@articleBeverungen_Müller_Matzner_Mendling_vom Brocke_2019, title=Conceptualizing smart service systems, volume=29, DOI=10.1007/s12525-017-0270-5, journal=Electronic Markets, publisher=SpringerNature, author=Beverungen, Daniel and Müller, Oliver and Matzner, Martin and Mendling, Jan and vom Brocke, Jan, year=2019, pages=7–18