OWLlink Extension:
Retraction HTTP/XML Binding

Abstract

OWLlink provides a declarative interface for – among other things – asserting OWL axioms to a Knowledge Base (KB) of an OWL reasoner. This OWLlink extension adds the ability to retract previously asserted axioms from KBs. This document describes the accompanying HTTP/XML Binding of this extension.

Status of this Document

May Be Superseded

This version of the OWLlink structural specification refers to the public OWL 2 working draft as of April 11th 2008 (http://www.w3.org/TR/2008/WD-owl2-syntax-20080411/) and will soon be superseded by an updated specification in order to align with the latest OWL 2 working draft or recommendation.

Please Comment

The OWLlink Working Group seeks public feedback on these Working Drafts. Please send your comments to public-comments@owllink.org or post to the public discussion forum at http://www.owllink.org/forum/.

Set of Documents

This extension is being published as one of a set of 2 documents:

1. Retraction Structural Specification
2. Retraction HTTP/XML Binding (this document)

• http://www.owllink.org/ext/retraction-xml-def.xsd which defines the new Retract element:

  <xsd:schema 
      xmlns:xsd="http://www.w3.org/2001/XMLSchema"
      xmlns:ol="http://www.owllink.org/owllink-xml#"
      targetNamespace="http://www.owllink.org/ext/retraction-xml#"
      elementFormDefault="qualified" attributeFormDefault="unqualified">
  	
      <xsd:import namespace="http://www.owllink.org/owllink-xml#" schemaLocation="owllink-xml-20091016.xsd"/>
      <xsd:import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="http://www.w3.org/2001/xml.xsd"/>
      
      <xsd:element name="Retract" type="ol:KBRequestWithAxioms"/>
     
  </xsd:schema>
  

• http://www.owllink.org/ext/retraction-xml.xsd which redefines the OWLlink schema underlying the [OWLlink HTP/XML Binding] containing the new element:

  <xsd:schema 
      xmlns:xsd="http://www.w3.org/2001/XMLSchema"
      xmlns:ol="http://www.owllink.org/owllink-xml#"
      xmlns:ext="http://www.owllink.org/ext/retraction-xml#"
      targetNamespace="http://www.owllink.org/owllink-xml#"
      elementFormDefault="qualified" attributeFormDefault="unqualified">
  	       
      <xsd:import namespace="http://www.owllink.org/ext/retraction-xml#" schemaLocation="retraction-xml-def-20091016.xsd"/>
      <xsd:import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="http://www.w3.org/2001/xml.xsd"/>
  
      <xsd:redefine schemaLocation="owllink-xml.xsd">
          <xsd:group name="Request">
              <xsd:choice>
                  <xsd:group ref="ol:Request"/>
                  <xsd:element ref="ext:Retract"/>
              </xsd:choice>
          </xsd:group>
      </xsd:redefine>
  
  </xsd:schema>
  

[OWLlink HTTP/XML Binding]

OWLlink: HTTP/XML Binding. Sean Bechhofer, Thorsten Liebig, Marko Luther, Olaf Noppens. Working Draft, October 2008. http://www.owllink.org/owllink-httpxml-20081001/