as the technology evolves be able to
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Use a simple idea of what an assertion (property) is;
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See a document is seen as a combination of logical assertions;
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Deduce Version A document from Version B;
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Include notions of digital signature;
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Draw conclusions by combining many documents
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Prove a statement is valid from a given proof;
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Attempt arbitrary queries using a search engine
PS: Need RDB experts in XML and RDF groups!
