@article {1908.04772, archivePrefix = {arXiv}, eprint = {1908.04772}, primaryClass = {cs.DB}, author = {Fotis Savva and Christos Anagnostopoulos and Peter Triantafillou}, title = {Adaptive Learning of Aggregate Analytics under Dynamic Workloads}, year = {2019}, url = {http://arxiv.org/abs/1908.04772} }