Towards assessing the quality evolution of Open Data portals. Umbrich, J., Neumaier, S., & Polleres, A. In ODQ2015: Open Data Quality: from Theory to Practice Workshop, Munich, Germany, March, 2015.
Towards assessing the quality evolution of Open Data portals [pdf]Paper  abstract   bibtex   
In this work, we present the Open Data Portal Watch project, a public framework to continuously monitor and assess the (meta-)data quality in Open Data portals. We critically discuss the objectiveness of various quality metrics. Further, we report on early findings based on 22 weekly snapshots of 90 CKAN portals and highlight interesting observations and challenges.

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