Paper describing an analysis of subject representation in the Digital Public Library of America (DPLA), an aggregate digital library containing more than 8 million item-level metadata records at the time of the study. The findings provide information about the minimum, maximum, and average number of subjects in records from different hubs and hub types, as well as the distribution of unique subject terms across the entire collection.

Article defining ways that metadata records might change (addition, deletion, or modification) and describing a study to evaluate multiple versions of selected records in the UNT Libraries' Digital Collections to observe the types and frequency of various changes.

Presentation for the 2014 International Conference on Knowledge Management. This presentation discusses metadata changes and meeting the evolving requirements.