Beyond Categorization, there's also the need to identify a business uniquely by a well-known identifier such as a Federal Tax Id. Following the extensibility theme, UDDI businessEntity structures can be assigned unique ids using a collection of keyedReferences inside an identifierBag. Listing 11.8 shows the identifierBag schema.
<element name="identifierBag" type="uddi:identifierBag"/> <complexType name="identifierBag"> <sequence> <element ref="uddi:keyedReference" minOccurs="0" maxOccurs="unbounded"/> </sequence> </complexType>
An identifier bag is simply a collection of keyedReference elements. Within an identifierBag, a keyedReference element points to a tModel that defines an ...