Pre-defined Classification Schemes (Taxonomies)
The CentraSite registry has several pre-defined classification schemes:

All the classification schemes that are defined in the JAXR standard.

A classification scheme for the products using
CentraSite. Thus, each registry object can be classified with its product. This makes it easy to find all registry objects originating from a particular product.
The name of this classification scheme is Products and its member concepts are CentraSite and products that use CentraSite.

A classification scheme for database management systems: This can be used to classify data sources by the type of the database management system they represent.
The name of this classification scheme is Databases and its member concepts are:

Adabas

Tamino

DB2

Enabler

MSSQL

Oracle

A classification scheme for content types: This can be used to classify external links with their content type/MIME type.
The name of this classification scheme is Content Type.

A classification scheme for the types of objects in the
CentraSite repository: This can be used to classify external links with their repository object type.
The name of this classification scheme is RepositoryObjectType and its member concepts are:

BPEL

BPELObject

CustomComponent

Documentation

DTD

E-mailEvent

Emerger

FileEvent

HTML

Icon

JAR

JMSEvent

Layout

Ontology

Payload

ProjectFolder

ReportDefinition

ScheduledTask

Sequence

SOAP

Template

TypeIcon

WSDD

WSDL

XML

XSD

XSLT

Some external classification schemes used for UDDI mapping:

ClassificationGroup

Object

UseType

uddi-org:protocol:http

uddi-org:protocol:soap

uddi-org:wsdl:address

uddi-org:wsdl:categorization:protocol

uddi-org:wsdl:categorization:transport

uddi-org:wsdl:portTypeReference

uddi-org:wsdl:types

uddi-org:xml:localName

uddi-org:xml:namespace