Access all of the wonderful structured data on Wikidata, with Ruby! Also includes a convenient CLI.
Very much a work in progress, so only a few basic things are working.
Add this line to your application's Gemfile:
gem 'wikidata'
And then execute:
$ bundle
Or install it yourself as:
$ gem install wikidata
See all the claims for a particular topic.
$ wikidata find "Kyle Chandler"
This will fetch all the data (called "claims") Wikidata has on superstar actor Kyle Chandler and print it out in the terminal, like so:
Kyle Chandler
Wikidata ID: Q359604
Claims: 14
+-------------+---------------------------------------------------------------------+
| property_id | value |
+-------------+---------------------------------------------------------------------+
| P21 | Q6581097 |
+-------------+---------------------------------------------------------------------+
| P27 | Q30 |
+-------------+---------------------------------------------------------------------+
| P106 | Q33999 |
+-------------+---------------------------------------------------------------------+
| P373 | Kyle Chandler |
+-------------+---------------------------------------------------------------------+
(...)
You'll notice that doesn't seem very useful for humans, because Wikidata property keys and many of its values are not human readable. To have the gem resolve all of these opaque identifiers (which adds extra network calls), pass -r.
$ wikidata find "Kyle Chandler" -r
That will provide more useful results:
(...)
+------------------------+------+---------------------------------------------------------------------+
| sex (or gender) | P21 | male (Q6581097) |
+------------------------+------+---------------------------------------------------------------------+
| country of citizenship | P27 | United States of America (Q30) |
+------------------------+------+---------------------------------------------------------------------+
| occupation | P106 | actor / actress (Q33999) |
+------------------------+------+---------------------------------------------------------------------+
| IMDb identifier | P345 | nm0151419 |
+------------------------+------+---------------------------------------------------------------------+
| place of birth | P19 | Buffalo (Q40435) |
+------------------------+------+---------------------------------------------------------------------+
| date of birth | P569 | 1965-09-17T00:00:00+00:00 |
+------------------------+------+---------------------------------------------------------------------+
(...)
Much better!
You can use a convenient ActiveRecord-inspired syntax for finding information:
los_angeles = Wikidata::Item.find_by_title "Los Angeles"
los_angeles.id # => "Q65"
# Let's find the mayor.
mayor = los_angeles.claims_for_property_id("P6").first.mainsnak.value.entity
mayor.label # => "Eric Garcetti"That's the basics!
- Fork it ( http://github.com//wikidata/fork )
- Create your feature branch (
git checkout -b my-new-feature) - Commit your changes (
git commit -am 'Add some feature') - Push to the branch (
git push origin my-new-feature) - Create new Pull Request
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