The YUMA Media Annotation Framework. - Rainer Simon; Joachim Jung; Bernhard Haslhofer (TPDL, 2011)

YUMA - Crowd Sourced Metadata Enrichment for Online Collections. - Joachim Jung; Rainer Simon; Bernhard Haslhofer (ERCIM News, 2011)

The YUMA Universal Media Annotator. - Rainer Simon; Bernhard Haslhofer; Joachim Jung (Bull. IEEE Tech. Comm. Digit. Libr., 2013)

Challenges and benefits of a collaboration of the Collaborators: Panel. - William Kilbride; Marcel Ras; Joachim Jung; Sabine Schrimpf (iPRES, 2016)

veraPDF: building an open source, industry supported PDF/A validator for cultural heritage institutions. - Carl Wilson; Rebecca McGuinness; Joachim Jung (Digit. Libr. Perspect., 2017)