Realizing Closed-Loop Supply Chain Networks based on Dataspaces and Manufacturing MarketplacesLeonhard Kunz; Manuel Reif; Teresa Petzsche; Anne Schmallenbach; Christiane Plociennik; Martin RuskowskiIn: IFAC-PapersOnLine. IFAC Symposium on Information Control Problems in Manufacturing (INCOM-2024), Pages 235-240, Vol. 58, Elsevier, 1/2024.