How many instances of foaf:Person are there in the LOD Cloud?

2011-04-13 Thread Bernard Vatant
Hello all Just trying to figure what is the size of personal information available as LOD vs billions of person profiles stored by Google, Amazon, Facebook, LinkedIn, unameit ... in proprietary formats. Any hint of the proportion of living people vs historical characters is also welcome. Any

Re: How many instances of foaf:Person are there in the LOD Cloud?

2011-04-13 Thread Michael Brunnbauer
re On Wed, Apr 13, 2011 at 10:15:46AM +0200, Bernard Vatant wrote: Just trying to figure what is the size of personal information available as LOD vs billions of person profiles stored by Google, Amazon, Facebook, LinkedIn, unameit ... in proprietary formats. At www.foaf-search.net, we have

Re: How many instances of foaf:Person are there in the LOD Cloud?

2011-04-13 Thread Michael Brunnbauer
re BTW: The note on http://wiki.foaf-project.org/w/DataSources that the Billion Triples Challenge 2009 contains 40 million FOAFs is a bit misleading. If you follow the link you can see that there are 39 mio X a foaf:Person assertions in the dataset which boils down to much less distinct

Re: How many instances of foaf:Person are there in the LOD Cloud?

2011-04-13 Thread Melvin Carvalho
On 13 April 2011 10:54, Michael Brunnbauer bru...@netestate.de wrote: re On Wed, Apr 13, 2011 at 10:15:46AM +0200, Bernard Vatant wrote: Just trying to figure what is the size of personal information available as LOD vs billions of person profiles stored by Google, Amazon, Facebook,

Fwd: IDCC11 - Call for Papers

2011-04-13 Thread Monica Duke
Begin forwarded message: From: Bridget Robinson b.r.robin...@ukoln.ac.uk Date: 13 April 2011 11:29:33 GMT+01:00 Subject: IDCC11 - Call for Papers 7th International Digital Curation Conference - CALL FOR PAPERS Title: Public? Private? Personal? navigating the open data landscape 5 - 7

RE: How many instances of foaf:Person are there in the LOD Cloud?

2011-04-13 Thread Hogan, Aidan
re BTW: The note on http://wiki.foaf-project.org/w/DataSources that the Billion Triples Challenge 2009 contains 40 million FOAFs is a bit misleading. If you follow the link you can see that there are 39 mio X a foaf:Person assertions in the dataset which boils down to much less distinct

Re: How many instances of foaf:Person are there in the LOD Cloud?

2011-04-13 Thread Michael Brunnbauer
re On Wed, Apr 13, 2011 at 12:11:23PM +0200, Melvin Carvalho wrote: there's a few bridges too such as ones last.fm, flikr and semantic tweet So including bridge I'd guess 250 million, 99% should be alive today, but that number will fall over time (obviously) Yes those bridges hardly count

I-Semantics 2011

2011-04-13 Thread Axel Ngonga
Dear all, just a short reminder that the deadline for the I-Semantics 2011 conference (April 30th) is in two weeks. The CfP can be found at: http://i-semantics.tugraz.at/scientific-track/call-for-papers. Looking forward to your submissions, Axel -- Axel Ngonga, Dr. rer. nat Johannisgasse

Re: How many instances of foaf:Person are there in the LOD Cloud?

2011-04-13 Thread Mischa Tuffield
Hi All, I was looking at the number of foaf files on the web over a year ago now, output looks like so : http://mmt.me.uk/slides/lod24022010/#(16) Mischa On 13 Apr 2011, at 12:11, Melvin Carvalho wrote: On 13 April 2011 10:54, Michael Brunnbauer bru...@netestate.de wrote: re On Wed,

Re: How many instances of foaf:Person are there in the LOD Cloud?

2011-04-13 Thread Tim Berners-Lee
Nice picture .. don't suppose you have any data at previous times so we can see the growth? Tim On 2011-04 -13, at 07:37, Mischa Tuffield wrote: Hi All, I was looking at the number of foaf files on the web over a year ago now, output looks like so :

Re: How many instances of foaf:Person are there in the LOD Cloud?

2011-04-13 Thread Kingsley Idehen
On 4/13/11 4:15 AM, Bernard Vatant wrote: Hello all Just trying to figure what is the size of personal information available as LOD vs billions of person profiles stored by Google, Amazon, Facebook, LinkedIn, unameit ... in proprietary formats. Any hint of the proportion of living people vs

Re: How many instances of foaf:Person are there in the LOD Cloud?

2011-04-13 Thread Michael Brunnbauer
re Here is the current top 25 for foaf-search.net (Number of RDF documents per second level domain). dbpedia is not included because we used the dumps and livejournal.com was not crawled completely. Not all RDF documents are about persons. We index every document containing a foaf:name or

Re: How many instances of foaf:Person are there in the LOD Cloud?

2011-04-13 Thread Michael Brunnbauer
re On Wed, Apr 13, 2011 at 11:47:33PM +0930, Daniel O'Connor wrote: Was mybloglog's foaf ever indexed? According to wikipedia: Currently, MyBlogLog averages approximately 22 million visits to pages with MyBlogLog widgets each day, and the site has over 275,000 registered members. Yes it was

Re: 15 Ways to Think About Data Quality (Just for a Start)

2011-04-13 Thread glenn mcdonald
Using Safari, when I click on the link above I hit an authentication challenge [1]. Oh, I see. Clicking on the export links in the browser works without authentication, but issuing the queries directly doesn't yet. No good reason for that, so I'll get it changed. 1. Do you have a Data Object

Re: How many instances of foaf:Person are there in the LOD Cloud?

2011-04-13 Thread Giovanni Tummarello
sindice.com main index has 37,312,159 documents occurrences of foaf:person. http://sindice.com/search?q=foaf%3Aperson (a lot of these come from microformats via the any23 library but anyway) which means there are many more actual persons inside. Gio On Wed, Apr 13, 2011 at 10:15 AM, Bernard

Re: How many instances of foaf:Person are there in the LOD Cloud?

2011-04-13 Thread Michael Brunnbauer
re I am missing the foaf:Persons in Kingsleys LOD Cloud Cache Analysis: https://spreadsheets0.google.com/ccc?hl=enkey=tub0WHafqXO9zsdDrpeuxqwhl=en#gid=0 They should be in the Total Objects in an isA Relation Count (Top 50). Are they missing because the system does not count blank nodes here

Re: 15 Ways to Think About Data Quality (Just for a Start)

2011-04-13 Thread Kingsley Idehen
On 4/13/11 10:35 AM, glenn mcdonald wrote: Using Safari, when I click on the link above I hit an authentication challenge [1]. Oh, I see. Clicking on the export links in the browser works without authentication, but issuing the queries directly doesn't yet. No good reason for that,

Re: 15 Ways to Think About Data Quality (Just for a Start)

2011-04-13 Thread glenn mcdonald
I don't think your detailed questions about Needle have any relevance to this conversation about data quality, and I'm not sure they're of much relevance to this mailing list at all, so I'm not going to follow up on them any further in this context unless somebody else expresses interest. As Hugh

Re: How many instances of foaf:Person are there in the LOD Cloud?

2011-04-13 Thread Giovanni Tummarello
to add to this, internal sources report for xmlns.com/foaf/0.1/Person totalReferences (number of triple involving a foaf person) 964563435 ( almost a billion, obviously not unique individuals) graphReferences (number of pages /resolvable URLs/graphs)34915501 domainReferences (number of distinct

Re: 15 Ways to Think About Data Quality (Just for a Start)

2011-04-13 Thread Kingsley Idehen
On 4/13/11 11:41 AM, glenn mcdonald wrote: I don't think your detailed questions about Needle have any relevance to this conversation about data quality, and I'm not sure they're of much relevance to this mailing list at all, so I'm not going to follow up on them any further in this context

Subjectivity and Fluidity of Data Quality

2011-04-13 Thread Kingsley Idehen
On 4/13/11 11:42 AM, Marco Neumann wrote: I am currently looking Chapter vs Years and I think you do some very nice data presentation here. https://pub.needlebase.com/actions/visualizer/V2Visualizer.do?domain=Loticoquery=Chapter+vs+Years Though you also tend to overwrite the graph pattern with

Re: Subjectivity and Fluidity of Data Quality

2011-04-13 Thread glenn mcdonald
I've updated this data to model the individual chapter-joining events. On Wed, Apr 13, 2011 at 12:16 PM, Kingsley Idehen kide...@openlinksw.comwrote: On 4/13/11 11:42 AM, Marco Neumann wrote: I am currently looking Chapter vs Years and I think you do some very nice data presentation here.

Re: Subjectivity and Fluidity of Data Quality

2011-04-13 Thread Kingsley Idehen
On 4/13/11 1:33 PM, glenn mcdonald wrote: I've updated this data to model the individual chapter-joining events. Cool! Conversations about Data do work :-) Now imagine if I could take the URI for 'Lotico Semantic Web New York' from your Data Space as mechanism for meshing with related data

Re: How many instances of foaf:Person are there in the LOD Cloud?

2011-04-13 Thread Kingsley Idehen
On 4/13/11 6:54 AM, Michael Brunnbauer wrote: I could not find working bridges for last.fm and flikr but semantictweet.com is really working again - interesting:-) We've always had Sponger Cartridges (bridges) for last.fm and flickr. In addition there are cartridges for Crunchbase, Amazon, and

Re: How many instances of foaf:Person are there in the LOD Cloud?

2011-04-13 Thread Kingsley Idehen
On 4/13/11 8:32 AM, Mischa Tuffield wrote: I have data somewhere (need to recall on which machine), will dig it up and circulate soon, I imagine it will take me over a week or so, so please bare with me on this. Great! Linked Open People Profiles (LOP or LOPP) Cloud is there for the taking.

Re: How many instances of foaf:Person are there in the LOD Cloud?

2011-04-13 Thread Kingsley Idehen
On 4/13/11 9:59 AM, Michael Brunnbauer wrote: re Here is the current top 25 for foaf-search.net (Number of RDF documents per second level domain). dbpedia is not included because we used the dumps and livejournal.com was not crawled completely. Not all RDF documents are about persons. We index

Re: How many instances of foaf:Person are there in the LOD Cloud?

2011-04-13 Thread Kingsley Idehen
On 4/13/11 11:08 AM, Michael Brunnbauer wrote: re I am missing the foaf:Persons in Kingsleys LOD Cloud Cache Analysis: https://spreadsheets0.google.com/ccc?hl=enkey=tub0WHafqXO9zsdDrpeuxqwhl=en#gid=0 They should be in the Total Objects in an isA Relation Count (Top 50). Are they missing

RE: How many instances of foaf:Person are there in the LOD Cloud?

2011-04-13 Thread Hogan, Aidan
So tonight I would turn my question otherwise : Among those millions of FOAF profiles, how do I discover those of which primary source is their primary topic, expressing herself natively in FOAF, vs the ocean of second-hand remashed / remixed information, captured with or without clear

Re: How many instances of foaf:Person are there in the LOD Cloud?

2011-04-13 Thread Kingsley Idehen
On 4/13/11 5:49 PM, Bernard Vatant wrote: So tonight I would turn my question otherwise : Among those millions of FOAF profiles, how do I discover those of which primary source is their primary topic, expressing herself natively in FOAF, vs the ocean of second-hand remashed / remixed

Re: How many instances of foaf:Person are there in the LOD Cloud?

2011-04-13 Thread Melvin Carvalho
On 13 April 2011 23:49, Bernard Vatant bernard.vat...@mondeca.com wrote: Thanks everybody ! Could not imagine that this simple question would trigger such an activity. Actually my naive quest was to figure how many people had actively published, and possibly still maintain a FOAF profile for