@inproceedings{toussaint:hal-03128504, TITLE = {{Knowledge-Preserving Certain Answers for SQL-like Queries}}, AUTHOR = {Toussaint, Etienne and Guagliardo, Paolo and Libkin, Leonid}, URL = {https://inria.hal.science/hal-03128504}, BOOKTITLE = {{KR 2020 - 17th International Conference on Principles of Knowledge Representation and Reasoning}}, ADDRESS = {Rhodes / Virtual, Greece}, PUBLISHER = {{International Joint Conferences on Artificial Intelligence Organization}}, PAGES = {758-767}, YEAR = {2020}, MONTH = Sep, DOI = {10.24963/kr.2020/78}, PDF = {https://inria.hal.science/hal-03128504/file/main1.pdf}, HAL_ID = {hal-03128504}, HAL_VERSION = {v1}, }