Version 3 by Vladimir Alexiev
on Oct 14, 2011 14:45.
<< Changes from 2 to 3
compared with
Current by Vladimir Alexiev
on Aug 07, 2012 15:33.
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{excerpt}to ensure stability and compliance with linked data principles{excerpt}
This page should describe in detail how ResearchSpace allocates and uses URLs and URIs, *through examples*, with justification
Ontologist (Mariana) and sysadmin (Dobri) to collaborate on this design
{excerpt}How to ensure stability and compliance with linked data principles?{excerpt}

{toc}

h1. Introduction
What URIs to use for semantic objects, and URLs for digital assets, and RS tools (eg data annotation, search, image annotation), in order to ensure:
- stability: if something is rehosted, we don't want its URIs/URLs to change
- compliance with linked data principles (TODO give ref) (see [#Techniques and Links])
- compliance with REST principles

We still don't have a strategy how to keep RS URLs stable, yet resolvable across different:
- environments (dev, test, prod),
- states (original data vs newly proposed vs published)
- branding requirements (www.researchspace.org or researchspace.ontotext.com (not) or www.rembrandtdatabase.org, etc)

This page should describe in detail how ResearchSpace allocates and uses URLs and URIs, *through examples*, with justification
Ontologist and sysadmin to collaborate on this design

h2. Sample URIs and Prefixes
||prefix||URI||where used||
...
|crm:|http://purl.org/NET/cidoc-crm/core#|[OWL2 definition|http://bloody-byte.net/rdf/cidoc-crm/core_5.0.1.rdf]|


h1. Sample questions/issues
h2. URL Questions
...
Do we tack a suffix to the existing foreign URIs, or create brand new in a rs: namespace?
Maybe a mix is appropriate (suffix for small changes, new for "bigger" annotations etc)
- are rs: RS URIs per project (each project has its own prefix), or share the same prefix?
- when a project is published, do the URIs change? (For that matter, when the status of some object or field changes, does its URI change?)
If not, doesn't that conflict with LD principles, since the *URL* changes from /research to /published?
...