@InProceedings{kotek_et_al:LIPIcs.CSL.2012.411, author = {Kotek, Tomer and Makowsky, Johann A.}, title = {{Connection Matrices and the Definability of Graph Parameters}}, booktitle = {Computer Science Logic (CSL'12) - 26th International Workshop/21st Annual Conference of the EACSL}, pages = {411--425}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-939897-42-2}, ISSN = {1868-8969}, year = {2012}, volume = {16}, editor = {C\'{e}gielski, Patrick and Durand, Arnaud}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CSL.2012.411}, URN = {urn:nbn:de:0030-drops-36871}, doi = {10.4230/LIPIcs.CSL.2012.411}, annote = {Keywords: Model theory, finite model theory, graph invariants} }