August 2009
Intermediate to advanced
456 pages
14h 8m
English
Content preview from Foundations of Semantic Web Technologies
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Applications 345
which is a site for recipes, cooking, restaurants, etc., and Vodafone life!,
33
which provides downloads for mobile phones.
9.4 Semantic Metadata in Data Formats
Some data formats for documents allow us to include metadata about the
document. This allows us to convey information like authorship, creation
date, and the like, in a machine-readable form, and to do so even if the visual
appearance of the document, e.g., a picture, would not state this information.
To aid portability and reuse of this me tadata, some data formats use RDF
for expressing it.
Probably the most prominent example is Adobe XMP,
34
which allows us to
include RDF-based ...
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