Spiliopoulou, M., M. Hatzopoulos, and C. Vassilakis. “A Cost Model for the Estimation Query Execution Time in a Parallel Environment Supporting Pipeline”. COMPUTING AND INFORMATICS 15, no. 4 (March 5, 2012): 341–368. Accessed April 19, 2024. https://www.cai.sk/ojs/index.php/cai/article/view/692.