Re: [Wikidata-l] Wikidata CACM article (Was: Conflict of Interest policy for Wikidata)

2015-01-08 Thread Markus Krötzsch
On 08.01.2015 18:38, Denny Vrandečić wrote: Yes, CC-BY is great. Good. I have officially released the article text under this license now: https://korrekt.org/page/Wikidata:_A_Free_Collaborative_Knowledgebase Cheers, Markus On Thu Jan 08 2015 at 7:01:12 AM Markus Krötzsch mailto:mar...@se

Re: [Wikidata-l] Freebase's incompatible types and Property description permissions

2015-01-08 Thread Markus Krötzsch
On 09.01.2015 00:53, Lydia Pintscher wrote: ... I like the property-centric approach of wikidata, but is there a notion of subproperties for contextual refinement? I only found this: https://www.wikidata.org/wiki/Property:P1647 Yes that is all there is. For a usage example see https://www.wi

Re: [Wikidata-l] Freebase's incompatible types and Property description permissions

2015-01-08 Thread Markus Krötzsch
On 08.01.2015 22:52, Peter F. Patel-Schneider wrote: What then is P17 supposed to be used for? Could, I, for example, use P17 on the address of the Swiss embassy in Germany and have Switzerland as the value? "associated" is generally too weak a word to use in describing properties. We have to

Re: [Wikidata-l] Freebase's incompatible types and Property description permissions

2015-01-08 Thread Daniel Kinzler
Am 08.01.2015 21:52, schrieb Peter F. Patel-Schneider: > What then is P17 supposed to be used for? > > Could, I, for example, use P17 on the address of the Swiss embassy in Germany > and have Switzerland as the value? You could use P17 that way on the item about the Swiss embassy in Germany. I do

Re: [Wikidata-l] Freebase's incompatible types and Property description permissions

2015-01-08 Thread Joe Filceolaire
First: A band is an organisation, not a person. Second P17 is deliberately a bit ambiguous so it can be used for those cases where we don't have specific info. We also have specific properties for those cases where we have specific info. We can have an architect born in Germany who spent most of

Re: [Wikidata-l] Freebase's incompatible types and Property description permissions

2015-01-08 Thread Lydia Pintscher
On Fri, Jan 9, 2015 at 12:43 AM, Jason Douglas wrote: > Having worked at Metaweb/Google on Freebase, I'd be one of the first to > admit that Freebase's types conflate too many concepts as they were both > used for "Is A" class assertions and to group properties that were > frequently edited togeth

Re: [Wikidata-l] Freebase's incompatible types and Property description permissions

2015-01-08 Thread Jason Douglas
Having worked at Metaweb/Google on Freebase, I'd be one of the first to admit that Freebase's types conflate too many concepts as they were both used for "Is A" class assertions and to group properties that were frequently edited together (in the UI) and for more contextual descriptions and for...

Re: [Wikidata-l] Freebase's incompatible types and Property description permissions

2015-01-08 Thread Paul Houle
There is the cultural factor here that Freebase took an approach which is very similar to the RDFS approach in that they like the idea of defining separate properties like :HumanBirthDate :HorseBirthDate :DogBirthDate You can then treat these as subproperties of :AnimalBirthDate which is in turn

Re: [Wikidata-l] Freebase's incompatible types and Property description permissions

2015-01-08 Thread Peter F. Patel-Schneider
What then is P17 supposed to be used for? Could, I, for example, use P17 on the address of the Swiss embassy in Germany and have Switzerland as the value? "associated" is generally too weak a word to use in describing properties. peter On 01/08/2015 01:46 PM, Thad Guidry wrote: Markus, De

Re: [Wikidata-l] Freebase's incompatible types and Property description permissions

2015-01-08 Thread Thad Guidry
Markus, Devils in the details. =) You used the English word "associated". That's great. Then I would propose to expand the definition of P17 just a bit to add that. P17 Country - sovereign state of this item ... to ... sovereign state ASSOCIATED with this item Then you save the world. =) Tho

Re: [Wikidata-l] Freebase's incompatible types and Property description permissions

2015-01-08 Thread Ricordisamoa
Il 08/01/2015 20:37, Thad Guidry ha scritto: On Thu, Jan 8, 2015 at 12:17 PM, Federico Leva (Nemo) mailto:nemow...@gmail.com>> wrote: Thad Guidry, 08/01/2015 18:58: Unless the P17 Country property had an expanded definition of "sovereign state (or originating sove

Re: [Wikidata-l] Freebase's incompatible types and Property description permissions

2015-01-08 Thread Markus Krötzsch
On 08.01.2015 21:29, Thad Guidry wrote: Hi Marcus! Yes, you and I are on the same page. I do indeed get this impression ;-) Yes, I know about the Property-first view of WIkidata. No quibbles. But there is still an issue with Assumptions for "Country" P17 being used for an instance of Band.

Re: [Wikidata-l] Freebase's incompatible types and Property description permissions

2015-01-08 Thread Markus Krötzsch
Dear Thad, The second part of your email has good points in it, too. As you say, one must allow for adjustments in the intended meaning of a property in real life, and adjusting too much could be dangerous. The method you suggest (creating a new property and deprecating the old one, rather th

Re: [Wikidata-l] Freebase's incompatible types and Property description permissions

2015-01-08 Thread Thad Guidry
Hi Marcus! Yes, you and I are on the same page. Yes, I know about the Property-first view of WIkidata. No quibbles. But there is still an issue with Assumptions for "Country" P17 being used for an instance of Band...so let's clarify this... So, I guess things are fuzzy, because I do not jump t

Re: [Wikidata-l] Freebase's incompatible types and Property description permissions

2015-01-08 Thread Markus Krötzsch
On 08.01.2015 20:37, Thad Guidry wrote: ... Right, Freebase would not stick a Property called "Country" right on an instance of a Music Band. We would put Country under the Musical Group type, and give it a better definition like "The nation or territory that this item originated from". Freeb

Re: [Wikidata-l] Queries related question : relationship beetween queries

2015-01-08 Thread Thomas Douillard
Templates can also be coded in lua, which is comparable to javascript in expressivity. It's not so hard to code a generic lua template that could act as reasonator, multilingual and that could be imported into every language versions of Wikipedia. Here is the interesting thing : this generic versi

Re: [Wikidata-l] Freebase's incompatible types and Property description permissions

2015-01-08 Thread Thad Guidry
On Thu, Jan 8, 2015 at 12:17 PM, Federico Leva (Nemo) wrote: > Thad Guidry, 08/01/2015 18:58: > >> Unless the P17 Country property had an expanded definition of "sovereign >> state (or originating sovereign state) of this item" >> > > That's more like P27. Both are rather flexible though, see the

Re: [Wikidata-l] Freebase's incompatible types and Property description permissions

2015-01-08 Thread Federico Leva (Nemo)
Thad Guidry, 08/01/2015 18:58: Unless the P17 Country property had an expanded definition of "sovereign state (or originating sovereign state) of this item" That's more like P27. Both are rather flexible though, see their talk pages. https://www.wikidata.org/wiki/Property_talk:P17 1. How doe

[Wikidata-l] Freebase's incompatible types and Property description permissions

2015-01-08 Thread Thad Guidry
Freebase has mutexes that store incompatible type information. For instance, in Wikidata I noticed on the U2 band topic, that they have statements of: P17 Country - sovereign state of this item. P740 Location of formation - location where a group or organization was formed. In Freebase we have b

Re: [Wikidata-l] [Mediawiki-api] Freebase like API with an OUTPUT feature ?

2015-01-08 Thread Denny Vrandečić
Actually, since Wikidata allows now properties on properties, one might easily create an item "Disambiguating property" and then make a claim "instance of - Disambiguating property" on the relevant property. there is no need for any extra implementation work. On Wed Jan 07 2015 at 9:48:32 AM Tha

Re: [Wikidata-l] Conflict of Interest policy for Wikidata

2015-01-08 Thread Denny Vrandečić
Yay! I would love to see it featured on the Wikidata main page! Let's slashdot ACM :) On Thu Jan 08 2015 at 6:11:57 AM wrote: > Prior to viewing Markus Krötzsch's Wikidata page, I was unaware of the > "Wikidata: A Free Collaborative Knowledgebase" article [1] written by > Denny Vrandečić and Mar

Re: [Wikidata-l] Wikidata CACM article (Was: Conflict of Interest policy for Wikidata)

2015-01-08 Thread Denny Vrandečić
Yes, CC-BY is great. On Thu Jan 08 2015 at 7:01:12 AM Markus Krötzsch < mar...@semantic-mediawiki.org> wrote: > On 08.01.2015 15:10, ja...@j1w.xyz wrote: > > Prior to viewing Markus Krötzsch's Wikidata page, I was unaware of the > > "Wikidata: A Free Collaborative Knowledgebase" article [1] writt

[Wikidata-l] Wikidata CACM article (Was: Conflict of Interest policy for Wikidata)

2015-01-08 Thread Markus Krötzsch
On 08.01.2015 15:10, ja...@j1w.xyz wrote: Prior to viewing Markus Krötzsch's Wikidata page, I was unaware of the "Wikidata: A Free Collaborative Knowledgebase" article [1] written by Denny Vrandečić and Markus Krötzsch. This is a very helpful article that in my opinion should be featured on the

Re: [Wikidata-l] Conflict of Interest policy for Wikidata

2015-01-08 Thread james
Prior to viewing Markus Krötzsch's Wikidata page, I was unaware of the "Wikidata: A Free Collaborative Knowledgebase" article [1] written by Denny Vrandečić and Markus Krötzsch. This is a very helpful article that in my opinion should be featured on the Wikidata main page. [1] http://cacm.acm.or