Re: [Rdfapi-php-interest] RAP Development and OWL

[Chris B. <ch...@bi...>]

Hi Ciro,

thank you for your offer to support the development of RAP.

Currently, the project is in kind of sleep mode and nobody is actively
working on it from our side.

Nevertheless, we are open and happy about any external contributions.

Thus, if you use it in your project and if you extend the code base, please
send us your extensions and corrections and we will add them to the SVN.

Best regards,

Chris


-----Ursprüngliche Nachricht-----
Von: Ciro Scognamiglio [mailto:c.s...@cs...] 
Gesendet: Samstag, 7. August 2010 20:53
An: rdf...@li...
Betreff: [Rdfapi-php-interest] RAP Development and OWL

Hi all,
I hope there is somebody on this list, I have seen it is some time now the
project isn't updated, and I see on the mailing list there aren't many
messages either...anyway...
I finally had some time to spend on a personal project, part of the project
involves working with ontologies, and I was hoping to use PHP for most of
the development.
I picked up RAP because it is the only library that contains support for
ontology models (well, at least the most complete), but I am still missing
something, especially OWL support. It seems there is some code already, but
not activated, I tried activating the vocabulary and it seems there is still
some developing to do. Also I found a couple of problems:

- I use the following to include RAP in my script:

define('RDFAPI_INCLUDE_DIR', realpath('lib/rdfapi-php/api').'/');
include(RDFAPI_INCLUDE_DIR.'RDFAPI.php');

But I came across several "class not found" and "php script not found", so I
had to add by hand a require_once when I got an error like this. Am I doing
something wrong?

- This one is more serious: I am using PHP version 5.3.2, I think this
problem will affect all PHP versions starting from 5.3, maybe I can't
remember when namespaces where introduced in php, anyway, in the
RdfsVocabulary() and OWLVocabulary() classes the method NAMESPACE() can't be
used, I had to comment it (actually renamed to NS() for the moment):
Parse error: syntax error, unexpected T_NAMESPACE, expecting T_STRING in
rdfapi-php/api/ontModel/OWLVocabulary.php on line 357

I am interested in aiding the development of RAP, my own personal project
will slowly start and I could give some contribution to the code where
needed, especially on the OWL support side. Before that, I already had a
look at the sources checked out from the svn repository, but I really would
like to hear some words from the developers about the general status of the
development and the OWL support status at this time.

Thank you,
Ciro.
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