Godels incompleteness theorem, QED. On Mar 2, 2016 8:39 AM, "Tom Morris" <[email protected]> wrote:
> I can see how one could measure completeness of article transcription in > the 1911 edition of Encyclopedia Britannica, but I don't see how you can > measure the completeness of a list of Obama's children, or anyone else's > for that matter. > > First, it's temporally sensitive, so it depends on when you ask or what > point in time you want to know about. Second, speaking as an occasional > family historian, the father may not know all his children or, even if he > does, be willing to divulge the complete list. > > This situation isn't unique to family composition, it applies to many, > many aspects of the real world. How do you know something is "complete?" > The fact that you've got everything in the latest Rembrandt catalog doesn't > mean that you have a complete list of Rembrandt's paintings. > > Tom > > On Wed, Mar 2, 2016 at 11:27 AM, Fariz Darari <[email protected]> wrote: > >> Hello Jane, >> >> I did some look-up about the Encyclopedia Britannica on Wikisource >> (thanks for the pointer), and yes, some part is complete ( >> https://en.wikisource.org/wiki/1911_Encyclop%C3%A6dia_Britannica/Vol_1:1) >> and some part is yet to be completed ( >> https://en.wikisource.org/wiki/1911_Encyclop%C3%A6dia_Britannica/Vol_20:4 >> ). >> >> With respect to that use case, COOL-WD could perform the following >> inference: >> 1. Suppose that we are complete for all the volumes of the EB. >> 2. Suppose that for each volume, we are also complete for all the >> sections of the EB. >> 3. And last, for each section, we are complete for all the topics. >> Then, one conclusion by COOL-WD is that querying for all the topics of >> all the sections of all the volumes of the EB would give us the complete >> answers :) >> >> As for the statistical inference (e.g., how far are we complete for the >> EB wrt. volumes, sections, and topics), this is indeed an interesting idea >> that could be featured on a next release of COOL-WD! >> >> Regards, >> Fariz >> >> On Wed, Mar 2, 2016 at 11:26 AM, Jane Darnell <[email protected]> wrote: >> >>> I had no problem reading your mail. Thinking it over, this would also be >>> a way to track the connection of dictionaries in Wikisource to items in >>> Wikidata. So for example, Wikisource has lots of imported articles from the >>> Encyclopedia Britannica 1911, and it would be nice to track >>> 1) Completeness in Wikisource (how many articles are complete in section >>> "A"?) >>> 2) Completeness of matchups in section "A" to articles in English >>> Wikipedia (how many subjects of Wikisource EB 1911 "A" articles have items >>> on Wikidata with a link to English Wikipedia) >>> >>> Once you have all that, it would be interesting to know about the >>> relative completeness of >>> a) Places >>> b) Events >>> c) Male people >>> d) Female people >>> >>> etc. >>> >>> On Wed, Mar 2, 2016 at 10:57 AM, Fariz Darari <[email protected]> wrote: >>> >>>> Hello Jane, >>>> >>>> thank you! Yes, that sounds like a suitable use case for COOL-WD! >>>> >>>> PS: Pardon the formatting of the announcement email, somehow the >>>> linebreaks are vanished :( >>>> I am now experimenting with another email client, hopefully the >>>> linebreaks are there. >>>> >>>> Regards, >>>> Fariz >>>> >>>> On Wed, Mar 2, 2016 at 10:38 AM, Jane Darnell <[email protected]> >>>> wrote: >>>> >>>>> Wow this sounds great! I would love to use this for oeuvre catalogs of >>>>> top painters! The latest Rembrandt catalog is complete on Wikidata, as >>>>> well as a few other ones, but older ones are not yet complete. This could >>>>> be a great tracking tool for WikiProjects. >>>>> >>>>> On Wed, Mar 2, 2016 at 10:17 AM, Darari Fariz < >>>>> [email protected]> wrote: >>>>> >>>>>> Hello Wikidata community! Wikidata is a great platform for collecting >>>>>> information, and the high quality work of many authors yields very >>>>>> reliable >>>>>> information. Still, a challenge for users of Wikidata is that there is no >>>>>> way to see whether *all* data on a certain topic is in Wikidata. For >>>>>> instance, it is easy to see that Malia and Sasha are children of Obama, >>>>>> but >>>>>> there is no way to specify that these are all his children. More >>>>>> generally, >>>>>> Wikidata stores many facts, but it stores no information about which >>>>>> topic >>>>>> it contains all facts. Today we are happy to share with you a prototype >>>>>> that allows to add and manage such completeness information, and would be >>>>>> happy to get your feedback on how useful you consider this tool, or where >>>>>> you see space for improvements. With our prototype, called COOL-WD >>>>>> (Completeness Tool for Wikidata), one can: 1. See completeness statements >>>>>> for Wikidata facts 2. Add, remove, aggregate and filter completeness >>>>>> statements 3. See how completeness statements allow conclusions about the >>>>>> completeness of SPARQL queries over Wikidata. COOL-WD is available at >>>>>> http://cool-wd.inf.unibz.it/ and a 3-min demo video can be found at >>>>>> http://cool-wd.inf.unibz.it/coolwd-hd.mp4 It employs various >>>>>> libraries, most importantly GWT, Apache Jena, SQLite and the Wikidata >>>>>> API. >>>>>> The formal background and description of the tool including an indexing >>>>>> technique for completeness statements have been accepted as a research >>>>>> paper at ICWE 2016 (http://icwe2016.inf.usi.ch/) available to >>>>>> download at: http://bit.ly/1VOsRCH Below are some naive ideas of how >>>>>> completeness could be useful to users: > Use Case 1: Rido is a geographer >>>>>> who would like to contribute to Wikidata about the administrative >>>>>> divisions >>>>>> of regions. He cares so much about data quality, especially data >>>>>> completeness, and is collaborating with Simon, another geographer. >>>>>> However, >>>>>> when completing data on Wikidata, there is currently no way to mark which >>>>>> data is complete. Rido and Simon must make these notes about completeness >>>>>> manually in, say, a Google Doc. Worse still, the effort from Rido and >>>>>> Simon >>>>>> to complete data could not be appreciated by Wikidata users since to the >>>>>> users’ eyes, there is no difference between complete data and incomplete >>>>>> data on Wikidata. Demo: Wikidata is complete for all administrative >>>>>> divisions of Saxony (http://cool-wd.inf.unibz.it/?p=Q1202) > Use >>>>>> Case 2: Jen is a developer of a moviegoer application. She usually >>>>>> integrates data between multiple sources including Wikidata. If some >>>>>> movies >>>>>> on Wikidata have completeness statements, she might optimize her >>>>>> application to not search in other data sources for those movies. Demo: >>>>>> So, >>>>>> when her app is asking on COOL-WD at >>>>>> http://cool-wd.inf.unibz.it/?p=query for cast and screenwriters of >>>>>> the movie Before Sunset (http://cool-wd.inf.unibz.it/?p=Q652186): >>>>>> SELECT * WHERE { wd:Q652186 wdt:P161 ?c . wd:Q652186 wdt:P58 ?s } Her app >>>>>> gets not only query answers but also the completeness information of her >>>>>> query. We are looking forward to your feedback! Best, Fariz, Simon, Rido, >>>>>> and Werner Free University of Bozen-Bolzano, Italy >>>>>> >>>>>> _______________________________________________ >>>>>> Wikidata mailing list >>>>>> [email protected] >>>>>> https://lists.wikimedia.org/mailman/listinfo/wikidata >>>>>> >>>>>> >>>>> >>>>> _______________________________________________ >>>>> Wikidata mailing list >>>>> [email protected] >>>>> https://lists.wikimedia.org/mailman/listinfo/wikidata >>>>> >>>>> >>>> >>>> _______________________________________________ >>>> Wikidata mailing list >>>> [email protected] >>>> https://lists.wikimedia.org/mailman/listinfo/wikidata >>>> >>>> >>> >>> _______________________________________________ >>> Wikidata mailing list >>> [email protected] >>> https://lists.wikimedia.org/mailman/listinfo/wikidata >>> >>> >> >> _______________________________________________ >> Wikidata mailing list >> [email protected] >> https://lists.wikimedia.org/mailman/listinfo/wikidata >> >> > > _______________________________________________ > Wikidata mailing list > [email protected] > https://lists.wikimedia.org/mailman/listinfo/wikidata > >
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