@InProceedings{feier:LIPIcs.ICDT.2022.12, author = {Feier, Cristina}, title = {{Characterising Fixed Parameter Tractability for Query Evaluation over Guarded TGDs}}, booktitle = {25th International Conference on Database Theory (ICDT 2022)}, pages = {12:1--12:20}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-223-5}, ISSN = {1868-8969}, year = {2022}, volume = {220}, editor = {Olteanu, Dan and Vortmeier, Nils}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ICDT.2022.12}, URN = {urn:nbn:de:0030-drops-158869}, doi = {10.4230/LIPIcs.ICDT.2022.12}, annote = {Keywords: omq, fpt evaluation, guarded tgds, unbounded arity, submodular width} }