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From content standards to RDF. Gordon Dunsire Presented at AKM 15, Porec , 2011. Content standards. Instructions/rules on creating and maintaining the content of bibliographic metadata (records) Aim to improve consistency, coherency, and completeness of records

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From content standards to RDF

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From content standards to RDF

Gordon Dunsire

Presented at AKM 15, Porec, 2011


Content standards

  • Instructions/rules on creating and maintaining the content of bibliographic metadata (records)

  • Aim to improve consistency, coherency, and completeness of records

    • For resource discovery services

  • Different standards for different domains (archives, libraries, museums)

    • And different contexts and changes over time

    • E.g. International Standard Bibliographic Description (ISBD), Anglo-American Cataloguing Rules (AACR), RDA: resource description and access ...


Example: ISBD consolidated edition 2011

The place of publication, production and/or distribution is the name of the place associated on the prescribed source of information with the name of the publisher, producer or distributor.

Element

Relationship

Content source

Definition


Example: RDA toolkit 2011

Record the type of carrier used to convey the content of the resource using one or more of the terms listed below

Element

Content source

Definition


Components & framework

Definition

Domain model

(Abstraction)

Element

Description set

profile

(Machine

interpretation)

Relationship

Usage

(Human

interpretation)

Usage guidelines

Content source


DCMI Singapore framework

DCMI syntax

guidelines

Syntax guidelines

and data formats

Local

RDF

schema

Metadata

vocabularies

Description

set profile

Usage

guidelines

DCMI

abstract model

RDF

Community

domain models

Domain

model

Application

profile

Global

Functional

requirements


Application profile

“Record” structure

Elements:

Mandatory?

Repeatable?

Sequence?

Aggregation?

Everything expressed in

Resource Description Framework (RDF)

[real soon now: ISBD/DCMI collaboration]


RDF triple

Subject : Predicate (property) : Object

URI : URI : URI (Linked data!)/Literal (Display)

Metadata content:

This book (URI) : Has author (URI) : That author (URI)

Element semantics:

Has author (URI) : Has definition (URI) : “Relates …”


RDF graph

Property1 URI

Subject URI

Object URI

Object literal

Property2 URI


Application (profile) semantics:

has minimum occurrence

(URI)

“1”

= mandatory,

non-repeatable

Has title

(URI)

“1”

has maximum occurrence

(URI)

Record content:

“Museum archives”

has title

(URI)

This book

(URI)

has creator (URI)

Author1 (URI)

Author2 (URI)

has contributor (URI)


Linking data from different domains

= linking data from different graphs

is same as (URI)

is same as (URI)

Author1 (URI)

AuthorX (URI)


Thank you

  • gordon@gordondunsire.com

  • Singapore framework

    • http://dublincore.org/documents/singapore-framework/

  • Guidelines for Dublin Core Application Profiles

    • http://dublincore.org/documents/profile-guidelines/index.shtml


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