On 9/22/14 4:06 AM, Frans Knibbe | Geodan wrote:
Hello,I think I could use some help with enabling WebID as an authentication and security mechanism for VOS...I have found several online documents about the subject, like http://virtuoso.openlinksw.com/dataspace/doc/dav/wiki/Main/VirtSPARQLSecurityWebID. One thing I notice right away is that I am missing a tab /Linked Data -> Access Controls/ in the Conductor, when logged in as dba. Do I need to install any extra VAD packages to work with WebID?The second step in the process seems to be to create a X.509 certificate. So I noticed the existence of a Certificate Generator hosted by Openlink: http://id.myopenlink.net/certgen/. As in all good research situations, I started experimenting on myself, so I I have a URI that resolves to some data about me: http://lod.geodan.nl/org/frans_knibbe. I /think/ that should be a good WebID URI (by the way, the profile data are stored in Virtuoso). But when I enter this URI as a FOAF profile document URL it gets rejected with an error "Could not retrieve data from URL". Should try to get a certificate some other way? Or could there be something wrong with my WebID URI?Regards, Frans
Frans,See: http://linkeddata.uriburner.com:8000/vapour?uri=http%3A%2F%2Flod.geodan.nl%2Forg%2Ffrans_knibbe&validateRDF=1&defaultResponse=dontmind&userAgent=http%3A%2F%2Flinkeddata.uriburner.com%3A8000%2Fvapour%23this
<http://lod.geodan.nl/org/frans_knibbe> identifies a document. In that document there are no relations that associates the URI that identifies you with the URI that identifies the profile document, as shown by the vapor report page identified by the URI above.
You should add one of the following relations to the document to rectify this problem: foaf:primaryTopic, wdrs:isdescribedby, dcterms:subject .
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