Michael Schulze, Markus Schröder, Christian Jilek, Torsten Albers, Heiko Maus, Andreas Dengel 0001. P2P-O: A Purchase-To-Pay Ontology for Enabling Semantic Invoices. In Ruben Verborgh, Katja Hose, Heiko Paulheim, Pierre-Antoine Champin, Maria Maleshkova, Óscar Corcho, Petar Ristoski, Mehwish Alam, editors, The Semantic Web - 18th International Conference, ESWC 2021, Virtual Event, June 6-10, 2021, Proceedings. Volume 12731 of Lecture Notes in Computer Science, pages 647-663, Springer, 2021. [doi]
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