https://www.base-search.net/Record/86477dabe620077e18ea0e9cc1d850f81b988a8ee42234ef864d53f0c79b6c6c base-search.net (ftunivmaryland:oai:drum.lib.umd.edu:1903/33433)