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Re: LODCloud SPARQL Endpoints Spreadsheet

From: Kingsley Idehen <kidehen@openlinksw.com>
Date: Tue, 17 Mar 2020 11:02:26 -0400
To: public-lod@w3.org
Message-ID: <021272c0-fa9d-69b4-a6b0-1a701e7edc8f@openlinksw.com>
On 3/17/20 10:12 AM, Claus Stadler wrote:
>
> Hi all,
>
>
> Last week I got a list of endpoints from one colleague and it turned
> out that many were dead so I hacked up a little service check [1] with
> Github-Actions (and our own sparql-integrate tool[2]) . And then
> another colleague told my of the rather recent effort that happened here.
>
>
> Openlink's LODCloud_SPARQL_Endpoints.ttl [3] looks looks very good!
>
>
> What I can contribute is a proof-of-concept of a completely
> self-contained SPARQL-based service monitoring setup [1] where Github
> does all the work of service checking, where everyone can clone the
> repo, adjust the queries and get whatever RDF out what they use
> case(s) demand. Right now I only added online/offline checking, but in
> principle one can also just query the endpoints for features and emit
> service descriptions or query for dataset metrics and emit void.
>
>
> Of course there are resource limitations, Github only allows 1000
> requests per hour, the workflow time is limited, and the virtual
> instances only have 2 CPUs.
>
>
> Cheers,
>
> Claus
>
>
> [1]
> https://github.com/SmartDataAnalytics/lodservatory/blob/master/latest-status.ttl
>
> [2] https://github.com/SmartDataAnalytics/SparqlIntegrate
>
> [3]
> https://github.com/OpenLinkSoftware/general-turtle-doc-collection/blob/master/LODCloud_SPARQL_Endpoints.ttl
>

Hi Claus,


Great effort!


Kingsley

>
> On 24.12.19 16:12, Kingsley Idehen wrote:
>> On 12/23/19 11:55 AM, Kingsley Idehen wrote:
>>> On 12/23/19 5:01 AM, Michel Dumontier wrote:
>>>> Hi Kingsley,
>>>>  Is it correct that we should continue to make changes to the
>>>> spreadsheet, or should we do do a pull request against the turtle
>>>> file?
>>>
>>>
>>> Whichever works best for you :)
>>>
>>>
>>>> If the former, how often will you update the turtle document and
>>>> the endpoint?
>>>
>>>
>>> We will update it frequently in response to edit contributions to
>>> either data source.
>>>
>>> Kingsley
>>>
>>>>  
>>>> m.
>>>>
>>>> On Fri, Dec 20, 2019 at 10:36 PM Kingsley Idehen
>>>> <kidehen@openlinksw.com <mailto:kidehen@openlinksw.com>> wrote:
>>>>
>>>>     On 12/18/19 2:31 PM, Kingsley Idehen wrote:
>>>>>     On 9/17/19 6:10 PM, Kingsley Idehen wrote:
>>>>>>
>>>>>>     Hi Everyone,
>>>>>>
>>>>>>     As part of the LODCloud effort (starting in 2007), a number
>>>>>>     of SPARQL Endpoints emerged around the initial SPARQL
>>>>>>     endpoint provided by DBpedia. Today, that cloud has grown
>>>>>>     into the largest Knowledge Graph on earth (by far!) and
>>>>>>     continues to drive new frontiers related to Artificial
>>>>>>     Intelligence and Machine Learning.
>>>>>>
>>>>>>     Having established itself as the preeminent global Knowledge
>>>>>>     Graph on earth, it is extremely important that we maintain an
>>>>>>     active list of SPARQL endpoints using practices that scale.
>>>>>>     Thus, we are providing a shared Google Spreadsheet for
>>>>>>     crowd-sourcing the maintenance of SPARQL endpoints that make
>>>>>>     up this important Knowledge Graph.
>>>>>>
>>>>>>     Please contribute your SPARQL endpoint(s) to the spreadsheet.
>>>>>>
>>>>>>     *Links*
>>>>>>
>>>>>>       * SPARQL Endpoint Google Spreadsheet 1
>>>>>>         <https://community.openlinksw.com/t/open-invitation-for-contributions-to-an-up-to-date-list-of-query-service-endpoints-that-underlie-the-massive-lodcloud-knowledgegraph/1202>
>>>>>>       * What is the LODCloud, and why is it important?
>>>>>>         <https://medium.com/virtuoso-blog/what-is-the-linked-open-data-cloud-and-why-is-it-important-1901a7cb7b1f>
>>>>>>
>>>>>
>>>>>     Season's Greetings to all,
>>>>>
>>>>>     This is a final call regarding contributions to the SPARQL
>>>>>     Query Service Endpoint Description effort that we are seeding
>>>>>     via a shared Google Spreadsheet [1].
>>>>>
>>>>>     The goal is to produce an RDF-Turtle document that describes
>>>>>     these endpoints using terms from the SPARQL Service
>>>>>     Description [2] and VoID [3] Ontologies. Naturally, the
>>>>>     document will also be published using Linked Data principles.
>>>>>
>>>>>
>>>>>     [1]
>>>>>     https://docs.google.com/spreadsheets/d/15AXnxMgKyCvLPil_QeGC0DiXOP-Hu8Ln97fZ683ZQF0/edit#gid=0
>>>>>
>>>>>     [2] https://www.w3.org/ns/sparql-service-description
>>>>>
>>>>>     [3] http://rdfs.org/ns/void#
>>>>>
>>>>
>>>>     We've published an RDF-Turtle document that describes a
>>>>     collection of SPARQL Query Services Endpoints to our Github
>>>>     repository [1]. Naturally, content of said document has been
>>>>     deployed using Linked Data principles [2] and sponged by our
>>>>     URIBurner Service [3].
>>>>
>>>>     Enjoy!
>>>>
>>>>     Links:
>>>>
>>>>     [1]
>>>>     https://github.com/OpenLinkSoftware/general-turtle-doc-collection/blob/master/LODCloud_SPARQL_Endpoints.ttl
>>>>     -- Github
>>>>
>>>>     [2] http://data.openlinksw.com/oplweb/sparql-endpoint134#this
>>>>     -- Example URI
>>>>
>>>>     [3]
>>>>     http://linkeddata.uriburner.com/describe/?url=http%3A%2F%2Fwww.openlinksw.com%2Fdata%2Fturtle%2Foplweb%2FLODCloud_SPARQL_Endpoints.ttl&distinct=1
>>>>     -- About the SPARQL Query Service Endpoints
>>>>
>>>>     -- 
>>>>     Regards,
>>>>
>>>>     Kingsley Idehen	      
>>>>     Founder & CEO 
>>>>     OpenLink Software   
>>>>     Home Page: http://www.openlinksw.com
>>>>     Community Support: https://community.openlinksw.com
>>>>     Weblogs (Blogs):
>>>>     Company Blog: https://medium.com/openlink-software-blog
>>>>     Virtuoso Blog: https://medium.com/virtuoso-blog
>>>>     Data Access Drivers Blog: https://medium.com/openlink-odbc-jdbc-ado-net-data-access-drivers
>>>>
>>>>     Personal Weblogs (Blogs):
>>>>     Medium Blog: https://medium.com/@kidehen
>>>>     Legacy Blogs: http://www.openlinksw.com/blog/~kidehen/
>>>>                   http://kidehen.blogspot.com
>>>>
>>>>     Profile Pages:
>>>>     Pinterest: https://www.pinterest.com/kidehen/
>>>>     Quora: https://www.quora.com/profile/Kingsley-Uyi-Idehen
>>>>     Twitter: https://twitter.com/kidehen
>>>>     Google+: https://plus.google.com/+KingsleyIdehen/about
>>>>     LinkedIn: http://www.linkedin.com/in/kidehen
>>>>
>>>>     Web Identities (WebID):
>>>>     Personal: http://kingsley.idehen.net/public_home/kidehen/profile.ttl#i
>>>>             : http://id.myopenlink.net/DAV/home/KingsleyUyiIdehen/Public/kingsley.ttl#this
>>>>
>>>>
>>>>
>>>> -- 
>>>> Michel Dumontier
>>>> Distinguished Professor of Data Science
>>>> Maastricht University
>>>> http://dumontierlab.com
>>>
>>>
>>
>> Hi Everyone,
>>
>> The URI of the Github repo associated with the SPARQL Query Service
>> endpoint descriptions has been changed [1]. Thus, use the new
>> repository for branch forks and pull requests.
>>
>> [1] https://github.com/OpenLinkSoftware/lod-cloud
>>
>> Happy Holidays!
>>
>> -- 
>> Regards,
>>
>> Kingsley Idehen	      
>> Founder & CEO 
>> OpenLink Software   
>> Home Page: http://www.openlinksw.com
>> Community Support: https://community.openlinksw.com
>> Weblogs (Blogs):
>> Company Blog: https://medium.com/openlink-software-blog
>> Virtuoso Blog: https://medium.com/virtuoso-blog
>> Data Access Drivers Blog: https://medium.com/openlink-odbc-jdbc-ado-net-data-access-drivers
>>
>> Personal Weblogs (Blogs):
>> Medium Blog: https://medium.com/@kidehen
>> Legacy Blogs: http://www.openlinksw.com/blog/~kidehen/
>>               http://kidehen.blogspot.com
>>
>> Profile Pages:
>> Pinterest: https://www.pinterest.com/kidehen/
>> Quora: https://www.quora.com/profile/Kingsley-Uyi-Idehen
>> Twitter: https://twitter.com/kidehen
>> Google+: https://plus.google.com/+KingsleyIdehen/about
>> LinkedIn: http://www.linkedin.com/in/kidehen
>>
>> Web Identities (WebID):
>> Personal: http://kingsley.idehen.net/public_home/kidehen/profile.ttl#i
>>         : http://id.myopenlink.net/DAV/home/KingsleyUyiIdehen/Public/kingsley.ttl#this
>>
> -- 
> Dipl. Inf. Claus Stadler
> Department of Computer Science, University of Leipzig
> Research Group: http://aksw.org/
> Workpage & WebID: http://aksw.org/ClausStadler
> Phone: +49 341 97-32260


-- 
Regards,

Kingsley Idehen	      
Founder & CEO 
OpenLink Software   
Home Page: http://www.openlinksw.com
Community Support: https://community.openlinksw.com
Weblogs (Blogs):
Company Blog: https://medium.com/openlink-software-blog
Virtuoso Blog: https://medium.com/virtuoso-blog
Data Access Drivers Blog: https://medium.com/openlink-odbc-jdbc-ado-net-data-access-drivers

Personal Weblogs (Blogs):
Medium Blog: https://medium.com/@kidehen
Legacy Blogs: http://www.openlinksw.com/blog/~kidehen/
              http://kidehen.blogspot.com

Profile Pages:
Pinterest: https://www.pinterest.com/kidehen/
Quora: https://www.quora.com/profile/Kingsley-Uyi-Idehen
Twitter: https://twitter.com/kidehen
Google+: https://plus.google.com/+KingsleyIdehen/about
LinkedIn: http://www.linkedin.com/in/kidehen

Web Identities (WebID):
Personal: http://kingsley.idehen.net/public_home/kidehen/profile.ttl#i
        : http://id.myopenlink.net/DAV/home/KingsleyUyiIdehen/Public/kingsley.ttl#this
Received on Tuesday, 17 March 2020 15:02:46 UTC

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