Digital Object Prototypes (DOPs) provide the DL designer with the ability to model diverse types of digital objects in a uniform manner while offering digital object type conformance; objects conform to the designer's type definitions automatically. In this paper, we outline how DOPs effectively capture and express digital object typing information and finally assist in the development of unified web-based DL services such as adaptive cataloguing, batch digital object ingestion and automatic digital content conversions. In contrast, conventional DL services require custom implementations for each different type of material.
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