@InCollection{hernich:DFU.Vol5.10452.161, author = {Hernich, Andr\'{e}}, title = {{Semantics for Non-Monotone Queries in Data Exchange and Data Integration}}, booktitle = {Data Exchange, Integration, and Streams}, pages = {161--184}, series = {Dagstuhl Follow-Ups}, ISBN = {978-3-939897-61-3}, ISSN = {1868-8977}, year = {2013}, volume = {5}, editor = {Kolaitis, Phokion G. and Lenzerini, Maurizio and Schweikardt, Nicole}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/DFU.Vol5.10452.161}, URN = {urn:nbn:de:0030-drops-42936}, doi = {10.4230/DFU.Vol5.10452.161}, annote = {Keywords: certain answers, closed world assumption, deductive databases, universal solutions, core} }