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        |  AUTHOR: Wolfram Cohen and Reinhold Klapsing
        |  TITLE:  A Logical Interpretation of RDF
        |  PAPER:  http://www.ida.liu.se/ext/epa/cis/2000/013/tcover.html
        |  [provisional]
        |  REVIEW: http://www.ida.liu.se/ext/etai/ra/racNIL/001/
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