Re: Pengine - the Prolog engine running SWISH

Thanks Nicos! Yes, Pengine certainly needs more examples. I'll have a
look at library(ugraphs) and d3.

Best,
Torbjörn

On Fri, Aug 16, 2013 at 1:21 AM, Nicos Angelopoulos
<[email protected]> wrote:
>
>
> Dear Torbjörn,
>
> That 's great stuff.
>
> If you are looking for examples to add to the 8 queens, may I suggest
> graph [library(ugraphs)] visualisation with d3 [1],(for example [2]).
>
> Nicos Angelopoulos
> ---
> http://bioinformatics.nki.nl/~n.angelopoulos
>
> [1] http://d3js.org/
> [2] http://rkirsling.github.io/modallogic/
>
>
>
> On Thu, 15 Aug 2013 14:57:26 +0200
> Torbjörn Lager <[email protected]> wrote:
>
>> Yes, I call it Pengine, my platform in the works. Pengine is short for
>> "Prolog engine" and the platform comprises a special purpose web
>> server and a tiny but rich JavaScript library wrapping a set of web
>> API:s for access to Prolog from web clients. SWISH and a number of
>> small demo apps are currently running on it.
>>
>> At this point I could use some feedback so you are hereby invited to
>> take the first versions of Pengine Scratchpad, the Pengine JavaScript
>> API Tutorial and (if you haven't tried it before) SWISH (which really
>> hasn't changed much lately):
>>
>>  http://swish.spyderbrain.com:5003/scratchpad
>>
>>  http://swish.spyderbrain.com:5003/tutorial
>>
>>  http://swish.spyderbrain.com:5003/swish
>>
>> Apparently, "Pengine" is also a word in Swahili that means "perhaps",
>> "maybe", "possibly" or something like that. And perhaps, maybe,
>> possibly Pengine will turn out to be THE way to do web logic
>> programming in the future. I like to think so. I'm fairly sure that
>> "ordinary" web developers will appreciate the fact that the JavaScript
>> API feels very natural for a JavaScript programmer, and the fact that
>> they don't need to know or learn a lot of Prolog in order to make good
>> use of it. I like to think that something like Pengine can inspire
>> JavaScript programmers to learn (more) Prolog.
>>
>> Experienced Prolog programmers might also be interested in Pengine.
>> You need to know a little bit of HTML and a little bit of JavaScript
>> of course, but not much. As can be seen in the Scratchpad and in the
>> tutorial, the way you write your Prolog code is also very natural. The
>> fact that if you choose, you can allow clients to run arbitrary but
>> safe Prolog code on the server is of course an interesting and
>> sometimes very useful feature. But that's just one attractive Pengine
>> feature out of many in my opinion. What makes me believe that
>> something similar to Pengine might become THE way to build web apps in
>> Prolog (and other LP languages) is the nice way in which Prolog and
>> JavaScript play together on the API level. You need to have looked
>> closely at the tutorial and studied the demo programs to understand
>> why I think it works so well.
>>
>> So, what do you think? Could Pengine (or something similar) become THE
>> way to do web logic programming in the future? Please be critical and
>> feel free to argue as fiercely as you want against my admittedly very
>> bold claim. I promise to fight back. :-) But please also take into
>> consideration that this is an early and somewhat incomplete release of
>> Pengine.
>>
>> Now, off to build that snazzy Pengine Server Admin GUI that is needed
>> before Pengine can be released...
>>
>> Best regards,
>> Torbjörn
>>
>>
>>
>> --
>> Torbjörn Lager
>> Professor of General and Computational Linguistics
>> Department of Philosophy, Linguistics and Theory of Science
>> University of Gothenburg
>> Box 200, SE-405 30 Gothenburg, Sweden
>> Phone: +46317864962
>> _______________________________________________
>> SWI-Prolog mailing list
>> [email protected]
>> https://lists.iai.uni-bonn.de/mailman/listinfo.cgi/swi-prolog



-- 
Torbjörn Lager
Professor of General and Computational Linguistics
Department of Philosophy, Linguistics and Theory of Science
University of Gothenburg
Box 200, SE-405 30 Gothenburg, Sweden
Phone: +46317864962