We have a first write up of how we plan to support queries in Wikidata.
Comments on our errors and requests for clarifications are more than
P.S.: unfortunately, no easter eggs inside.
Project director Wikidata
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I've been practicing using the Wikidata and MediaWiki APIs today. Even though the Wikidata API is still being developed, using it was more pleasant than parsing the templates. The good news is I'll probably be able to reuse a lot of that code for other infoboxes that still need to be imported. It's looking through 76000 articles for new statements it can add using Wikidata's currently supported film properties, excluding the IMDb ID because that isn't included in the infobox. So far it has added 691 new statements to 68 movies. I forgot to add a counter for when it finds one that already had all of the information entered. It will definitely have some errors, but I scanned the results for the first 100 movies before I started importing them, and I think the value-add will be much greater than the number of errors.
I have a question about how wikidata will behave for template pages. For
example, for http://www.wikidata.org/wiki/Q6171351, currently it has
interlanguage links as a regular wikipedia page. I'm wondering if wikidata
project will also add statements for it. If so, how will it look like and
how will people use it in wikipedia articles with that template?