@InProceedings{gradel_et_al:LIPIcs.CSL.2018.25, author = {Gr\"{a}del, Erich and Hoelzel, Matthias}, title = {{Dependency Concepts up to Equivalence}}, booktitle = {27th EACSL Annual Conference on Computer Science Logic (CSL 2018)}, pages = {25:1--25:21}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-088-0}, ISSN = {1868-8969}, year = {2018}, volume = {119}, editor = {Ghica, Dan R. and Jung, Achim}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CSL.2018.25}, URN = {urn:nbn:de:0030-drops-96921}, doi = {10.4230/LIPIcs.CSL.2018.25}, annote = {Keywords: Logics of dependence and independence, Team semantics, Existential second-order logic, Observational equivalence, Expressive power} }