| Coverage and adoption of altmetrics sources in the bibliometric community | 70 | 2.23 | 2013 |
| Incentives for emotional multimedia tagging | 1 | 0.35 | 2012 |
| Beyond citations: Scholars' visibility on the social Web | 50 | 2.88 | 2012 |
| Scientific bloggers under the altmetric microscope | 15 | 0.63 | 2012 |
| Folksonomy-Based Information Retrieval Under The Microscope | 0 | 0.34 | 2012 |
| Der T-Index als Stabilitätsindikator für dokument-spezifische Tag-Verteilungen. | 0 | 0.34 | 2011 |
| Retrieval effectiveness of tagging systems | 21 | 0.49 | 2011 |
