[om] Re: Mathworld @ Wolfram back on line

[Ernesto]

Hi Paul,

The state of our (riaca) phraseebooks is as follows:

-Both gap and Mathematica support most of the core CDs functionality (at
least for 
 going from OpenMath to Mathemcatica or Gap Native code). The way back
Native-OpenMath 
 is not so good as it is dificult even to decide what is the "meanning"
of a native expression.
 (For instance, a List of List on Gap can be either a Matrix, a List of
List, a Set of List, a
  Set of Sets, etc). We have a work around using some casting operations
(not included by now on 
  the pharsebooks).
 
-Both can be used to send Native commands and get back either OpenMath
or Native sintax.

-Both supports dynamical CDs pluging. That means if you write the
implementations of
 of your own CDs using the API we provide you can extent the set of
supported CDs.

I working also on a JSP tag library to easy the development of JSP pages
(and web applications)
that use interaction with bacengines (unfortunately this is a private
project). Among the things 
you easily do with the help of the tag library are: 

-Create phrasebook JavaBeans and later on use them (all of these via
tags) to compute 
 with the back engines.
-Produce MathML from OpenMath. Here you can either use a XSLT stylesheet
or even beter (and faster)
 a MathML phrasebook we are developing.
-The tag library also helps you to have some kind of context (to place
objects and and keep track of
 things).
-Casting of OpenMath objects.

I hope soon we will have a demo in Our web site ilustrating all of this.

Please any contributions (criticisms) are welcome.

Best regards,

Ernesto Reinaldo Barreiro.

Paul Libbrecht wrote:
> 
> Would anyone get into a comparative list of the phrasebooks with some
> quality annotations ??
> I had the impression the gap and mathematica phrasebooks are probably good
> and usable, our attempts for the sfu Maple phrasebooks were simply
> catastrophic and I believe there are some out there.
> 
> Having a page on the OpenMath website where the makers make a commitment
> of compliance and other such fancy  things as made in the MathML or SVG
> page of W3C would be really really meaningful.
> 
> Thanks.
> 
> Paul
> 
> On Samedi, novembre 10, 2001, at 03:20 PM, Arjeh Cohen wrote:
> 
> > For free available phrasebooks for Mathematica,
> > see http://crystal.win.tue.nl/download
> >
> > It is open source, and teh Mathematica phrasebook
> > is not perfect... but we are working on it,
> > and you are very welcome to contribute,
> >
> >
> > Sincerely, Arjeh
> >
> 
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