It looks like the page was deleted/restored thus giving it a new page ID. Originally when pages where deleted the page_id was not kept, which caused a new page_id to be issued when it was restored. This phenomenon has since been fixed, and should no longer happen.
On Sat, Dec 3, 2016 at 8:47 AM, Renato Stoffalette Joao <j...@l3s.de> wrote: > Hi all. > > Firstly, apologies for eventual duplicates or posting the question in the > wrong mailing list. > > Secondly, could anybody kindly explain to me if some Wikipedia pages > changed their IDs from the past ? Or if so point to me where this might be > documented ? > I have Wikipedia pages-articles XML dumps from the years 2006 and 2008 > and when I was parsing those dumps I ran across some situations > such as the following one. In the dumps from 2006 and 2008 I found that > the South Africa page has the ID 68854, while in the most current Wikipedia > pages-articles XML dump (i.e. 2016) the same article has the ID 17416221. > I am trying to match some Wiki pages by IDs across time, but the example > above is not helping. > > Much appreciated in advance for any help. > > -- > Renato Stoffalette Joao > - PhD Student - > L3S Research Center / Leibniz Uni. > 15th Floor, Room:1519 > Appelstraße 9a > 30167 Hannover, Germany > +49.511.762-17759 > > > _______________________________________________ > Xmldatadumps-l mailing list > xmldatadump...@lists.wikimedia.org > https://lists.wikimedia.org/mailman/listinfo/xmldatadumps-l > _______________________________________________ Wikitech-l mailing list Wikitech-l@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/wikitech-l