Comments on CC/PP 2.0 Last Call: Usage of Bag/Seq

The document makes use of Seq and Bag for Complex attributes[1]. The
problem is that, from an RDF/RDFS point of view, both of these are quite
ill-defined semantically. Though formally they are not deprecated in the
latest (2004) version of RDF, this was more due to chartering and
administrative reasons rather than anything else. From a Semantic Web
perspective it would be better if a new W3C recommendation could avoid
using those.

For Bag-s, multivalued properties could be a clear alternative; lists
(collections) are a clean alternative for Seq-s.

Ivan

[1] http://www.w3.org/TR/CCPP-struct-vocab2/#ComplexAttribute


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Ivan Herman, W3C Semantic Web Activity Lead
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