Hello Sebastian,
thanks for the pointers, this is indeed a very interesting project that tie
in neatly with what we want to achieve in Wikidata. I didn't read your
paper in detail, but merely skimmed it, so I hope I have a reasonable
understanding of your proposal.
We have not yet written down the use cases, and we are aware that this
still needs to happen. I do think that your approach - especially with the
context-hash-based URIs - is very promising.
We aim to start with a simple website-level scope for Web references, but
personally I would be very happy if we could move down to the more
fine-grained level that your tools support in the first year already, down
to the very sentence that supports a statement in Wikidata. If we get this
far, your approach seems like a very strong contender for representing this.
Just a few questions - as you note, it is easier if we all use the same
standards, and so I want to ask about the relation to other related
standards:
* I understand that you dismiss IETF RFC 5147 because it is not stable
enough, right?
* what is the relation to the W3C media fragment URIs? Did not find a
pointer there.
* any plans of standardizing your approach?
We would strongly prefer to just use a standard instead of advocating
contenders for one -- if one exists.
Cheers,
Denny
2012/5/18 Sebastian Hellmann <hellmann(a)informatik.uni-leipzig.de>
Hello again,
maybe the question, I asked was lost, as the text was TL;DR
I heard that, it is planned to track provenance of facts. e.g. Berlin has
3,337,000 citizens found here:
http://www.worldatlas.com/**citypops.htm<http://www.worldatlas.com/cityp…
Do you have a place where the use case and the requirements are documented
for this? Or is it out of scope?
Will it be course grained, i.e. website level ? Or fine grained, i.e. text
paragraph level? See e.g. how Berlin is highlighted here:
http://pcai042.informatik.uni-**leipzig.de/~swp12-9/**
vorprojekt/index.php?**annotation_request=http%3A%2F%**
2Fwww.worldatlas.com%**2Fcitypops.htm%23hash_4_30_**
7449e732716c8e68842289bf2e6667**d5_Berlin%2C%2520Germany%2520-**%25203%2C<http://pcai042.informatik.uni-leipzig.de/~swp12-9/vorprojekt/index.php?annotation_request=http%3A%2F%2Fwww.worldatlas.com%2Fcitypops.htm%23hash_4_30_7449e732716c8e68842289bf2e6667d5_Berlin%2C%2520Germany%2520-%25203%2C>
in this very early prototype.
Could you give me a link were I can read more about any Wikidata plans
towards this direction?
Sebastian
On 05/16/2012 09:10 AM, Sebastian Hellmann wrote:
Dear all,
(Note: I could not find the document, where your requirements regarding
the tracking of facts on the web are written, so I am giving a general
introduction to NIF. Please send me a link to the document that specifies
your need for tracing facts on the web, thanks)
I would like to point your attention to the URIs used in the NLP
Interchange Format (NIF).
NIF-URIs are quite easy to use, understand and implement. NIF has a
one-triple-per-annotation paradigm. The latest documentation can be found
here:
http://svn.aksw.org/papers/**2012/WWW_NIF/public/string_**ontology.pdf<h…
The basic idea is to use URIs with hash fragment ids to annotate or mark
pages on the web:
An example is the first occurrence of "Semantic Web" on
http://www.w3.org/**DesignIssues/LinkedData.html<http://www.w3.org/Desig…
as highlighted here:
http://pcai042.informatik.uni-**leipzig.de/~swp12-9/**
vorprojekt/index.php?**annotation_request=http%3A%2F%**
2Fwww.w3.org%2FDesignIssues%**2FLinkedData.html%23hash_10_**12_**
60f02d3b96c55e137e13494cf9a02d**06_Semantic%2520Web<http://pcai042.informatik.uni-leipzig.de/~swp12-9/vorprojekt/index.php?annotation_request=http%3A%2F%2Fwww.w3.org%2FDesignIssues%2FLinkedData.html%23hash_10_12_60f02d3b96c55e137e13494cf9a02d06_Semantic%2520Web>
Here is a NIF example for linking a part of the document to the DBpedia
entry of the Semantic Web:
<http://www.w3.org/**DesignIssues/LinkedData.html#**offset_717_729<http://www.w3.org/DesignIssues/LinkedData.html#offset_717_729>
a str:StringInContext ;
sso:oen
<http://dbpedia.org/resource/**Semantic_Web<http://dbpedia.org/resource/Semantic_Web>>
.
We are currently preparing a new draft for the spec 2.0. The old one can
be found here:
http://nlp2rdf.org/nif-1-0/
There are several EU projects that intend to use NIF. Furthermore, it is
easier for everybody, if we standardize a Web annotation format together.
Please give feedback of your use cases.
All the best,
Sebastian
--
Dipl. Inf. Sebastian Hellmann
Department of Computer Science, University of Leipzig
Projects:
http://nlp2rdf.org ,
http://dbpedia.org
Homepage:
http://bis.informatik.uni-**leipzig.de/SebastianHellmann<http://bis.info…
Research Group:
http://aksw.org
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