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Folks, There is a W3C standard (SHACL)[1] in development that would address the issue of validation of RDF graphs. The standard itself is, as standards tend to be, long and not an easy read. Eric Prud'hommeaux and I (both committee members) have created a first draft of a brief reference document, in the form of an Abstract Syntax of the core vocabulary of the SHACL standard. We welcome any comments or corrections to this document, and any suggestions for making it better. The draft is at: https://www.w3.org/TR/2016/WD-shacl-abstract-syntax-20160825/ Comments should be sent to the mail list at: [log in to unmask] However, I will also entertain any discussion that takes place here, which feels less formal than posting to a W3C list. Our goal is to make SHACL Core as clear as possible for first time users. If this becomes a W3C standard, it will probably eventually become available in various RDF-related tools. Thanks, kc [1] https://www.w3.org/TR/shacl/ -------- Forwarded Message -------- Subject: FIRST PUBLIC WORKING DRAFT: SHACL CORE ABSTRACT SYNTAX AND SEMANTICS Resent-Date: Wed, 31 Aug 2016 16:46:10 +0000 Resent-From: [log in to unmask] Date: Wed, 31 Aug 2016 09:45:36 -0700 From: Karen Coyle <[log in to unmask]> Reply-To: [log in to unmask] To: [log in to unmask] <[log in to unmask]> **Please forward to interested lists** As announced on the W3C blog[1], the first public working draft of the SHACL Core Abstract Syntax[2] has been published by the RDF Data Shapes Web Working Group.[3] "This document defines an abstract syntax for the core SHACL (SHApes Constraint Language). It is derived from the SHACL specification and is a non-normative version of the content of that specification." We are soliciting comments (and questions) on this first draft. Please comment at [log in to unmask] --------- [1] https://www.w3.org/blog/news/archives/5749 [2] https://www.w3.org/TR/2016/WD-shacl-abstract-syntax-20160825/ [3] https:////www.w3.org/2014/data-shapes/ -- Karen Coyle [log in to unmask] http://kcoyle.net m: +1-510-435-8234 skype: kcoylenet/+1-510-984-3600