Re: Updated LOD Cloud Diagram - Please enter your linked datasets into the datahub.io catalog for inclusion.

2014-07-24 Thread Andreas Harth
Hi, On 07/25/2014 12:39 AM, Mike Liebhold wrote: I recall earlier versions of the LOD Cloud diagram included freebase - I don't see it here, - or the google knowledge graph either. am I missing something? it might be because of bugs in their Linked Data API. I've sent a mail on

Re: YASGUI: Web-based SPARQL client with bells ‘n wistles

2013-07-06 Thread Andreas Harth
Hi, vocab.cc has a comprehensive list of vocabularies, with a keyword API which could be used for autocomplete in YASGUI. Cheers, Andreas. On 06/07/13 12:27, Barry Norton wrote: Bernard, does LOV keep a cache of properties and classes? I'd really like to see resource auto-completion in

Re: YASGUI: Web-based SPARQL client with bells ‘n wistles

2013-07-06 Thread Andreas Harth
Hi, On 06/07/13 15:39, Barry Norton wrote: Ah wait, is this just classes and properties across the whole BTC set though? Can I use this to say I'm typing ':example a foaf:Per...' and get Person as the top class within the foaf namespace? the data is there, but we probably need to add prefix

Re: Temporal analysis or RDF graph data

2012-10-31 Thread Andreas Harth
Hi, On 29/10/12 20:00, Vishal Sinha wrote: I want to model a RDF graph such that I can query by temporal factors later, for example: - how the graph changed between 20th October 2012 to 30th October 2012. I want to see all updates. - Snapshot of a particular node on 20th July 2012, 25th July

Billion Triple Challenge Dataset 2012 published

2012-07-02 Thread Andreas Harth
Hello, we are happy to announce that the Billion Triples Challenge 2012 Dataset [1] has been published yesterday. The Billion Triple Challenge 2012 dataset consists of over a billion triples. This year we used several seed sets: DBpedia, Datahub and Tim Berners-Lee's FOAF file. The Semantic

Re: Question: Authoritative URIs for Geo locations? Multi-lingual labels?

2011-09-09 Thread Andreas Harth
Scott, On 09/08/2011 04:38 PM, M. Scott Marshall wrote: It seems that dbpedia is a de facto source of URIs for geographical place names. I would expect to find a more specialized source. I think that I saw one mentioned here in the last few months. Are there alternatives that are possible more

Re: DBpedia: limit of triples

2011-08-09 Thread Andreas Harth
Hi, On 08/09/2011 02:24 PM, Hugh Williams wrote: The http://dbpedia.org/sparql endpoint has both rate limiting on the number of connections/sec you can make, as well as restrictions on resultset and query time, as per the following settings: [SPARQL] ResultSetMaxRows = 2000

Re: Think before you write Semantic Web crawlers

2011-06-22 Thread Andreas Harth
Hi Christopher, On 06/22/2011 10:14 AM, Christopher Gutteridge wrote: Right now queries to data.southampton.ac.uk (eg. http://data.southampton.ac.uk/products-and-services/CupCake.rdf ) are made live, but this is not efficient. My colleague, Dave Challis, has prepared a SPARQL endpoint which

Re: Think before you write Semantic Web crawlers

2011-06-22 Thread Andreas Harth
Hi Martin, first let me say that I do think crawlers should follow basic politeness rules (contact info in User-Agent, adhere to the Robot Exclusion Protocol). However, I am delighted that people actually start consuming Linked Data, and we should encourage that. On 06/22/2011 11:42 AM, Martin

Re: Think before you write Semantic Web crawlers

2011-06-22 Thread Andreas Harth
Hi Martin, On 06/22/2011 09:08 PM, Martin Hepp wrote: Please make a survey among typical Web site owners on how many of them have 1. access to this level of server configuration and 2. the skills necessary to implement these recommendations. d'accord . But the case we're discussing there's

Linked Data Spider Release

2010-10-28 Thread Andreas Harth
to configure and control the details of the crawling process. LDSpider is multi-threaded and can be used to collect small to medium-sized datasets up to tens of millions of triples. The project is a co-operation between Andreas Harth at AIFB and Juergen Umbrich at DERI. Aidan Hogan (DERI) and Robert Isele

Re: BobQL? Boxes of (related) boxes ...

2009-06-01 Thread Andreas Harth
Hi Dank, Dan Brickley wrote: OK, you goaded me into writing up what I was thinking about... sorry didn't mean to be irritating - I'm very interested in the topic myself, hence my reply. So to take David's example, Box 1: A journey exploring information about presidents, their kids and