Business Analytics on Knowledge Graphs for Market Trend Analysis. - Jens Albrecht; Andreas Belger; Ralph Blum; Roland Zimmermann 001 (LWDA, 2019)

Market and Technology Monitoring Driven by Knowledge Graphs. - Andreas Belger; Renato Budinich; Ralph Blum; Martin Zablocki; Roland Zimmermann 001 (ESWC (Satellite Events), 2020)

HOLY: An Ontology Covering the Hydrogen Market. - Kiara M. Ascencion Arevalo; Christoph Neunsinger; Roland Zimmermann 001; Ralph Blum; Kendra Weakly (ISWC, 2023)