- From: Tim Berners-Lee <timbl@w3.org>
- Date: Wed, 20 Aug 2008 08:46:03 -0400
- To: David Huynh <dfhuynh@alum.mit.edu>
- Cc: public-lod@w3.org, semantic-web@w3c.org
On 2008-08 -19, at 21:27, David Huynh wrote: >> > The trouble is of course when the whole web is the database, it's > hard to suggest those relationships (connections) for a set of > entities. > How might one solve that problem? I suppose something like Swoogle > can help. Is that what Tabulator uses to know what data is on the SW? Swoogle? Centralized index? No, not at all. The Tabulator is a browser for linked data. The convention for linked data is that if I do a GET on the URI identifying something, the returned information will include the incoming and outgoing links that a reasonable person might be interested in following. Linked data clients dereference any URIs they have not come across before, and pick up either data directly or clues as to where to find what more data. So at each point, you know what the options are leading on. When you pick up a set of related things, of course, there will be some presidents who have children and some who don't. And there will be some presidents which a have bunch of obscure properties. Especially once you have overlaid data from many sources. So then there may be a case for having lenses linked from ontologies to allow one for example to focus on geneology or political career. It gets more complicated when you try to automatically build an interface for allowing people to input data about a president, chose which fields to offer. I'd like to see the Freebase data as linked data on the web ... then we could try all our other UIs on the same data! What would it take to put in some shim interface to Freebase? Tim PS: There are places where a centralized index will help though, like finding people's FOAF page from their email address.
Received on Wednesday, 20 August 2008 12:46:40 UTC