Hi Moritz,
I must say that this is not very reassuring. So basically what we have in this datatype now is a "LaTeX-like" markup language that is only supported by one implementation that was created for MediaWiki, and partially by a LaTeX package that you created.
Why did you not just use LaTeX? Do we really need additional commands here? Just think about the interoperability of the data you are creating. Just because some command alias is used on Wikipedia does not mean we need it -- we can simply translate it to standard LaTeX on import.
The question about MathJax I asked because consumers of the data clearly need some way to display this markup. MathJax is a widely used library that can support this. Or maybe MathJax already supports your custom extensions somehow (I am not that familiar with it)? If not, then what other ways are there of embedding your custom math markup language into my application?
Cheers,
Markus
On 03.02.2016 13:52, Schubotz, Moritz wrote:
Hi Markus,
it's not exactly a subset of LaTeX. Some commands were added some were removed. A large portion of those parts are documented here https://en.wikipedia.org/wiki/Help:Displaying_a_formula , and a complete list is available from http://1drv.ms/1RtoZoW For LaTeX users I created a LaTeX macro package so that they can copy and paste texvc style LaTeX code to regular LaTeX documents https://www.ctan.org/pkg/texvc However, there are two issues with this package: \and and \or are not supported by my LaTeX package since redefining those commands caused internal problems. However, most of the time people use the standard LaTeX command \lor and \land anyhow. Altogether, enwiki contains 969 \lor and 1581 \land. Statistics on the usage frequencies are available from https://gitlab.tubit.tu-berlin.de/data/wikiFormulae/tree/master
w.r.t 2) I have no idea how that relates to MathJax? Can you explain the background of your question?
Best Moritz
Moritz Schubotz TU Berlin, Fakultät IV DIMA - Sekr. EN7 Raum E-N 741 Einsteinufer 17 D-10587 Berlin Germany
Tel.: +49 30 314 22784 Mobil:+49 1578 047 1397 E-Mail: schubotz@tu-berlin.de Skype: Schubi87 ICQ: 200302764 Msn: Moritz@Schubotz.de
-----Ursprüngliche Nachricht----- Von: Markus Krötzsch [mailto:markus@semantic-mediawiki.org] Gesendet: Mittwoch, 3. Februar 2016 12:06 An: Discussion list for the Wikidata project.; Lydia Pintscher Cc: Schubotz, Moritz Betreff: Re: [Wikidata] upcoming deployments/features
For a consumer, the main practical questions would be:
(1) What subset of LaTeX exactly do you need to support to display the math expressions in Wikidata? (2) As a follow up: does MathJAX work to display this? If not, what does?
Cheers,
Markus
On 02.02.2016 10:01, Moritz Schubotz wrote:
The string is interpreted by the math extension in the same way as the Math extension interprets the text between the <math /> tags. There is an API to extract identifiers and the packages required to render the input with regular latex from here: http://api.formulasearchengine.com/v1/?doc or also https://en.wikipedia.org/api/rest_v1/?doc#!/Math/post_media_math_check _type (The wikipedia endpoint has been opened to the public just moments ago) In the future, we are planning to provide additional semantics from there. If you have additional questions, please contact me directly, since I'm not a member on the list. Moritz
On Tue, Feb 2, 2016 at 8:53 AM, Lydia Pintscher <Lydia.Pintscher@wikimedia.de mailto:Lydia.Pintscher@wikimedia.de> wrote:
On Mon, Feb 1, 2016 at 8:44 PM Markus Krötzsch <markus@semantic-mediawiki.org <mailto:markus@semantic-mediawiki.org>> wrote: On 01.02.2016 17:14, Lydia Pintscher wrote: > Hey folks :) > > I just sat down with Katie to plan the next important feature > deployments that are coming up this month. Here is the plan: > * new datatype for mathematical expressions: We'll get it live on > test.wikidata.org <http://test.wikidata.org> <http://test.wikidata.org> tomorrow and then bring it > to wikidata.org <http://wikidata.org> <http://wikidata.org> on the 9th Documentation? What will downstream users like us need to do to support this? How is this mapped to JSON? How is this mapped to RDF? It is a string representing markup for the Math extension. You can already test it here: http://wikidata.beta.wmflabs.org/wiki/Q117940. See also https://en.wikipedia.org/wiki/Help:Displaying_a_formula. Maybe Moritz wants to say bit more as his students created the datatype. Cheers Lydia -- Lydia Pintscher - http://about.me/lydia.pintscher Product Manager for Wikidata Wikimedia Deutschland e.V. Tempelhofer Ufer 23-24 10963 Berlin www.wikimedia.de <http://www.wikimedia.de> Wikimedia Deutschland - Gesellschaft zur Förderung Freien Wissens e. V. Eingetragen im Vereinsregister des Amtsgerichts Berlin-Charlottenburg unter der Nummer 23855 Nz. Als gemeinnützig anerkannt durch das Finanzamt für Körperschaften I Berlin, Steuernummer 27/029/42207.-- Moritz Schubotz TU Berlin, Fakultät IV DIMA - Sekr. EN7 Raum EN742 Einsteinufer 17 D-10587 Berlin Germany
Tel.: +49 30 314 22784 Mobil.: +49 1578 047 1397 Fax: +49 30 314 21601 E-Mail: schubotz@tu-berlin.de mailto:schubotz@tu-berlin.de Skype: Schubi87 ICQ: 200302764 Msn: Moritz@Schubotz.de
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