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Publikation

ptpDG: A Purchase-To-Pay Dataset Generator for Evaluating Knowledge-Graph-Based Services

Michael Schulze; Markus Schröder; Christian Jilek; Andreas Dengel
In: Oshani Seneviratne; Catia Pesquita; Juan Sequeda; Lorena Etcheverry (Hrsg.). Proceedings of the ISWC 2021 Posters, Demos and Industry Tracks From Novel Ideas to Industrial Practice co-located with 20th International Semantic Web Conference (ISWC 2021). International Semantic Web Conference (ISWC), located at ISWC 2021, October 24-28, Virtual Conference, Vol. 2980, CEUR-WS.org, 2021.

Zusammenfassung

This paper introduces ptpDG, a labeled-dataset generator that generates various data assets for evaluating knowledge graph construction approaches and downstream knowledge services in the purchase-to-pay domain: While organizations sell, purchase and complain about products in a multi-agent-system simulation, a ground truth knowledge graph emerges with different kinds of purchase-to-pay processes. Based on this knowledge graph, heterogeneous electronic purchase-topay documents such as e-invoices, credit notes and orders are generated. To those documents, noise patterns are added that we have frequently encountered in real industrial data. Finally, a provenance graph is generated which contains provenance information between document elements and ground truth triples. In this way, for such privacy sensitive scenarios, ptpDG enables data-driven evaluation and its publication.

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