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Content Packaging for Complex Objects MPEG – 21 1 February 2007
Content Packaging for Complex Objects MPEG – 21 1 February 2007
MPEG 21
MPEG 21
Core concepts - Digital Item & User
Core concepts - Digital Item & User
Abstract model – MPEG-21 DID Representation of the model in XML –
Abstract model – MPEG-21 DID Representation of the model in XML –
Digital Object
Digital Object
MPEG-21 DID Abstract Data Model: basic entities
MPEG-21 DID Abstract Data Model: basic entities
Content Packaging for Complex Objects MPEG – 21 1 February 2007
Content Packaging for Complex Objects MPEG – 21 1 February 2007
Content Packaging for Complex Objects MPEG – 21 1 February 2007
Content Packaging for Complex Objects MPEG – 21 1 February 2007
Descriptor/Statement
Descriptor/Statement
Descriptor/Statement Examples
Descriptor/Statement Examples
Descriptor/Statement Example
Descriptor/Statement Example
DII - Digital Item Identifier – MPEG 21 Pt
DII - Digital Item Identifier – MPEG 21 Pt
And there is much more
And there is much more
Thank you Questions Acknowledgements Thanks to the Repository Team –
Thank you Questions Acknowledgements Thanks to the Repository Team –

Презентация на тему: «Content Packaging for Complex Objects MPEG – 21 Frances Knudson Repository Team Los Alamos National Laboratory Research Library». Автор: 101813. Файл: «Content Packaging for Complex Objects MPEG – 21 Frances Knudson Repository Team Los Alamos National Laboratory Research Library.ppt». Размер zip-архива: 274 КБ.

Content Packaging for Complex Objects MPEG – 21 Frances Knudson Repository Team Los Alamos National Laboratory Research Library

содержание презентации «Content Packaging for Complex Objects MPEG – 21 Frances Knudson Repository Team Los Alamos National Laboratory Research Library.ppt»
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1 Content Packaging for Complex Objects MPEG – 21 1 February 2007

Content Packaging for Complex Objects MPEG – 21 1 February 2007

Frances Knudson Repository Team Los Alamos National Laboratory Research Library LA-UR-07-0495

2 MPEG 21

MPEG 21

ISO/IEC TR 21000 MPEG-21 is modular Part 1: Vision, Technologies and Strategy Part 2: DID – Digital Item Declaration Part 3: DII – Digital Item Identification Part 4: IPMP – Intellectual Property Management and Protection Part 5: REL – Rights Expression Part 6: RDD – Rights Data Dictionary Part 7: DIA – Digital Item Adaptation Part 8: MPEG-21 Reference Software Part 9: MPEG-21 File Format Part 10: DIP – Digital Item Processing Part 11: Persistent Association Technology Part 12: Test Bed for MPEG-21 Resource Delivery Part 13: Empty Part 14: Conformance Part 15: Event Reporting Part 16: BF – Binary Format Part 17: Fragment Identification of MPEG Resources Part 18: Digital Item Streaming

3 Core concepts - Digital Item & User

Core concepts - Digital Item & User

Digital Item – “a structured digital object with a standard representation, identification and metadata within the MPEG-21 framework” User – “any entity that interacts with or makes use of the Digital Items”

4 Abstract model – MPEG-21 DID Representation of the model in XML –

Abstract model – MPEG-21 DID Representation of the model in XML –

MPEG-21 DIDL W3C XML schema of MPEG-21 DIDL

MPEG-21 Digital Item Declaration & Digital Item Declaration Language

5 Digital Object

Digital Object

Type

MIME

Identifier

Digital Object

scholarly paper

N/A

DOI

Constituent datastream 1

metadata record

text/xml

PMID

Constituent datastream 2 (inline)

fulltext file

application/pdf

Constituent datastream 3 (http access)

fulltext file

application/pdf

6 MPEG-21 DID Abstract Data Model: basic entities

MPEG-21 DID Abstract Data Model: basic entities

container: grouping of items and/or containers and descriptor/statement constructs pertaining to the container

item: represents a Digital Item. Descriptor/statement constructs convey information about the Digital Item

component: binding of descriptor/statements to datastreams

resource: datastream

descriptor/statement

item

descriptor/statement

item

descriptor/statement

component

component

descriptor/statement

resource

resource

resource

7 Content Packaging for Complex Objects MPEG – 21 1 February 2007
8 Content Packaging for Complex Objects MPEG – 21 1 February 2007
9 Descriptor/Statement

Descriptor/Statement

Extensible mechanism to convey secondary information. Statement is a literal textual value that contains information but not an asset. MPEG 21 presents a formal usage in several of the parts Identification information – MPEG-21 Part 3 : DII Rights information – MPEG-21 Part 5 : REL Processing information – MPEG-21 Part 10 : DIP User environment information – MPEG-21 Part 7 : DIA

10 Descriptor/Statement Examples

Descriptor/Statement Examples

<didl:Descriptor> <didl:Statement mimeType="text/plain; charset=utf-8"> This digital object represents a scholarly paper. </didl:Statement></didl:Descriptor> <didl:Descriptor> <didl:Statement mimeType="text/xml; charset=utf-8"> <dii:Identifier xmlns:dii="urn:mpeg:mpeg21:2002:01-DII-NS" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:mpeg21:2002:01-DII-NS http://standards.iso.org/ittf/PubliclyAvailableStandards/MPEG-21_schema_files/dii.xsd/dii.xsd">info:pmid/12456789</dii:Identifier> </didl:Statement></didl:Descriptor>

11 Descriptor/Statement Example

Descriptor/Statement Example

<didl:Descriptor> <didl:Statement mimeType="text/xml; charset=utf-8"> <jh:jhove xsi:schemaLocation="http://hul.harvard.edu/ois/xml/ns/jhove http://hul.harvard.edu/ois/xml/xsd/jhove/1.3/jhove.xsd" name="Jhove" release="1.0" date="2005-05-26"> <jh:date>2006-10-24T07:45:27-06:00</jh:date> <jh:lastModified>2006-08-28T08:32:23-06:00</jh:lastModified> <jh:size>3492005</jh:size> <jh:format>PDF</jh:format> <jh:version>1.4</jh:version> <jh:status>Well-Formed and valid</jh:status> </jh:jhove> </didl:Statement>………….

12 DII - Digital Item Identifier – MPEG 21 Pt

DII - Digital Item Identifier – MPEG 21 Pt

3

“Framework for identifying any entity regardless of its nature type or granularity” dii:Identifier dii:RelatedIdentifier @relationshipType Contained within the descriptor/statement entity

13 And there is much more

And there is much more

MPEG-21 Flexible Extensible Community profiles LANL has processed 8 datasets (80 million records) Uptake has increased – aDORe Archive, Fedora (plug-in), DSpace (plug-in), Portico, DARE (Dutch library), PANIC Commercial ventures – enkios

14 Thank you Questions Acknowledgements Thanks to the Repository Team –

Thank you Questions Acknowledgements Thanks to the Repository Team –

Esha Datta, Beth Goldsmith, Irma Holtkamp, Laura Robinson and Valerie Trujillo Thanks to Herbert Van de Sompel and LANL Research Library Digital Library Research & Prototyping Team for the use of their slides fknudson@lanl.gov

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