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Xpath returning ?
I an using Xpath for the first time with rapidminer. with the extract information operator however I keep getting "?" as the output for my attribute. I have checked in chrome that the Xpath is correct, and I've tried placing variants of h: /h: //h: in the query expression field at the start of the xpath, however no matter how I edit this field I still get ? as the result for the attribute.
Any pointers would be much appreciated.