Srihari Tubati 2026. Workload-Aware Shard-Key Selection and Budget-Constrained Replica Placement for Geo-Distributed Online Transaction Processing Databases. International Journal of Computer Information Systems and Industrial Management Applications. 18, 21s (Aug. 2026), 1976–1983. DOI:https://doi.org/10.70917/ijcisim-2026-5973.