visualizing the music ontology?
George London
My name is George. I'm new to this list, but I'm working on a project
to more easily search music information from around the semantic/
regular web, and the Music Ontology sounds like it could be super
helpful for that.
I'm wondering if anyone could recommend a tool that would let me
visualize the ontology as a single graph? I suppose I could download
the RDF and build or find some sort of general graph visualizer, but I
would imagine an integrated product for this already exists. I'm
pretty new to semantic technology, so no suggestion is too obvious!
Also, if anyone on this list lives in New York, I'd love to grab
coffee and talk about what I'm doing and about your experiences
working with music data.
Thanks!
-George London
tw: @rogueleaderr
http://rogueleaderr.tumblr.com/
Joshan Mahmud
I actually think there's not always a good tool that does this despite it being the most obvious thing that should be available in the semantic web world. But there are a few tools which you could use which can help you get started:
- protege: this is an ontology tool which allow you to view/build the class & properties of an ontology (not much graph visualisation stuff)
- top raid composer: you have to pay for this but have some graph visualisation stuff. Does the same as protege
- IsAViz: from W3C-my manager introduced this to me this week-this views instances of data and produces and visual graph using GraphViz. It works very much on instance data but should work for ontologies to.
Remember that anything that visualises an ontology may not always show exactly what you were expecting (at least it didn't always appear to me that way) and its always good to look at instances - I.e real RDF data that uses the ontology. The other guys on this list can help there but start with MusicBrainz and BBC if you haven already!
Hope that helps a bit...
Josh
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Bob Ferris
Josh already gave some good recommendations. I wouldn't recommend to
visualize the whole ontology at once. It's better to explore different
parts bit by bit to grasp the whole thing.
The Music Ontology wiki provides an overview of different parts of the
Music Ontology and how they are related to each other (see [1,2]).
Furthermore, there is a list of examples [3] that should illustrate the
expressiveness of the Music Ontology, i.e., one could describe things on
different levels of abstraction and complexity (and even relate them to
each [4]). The advantage of an ontology is that there are no strict
rules what an ontology consumer has to describe, i.e., one only
describes things which one would like to describe.
Re. an ontology modelling tool, I would especially recommend to utilise
TopBraid Composer [5], which provides in its Maestro Edition* a nice
graphical editor, where one could start such an exploration of an
ontology. The Majority of the visualisations in the Music Ontology wiki
were created with the help of this tool ;)
If you are interested in more details about the Music Ontology, I would
also recommend you to read the relevant parts of Yves' PhD thesis [6] or
the paper about the Music Ontology [7]. However, be aware of that they
do not reflect the current state of the Music Ontology, since this
vocabulary evolved since then ;) (see [8])
I hope this will help for the beginning. Otherwise, please don't
hesitate to ask further questions. You are welcome ;)
Cheers,
Bo
PS: Be aware of that the old wiki was massively spammed most recently
(that's why we are moving all the stuff to the new Wiki at GitHub ATM :) )
*) which is also available for free for a 30-days test period
[1] https://github.com/motools/musicontology/wiki/Class-Schemas (new wiki)
[2] http://wiki.musicontology.com/index.php/Classes_Schemas (old wiki)
[3] http://wiki.musicontology.com/index.php/Examples (old wiki)
[4]
http://wiki.musicontology.com/index.php/Mo_-_levels_of_abstraction_-_whole_way_down
(old wiki)
[5] http://www.topquadrant.com/products/TB_Composer.html
[6] http://moustaki.org/phd/
[7] http://moustaki.org/pubs/Raimond-ISMIR2007-Submitted.pdf
[8] http://wiki.musicontology.com/index.php/Changelog
On 1/13/2012 9:59 PM, Joshan Mahmud wrote:
> Hi George
>
> I actually think there's not always a good tool that does this despite it being the most obvious thing that should be available in the semantic web world. But there are a few tools which you could use which can help you get started:
> - protege: this is an ontology tool which allow you to view/build the class& properties of an ontology (not much graph visualisation stuff)