Re: UMBEL Publicly Released

Hi Chris,



FYI: web site & pdf document fixed.


Thanks!


Take care,


Fred
>> UMBEL (Upper Mapping and Binding Exchange Layer) [1] is a lightweight 
>> ontology for relating Web content and data to a standard set of 
>> 20,000 subject concepts. Based on OpenCyc [2], these subject concepts 
>> have defined relationships between them, and can act as semantic 
>> binding nodes for any data or Web content.
>
> Very nice work and great to see that UMBEL is available as Linked Data 
> and already interlinked with various ontologies and datasets.
>
>> A further 1.5 million named entities have been extracted from 
>> Wikipedia and mapped to the UMBEL reference structure with 
>> cross-links to YAGO [3] and DBpedia [4].
>
> In order to allow people to browse from DBpedia into UMBEL and in 
> order to give Semantic Web crawlers more starting points to crawl 
> UMBEL and its interlinked datasets, it would be great to set RDF links 
> from DBpedia into UMBEL.
>
> Would it be possible that you send us the 1.5 million RDF links from 
> UMBEL to DBpedia that you already got so that we can serve them 
> together with DBpedia via our Linked Data interface and SPARQL endpoint?
>
> Reading the UMBEL documentation, I noticed that you use the 
> umbel:isLike property to link to DBpedia and the owl:sameAs property 
> to link to YAGO. For instance:
>
> ne:Pfizer umbel:isLike dbpedia:Pfizer
> ne:Pfizer owl:sameAs yago:Pfizer
>
> The UMBEL spec defines umbel:isLike  as
>
> "Additionally, the property umbel:isLike can be used to state that two 
> named entities "likely" have the same identity."
>
> Why do you think that your RDF links to YAGO are more likely to be 
> correct than your links into DBpedia?
>
> As all three datasets are derived from Wikipedia and Wikipedia page 
> identifiers should be present in all three datasets, I think we could 
> use owl:sameAs between all three.
>
> Keep on the great work and let's hope that UMBEL develops into an 
> important interlinking hub for the Web of Data.
>
> Cheers
>
> Chris
>
>
>> The system can easily be extended with additional dictionaries of 
>> named entities, including ones specific to enterprises or domains.
>>
>> UMBEL is provided as open source under the Creative Commons 3.0 
>> Attribution-Share Alike license. The complete ontology with all 
>> subject concepts, definitions, terms and relationships can be freely 
>> downloaded [see 5].  All subject concepts and named entities are 
>> available as Linked Data [see 5].  Five volumes of documentation [5] 
>> are also available.
>>
>> The release is accompanied by about a dozen Web services [6] for 
>> using or manipulating UMBEL, along with a new introductory slide show 
>> [7].
>>
>> Additional release information may be found on Fred's [8] or my [9] 
>> separate blog postings.
>>
>> We welcome those with interest or suggestions for improvements to do 
>> so through the UMBEL discussion forum [10].  We will shortly be 
>> putting easier services online for such input.
>>
>> So, enjoy!  We look forward to your commentary, suggestions and 
>> putting UMBEL under production-grade stress.  We know will be doing 
>> the same!
>>
>> Regards, Mike
>>
>>
>> [1]  http://www.umbel.org/
>> [2]  http://www.opencyc.org
>> [3]  http://www.mpi-inf.mpg.de/~suchanek/downloads/yago/
>> [4]  http://dbpedia.org
>> [5]  http://www.umbel.org/documentation.html
>> [6]  http://umbel.zitgist.com/
>> [7]  http://www.slideshare.net/mkbergman/
>> [8] 
>> http://fgiasson.com/blog/index.php/2008/07/16/starting-to-play-with-the-umbel-ontology/ 
>>
>> [9]  http://www.mkbergman.com/?p=449
>> [10] http://groups.google.com/group/umbel-ontology/
>>
>

Received on Thursday, 17 July 2008 15:06:46 UTC