YADS Model Schema - DAML+OIL

This is the DAML+OIL schema for the YADS model. 


  <?xml version="1.0" encoding="UTF-8"?>
  <!--
  
    YADS - DAML+OIL
  
    This document describes YADS - A Description Service
    in a DAML+OIL Schema using an RDF/XML serialization.
  
    ==
  
    // From RDF Schema for YADS

    Resource:     doi:1014/yads-schema-2002-04-03
    Comment:      RDF Schema for YADS - A Description Service
    Author:       Tony Hammond <tony_hammond@harcourt.com>
    Revision:     April 3, 2002 - Tony Hammond
  


  -->
  
  <r:RDF
    xmlns:r="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    xmlns:s="http://www.w3.org/2000/01/rdf-schema#"
    xmlns:d="http://www.w3.org/2001/10/daml+oil#"
  >
  
  <!--
    YADS - Ontology
    ~
  -->
  
  <d:Ontology r:about="">
    <d:versionInfo>0.1</d:versionInfo>
    <s:comment>An Ontology for YADS.</s:comment>
    <d:imports r:resource="http://www.w3.org/2001/10/daml+oil"/>
  </d:Ontology>
  
  <!--
    YADS - Base Classes
    ~
  -->
  
  <!-- "Item" class -->
  <d:Class r:ID="Item">
    <s:label>Item</s:label>
    <s:comment>Item - Class for any "Item" object which types a blank node
    used to associate a resource or resource hierarchy with properties.</s:comment>
    <!-- Constrain resource-type properties -->
    <s:subClassOf>
      <r:Alt>
        <r:li>
          <r:Bag>
            <r:li>
              <d:Restriction d:cardinality="1">
                <d:onProperty r:resource="#resource"/>
              </d:Restriction>
            </r:li>
            <r:li>
              <d:Restriction d:cardinality="0">
                <d:onProperty r:resource="#collection"/>
              </d:Restriction>
            </r:li>
          </r:Bag>
        </r:li>
        <r:li>
          <r:Bag>
            <r:li>
              <d:Restriction d:cardinality="0">
                <d:onProperty r:resource="#resource"/>
              </d:Restriction>
            </r:li>
            <r:li>
              <d:Restriction d:cardinality="1">
                <d:onProperty r:resource="#collection"/>
              </d:Restriction>
            </r:li>
          </r:Bag>
        </r:li>
      </r:Alt>
    </s:subClassOf>
    <!-- Constrain literal-type properties -->
    <s:subClassOf>
      <d:Restriction d:maxCardinality="1">
        <d:onProperty r:resource="#access"/>
        <d:onProperty r:resource="#detail"/>
        <d:onProperty r:resource="#directive"/>
        <d:onProperty r:resource="#label"/>
        <d:onProperty r:resource="#role"/>
        <d:onProperty r:resource="#service"/>
        <d:onProperty r:resource="#type"/>
      </d:Restriction>
    </s:subClassOf>
  </d:Class>
  
  <!-- "Nest" class -->
  <d:Class r:ID="Nest">
    <s:label>Nest</s:label>
    <s:comment>Nest - Class for any "Nest" object which types a blank node
    used to associate a resource with a resource hierarchy and associates
    properties with the resource/hierarchy association.</s:comment>
    <!-- Constrain resource-type properties -->
    <s:subClassOf>
      <d:Restriction d:cardinality="1">
        <d:onProperty r:resource="#resource"/>
        <d:onProperty r:resource="#collection"/>
      </d:Restriction>
    </s:subClassOf>
    <!-- Constrain literal-type properties -->
    <s:subClassOf>
      <d:Restriction d:maxCardinality="1">
        <d:onProperty r:resource="#access"/>
        <d:onProperty r:resource="#detail"/>
        <d:onProperty r:resource="#directive"/>
        <d:onProperty r:resource="#label"/>
        <d:onProperty r:resource="#role"/>
        <d:onProperty r:resource="#service"/>
        <d:onProperty r:resource="#type"/>
      </d:Restriction>
    </s:subClassOf>
  </d:Class>
  
  <!--
    YADS - Base Properties
    ~
  -->
  
  <!-- First the resource properties -->
  
  <!-- "collection" property -->
  <d:ObjectProperty r:ID="collection">
    <s:label>collection</s:label>
    <s:comment>collection - Property attributing a "collection" element for
    grouping resources (a Container).</s:comment>
    <s:range r:resource="http://www.w3.org/TR/2000/CR-rdf-schema-20000327#Container"/>
    <s:domain r:resource="#Item"/>
    <s:domain r:resource="#Nest"/>
  </d:ObjectProperty>
  
  <!-- "resource" property -->
  <d:ObjectProperty r:ID="resource">
    <s:label>resource</s:label>
    <s:comment>resource - Property attributing a "resource" element
    (a Resource).</s:comment>
    <s:range r:resource="http://www.w3.org/TR/2000/CR-rdf-schema-20000327#Resource"/>
    <s:domain r:resource="#Item"/>
    <s:domain r:resource="#Nest"/>
  </d:ObjectProperty>
  
  <!-- Then the literal properties -->
  
  <!-- "access" property -->
  <d:ObjectProperty r:ID="access">
    <s:label>access</s:label>
    <s:comment>access - Property attributing an "access" element for
    addressing a resource (a Literal).</s:comment>
    <s:range r:resource="http://www.w3.org/TR/2000/CR-rdf-schema-20000327#Literal"/>
    <s:domain r:resource="#Item"/>
    <s:domain r:resource="#Nest"/>
  </d:ObjectProperty>
  
  <!-- "detail" property -->
  <d:ObjectProperty r:ID="detail">
    <s:label>detail</s:label>
    <s:comment>detail - Property attributing a "detail" element for
    describing a resource (a Literal).</s:comment>
    <s:range r:resource="http://www.w3.org/TR/2000/CR-rdf-schema-20000327#Literal"/>
    <s:domain r:resource="#Item"/>
    <s:domain r:resource="#Nest"/>
  </d:ObjectProperty>
  
  <!-- "directive" property -->
  <d:ObjectProperty r:ID="directive">
    <s:label>directive</s:label>
    <s:comment>directive - Property attributing a "directive" element for
    directing the behaviour of a service component (a Literal).</s:comment>
    <s:range r:resource="http://www.w3.org/TR/2000/CR-rdf-schema-20000327#Literal"/>
    <s:domain r:resource="#Item"/>
    <s:domain r:resource="#Nest"/>
  </d:ObjectProperty>
  
  <!-- "label" property -->
  <d:ObjectProperty r:ID="label">
    <s:label>label</s:label>
    <s:comment>label - Property attributing a "label" element for
    representing a resource in a display service (a Literal).</s:comment>
    <s:range r:resource="http://www.w3.org/TR/2000/CR-rdf-schema-20000327#Literal"/>
    <s:domain r:resource="#Item"/>
    <s:domain r:resource="#Nest"/>
  </d:ObjectProperty>
  
  <!-- "role" property -->
  <d:ObjectProperty r:ID="role">
    <s:label>role</s:label>
    <s:comment>role - Property attributing a "role" element for
    relating a resource (a Literal).</s:comment>
    <s:range r:resource="http://www.w3.org/TR/2000/CR-rdf-schema-20000327#Literal"/>
    <s:domain r:resource="#Item"/>
    <s:domain r:resource="#Nest"/>
  </d:ObjectProperty>
  
  <!-- "service" property -->
  <d:ObjectProperty r:ID="service">
    <s:label>service</s:label>
    <s:comment>service - Property attributing a "service" element for
    a service component (a Literal).</s:comment>
    <s:range r:resource="http://www.w3.org/TR/2000/CR-rdf-schema-20000327#Literal"/>
    <s:domain r:resource="#Item"/>
    <s:domain r:resource="#Nest"/>
  </d:ObjectProperty>
  
  <!-- "type" property -->
  <d:ObjectProperty r:ID="type">
    <s:label>type</s:label>
    <s:comment>type - Property attributing a "type" element for
    typing a resource (a Literal).</s:comment>
    <s:range r:resource="http://www.w3.org/TR/2000/CR-rdf-schema-20000327#Literal"/>
    <s:domain r:resource="#Item"/>
    <s:domain r:resource="#Nest"/>
  </d:ObjectProperty>
  
  </r:RDF>