Dagstuhl Reports, Volume 9, Issue 9,

• Dagstuhl Reports, Volume 9, Issue 9, September 2019, Complete Issue 10.4230/DagRep.9.9
• Dagstuhl Reports, Table of Contents, Volume 9, Issue 9, 2019 10.4230/DagRep.9.9.i
• Michael Benedikt, Kristian Kersting, Phokion G. Kolaitis, and Daniel Neider Logic and Learning (Dagstuhl Seminar 19361) 10.4230/DagRep.9.9.1
• Carsten Fuhs, Philipp Rümmer, Renate Schmidt, and Cesare Tinelli Deduction Beyond Satisfiability (Dagstuhl Seminar 19371) 10.4230/DagRep.9.9.23
• Umberto Grandi, Stefan Napel, Rolf Niedermeier, and Kristen Brent Venable Application-Oriented Computational Social Choice (Dagstuhl Seminar 19381) 10.4230/DagRep.9.9.45
• Cinzia Cappiello, Avigdor Gal, Matthias Jarke, and Jakob Rehof Data Ecosystems: Sovereign Data Exchange among Organizations (Dagstuhl Seminar 19391) 10.4230/DagRep.9.9.66
• Jo Ellis-Monaghan, Andrew Goodall, Iain Moffatt, and Kerri Morgan Comparative Theory for Graph Polynomials (Dagstuhl Seminar 19401) 10.4230/DagRep.9.9.135