Re: [xsl] XPath related query

Vineet Chaoji wrote:

  Hi,

> So the query that I am trying to represent is: Is there a Book
> "Book1" that has a chapter 'c1' that cites some article 'a' and
> does this article 'a' have a chapter 'c2' which has a section
> 's' which has a figure 'f' which is called "Example semi-joins".
> This is a binary yes/no type of query.
  Given that $dblp is bound to the element DBLP, the following
expression should return what you are looking for, and is I think
self-explanatory:

    exists(
      $dblp
        /Book[@rdf:about eq 'Book1']
        /chapter
        /Chapter[@rdf:about eq 'c1']
        /section
        /Section
        /cites[@rdf:resource eq 'a']
        /../../../../../..
        /Article[@rdf:about eq 'a']
        /chapter
        /Chapter[@rdf:about eq 'c2']
        /section
        /Section[@rdf:about eq 's']
        /figure[. eq '"Example Semi-join"']
    )

  Regards,

-- 
Florent Georges
http://fgeorges.org/




      

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