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Re: SPARQL servers used in the LOD Cloud

From: Richard Cyganiak <richard@cyganiak.de>
Date: Tue, 5 Oct 2010 09:53:29 +0100
Cc: public-lod@w3.org
Message-Id: <D49AC464-AC35-475A-8346-8C1B0725A9B7@cyganiak.de>
To: Kingsley Idehen <kidehen@openlinksw.com>
On 1 Oct 2010, at 15:02, Kingsley Idehen wrote:
>> From what I've seen, at any given time 10-20% of the LOD Cloud  
>> SPARQL endpoints seem to be down ...
>
> Yes, we are planning a cloud driven by a database that stores no/off  
> status data culled from probes. Thus, when released you will have  
> data and a visual (Green, Amber, Red) that helps Linked Data agents  
> discover which SPARQL endpoints are live at a given time.

Great idea, looking forward to it. We need more information about the  
quality and usefulness of datasets. Quality and usefulness are hard to  
measure automatically, but measuring uptime/availability is a great  
start -- if the endpoint is offline, then it's certainly not useful.

Best,
Richard
Received on Tuesday, 5 October 2010 08:54:03 UTC

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