Yes, using XML::LibXML::XPathContext and context nodes is the common way how to handle namespaces in XML::LibXML.

BTW, you can retrieve the first element with 

if (my $dataWeightNode = $xpc->findnodes($weightXPATH, $edgeElement)->
+[0]) {

[download]
($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,

[download]

In reply to Re: XML::LibXML with namespace with no prefix by choroba
in thread XML::LibXML with namespace with no prefix by dallen16

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