Archive for the ‘SDShare’ Category

SDshare Community Group

Thursday, November 22nd, 2012

SDshare Community Group

From the webpage:

SDshare is a highly RESTful protocol for synchronization of RDF (and potentially other) data, by publishing feeds of data changes as Atom feeds.

A W3C community group on SDShare.

The current SDShare draft.

Its known issues.

Co-chaired by Lars Marius Garshol and Graham Moore.

Webnodes Semantic Integration Server (SDShare Protocol)

Thursday, November 22nd, 2012

Webnodes AS announces Webnodes Semantic Integration Server by Mike Johnston.

From the post:

Webnodes AS, a company developing a .NET based semantic content management system, today announced the release of a new product called Webnodes Semantic Integration Server.

Webnodes Semantic Integration Server is a standalone product that has two main components: A SPARQL endpoint for traditional semantic use-cases and the full-blown integration server based on the SDShare protocol. SDShare is a new protocol for allowing different software to share and consume data with each other, with minimal amount of setup.

The integration server ships with connectors out of the box for OData- and SPARQL endpoints and any ODBC compatible RDBMS. This means you can integrate many of the software systems on the market with very little work. If you want to support software not compatible with any of the available connectors, you can create custom connectors. In addition to full-blown connectors, the integration server can also push the raw data to another SPARQL endpoint (the internal data format is RDF) or a HTTP endpoint (for example Apache SOLR).

I wonder about the line:

This means you can integrate many of the software systems on the market with very little work.

I think wiring disparate systems together is a better description. To “integrate” systems implies some useful result.

Wiring systems together is a long way from the hard task of semantic mapping, which produces integration of systems.

I first saw this in a tweet by Paul Hermans.


Saturday, December 17th, 2011

SDShare (PDF file)

According to the blog entry dated 16 December 2011, with a pointer to this presentation, this is a “recent” presentation. But the presentation has a copyright claim dated 2010. So it is either nearly a year old or it is one of those timeless artifacts on the web.

The ones that have no reliable indication of a date of composition or publishing. Appropriate for the ephemera that make up the eternal “now” of the WWW. Less appropriate for important technology documents, particularly ones that aspire to be ISO standards in the near future.

The slide deck is a good overview of the goals of SDShare, if a bit short in terms of the actual details. I would suggest using the slide deck to interest others in learning more and then passing onto them the original SDShare document.

I would quibble with the claim at slide 34 that RDF data makes “…merging simple.” So far as I know, RDF never specifies what happens when you have multiple distinct and perhaps inconsistent values for the same property. Perhaps I have overlooked that in the plethora of RDF standards, revisions and retreats.