Wikidata

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[Wikidata-l] Introduction
by Aniket Karmarkar 01 Apr '12

01 Apr '12

Hi Everyone, I recently graduated from University with a Bachelors Degree in Computer Science. Unfortunately, I don't write any code at work. :( So, I am interested in helping out with the project! I know how to code and can help with testing/documentation as well. I am also interested in learning about what kind of database/ how you plan on storing the semantic information. Are these definition correct: Wikipedia- uses MediaWiki as software MediaWiki- current software which runs Wikipedia WikiData- new module on MediaWiki that will allow the community to add semantic information to Wikipedia articles Cheers! -- Aniket Karmarkar

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[Wikidata-l] Topic Map Datamodel
by John McClure 01 Apr '12

01 Apr '12

Sorry about a blank subject before... Came across a good CalTech presentation called Relevance of Topic Maps at http://www.cacr.caltech.edu/semast/files/mahabal.pdf The presentation has the infamous Cregan datamodel on page 5. The question is why not use this already-certified ISO datamodel being mapped to RDF somewhere -- why not IT be the foundational conceptual model of Wikidata? Topic Map API could be built into the WOM. It's a good initial architecture for a cognitive model to interact at the human level and the data storage model at the triples level. I like SKOS and Dublin Core as core ontologies for Wikidata. SKOS is a subject index and Dublin Core is the index card. SMW subobjects like fullpagename#fullpagename expressions can be (have) a (the) Dublin Core set of properties; this design satisfies directly the needs of RSS folks an importatn requirement. Maybe melding Topic Maps, RDF and Wikis might boost web semantics by creating an orientation towards understanding pithy lexical language expressions common in subject headings. Doing so would be a major practical milestone to achieve alongside semantic infoboxes -- that might create a bit more buzz than "formalizing the adoption of database technology" would, in its own right (I say this with reference to Ward Cunningam's latest interests). Essentially it'd be great to integrate wikidata topic maps with (group) mind mapping contexts - another natural fit that so could rock.

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[Wikidata-l] (no subject)
by John McClure 01 Apr '12

01 Apr '12

Ivan, Thanks for the reply. Yes as many people should be brought in about subject indexing as can be found. The UDC is a faceted classification; LCC (Lib of Congress Classification) and DDC (Dewey Decimal Classification) are not. UDC is a multilingual taxonomy (facet=language) and these other two are not. To me there's little to no competition with UDC. But that's about what taxonomies are deployed -- I support many and all. It's the implementing technology that's key here and happily doensn't require expert panels and study groups. SKOS can handle multiple facets -- via its Collection objects. I view SKOS as a stepping stone to ISO Topic Maps; I suspect SKOS has been invented by the W3 as a response to Topic Map functionality not in OWL, but perhaps you can enlighten me further. Basically I have these questions. 1. Is WP going to be empowered with subject indexes as a core feature? 2. What's the relative priority of subject indexes over other wikidata requirements (ie after Semantic Infoboxes) 3. Should SKOS or a very close equivalent be subsumed into the WOM? The answer to 3 probably should echo the realtionship between the WOM and the OWL, whatever that is intended to be. Thanks, John Date: Sat, 31 Mar 2012 11:22:43 +0200 From: Ivan Herman <ivan(a)w3.org> To: "Discussion list for the Wikidata project." <wikidata-l(a)lists.wikimedia.org> Subject: Re: [Wikidata-l] Wiki Subject Indexes Message-ID: <F67C291D-CE31-4624-AD87-7B3ABCB9B612(a)w3.org> Content-Type: text/plain; charset="us-ascii" On Mar 31, 2012, at 02:00 , John McClure wrote: > Hello, > > Can/should wiki subject indexes be a functional requirement of the wikidata > project, or of some other? I think navigating a wiki today without a subject > index is difficult, to say the least. A subject index seems such a critical > component for information libraries! WP's portals are a nice step but still, > users seem at the mercy of topical links inserted by authors of the portal. > How much better it would be to have a taxonomy of subjects that can be > associated with a page by ITS author so that the page can be found > independently of portals. > I see a major issue with the user interface of this (though I agree with your assessment). It has to be very easy to set the right subject, otherwise people will not do it. The dbpedia people extract some rough classification of the articles. It is not perfect, but may be worth looking at that, too. > The semantics of SKOS, I suggest, should be baked in to wikis. I also > suggest faceted UDC [1] or similar inter/national classification scheme be > one of many that can be referenced by users when browsing any wiki. I > envision that Subjects would be defined in a namespace as fundamental to a > wiki as the Category namespace is. Basically, I can see requesting some > software to correlate my own subject taxonomy with interwikis' (WP's) > tasxonomies, so that I as a user don't have to manually search each > interwiki for content relative to my personal list of subjects. I think the project should reach out to libraries, ie, real experts. The library world is currently looking at the issues of how to redefine cataloging standards, how to make them Linked Data friendly, etc; because that work is still in flux, it may be the ideal time to talk to them. In view of the importance of WP, libraries cannot allow themselves to ignore this (I believe...) Ivan > > Is this an idea before its time, something already considered, or something > to consider now? > Thanks for your thoughts. -- john > > [1] http://en.wikipedia.org/wiki/Universal_Decimal_Classification

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[Wikidata-l] Getting started (hobbyist coders)
by Sumana Harihareswara 31 Mar '12

31 Mar '12

Hobbyist coders who are eager to get started might find it useful to start getting familiar with MediaWiki: https://www.mediawiki.org/wiki/How_to_become_a_MediaWiki_hacker and set up their own bleeding-edge MediaWiki installations: https://www.mediawiki.org/wiki/Download_from_Git Other Wikimedia technology projects that you might want to get familiar with: https://meta.wikimedia.org/wiki/Developer_hub Hope this helps! -- Sumana Harihareswara Volunteer Development Coordinator Wikimedia Foundation

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[Wikidata-l] Wiki Subject Indexes
by John McClure 31 Mar '12

31 Mar '12

Hello, Can/should wiki subject indexes be a functional requirement of the wikidata project, or of some other? I think navigating a wiki today without a subject index is difficult, to say the least. A subject index seems such a critical component for information libraries! WP's portals are a nice step but still, users seem at the mercy of topical links inserted by authors of the portal. How much better it would be to have a taxonomy of subjects that can be associated with a page by ITS author so that the page can be found independently of portals. The semantics of SKOS, I suggest, should be baked in to wikis. I also suggest faceted UDC [1] or similar inter/national classification scheme be one of many that can be referenced by users when browsing any wiki. I envision that Subjects would be defined in a namespace as fundamental to a wiki as the Category namespace is. Basically, I can see requesting some software to correlate my own subject taxonomy with interwikis' (WP's) tasxonomies, so that I as a user don't have to manually search each interwiki for content relative to my personal list of subjects. Is this an idea before its time, something already considered, or something to consider now? Thanks for your thoughts. -- john [1] http://en.wikipedia.org/wiki/Universal_Decimal_Classification

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[Wikidata-l] Arcticle on Golem.de
by Michael Movchin 31 Mar '12

31 Mar '12

Just FYI: There is an interessting german article on Golem about Wikidata: http://www.golem.de/news/wikidata-eine-datenquelle-fuer-alle-sprachversione… -- Yours sincerely, Mit freundlichen Grüßen, Michael Movchin (mmovchin) Volunteer Huggle core developer, conference coordinator and Wikipedia author Freiwilliger Huggle Core-Entwickler, Konferenzkoordinator und Wikipedia Autor

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[Wikidata-l] Introduction
by Hoolihan, Tim 31 Mar '12

31 Mar '12

Hello, I am interested in contributing time to the Wikidata project. I'm CTO for a consulting company in Ohio (USA), and come from a custom application development background. I have a strong background in web applications and relational databases, and have been recently working with non-relational databases, mobile applications and distributed data tools (ie Hadoop). I am relatively new to the semantic web area, but would like to find a way to help with the project. It would seem logical to try to help with coding and / or documentation type tasks, but I'm open to suggestions. I read through the the project info and FAQs. Per http://meta.wikimedia.org/wiki/Wikidata/FAQ#How_can_I_get_involved.3F, I'm asking how I can help. -Tim Hoolihan Twitter: thoolihan Freenode: thoolihan

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[Wikidata-l] List via Gmane?
by Raimond Spekking 30 Mar '12

30 Mar '12

Hi all, now, that the project starts (HURRA!!) I think that more postings will be expected soon. Any chance to add this mailinglist to Gmane? Thanks a lot. Best regards Raimond. -- Raimond Spekking, Köln GPG-Schlüssel-ID: 0xB12BE7A6 Hilf mit, dass WIKIPEDIA von der UNESCO als erstes digitales Weltkulturerbe anerkannt wird. Unterzeichne die Online-Petition: https://wke.wikimedia.de/wke/Main_Page?uselang=de

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[Wikidata-l] article "Examples of semantic web applications and environment"
by Nadja Kutz 30 Mar '12

30 Mar '12

Hello, I am currently writing an article which concerns applications which could make use of Wikidata. Eventually the article might be of interest to you. The draft of the article is at: http://www.azimuthproject.org/azimuth/show/Examples+of+semantic+web+applica… greetings nad

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Re: [Wikidata-l] Data model (RDF)
by Ivan Herman 30 Mar '12

30 Mar '12

On Mar 28, 2012, at 19:33 , JFC Morfin wrote: > At 18:10 28/03/2012, Ivan Herman wrote: >> Obviously, you all expect me to agree with Martynas, in view of my job, and I do:-). But I do not only because I work for W3C, but I indeed genuinely believe that reinventing things here may be way too costly on long term... >> >> Note also that W3C may start a new group later this year that would look at a 'lower' level HTTP protocol to manage (read and write) RDF data without necessarily using SPARQL. This may be useful for the project as well. >> >> Ivan >> >> On Mar 28, 2012, at 18:02 , Martynas Jusevicius wrote: >> >> > Hey all, >> > >> > I've been reading some of the technical notes on Wikidata, for example >> > http://meta.wikimedia.org/wiki/Wikidata/Notes/Data_model >> > http://meta.wikimedia.org/wiki/User:Nikola_Smolenski/Wikidata#Query_language > > I would suggest that at this stage we need to have a comprehensive understanding of all the possible options. > > 1.Has someone published as page listing the best *summary* documenting and argumenting each of the existing options. I suppose we will want a table indicating which existing solution answers which listed need? > > 2. Since we have a W3C expert: what is the best document/book to get a comprehensive and clear (not too massive) documentation on the semantic web? > The one which is probably closest to what WikiData would need is "Linked Data: Evolving the Web into a Global Data Space", by Tom Heath and Christian Bizer. It is actually readable in HTML freely: http://linkeddatabook.com/editions/1.0/ For a more complete list of books, see also http://www.w3.org/2001/sw/wiki/Books > 3. What are the relations with the JTC1/SC32/WG2? Is investing time in their documents appropriate? Honestly, I do not know. The JTC1/SC32 has no link to WG2, and none of their documents are public:-( Ivan > > Thank you! > jfc > > > _______________________________________________ > Wikidata-l mailing list > Wikidata-l(a)lists.wikimedia.org > https://lists.wikimedia.org/mailman/listinfo/wikidata-l ---- Ivan Herman, W3C Semantic Web Activity Lead Home: http://www.w3.org/People/Ivan/ mobile: +31-641044153 FOAF: http://www.ivan-herman.net/foaf.rdf

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