Try
BIND (taxonomies:depth(?node) AS ?depth) .
where the full URI of the function is
<http://evn.topbraidlive.org/evnprojects#depth> and the body of the
function is
SELECT (COUNT(DISTINCT ?parent) AS ?result)
WHERE {
?arg1 (skos:broader)+ ?parent .
}
Holger
On 21/11/2018 5:06 PM, William Ramos wrote:
Hi, community - on my project, we are trying to determine the
level/depth of a given node in order to put this on a JSON service.
By checking the EDG application, under a taxonomy (for example *geo*)
by checking the "Taxonomy statistics" under "Reports" we can see a
chart similar to this:
... which, up to some extent seems to implicitly contain the
information that we want.So we're wondering if there is a pre-built
mechanism that would allow us to retrieve the *depth of a given node*.
*Can you please help us by guiding us on how to achieve this or what
would be a good approach for this?*
*
*
The base query we have for this starts like this, but currently it
only gets the name of the node, we also would like to obtain the *depth*:
|
PREFIX g:<http://topquadrant.com/ns/examples/geography#>
PREFIX skos:<http://www.w3.org/2004/02/skos/core#>
SELECT ?nodeName ?depth
WHERE {
GRAPH <urn:x-evn-master:geo>{
BIND(g:Canadaas?node)
?node skos:prefLabel ?nodeName .FILTER (lang(?nodeName)="en").
# ...
}.
}
|
Thanks in advance. --
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