M2etis: An adaptable Publish/Subscribe System for MMVEs based on Event Semantics. - Thomas Fischer 002; Johannes Held 001; Richard Lenz (BTW Workshops, 2011)

Towards an adaptive event dissemination middleware for MMVEs. - Thomas Fischer 002; Johannes Held 001; Frank Lauterwald; Richard Lenz (DEBS, 2011)

Towards measuring test data quality. - Johannes Held 001; Richard Lenz (EDBT/ICDT Workshops, 2012)

TDQMed: Managing Collections of Complex Test Data. - Johannes Held 001; Richard Lenz (ADBIS, 2015)

Datenqualität für Testdaten - Eine Nutzbarkeitsanalyse für Testdatensammlungen. - Johannes Held 001 (2016)