@InProceedings{vaandrager_et_al:LIPIcs.ICALP.2023.137, author = {Vaandrager, Frits and Wi{\ss}mann, Thorsten}, title = {{Action Codes}}, booktitle = {50th International Colloquium on Automata, Languages, and Programming (ICALP 2023)}, pages = {137:1--137:20}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-278-5}, ISSN = {1868-8969}, year = {2023}, volume = {261}, editor = {Etessami, Kousha and Feige, Uriel and Puppis, Gabriele}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ICALP.2023.137}, URN = {urn:nbn:de:0030-drops-181895}, doi = {10.4230/LIPIcs.ICALP.2023.137}, annote = {Keywords: Automata, Models of Reactive Systems, LTS, Action Codes, Action Refinement, Action Contraction, Galois Connection, Model-Based Testing, Model Learning} }