W3C home > Mailing lists > Public > public-rdf-wg@w3.org > February 2012

intended semantics of fourth column values in DBpedia N-quads (ACTION-144)

From: Ted Thibodeau Jr <tthibodeau@openlinksw.com>
Date: Wed, 8 Feb 2012 14:23:58 -0500
Cc: RDF WG <public-rdf-wg@w3.org>
To: dbpedia-discussion <dbpedia-discussion@lists.sourceforge.net>
Message-Id: <2AC13DAF-AFF3-4CA1-91A9-33A8AE799E2F@openlinksw.com>
All --

A question has come up on the W3C RDF Working Group mailing list --


-- and in recent WG conference calls --


-- about the semantics of fourth column values in the N-quads 
DBpedia downloads, e.g. --


-- which are arguably one of the largest current uses of N-quads.

The downloads page says "the N-Quads version contains additional 
provenance information for each statement", but does not explain 
what that "additional provenance information" might be meant to
convey or represent.

A sample line from a randomly chosen dump file --

-- reads as follows (broken across successive lines for email) --


This appears to suggest that the { ?s ?p ?o } triplet was extracted 
from the resource at the URI in the ?c position -- but the fragment 
identifier breaks that suggestion, as the above triple simply 
doesn't come from line 1 of either the Wikipedia markup source --

   {{Infobox award

-- or the HTML representation --

   <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 

-- of the named resource --


Any insight would be helpful.



A: Yes.                      http://www.guckes.net/faq/attribution.html
| Q: Are you sure?
| | A: Because it reverses the logical flow of conversation.
| | | Q: Why is top posting frowned upon?

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Received on Wednesday, 8 February 2012 19:29:22 UTC

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