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Re: [Ann] WebVOWL 0.3 - Visualize your ontology on the web

From: Timothy W. Cook <tim@mlhim.org>
Date: Tue, 23 Dec 2014 21:27:58 -0200
Message-ID: <CA+=OU3WQ3qjekv5P_5L50Mri3h6d3-Xi5vD4Sfqhryh6R8CCEQ@mail.gmail.com>
To: Steffen Lohmann <steffen.lohmann@vis.uni-stuttgart.de>
Cc: Kingsley Idehen <kidehen@openlinksw.com>, melvincarvalho@gmail.com, a_abbassene@cdta.dz, Sarven Capadisli <info@csarven.ca>, "semantic-web@w3.org" <semantic-web@w3.org>, "public-lod@w3.org community" <public-lod@w3.org>
Thanks for a fun tool and for listening to our criticisms.
Have a relaxing holiday.


On Tue, Dec 23, 2014 at 2:37 PM, Steffen Lohmann <
steffen.lohmann@vis.uni-stuttgart.de> wrote:

>  Kingsley, Timothy, Sarven, Melvin, Ali,
> On 22.12.2014 16:20, Kingsley Idehen wrote:
> I just want the URI of the current node in the graph to be a live link
> i.e., an exit point from the visualization tool to the actual source. You
> offer something close to this in the side panel, but its scoped to the
> entire ontology rather than a selected term.
> I am suggesting you make the selected node text e.g., "Tagging" an HTTP
> URI (hyperlink) via <a href="http://purl.org/muto/core#Tagging
> ">Tagging</a> .
> [1] http://susepaste.org/36507989 -- screenshot showing what's currently
> offered
> The URI and link is already there! The labels in the "Selection Details"
> (e.g., "Tagging") are hyperlinks that you can click on to go to the actual
> URIs. As it does not seem to be that clear (and the hyperlink URI may not
> be properly shown in all web browsers), we already discussed to add further
> tooltips with the URIs in the GUI.
> On 22.12.2014 17:26, Timothy W. Cook wrote:
>   You call it the label, Protege calls it the Description and in RDF/XML
> it is the URI fragment after the # symbol in the rdf:about attribute.  So,
> I am not exactly sure what it is supposed to be called, I call it the
> 'name'‚Äč; for what shows up in the tooltip.  Which is exactly the same thing
> as what is in the circle, rectangle, etc. on the page.
> We display the "rdfs:label" of the elements in the language that is
> selected in the sidebar. If "IRI-based" is selected as language, the label
> is generated from the last part of the URI. The tooltips with the full
> label are helpful in cases where long labels are abbreviated in the
> visualization.
>  In the sidebar 'Description' I do have a dc:description inside
> the owl:Ontology definition.  However, it doesn't display in WebVOWL.
> Usually, the dc:description annotation for the ontology is shown in the
> sidebar. Here is an example where it works:
> http://vowl.visualdataweb.org/webvowl/#iri=http://purl.org/muto/core
>  But my question was about the possibility of displaying (in tooltip or
> sidebar) other Dublin Core metadata for each class and property.  This
> would be really great documentation about the ontology being viewed.
> We plan to add additional elements to the selection details. Dublin Core
> is a candidate here, even though we cannot consider all possible
> vocabularies (remember that VOWL has mainly been designed for OWL and not
> for Dublin Core, SKOS, etc.). We will try to find a more generic approach
> of considering metadata in the future.
> On 23.12.2014 00:17, Sarven Capadisli wrote:
> I would suggest that, either use ? and let the server trigger everything
> (which is IMO the right thing to do here, and with simpler/better
> caching possibilities), or stick to # and let JavaScript manage it all
> (as is now).
>  On 23.12.2014 02:53, Melvin Carvalho wrote:
> The standard ? is a way of creating a "cool" URI that can be shared
> bookmarked etc.
>  The # character in HTTP is unfortunately overloaded to do a few things,
> which often causes confusion.  Primarily linked data people should be aware
> that the # character is a mechanism to point to linked data inside a
> document (frag ids).  It can be used in a few other ways sure, but I think
> in this case the motivation for hiding the query from the server is not
> high.
>  You can even let the server ignore the query string in this case and
> just have the split function detect ('#') or ('?')
> Thanks for your comments on that. We actually call the server in the
> background to process the ontology files, as we use our OWL2VOWL converter
> here that is based on Java and the OWL API.
> Using '?' for the requested ontology IRI and '#' for a part of it (e.g., a
> selected class) sounds quite canonical to me. Will be an issue for the next
> WebVOWL version (but not for the next couple of days ;-) ).
> On 22.12.2014 14:01, Ali ABBASSENE wrote:
> Is there any open-source version of WebVOWL ? Or any stencil of SVG files for the VOWL graphical representation ?
> Because I am planning to implement a VOWL enabled editor under the versatile modeler Oryx-editor (https://code.google.com/p/oryx-editor/).
> I am glad to hear that. Feel free to use VOWL for your editor, which comes
> with a creative commons license.
> WebVOWL is open source! It is released under the MIT license. The files
> are available at http://vowl.visualdataweb.org/webvowl.html#installation
> The visual language itself (VOWL 2) is specified at
> http://vowl.visualdataweb.org/v2 . The specification contains the SVG
> code of all VOWL elements (+ style information in a separate CSS).
> Just go ahead! I am looking forward to the result.
> Cheers,
> Steffen
> --
> Dr. Steffen Lohmann . Visualization and Interactive Systems (VIS)
> University of Stuttgart . Universitaetstrasse 38 . D-70569 Stuttgart
> Phone: +49 711 685-88438 . http://www.vis.uni-stuttgart.de/~lohmansn


Timothy Cook
LinkedIn Profile:http://www.linkedin.com/in/timothywaynecook
MLHIM http://www.mlhim.org
Received on Tuesday, 23 December 2014 23:28:25 UTC

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