- From: Matthias Quasthoff <matthias--web@quasthoffs.de>
- Date: Sun, 03 Oct 2010 20:51:54 +0200
- To: Giovanni Tummarello <giovanni.tummarello@deri.org>
- CC: public-lod <public-lod@w3.org>, Sindice developers list <sindice-dev@lists.deri.org>
Hi, thanks for pointing me to Sindice's cache API. My first implementation draft [1] so far just tracks changes happening after the first retrieval but gives nice results when used, e.g., with SQUIN. Comments and criticism welcome! Cheers, Matthias [1] <http://rdfdiff.appspot.com/rss> Am 03.10.2010 18:37, schrieb Giovanni Tummarello: > Hi Mattihas, > > sorry for the delay. it is indeed a possible API which we call > "longstanding query" or "notification api" . Not yet available , but > we have many requests for it so it wil come. > > my advice at the moment would be to do it yourself client side using > say a DB state and fetching the data from our cache > http://sindice.com/developers/cacheapi > there is a timestamp which reflect the last updated date. > you might want to send sindice specific messages to the > http://groups.google.com/group/sindice-dev > > Cheers Gio > > On Fri, Oct 1, 2010 at 7:21 PM, Matthias Quasthoff > <matthias--web@quasthoffs.de> wrote: >> Dear all, >> >> is there a way of obtain the changes to RDF graphs over time, e.g., from >> Sindice? I.e., that I not only see >> >>> _:p1 foaf:knows _:p2, _:p3 >> >> but rather >> >>> [ rdf:subject _:p1; rdf:predicate foaf:knows; rdf:object _:p2; dc:date >>> "sometime long ago" ] >>> [ rdf:subject _:p1; rdf:predicate foaf:knows; rdf:object _:p3; dc:date >>> "more recently" ] >> >> It'd be so useful to have such information (maybe using more appropriate >> vocabulary) to somehow build something social like the Facebook Wall or >> something based on FOAF. I'm currently collecting such data myself with the >> input of PSTW, but maybe it has already been done? >> >> Thanks + cheers >> Matthias >> >> >> >
Received on Sunday, 3 October 2010 18:53:04 UTC