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Re: Several questions about Linked Data

From: Richard Light <richard@light.demon.co.uk>
Date: Wed, 23 Mar 2011 09:32:48 +0000
Message-ID: <YGh00tbA5biNFwMc@light.demon.co.uk>
To: wenlei zhou <wenlei.zhouwl@gmail.com>
Cc: public-lod@w3.org
In message 
<AANLkTi=vY_7qWK2+ZS97erTOUzim42KsYTZH3EcRrWH7@mail.gmail.com>, wenlei 
zhou <wenlei.zhouwl@gmail.com> writes
>Hi, every one
>I'm a novice to Linked Data. In the learning of linked data, I got several
>1. When public a new data set, how does it connect to other data sets in
>the Linked Data Cloud. Just use the record linkage techniques to connect
>two identifiers which are actually telling the same entity? Or, is this
>method only applied to publishing large new data set, not small one?
>2. Where is the rdf data stored, which connects two data sets?  Is it just
>stored in a third party?


The way I see it, the name "Linked Data" isn't totally helpful. It 
should be "Linkable Data" or "Potentially Linked Data". There is no 
actual "connection to other data sets" going on, except by the 
well-established web techniques of spidering Linked Data resources, and 
aggregating what is found into a single point of search.

What "connects two data sets" is simply the fact that they [may] use the 
same URL to represent the same concept, and that they express statements 
in a simple graph language which makes it easy to merge sets of 
statements from different sources, and to query across them without the 
need for physical merging.

Others may offer differing views on this issue ...

Best wishes,


Richard Light
Received on Wednesday, 23 March 2011 09:34:37 UTC

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