Hi Prateek,
On Wed, Mar 11, 2015 at 10:44 PM, Prateek Saxena <
prateeksaxena2...@gmail.com> wrote:
> Hello Jens,
>
> Sorry for the delay in getting back to you. Thanks for your clarifications.
>
> From what i understand, the first task is to port the DL learner plugin
> for Protege <http://protegewiki.stanford.edu/wiki/DL-Learner> to
> webprotege. While researching for methods to create plugins for webprotege,
> I stumbled upon the webprotege github page
> <https://github.com/protegeproject/webprotege>. The readme mentions that
> in order to create a plugin for web protege, you might need to build
> webprotege on a local machine. However, there is a dbpedia ontology
> <http://webprotege.stanford.edu/#Edit:projectId=7899c363-3e17-471c-adba-fee50dfe6d60>
> project
> on the stanford hosted solution. Is the future plan to continue using the
> stanford hosted solution or to host webprotege on dbpedia's own servers?
>
The plan is to use our own servers and we developed some addon plugins to
keep the mappings wiki in sync with web-protege.
>
> I was able to find detailed instructions
> <http://protegewiki.stanford.edu/wiki/Protege4DevDocs#Writing_A_Plugin>
> for building plugins in protege but could not find an equivalent resource
> for webprotege. Could you suggest a resource or a warm-up task to begin
> with?
>
> Regards,
> Prateek
>
>
> On Mon, Mar 9, 2015 at 4:18 PM, Jens Lehmann <
> lehm...@informatik.uni-leipzig.de> wrote:
>
>>
>> Dear Prateek,
>>
>> Am 03.03.2015 um 22:14 schrieb Prateek Saxena:
>> > Hello,
>> >
>> > My name is Prateek Saxena and I am pursuing my M.S. in the domain of
>> > 'Natural Language Processing' and 'semantic web' from IIIT Hyderabad. I
>> > have been working in the domain of ontologies and feature extraction and
>> > am familiar with creation of knowledge bases.
>> >
>> > While going through the list of GSoC 2015 DBpedia ideas, I found the
>> > following projects interesting and also the best use of my skillset.
>> >
>> > 5.11- DBpedia Schema Enrichment on Web Protege
>> > 5.13- Aligning Life-Science Ontologies to Dbpedia
>>
>> Thanks for your interest in the projects.
>>
>> > On the basis of my understanding of the projects from the description of
>> > the project ideas (and the provided resources), I have a few queries.
>> > Could you kindly answer these queries or bring to light any
>> > discrepancies in my understanding?
>> >
>> > 1. Parsing - The paper mentions that parsing has been done using wiki
>> > parser. I am unsure whether the parsing results in creating only
>> > syntactic links or does it result in extracting some shallow semantic
>> > dependencies(eg. nsubj) as well.
>> >
>> > 2. Feature Extraction:- The paper does have a few examples of features
>> > from raw infobox but does Dbpedia already have a closed list of features
>> > or does the project entail only creating groups based on semantic
>> > similarity. Because if the latter is true, the list shall be an open
>> > class and the usability shall account for non-completeness.
>>
>> Could you be more specific on the paper you are referring to? I assume
>> you mean http://jens-lehmann.org/files/2014/swj_dbpedia.pdf.
>>
>> For the enrichment topic (5.11) you would actually not need parsing and
>> feature extraction as the task would be to develop a DL-Learner plugin
>> for Web Protégé not directly interact with the extraction part of the
>> framework.
>>
>> For the life science extraction, we would still have to see how and
>> whether extraction framework modifications are necessary. A large part
>> of the alignment to life science ontologies can be done via the mappings
>> wiki and in postprocessing via link discovery (using LIMES -
>> http://aksw.org/Projects/LIMES.html). You can also ask general DBpedia
>> developer questions (and those seem to be general) in the developers
>> list: https://sourceforge.net/p/dbpedia/mailman/.
>>
>> > 3.DL learner- The DL learner helps in creating a framework following
>> > description logic. However, Protege also provides First order logic
>> > through the use of the SWRL
>> > <http://protegewiki.stanford.edu/wiki/SWRLTab> tab. Is the use of DL a
>> > hard-lined specification of the project, or is it all right to use both
>> > FOL and DL?
>>
>> First, you have to distinguish between "Protégé" which is a desktop
>> application and "Web Protégé" which is a web application and thus more
>> suitable for collaborating on the DBpedia ontology. In order to work
>> with SWRL, you would need the following: 1.) SWRL support in Web
>> Protégé, 2.) SWRL-Support in DL-Learner and 3.) some consensus in the
>> DBpedia ontology group to use SWRL (there is a dbpedia-ontology list to
>> which such a question could be posted - see the above link). So while it
>> is not impossible to do, it would be a larger project, whereas the use
>> of OWL (which builds on description logics) is already established in
>> DBpedia.
>>
>> > I would be grateful if you could tell me more about the project and
>> > suggest a systematic approach (like warm-up tasks) so that I can learn
>> > more about the project.
>>
>> I added the other mentors in CC as well. We hope to be able to provide
>> more information.
>>
>> Kind regards,
>>
>> Jens
>>
>>
>> --
>> Dr. Jens Lehmann
>> Head of AKSW group, University of Leipzig
>> Homepage: http://www.jens-lehmann.org
>> Group: http://aksw.org - semantic web research center
>> Project: http://geoknow.eu - geospatial data on the web
>>
>>
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>
>
>
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Kontokostas Dimitris
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