GEM: A generic visualization and editing facility for heterogeneous metadata
Many model management tasks, e.g., schema matching or merging, require the manual handling of metadata. Given the diversity of metadata, its many different representations and modes of manipulation, meta-modeland task-specific editors usually have to be created from scratch with a considerable investment in time and effort. To ease the creation of custom-tailored editing facilities, we present GEM, a generic editor capable of visualizing and editing arbitrary metadata in an integrated manner. GEM provides a stylesheet language based on graph transformations to customize both, the mode of visualization and the available manipulation operations.
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