On Mon, Mar 4, 2013 at 11:14 AM, Ed Summers
<ehs@pobox.com> wrote:
Hi Jiang,
I don't work on the Wikidata project itself, so I will let one of the
project members advise you on the best use of
action=query&list=recentchanges. A year ago I created a simple
realtime Web visualization of changes in Wikipedias [1]. It logs into
the language specific IRC chatrooms and listens for updates from the
bots in there.
I pulled out the code that listens for updates and parses the IRC
messages into a small Node library called wikichanges [2], which you
could theoretically use to track wikidata changes without having to
poll the API. However you would still need to talk to the API to get
the content of the changes.
I updated the example.js [3] to show how to just get updates for
wikidata if you wanted to take a look. I got the idea for the project
from Patrick Sinclair who wrote a bot for keeping BBC content up to
date with Wikipedia.
//Ed
[1] http://wikistream.inkdroid.org/
[2] https://github.com/edsu/wikichanges
[3] https://github.com/edsu/wikichanges/blob/master/example.js
On Mon, Mar 4, 2013 at 2:44 AM, Jiang BIAN <bianjiang@google.com> wrote:
> Hi mediawiki developers,
>
> We (Google) are trying to maintain our internal mirror of wikidata.org
> up-to-date in real-time, so that our indexing pipeline can get latest
> interlanguage information in real-time.
>
> I noticed wikidata.org is also powered by standard MediaWiki software, where
> standard query api to a specific revision works, e.g.
> revision query:
> http://www.wikidata.org/w/api.php?action=query&prop=revisions&format=xml&rvprop=content&revids=6748137&revids=6748137
> and
> recentchanges:
> http://wikidata.org/w/api.php?action=query&list=recentchanges&format=xml&rcnamespace=0&rcprop=userid%7Ccomment%7Cflags%7Ctimestamp%7Ctitle%7Cids%7Credirect
>
> My questions are:
>
> Are the APIs above ("action=query&prop=revisions" and
> "actioon=query&list=recentchanges") the supported way to retrieve
> wikidata.org in realtime?
> Is there any document about the json format in response? It looks to me that
> "links" are about interwiki/interlanguage links (or sitelinks in
> wikidata.org's terminology), but I feel more comfortable if I see some
> official document about this.
> There are some ids like "dewiki", "enwiki" etc, which I guess can be
> interpreted to corresponding languages "de", "en" respectively. But is there
> a reliable map from these *wiki to the language code? And some are even
> using 3-letter prefix, e.g. gotwiki, xmfwiki.
>
>
> Thanks
>
> --
> Jiang BIAN
>
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