ANN: WebDataCommons releases 17.2 billion quads RDFa, Microdata and Microformat data originating from 1.7 million pay-level-domains

2014-04-02 Thread Christian Bizer
Hi all, we are happy to announce a new release of the WebDataCommons RDFa, Microdata, and Microformat data sets. The data sets have been extracted from the November 2013 version of the Common Crawl covering 2.24 billion HTML pages which originate from 12.8 million websites (pay-level-domains).

4th Open Challenge on Multilingual Question Answering over Linked Data (QALD-4) is on!

2014-04-02 Thread Vanessa Lopez
Dear all, The test phase for the 4th Open Challenge on Question Answering over Linked Data (QALD-4) is now on! In the context of the question answering lab at CLEF 2014 (http://nlp.uned.es/clef-qa/), it comprises three open challenges: * Multilingual question answering over DBpedia *

rdf:HTML datatype in RDF 1.1

2014-04-02 Thread john.walker
Simple question on this which wasn't immediately obvious from the recommendation [1]. Is it expected that the string has a single top-level element: pHello world!/p Or is it OK to include fragments like: Hello world! bHello/b world! Hello iworld/i! bHello/b iworld/i! Regards, John [1]

Re: rdf:HTML datatype in RDF 1.1

2014-04-02 Thread Leigh Dodds
The value space is defined as being a DocumentFragment. I'm not clear on whether DOM4 has changed the meaning of that, but a fragment is a collection of nodes, which don't necessarily have a common root element. So I think either is valid. L. On Wed, Apr 2, 2014 at 11:54 AM, john.walker

Call for Contributions - 1st i-KNOW ALOA Challenge on Getting Answers through Linked Open Data

2014-04-02 Thread Michael Granitzer
Call for Contributions: 1st i-KNOW ALOA Challenge on Getting Answers through Linked Open Data == 14th International Conference on Knowledge Technologies and Data-driven Business 16-19 September 2014, Graz, Austria

Re: Inference for error checking [was Re: How to avoid that collections break relationships]

2014-04-02 Thread Peter F. Patel-Schneider
On 03/31/2014 01:39 PM, David Booth wrote: On 03/31/2014 11:59 AM, Peter F. Patel-Schneider wrote: [...] Given this error checking objective, if a system is given the facts: x ppp y . y a ccc . then without also knowing that ppp schema:domainIncludes ccc, the system may not be able to

Re: Inference for error checking [was Re: How to avoid that collections break relationships]

2014-04-02 Thread Pat Hayes
On Mar 31, 2014, at 10:31 AM, David Booth da...@dbooth.org wrote: On 03/30/2014 03:13 AM, Pat Hayes wrote: [ , . . ] What follows from knowing that ppp schema:domainIncludes ccc . ? Suppose you know this and you also know that x ppp y . Can you infer x rdf:type ccc? I presume