Hi Mingli,
thanks, this very interesting, but I think I need a bit more context to
understand what you are doing and why.
Is your goal to create a library for accessing Wikidata from Clojure
(like a Clojure API for Wikidata)? Or is your goal to use logical
inference over Wikidata and you just use Clojure as a tool since it was
most convenient?
To your question:
>
> * Do we have a long term plan to evolve wikidata towards a
> semantic-rich dataset?
>
There are no concrete designs for adding reasoning features to Wikidata
so far (if this is what you mean). There are various open questions,
especially related to inferencing over quantifiers. But there are also
important technical questions, especially regarding performance. I
intend to work the theory out in more detail soon (that is: "How should
logical rules over the Wikidata data model look work in principle?").
The implementation then is the next step. I don't think that any of this
will be part of the core features of Wikidata soon, but hopefully we can
set up a useful external service for Wikidata search and analytics
(e.g., to check for property constraint violations in real time instead
of using custom code and bots).
Cheers,
Markus
On 05/08/13 17:30, Mingli Yuan wrote:
Hi, folks,
After one night quick work, I had gave a proof-of-concept to demonstrate
the feasibility that we can combine Wikidata and Clojure logic
programming together.
The source code is at here:
https://github.com/mountain/knowledge
An example of an entity:
https://github.com/mountain/knowledge/blob/master/src/entities/albert_einstein.clj
Example of types:
https://github.com/mountain/knowledge/blob/master/src/meta/types.clj
Example of predicates:
https://github.com/mountain/knowledge/blob/master/src/meta/properties.clj
Example of inference:
https://github.com/mountain/knowledge/blob/master/test/knowledge/test.clj
Also we found it is very easy to get another language versions of the
data other than English.
So, thanks very much for your guys' great work!
But I found the semantic layer of wikidata is shallow, that means you
can only knows who are Einstein's father and children, but it can not be
inferred automatically from wikidata that Einstein's father is the
grandfather of Einstein's children.
So my question is that:
* Do we have a long term plan to evolve wikidata towards a
semantic-rich dataset?
Regards,
Mingli
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