Hoffmann, Axel, Bittner, Eva Alice Christiane and Leimeister, Jan Marco. "The Emergence of Mutual and Shared Understanding in the System Development Process." In Requirements Engineering: Foundation for Software Quality, Lecture Notes in Computer Science , edited by Joerg Doerr and Andreas L. Opdahl , 174-189. Essen, Germany: Springer Verlag, 2013.

Jäschke, Robert, Hotho, Andreas, Schmitz, Christoph, Ganter, Bernhard and Stumme, Gerd. "Discovering Shared Conceptualizations in Folksonomies." Journal of Web Semantics 6 , no. 1 (2008): 38-53.

Jäschke, Robert, Hotho, Andreas, Schmitz, Christoph, Ganter, Bernhard and Stumme, Gerd. "Discovering Shared Conceptualizations in Folksonomies." Journal of Web Semantics 6 , no. 1 (2008): 38-53.

Mathes, Adam Folksonomies -- Cooperative Classification and Communication Through Shared Metadata. (2004). .