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Reference Data Services

PCA provides services for Reference Data according to the ISO 15926 standard "Industrial automation systems and integration—Integration of life-cycle data for process plants including oil and gas production facilities". Access to the PCA Reference Data Library (RDL) is provided under the terms of the PCA Articles of Association, namely "Reference Data Libraries shall be open, i.e. they can be used by everyone for their own purpose, on equal terms." Service Requests for RDS System Support and/or RDL Content Support are provided for registered users.

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PCA RDL (Reference Data Library) Content Access

Status

For information about the status, current and planned tasks see the Information page here.

PCA RDL Endpoint

The entrance to the PCA RDL is through our endpoint. You can search our entire library, or run structured queries (SPARQL) against the content. If you don't know where to start, search for PUMP.

http://data.posccaesar.org/rdl

Download

Currently we are using Git (Stash) for managing the RDL. You can take a git clone of the repository.

Browse: http://gitlab.posccaesar.org/data-posccaesar-org/rdl/tree/master

Clone: http://gitlab.posccaesar.org/data-posccaesar-org/rdl.git

API for Computers

Query the server with the query "select * where {?a ?b ?c} limit 10": http://data.posccaesar.org/rdl/?query=select%20*%20where%20{?a%20?b%20?c}%20limit%2010

Set the output as xml: http://data.posccaesar.org/rdl/?query=select%20*%20where%20{?a%20?b%20?c}%20limit%2010&output=xml You can choose:

  • output=xml
  • output=json
  • output=ttl

(ttl is only for CONSTRUCT or DESCRIBE queries)

Machine readable linked data pages

Example: http://data.posccaesar.org/data/rdl/RDS327239 or by HTTP 303 by appending ?output in the HTTP query string: http://data.posccaesar.org/rdl/RDS327239?output=ttl

You can choose:

  • output=xml
  • output=json
  • output=ttl

Or you can set the accept-header to:

  • application/xml
  • application/rdf+xml
  • application/ttl
  • application/json

The return data includes

  • <your uri> ?b ?c
  • ?d ?e <your uri>
  • ?d ?e ?f
  • ?f rdfs:label ?g

RDS Operations Support

Registered users of the PCA Reference Data Services are also provided with operational support. These services are explained and accessed from RDS Operations Support Home.The purpose of these services is to ensure high quality and timely handling of requests made to or about the RDS (Reference Data Services) System and RDL (Reference Data Library) Content. Support arrangements are defined according to ITIL® and the ISO 20000 Standard.

Existing Support Users should create support ticket requests directly here. (separate log-in required.) Registered Users who do not also have PCA Membership (or other project membership with specific Service Levels included) will receive a reduced operational support service.

The PCA Operations Support Service operates the process of handling RDL Content Change Requests and clarifications in support of the RDL Maintenance Procedure, but does not operate the full content maintenance process. Where such Change Requests include proposed new RDL Content please submit / attach using the Batch Upload Spreadsheet format. For explanation and a template of the spreadsheet format used to batch import reference data items, refer to the RDS Spreadsheet Batch Upload.

Where users require guidance on how to relate or map their business data using ISO 15926 Reference Data, please see joint PCA / FIATECH JORD Mapping Methodology (via the JORD project pages).

ISO 15926 Part 4 Improvements

Info about the Part 4 Improvements is available at this webpage http://posccaesar.org/p4/ns/info/

The old (deprecated) PCA RDL

http://posccaesar.org/endpoint/

Human readable endpoint.

http://posccaesar.org/endpoint/sparql

Machine readable endpoint (SPARQL 1.1)

The PCA RDL Endpoint has two graphs; one for the PCA RDL triples from the OWL file below, and one graph with a map between RDS WIP classes and PCA RDL classes. The mapping file is available here.

The staging endpoint can be found at http://posccaesar.org/staging/ please note that staging currently uses a different main namespace.

File-Downloads of PCA RDL Content

The PCA RDL Content is also available for public access and/or download in different formats:

OWL files: http://rds.posccaesar.org/downloads/PCA-RDL.owl.zip contains the full PCA RDS content in an interim format. For more information on this format and other ISO15926 parts available in OWL formats, see also https://www.posccaesar.org/wiki/ISO15926inOWL Note that namespace for RD items has changed in export file from http://rds.posccaesar.org/2008/06/OWL/RDL# to http://posccaesar.org/rdl/ since April 18. This corresponds to the content in the PCA RDL endpoint.

MS Access Database: http://rds.posccaesar.org/downloads/PCA-RDL.mdb.zip contains the full PCA RDL content, including content not visible in the Java thin-client RDS Browser interface.

Spreadsheet Formats: The "initial set" of ISO15926-4 RD 2007 content remains accessible from ISO SC4. (See http://standards.iso.org/iso/15926/-4/) Updates to these and ISO processes for maintenance of standard reference data as databases are work in progress. Partial report download spreadsheet formats (and upload, see below) from the PCA RDS are also supportable. Please use Operations Support service requests for these.

Old RDS wiki page: Rds2

Attachments

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