Supplementary reading: Schlieder’s paper on the semantic challenges of long-term preservation Schlieder’s paper establishes a very good first link between the two “worlds”: Digital Preservation and Semantic Web. Schlieder, C. (2010). Digital heritage: Semantic challenges of long-term preservation. Semantic Web, 1(1-2), 143-147. Estimated time required Approx. 3-4 hours – the paper is short, but requires careful reading.