XPath for element with maximum value?

Question

I have a XML file containing different publications. I want to find the publication with the highest amount of timesCited which is published before 2010. I have this as of now:

/publications/publication[timesCited = max(/publications/publication/timesCited)]
                         [yearFinished < 2010]

The problem is that this checks for the highest timesCited, which is a publication from 2011, and thus returns nothing. I want to find the publication with the highest amount of citations before 2010. How would I go about this?

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Andersson
– Andersson

2017-11-22 20:03:38 +00:00
Commented Nov 22, 2017 at 20:03 — Andersson
– Andersson, Commented Nov 22, 2017 at 20:03

gtosto · Accepted Answer · 2017-11-22 20:35:18Z

1

The following expression should works

/publications/publication[yearFinished < 2010][timesCited = max(/publications/publication[yearFinished < 2010]/timesCited)]

hope it helps

answered Nov 22, 2017 at 20:35

gtosto

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kjhughes · Accepted Answer · 2017-11-22 20:35:39Z

1

This XPath,

//publication[yearFinished < 2010]
             [timesCited = max(//publication[yearFinished < 2010]/timesCited)]

will select the pre-2010 publication element with the maximum timesCited, as requested.

answered Nov 22, 2017 at 20:35

kjhughes

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