Re: [Wikidata-l] Wikidata RDF

2014-11-10 Thread Scott MacLeod
Hi Martynas and all, Thanks for this engaging Wikidata RDF conversation. Wikidata RDF developments are exciting especially for eventually coding with IBM's Watson and related AI. See this related conversation, for example - Poster Title: Not Elementary, My Dear Watson - Extending Watson for

Re: [Wikidata-l] Wikidata RDF

2014-10-30 Thread Markus Krötzsch
Hi Phillip, Are you aware of the Wikidata RDF exports at http://tools.wmflabs.org/wikidata-exports/rdf/ ? Do they meet your requirements for now or do you need something different? If you have specific plans for the RDF, I would be curious to learn about them. Cheers, Markus On 29.10.2014

Re: [Wikidata-l] Wikidata RDF

2014-10-30 Thread Cristian Consonni
2014-10-29 22:59 GMT+01:00 Lydia Pintscher lydia.pintsc...@wikimedia.de: Help with this would be awesome and totally welcome. The tracking bug is at https://bugzilla.wikimedia.org/show_bug.cgi?id=48143 Speaking of totally awesome (aehm :D): * see: http://wikidataldf.com * see this other thread:

Re: [Wikidata-l] Wikidata RDF

2014-10-30 Thread Kingsley Idehen
On 10/29/14 5:59 PM, Lydia Pintscher wrote: Hey Phillip:) On Wed, Oct 29, 2014 at 7:41 PM, Phillip Rhodes motley.crue@gmail.com wrote: FWIW, put me in the camp of people who want to see wikidata available via RDF as well. I won't argue that RDF needs to be the*native* format for

Re: [Wikidata-l] Wikidata RDF

2014-10-30 Thread Phillip Rhodes
On Thu, Oct 30, 2014 at 4:42 AM, Markus Krötzsch mar...@semantic-mediawiki.org wrote: Hi Phillip, Are you aware of the Wikidata RDF exports at http://tools.wmflabs.org/wikidata-exports/rdf/ ? Do they meet your requirements for now or do you need something different? If you have specific

Re: [Wikidata-l] Wikidata RDF

2014-10-30 Thread Markus Krötzsch
On 30.10.2014 11:49, Cristian Consonni wrote: 2014-10-29 22:59 GMT+01:00 Lydia Pintscher lydia.pintsc...@wikimedia.de: Help with this would be awesome and totally welcome. The tracking bug is at https://bugzilla.wikimedia.org/show_bug.cgi?id=48143 Speaking of totally awesome (aehm :D): * see:

Re: [Wikidata-l] Wikidata RDF

2014-10-30 Thread Magnus Manske
Hi, I am running the Wikidata query tool (WDQ) at http://wdq.wmflabs.org/ WDQ can run many advanced queries, but I am using my bespoke query language. I could try to write a wrapper around it, but have not had much (aka none) experience with SPARQL. Are there some common use case examples (even

Re: [Wikidata-l] Wikidata RDF

2014-10-30 Thread Paul Houle
Here's my take. RDF standards, in themselves, don't address all of the issues needed in a data wiki. I've been thinking about the math for data wikis and it seems to me you could have a bipartite system where you have the fact and then the operational metadata about the fact and these are

Re: [Wikidata-l] Wikidata RDF

2014-10-29 Thread Markus Krötzsch
Martynas, Denny is right. You could set up a Virtuoso endpoint based on our RDF exports. This would be quite nice to have. That's one important reason why we created the exports, and I really hope we will soon see this happening. We are dealing here with a very large project, and the

Re: [Wikidata-l] Wikidata RDF

2014-10-29 Thread Phillip Rhodes
FWIW, put me in the camp of people who want to see wikidata available via RDF as well. I won't argue that RDF needs to be the *native* format for Wikidata, but I think it would be a crying shame for such a large knowledgebase to be cut off from seamless integration with the rest of the LinkedData

Re: [Wikidata-l] Wikidata RDF

2014-10-29 Thread Lydia Pintscher
Hey Phillip :) On Wed, Oct 29, 2014 at 7:41 PM, Phillip Rhodes motley.crue@gmail.com wrote: FWIW, put me in the camp of people who want to see wikidata available via RDF as well. I won't argue that RDF needs to be the *native* format for Wikidata, but I think it would be a crying shame

Re: [Wikidata-l] Wikidata RDF

2014-10-28 Thread John Erling Blad
The data model is close to RDF, but not quite. Statements in items are reified statements, etc. Technically it is semantic data, where RDF is one possible representaton. There was a decision choice to keep Mediawiki to ease reuse within the Wikimedia sites, mostly so users could reuse their

Re: [Wikidata-l] Wikidata RDF

2014-10-28 Thread Martynas Jusevičius
Gerard, what about query functionality for example? This has been long promised but shows no real progress. And why do you think practical cases cannot be implemented using RDF? What is the justification for ignoring the whole standard and implementation stack? What makes you think Wikidata can

Re: [Wikidata-l] Wikidata RDF

2014-10-28 Thread Martynas Jusevičius
John, please see inline: On Tue, Oct 28, 2014 at 8:39 AM, John Erling Blad jeb...@gmail.com wrote: The data model is close to RDF, but not quite. Statements in items are reified statements, etc. Technically it is semantic data, where RDF is one possible representaton. Well it has been shown

Re: [Wikidata-l] Wikidata RDF

2014-10-28 Thread Gerard Meijssen
Hoi, Query has been promised and unofficially we have it for a VERY long time.. It is called WDQ. it is used in many tools. The official query will only provide a subset of functionality for quite some time as I understand it. Practical cases in RDF for what by whom ? Wikidata is first and

Re: [Wikidata-l] Wikidata RDF

2014-10-28 Thread Martynas Jusevičius
Gerard, what is there practical about having a query language that 1) is not a standard and never will be 2) is not supported by any other tool or project and never will be? I would understand this kind of reasoning coming from a hobbyist project, but not from one claiming to be a global free

Re: [Wikidata-l] Wikidata RDF

2014-10-28 Thread Gerard Meijssen
Hoi, I find it funny that you ask EXACTLY the right question but you get the opposite answer; I do not care for the query language I care for it being available. As a consequence millions of edits have been made. Consequently this query tool is practical. I have been told that a layer on top of it

Re: [Wikidata-l] Wikidata RDF

2014-10-28 Thread Daniel Kinzler
Am 28.10.2014 11:26, schrieb Martynas Jusevičius: And why do you think practical cases cannot be implemented using RDF? What is the justification for ignoring the whole standard and implementation stack? What makes you think Wikidata can do better than RDF? We don't ignore the standard, but,

[Wikidata-l] Wikidata RDF

2014-10-27 Thread Martynas Jusevičius
Hey all, so I see there is some work being done on mapping Wikidata data model to RDF [1]. Just a thought: what if you actually used RDF and Wikidata's concepts modeled in it right from the start? And used standard RDF tools, APIs, query language (SPARQL) instead of building the whole thing from

Re: [Wikidata-l] Wikidata RDF

2014-10-27 Thread Gerard Meijssen
Hoi, Hell no. Wikidata is first and foremost a product that is actually used. It has that way from the start. Prioritising RDF over actual practical use cases is imho wrong. If anything the continuous tinkering on the format of dumps has mostly brought us grieve. Dumps that can no longer be read

Re: [Wikidata-l] Wikidata RDF exports

2014-06-14 Thread Markus Krötzsch
Eric, Two general remarks first: (1) Protege is for small and medium ontologies, but not really for such large datasets. To get SPARQL support for the whole data, you could to install Virtuoso. It also comes with a simple Web query UI. Virtuoso does not do much reasoning, but you can use

Re: [Wikidata-l] Wikidata RDF exports

2014-06-14 Thread emw
Markus, Thanks for the thorough reply! you can use SPARQL 1.1 transitive closure in queries (using * after properties), so you can find all subclasses there too. (You could also try this in Protege ...) I had a feeling I was missing something basic. (I'm also new to SPARQL.) Using * after

Re: [Wikidata-l] Wikidata RDF exports

2014-06-13 Thread Gerard Meijssen
Hoi, When you leave out qualifiers, you will find that Ronald Reagan was never president of the United States and only an actor. Yes, omitting the statements with qualifiers is wrong but as a consequence the total of the information is wrong as well. I do not see the point of this functionality.

Re: [Wikidata-l] Wikidata RDF exports

2014-06-13 Thread Markus Krötzsch
Hi Gerard, On 13/06/14 11:08, Gerard Meijssen wrote: Hoi, When you leave out qualifiers, you will find that Ronald Reagan was never president of the United States and only an actor. Yes, omitting the statements with qualifiers is wrong but as a consequence the total of the information is wrong

Re: [Wikidata-l] Wikidata RDF exports

2014-06-13 Thread Gerard Meijssen
Hoi, There is a huge difference between being complete and leaving out essential information. When you consider Ronald Reagan [1], it is essential information that he was a president of the USA and a governor of California. When you only make him an actor and a politician, the information you are

Re: [Wikidata-l] Wikidata RDF exports

2014-06-13 Thread Joe Filceolaire
I think it is a reasonable ambition that the 'preferred' statement should always provide accurate information even when the qualifiers are missing. For example, if we have population figures for various years and 'applies to part' figures for males, females, under 20's etc. then the most recent

Re: [Wikidata-l] Wikidata RDF exports

2014-06-13 Thread Gerard Meijssen
Hoi, Not really. What is being discussed is a tool that is external to Wikidata. Thanks, GerardM On 13 June 2014 12:37, Joe Filceolaire filceola...@gmail.com wrote: I think it is a reasonable ambition that the 'preferred' statement should always provide accurate information even when the

Re: [Wikidata-l] Wikidata RDF exports

2014-06-13 Thread Joe Filceolaire
Never forget that even the full data, with all the qualifiers included, is, in most cases, little more information than what is contained in the lead paragraph of a complete wikipedia article. Wikidata will be useful but it will never replace the encyclopedia articles and will, I believe, be most

Re: [Wikidata-l] Wikidata RDF exports

2014-06-13 Thread Markus Krötzsch
Hi Gerard, As I said, I don't follow your arguments. Wikidata Query, for example, has also started without any qualifiers at all, and yet it was a useful tool from the beginning. Your feedback is always welcome, but there is a point when critique is no longer constructive, and when it is

Re: [Wikidata-l] Wikidata RDF exports

2014-06-13 Thread Gerard Meijssen
Hoi, Joe, plain vanilla Wikidata is not informative. It provides statements in no particular order and it does it in a way where you have to scroll-a-lot to see it all. It takes tools like Reasonator to organise the data so that it becomes informative. With a little code it is possible to provide

Re: [Wikidata-l] Wikidata RDF exports

2014-06-13 Thread Bene*
Am 13.06.2014 11:08, schrieb Gerard Meijssen: Hoi, When you leave out qualifiers, you will find that Ronald Reagan was never president of the United States and only an actor. Yes, omitting the statements with qualifiers is wrong but as a consequence the total of the information is wrong as

Re: [Wikidata-l] Wikidata RDF exports

2014-06-13 Thread Markus Krötzsch
On 13/06/14 15:52, Bene* wrote: ... Did I understand you right, Markus, that you leave out all statements which have at least one qualifier? Wouldn't it make more sense to leave out the qualifiers only but add the statements without qualifiers anyway? Because this would solve eg. Gerard's

Re: [Wikidata-l] Wikidata RDF exports

2014-06-13 Thread Markus Krötzsch
Gerard, You sometimes sound as if everything is lost just because somebody put an RDF file on the Web ;-) If you don't like the simplified export, why don't you just use our main export which contains all the data? Can't we all be happy -- the people who want simple and the people who want

Re: [Wikidata-l] Wikidata RDF exports

2014-06-13 Thread Gerard Meijssen
Hoi, I do not mind RDF. I do not mind OWL. What I do mind is that people assume that everyone assumes that others know what it means and appreciate it as being good. When people use an RDF tool that produces obviously incomplete and therefore incorrect information, it is beyond me that an

Re: [Wikidata-l] Wikidata RDF exports

2014-06-13 Thread emw
Markus, Thank you very much for this. Translating Wikidata into the language of the Semantic Web is important. Being able to explore the Wikidata taxonomy [1] by doing SPARQL queries in Protege [2] (even primitive queries) is really neat, e.g. SELECT ?subject WHERE { ?subject

Re: [Wikidata-l] Wikidata RDF exports

2014-06-11 Thread Markus Krötzsch
On 10/06/14 22:50, Gerard Meijssen wrote: Hoi, It is stated that there are no qualifiers included. In one of the articles you write that it is to be understood that the vailidity of the information is dependent on the existing qualifiers. What is the value of these RDF exports with the

[Wikidata-l] Wikidata RDF exports

2014-06-10 Thread Markus Kroetzsch
Hi all, We are now offering regular RDF dumps for the content of Wikidata: http://tools.wmflabs.org/wikidata-exports/rdf/ RDF is the Resource Description Framework of the W3C that can be used to exchange data on the Web. The Wikidata RDF exports consist of several files that contain

Re: [Wikidata-l] Wikidata RDF exports

2014-06-10 Thread Gerard Meijssen
Hoi, It is stated that there are no qualifiers included. In one of the articles you write that it is to be understood that the vailidity of the information is dependent on the existing qualifiers. What is the value of these RDF exports with the qualifiers missing? Thanks, GerardM On 10

[Wikidata-l] Wikidata RDF Dumps

2013-12-08 Thread Kingsley Idehen
All, We've just commissioned the latest edition of the Linked Open Data (LOD) Cloud cache that we maintain [1]. As part of this effort, we included Wikidata's RDF dumps and Freebase cross references. Thus far, I am not convinced that we've actually loaded all of data out there, so I am

Re: [Wikidata-l] Wikidata RDF Issues

2013-10-29 Thread Daniel Kinzler
Am 21.10.2013 23:43, schrieb Kingsley Idehen: Kingsley, do you think having two 303s (from /entity/Q$1 to /wiki/Special:EntityData/$1 and another one to wiki/Special:EntityData/$1.xxx) would be appropriate or at least better than what we have now? Yes. 303 is what you want. Also note

Re: [Wikidata-l] Wikidata RDF Issues

2013-10-21 Thread Daniel Kinzler
Am 17.10.2013 20:16, schrieb Kingsley Idehen: On 10/17/13 12:46 PM, Daniel Kinzler wrote: I've run it through our variant of Vapour re. Linked Data verification: http://bit.ly/1gM7oYa . Nearly there. Your use of 302 is what's going to trip up existing Linked Data clients. Why aren't you

Re: [Wikidata-l] Wikidata RDF Issues

2013-10-21 Thread Lydia Pintscher
On Mon, Oct 21, 2013 at 2:49 PM, Kingsley Idehen kide...@openlinksw.com wrote: Daniel, Being interoperable with the Linked Open Data cloud via DBpedia is a low cost high-impact affair for Wikidata. I don't know of anything of higher impact in the grand scheme of thing bearing in mind we all

Re: [Wikidata-l] Wikidata RDF Issues

2013-10-21 Thread Kingsley Idehen
On 10/21/13 8:58 AM, Lydia Pintscher wrote: On Mon, Oct 21, 2013 at 2:49 PM, Kingsley Idehen kide...@openlinksw.com wrote: Daniel, Being interoperable with the Linked Open Data cloud via DBpedia is a low cost high-impact affair for Wikidata. I don't know of anything of higher impact in the

Re: [Wikidata-l] Wikidata RDF Issues

2013-10-21 Thread Lydia Pintscher
On Mon, Oct 21, 2013 at 3:26 PM, Kingsley Idehen kide...@openlinksw.com wrote: If you can share the existing re-write rules file via a URL or github project, I'll have get someone (should I not get round to it) to fix them accordingly. Ball back in your court, so to speak :-) Hehe. Here you

Re: [Wikidata-l] Wikidata RDF Issues

2013-10-21 Thread Kingsley Idehen
On 10/21/13 9:59 AM, Lydia Pintscher wrote: On Mon, Oct 21, 2013 at 3:26 PM, Kingsley Idehen kide...@openlinksw.com wrote: If you can share the existing re-write rules file via a URL or github project, I'll have get someone (should I not get round to it) to fix them accordingly. Ball back in

Re: [Wikidata-l] Wikidata RDF Issues

2013-10-21 Thread addshorewiki
From 'temporary redirect' to 'see other' ? Addshore On 21 October 2013 16:48, Kingsley Idehen kide...@openlinksw.com wrote: On 10/21/13 9:59 AM, Lydia Pintscher wrote: On Mon, Oct 21, 2013 at 3:26 PM, Kingsley Idehen kide...@openlinksw.com wrote: If you can share the existing re-write

Re: [Wikidata-l] Wikidata RDF Issues

2013-10-21 Thread Daniel Kinzler
Am 21.10.2013 16:48, schrieb Kingsley Idehen: Can someone not change 302 to 303 re: RewriteRule ^/entity/(.*)$ https://www.wikidata.org/wiki/Special:EntityData/$1 [R=302,QSA] ? The thing is that we intended this to be an internal apache rewrite, not a HTTP redirect at all. Because

Re: [Wikidata-l] Wikidata RDF Issues

2013-10-21 Thread Kingsley Idehen
On 10/21/13 4:52 PM, Daniel Kinzler wrote: Am 21.10.2013 16:48, schrieb Kingsley Idehen: Can someone not change 302 to 303 re: RewriteRule ^/entity/(.*)$ https://www.wikidata.org/wiki/Special:EntityData/$1 [R=302,QSA] ? The thing is that we intended this to be an internal apache rewrite, not

Re: [Wikidata-l] Wikidata RDF Issues

2013-10-16 Thread Kingsley Idehen
On 10/2/13 1:09 PM, Daniel Kinzler wrote: Am 02.10.2013 17:00, schrieb Kingsley Idehen: Daniel, When will the fixed data be generated and published? October 14, if all goes well. -- daniel ___ Wikidata-l mailing list

Re: [Wikidata-l] Wikidata RDF Issues

2013-10-16 Thread Paul A. Houle
- From: Kingsley Idehen Sent: Wednesday, October 16, 2013 9:11 AM To: wikidata-l@lists.wikimedia.org Subject: Re: [Wikidata-l] Wikidata RDF Issues ___ Wikidata-l mailing list Wikidata-l@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo

Re: [Wikidata-l] Wikidata RDF Issues

2013-10-16 Thread Kingsley Idehen
Subject: Re: [Wikidata-l] Wikidata RDF Issues ___ Wikidata-l mailing list Wikidata-l@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/wikidata-l ___ Wikidata-l mailing list Wikidata-l

Re: [Wikidata-l] Wikidata RDF Issues

2013-10-16 Thread Daniel Kinzler
Am 16.10.2013 15:11, schrieb Kingsley Idehen: On 10/2/13 1:09 PM, Daniel Kinzler wrote: Am 02.10.2013 17:00, schrieb Kingsley Idehen: Daniel, When will the fixed data be generated and published? October 14, if all goes well. -- daniel ___

Re: [Wikidata-l] Wikidata RDF Issues

2013-10-16 Thread Kingsley Idehen
On 10/16/13 4:43 PM, Daniel Kinzler wrote: Am 16.10.2013 15:11, schrieb Kingsley Idehen: On 10/2/13 1:09 PM, Daniel Kinzler wrote: Am 02.10.2013 17:00, schrieb Kingsley Idehen: Daniel, When will the fixed data be generated and published? October 14, if all goes well. -- daniel

Re: [Wikidata-l] Wikidata RDF Issues

2013-10-02 Thread Daniel Kinzler
Am 01.10.2013 20:14, schrieb Tom Morris: How about not creating a fork just so you can delete a couple of directories? The full download is a whopping 260KB. Is that really too big/complex to include in its entirety and just ignore the parts you don't use? Not deploying code we do not use,

Re: [Wikidata-l] Wikidata RDF Issues

2013-10-02 Thread Kingsley Idehen
On 10/2/13 10:42 AM, Daniel Kinzler wrote: Am 01.10.2013 20:14, schrieb Tom Morris: How about not creating a fork just so you can delete a couple of directories? The full download is a whopping 260KB. Is that really too big/complex to include in its entirety and just ignore the parts you don't

Re: [Wikidata-l] Wikidata RDF Issues

2013-10-02 Thread Nicholas Humfrey
On 02/10/2013 15:42, Daniel Kinzler daniel.kinz...@wikimedia.de wrote: Am 01.10.2013 20:14, schrieb Tom Morris: How about not creating a fork just so you can delete a couple of directories? The full download is a whopping 260KB. Is that really too big/complex to include in its entirety and

Re: [Wikidata-l] Wikidata RDF Issues

2013-10-02 Thread Daniel Kinzler
Am 02.10.2013 17:00, schrieb Kingsley Idehen: Daniel, When will the fixed data be generated and published? October 14, if all goes well. -- daniel ___ Wikidata-l mailing list Wikidata-l@lists.wikimedia.org

Re: [Wikidata-l] Wikidata RDF Issues

2013-10-02 Thread Kingsley Idehen
On 10/2/13 1:09 PM, Daniel Kinzler wrote: Am 02.10.2013 17:00, schrieb Kingsley Idehen: Daniel, When will the fixed data be generated and published? October 14, if all goes well. -- daniel ___ Wikidata-l mailing list

Re: [Wikidata-l] Wikidata RDF Issues

2013-10-01 Thread Daniel Kinzler
Ok, I have now found and tackled the issue. This was indeed a bug in EasyRDF that got fixed since we forked half a year ago. I have updated easyrdf_lite now: https://github.com/Wikidata/easyrdf_lite/commit/025c32da17d82a51950230b80c254be5b3dc20d6. The respective patch for Wikibase is in review,

Re: [Wikidata-l] Wikidata RDF Issues

2013-10-01 Thread Tom Morris
On Tue, Oct 1, 2013 at 1:01 PM, Daniel Kinzler daniel.kinz...@wikimedia.dewrote: Ok, I have now found and tackled the issue. This was indeed a bug in EasyRDF that got fixed since we forked half a year ago. [] Having to maintain the fork is really a pain, I wish there was a better way

[Wikidata-l] Wikidata RDF Issues

2013-09-26 Thread Kingsley Idehen
All, See: https://www.wikidata.org/wiki/Q76 The resource to which the URI above resolves contains: schema:version 72358096^^xsd:integer . It should be: schema:version 72358096^^xsd:integer . Who is responsible for RDF resource publication and issue report handling? -- Regards, Kingsley

Re: [Wikidata-l] Wikidata RDF Issues

2013-09-26 Thread Martynas Jusevičius
There was a long discussion not so long ago about using established RDF tools for Wikipedia dumps instead of home-brewed ones, but I guess someone hasn't learnt the lesson yet. On Thu, Sep 26, 2013 at 2:22 PM, Kingsley Idehen kide...@openlinksw.com wrote: All, See:

Re: [Wikidata-l] Wikidata RDF Issues

2013-09-26 Thread Nicholas Humfrey
Wikidata uses a fork of EasyRdf: https://github.com/Wikidata/easyrdf_lite Which should handle this correctly. However I don't seem to be able to content negotiate for Turtle today. This is returning HTML for me now: curl -H 'Accept: text/turtle' http://www.wikidata.org/wiki/Q76 Does anyone have

Re: [Wikidata-l] Wikidata RDF Issues

2013-09-26 Thread Lydia Pintscher
On Thu, Sep 26, 2013 at 2:22 PM, Kingsley Idehen kide...@openlinksw.com wrote: All, See: https://www.wikidata.org/wiki/Q76 The resource to which the URI above resolves contains: schema:version 72358096^^xsd:integer . It should be: schema:version 72358096^^xsd:integer . Who is

Re: [Wikidata-l] Wikidata RDF Issues

2013-09-26 Thread Daniel Kinzler
Am 26.09.2013 14:54, schrieb Nicholas Humfrey: Wikidata uses a fork of EasyRdf: https://github.com/Wikidata/easyrdf_lite Which should handle this correctly. Looks like it doesn't, but I'll investigate. However I don't seem to be able to content negotiate for Turtle today. This is

Re: [Wikidata-l] Wikidata RDF Issues

2013-09-26 Thread Nicholas Humfrey
On 26/09/2013 15:33, Daniel Kinzler daniel.kinz...@wikimedia.de wrote: Am 26.09.2013 14:54, schrieb Nicholas Humfrey: Wikidata uses a fork of EasyRdf: https://github.com/Wikidata/easyrdf_lite Which should handle this correctly. Looks like it doesn't, but I'll investigate. However I don't

Re: [Wikidata-l] Wikidata RDF Issues

2013-09-26 Thread Kingsley Idehen
On 9/26/13 10:27 AM, Lydia Pintscher wrote: On Thu, Sep 26, 2013 at 2:22 PM, Kingsley Idehen kide...@openlinksw.com wrote: All, See: https://www.wikidata.org/wiki/Q76 The resource to which the URI above resolves contains: schema:version 72358096^^xsd:integer . It should be: schema:version

Re: [Wikidata-l] Wikidata RDF export available

2013-08-13 Thread Kingsley Idehen
On 8/12/13 12:56 PM, Nicolas Torzec wrote: With respect to the RDF export I'd advocate for: 1) an RDF format with one fact per line. 2) the use of a mature/proven RDF generation framework. Yes, keep it simple, use Turtle. The additional benefit of Turtle is that is addresses a wide data

Re: [Wikidata-l] Wikidata RDF export available

2013-08-12 Thread Nicolas Torzec
With respect to the RDF export I'd advocate for: 1) an RDF format with one fact per line. 2) the use of a mature/proven RDF generation framework. Optimizing too early based on a limited and/or biased view of the potential use cases may not be a good idea in the long run. I'd rather keep it simple

Re: [Wikidata-l] Wikidata RDF export available

2013-08-12 Thread Markus Krötzsch
On 12/08/13 17:56, Nicolas Torzec wrote: With respect to the RDF export I'd advocate for: 1) an RDF format with one fact per line. 2) the use of a mature/proven RDF generation framework. Optimizing too early based on a limited and/or biased view of the potential use cases may not be a good idea

Re: [Wikidata-l] Wikidata RDF export available

2013-08-10 Thread Markus Krötzsch
Good morning. I just found a bug that was caused by a bug in the Wikidata dumps (a value that should be a URI was not). This led to a few dozen lines with illegal qnames of the form w: . The updated script fixes this. Cheers, Markus On 09/08/13 18:15, Markus Krötzsch wrote: Hi Sebastian,

Re: [Wikidata-l] Wikidata RDF export available

2013-08-10 Thread Sebastian Hellmann
Hi Markus! Thank you very much. Regarding your last email: Of course, I am aware of your arguments in your last email, that the dump is not official. Nevertheless, I am expecting you and others to code (or supervise) similar RDF dumping projects in the future. Here are two really important

Re: [Wikidata-l] Wikidata RDF export available

2013-08-09 Thread Sebastian Hellmann
Hi Markus, we just had a look at your python code and created a dump. We are still getting a syntax error for the turtle dump. I saw, that you did not use a mature framework for serializing the turtle. Let me explain the problem: Over the last 4 years, I have seen about two dozen people

Re: [Wikidata-l] Wikidata RDF export available

2013-08-09 Thread Markus Krötzsch
Hi Sebastian, On 09/08/13 15:44, Sebastian Hellmann wrote: Hi Markus, we just had a look at your python code and created a dump. We are still getting a syntax error for the turtle dump. You mean just as in at around 15:30 today ;-)? The code is under heavy development, so changes are quite

Re: [Wikidata-l] Wikidata RDF export available

2013-08-04 Thread Federico Leva (Nemo)
Markus Krötzsch, 04/08/2013 12:32: * Wikidata uses be-x-old as a code, but MediaWiki messages for this language seem to use be-tarask as a language code. So there must be a mapping somewhere. Where? Where I linked it. * MediaWiki's http://www.mediawiki.org/wiki/Manual:$wgDummyLanguageCodes

Re: [Wikidata-l] Wikidata RDF export available

2013-08-04 Thread Markus Krötzsch
On 04/08/13 13:17, Federico Leva (Nemo) wrote: Markus Krötzsch, 04/08/2013 12:32: * Wikidata uses be-x-old as a code, but MediaWiki messages for this language seem to use be-tarask as a language code. So there must be a mapping somewhere. Where? Where I linked it. Are you sure? The file you

Re: [Wikidata-l] Wikidata RDF export available

2013-08-04 Thread Federico Leva (Nemo)
Markus Krötzsch, 04/08/2013 17:35: Are you sure? The file you linked has mappings from site ids to language codes, not from language codes to language codes. Do you mean to say: If you take only the entries of the form 'XXXwiki' in the list, and extract a language code from the XXX, then you get

[Wikidata-l] Wikidata RDF export available

2013-08-03 Thread Markus Krötzsch
Hi, I am happy to report that an initial, yet fully functional RDF export for Wikidata is now available. The exports can be created using the wda-export-data.py script of the wda toolkit [1]. This script downloads recent Wikidata database dumps and processes them to create RDF/Turtle files.

Re: [Wikidata-l] Wikidata RDF export available

2013-08-03 Thread Federico Leva (Nemo)
Markus Krötzsch, 03/08/2013 15:48: (3) Limited language support. The script uses Wikidata's internal language codes for string literals in RDF. In some cases, this might not be correct. It would be great if somebody could create a mapping from Wikidata language codes to BCP47 language codes (let