special study presentation 2
DESCRIPTION
Special Study Presentation 2. Rathachai Chawuthai CSIM/SET/AIT. Agenda. 22 nd Century Knowledge Preservation Challenges islandora. 22 nd Century. 22 nd Century. Hi Bob, do you have information about USA president “Barack Obama” . Oh! It is hard to find out. - PowerPoint PPT PresentationTRANSCRIPT
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Special Study Presentation 2
Rathachai Chawuthai CSIM/SET/AIT
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Agenda
• 22nd Century• Knowledge Preservation• Challenges• islandora
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22nd Century
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22nd Century
Hi Bob, do you have information about
USA president “Barack Obama”
Oh! It is hard to find out.Because the information is older than 100 years.
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22nd Century
What is a DVD?
Hi Alice. Luckily, I found a DVD containing
his information
?
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22nd Century
No !!! That thing is unreadable
!Error: DVDunreadable
Don’t be silly, Alice. It was popular in 100 years ago.
It can be read by DVD reader.See it !!
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22nd Century
Hey, … How to open PDF file?
!
Fortunately, I can get that file.Can you open “obama2009.pdf”
Error: No program can open file format PDF
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22nd Century
How I know the password?
As I see, it need Adobe Reader 9.0 to open it.
File is read protectedPlease key password
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22nd Century
!7rò??àÕ??ߟ²ÂÚ
Õ??ߟ²ÂÚðŽɳ
!Z?g! Õr/ÕŸ/?rò?
Why the author documented in alien language?
? !
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22nd Century
BarackObama
44th presidentof USA
Born 08/04 /1961
Confuse!!! When he was born?4th August or 8th April ?
. . .
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22nd Century
What should I do if I need to find more information
relevance to Barack Obama’s family?
You may have to browse every file
from here.Good luck …
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22nd Century
It would be good if an older generation has a good plan for
digital preservation
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• An active management of digital information to ensure its – Maintainability
Bitstream is still be existing originally– Accessibility
Bitstream forming a file is able to be opened– Renderability
An opened file presents a digital object originally– Understandability
A reader understand a digital object originally
over the time
Digital Preservation
wikipedia.org
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Terminology and Wish List
for a Formal Theory of PreservationGiorgos Flouris
FORTH or ICSCNR of ISTI
[email protected]@isti.cnr.it
Meghan BanachCNR of ISTI
Knowledge Preservation
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Objective
BarackObama
44th presidentof USA
Born 04-Aug-1961
Producer
Consumer
Archive SystemIngest
Render
The objective is that a reader (consumer) is able to perceive information context following his/her background knowledge and understand it originally.
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Underlying Community Knowledge
08/04August
4• The producer need to represent “4th of August” in a common language. Thus, she
need to use contextual, knowledge, or commonsense information that she agree with her community in order to write a symbol representing “4th of August”.
• She decides to use “08/04” because everyone in the same community understand this and can interpret to “4th of August”.
• It means that she, and readers in the same community at that period understand the same meaning.
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From simple Math function f(x) = y
Underlying Community Knowledge
Every people use Interpret function to understand meaning of language
producer.interpret( “08/04” ) “4th of August”reader01.interpret( “08/04” ) “4th of August”reader02.interpret( “08/04” ) “4th of August”
In this case, everyone interprets language “08/04” to be “4th of August” because inside the interpret process has formula.
Formula comes from knowledge. If knowledge is agreed in community, formula is produced from community knowledge.It means that Producer and all reader have the same formula, so they understand the same thing together.
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Evaluation of DC
08/04April
8producer.interpret( “08/04” ) “4th of August”
consumer.interpret( “08/04” ) “8th of April”
Why consumer understand incorrectly?
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• When the time change, designated community may be changed, and knowledge may be changed.
• Thus, “understanding” may be changed, too.• The critical cause is a change of UCK.– Because difference UCK makes difference formula
that makes difference understanding. • Next challenge is “How to capture change of UCK”
Evaluation of DC
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Is it possible?
Evaluation of DC
producer.interpret( “08/04” ) “4th of August”
consumer.interpret( “04/08” ) “4th of Auguse”
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Evaluation of DC
ConsumerProducer
Right now, Consumer get incorrect understanding from language that Producer need to present.
UCKFormula
Formula
UCK
08/04Read Read
Digital Object D
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Evaluation of DC
ConsumerProducer
08/04
The system should understand knowledge from Consumer’s side and generate mapping between Producer’s formula and Consumer’s formula using UCKES and UCKMS mechanism
UCKFormula
Formula
UCKUCKES
UCKMS
Digital Object D
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Evaluation of DC
ConsumerProducer
08/04
Then, the system transform the digital object D to be D’. D’ contains language that make Consumer understand same thing as Producer
UCKFormula
Formula
UCKUCKES
UCKMS
04/08
Digital Object D Digital Object D’
Read Read
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Summary
BarackObama
44th presidentof USA
Born 08/04 /1961
BarackObama
44th presidentof USA
Born 04/08 /1961
Consumer understand D’ as same thing as Producer understand D.
It means that D’ has preservability relation with D.
D D’
D’ D
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Challenges
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Discovering the Information Needs of Humanists When Planning an Institutional Repository - 2011
• Need of teaching material preservation• Need of document process (versioning)• Need of connection with external datasource• Need of including usage statistic
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Preserving Digital Documents: Choices, Approaches, and Standards - 2004
• attach metadata to objects when you want to preserve them, rather than hard specifics that would be more typical in interchange format, because Preservation metadata today is seldom shared across organizations
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The Institutional Repository Rediscovered: What Can a University Do for Open Access Publishing - 2007
• Repository as a Platform for Peer-Reviewed Journals
• Make repository as open access publisher• The repository should produce, showcase, and
share an institution's exciting and original research• Provide to create a research community to expand
the boundaries of knowledge
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Institutional Repositories and Digital Preservation: Assessing Current Practices at Research Libraries - 2011
• To realize to implement Digital Archive in Institutional Repository
• To Make Agreements and secure permissions for preserving IR contents
• To have guidance of digital format preservation to content contributors
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Terminology and Wish List for a Formal Theory of Preservation
• Need of knowledge preservation
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The Paradox of Digital Preservation
• In organizations, workflow processes continuously create documents and records. Starting from creation and ingestion, we should integrate the workflow process with the preservation process: appraisal, verification, maintenance, and, eventually, retirement.
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Evaluation of Semantic and Social Technologies for Digital Libraries - 2008
• The users are more eager to depend results of their search process on the automated solutions, such as recommendations, and on their trust in the information provided by their friends. Therefore, the meaning of semantics in the digital libraries should heavily include the social semantics. Future research on semantic features should concentrate more on improving accuracy of automated recommendations services and usability of existing solutions
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• Approach METADATA model that supports– Variety types of digital object
• Many mime/type (including teaching material)• Digitized and born-digital object
– Data preservation • Preservation activities, Right and agreement, Requirement to access and render a digital
object, – Document process and versioning
• Create, review, …– Relationship between digital object
• Linked data– Semantic search
• RDF, SPARQL• Sharing metadata
– Knowledge preservation • Ontology, Linked data
Sketchy idea
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islandora
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islandora
• Institution– University of Prince Edward Island's Robertson Library
• Description– Islandora is an open source project underway at the Robertson Library at the University of
Prince Edward Island. Islandora combines the Drupal and Fedora software applications to create a robust digital asset management system that can be used for any requirement where collaboration and digital data stewardship, for the short and long term, are critical.
• Tools– Fedora Repository + GSearch, Drupal, and Solr
• Link– http://islandora.ca
Overview
example from fedora-commons.org
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islandora
islandora.ca
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islandora - demo - browse - collection
A collection of digital object that collects
many PDF documents.
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islandora - demo - object relationship
Hierarchy of collection(From administration page)
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islandora - demo - object relationship
The collections are represent in fedora object hierarchy
islandora:demos
islandora:pdf_collection islandora:demo_image_collection
isMemberOfCollection
islandora:collectionCModel
hasModelhasModel
hasModel
islandora:top
hasModel
hasModel
demo:DualResImageCollection
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islandora - demo - collection / digital object
A digital object in a collection.
(Display after select a collection)
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islandora - demo – object relationship
The collections are represent in fedora object hierarchy
islandora:demos
islandora:pdf_collection islandora:demo_image_collection
isMemberOfCollection isMemberOfCollection
islandora:6 islandora:1
isMemberOfCollection
islandora:collectionCModel
hasModel
hasModel
hasModel
hasModel
islandora:top
demo:DualResImageCollection
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islandora - demo - collection / digital object / view
Go inside digital object to get standard
MetaData
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islandora - demo - collection / digital object / view
1)
2) To get stream
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islandora - demo - collection / digital object / view
Be able to retrieve datastream of the
digital object
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islandora - demo – object relationship
islandora:book_collection
isMemberOfCollection
Example structure from digitalized object such as Book that each page is scanned by TIFF format
islandora:demos
islandora:topisMemberOfCollection
isMemberOfCollection
islandora:book1 islandora:book2
islandora:book1-page1 islandora:book1-page2
isPartOfisPartOf
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islandora - demo - collection / digital object / add
It allows user to add digital object under selected collection
e.g. islandora:pdf_collectionStep: 1) click on “Add”
2) Select a content model of digital object.
The choice leads to difference ingestion UI
3) Click “Next”
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islandora - demo - collection / digital object / add
Put metadata information in
application form
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islandora - demo - collection / digital object / add
Scroll down and click “Ingest” to
finish ingest process
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islandora - demo – Fedora object
All information (including datastream) of the created
digital resource has already ingested to Fedora repository
Fedora admin
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islandora - demo - admin / collection
User can browse to page that allow user to manage collection and model byMenu : Administer > Content Management > Islandora Content Modeler
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islandora - demo - admin / collection
Collections of digital object that are displayed in the first page of
digital repository pageCan add more
collection from
button +
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islandora - demo - admin / model
All content models that are templates of digital objects
Create more
Input form to create Content Model
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islandora - demo - admin / model
Detail of a selected content model
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islandora - demo - admin / model / form
Input form elements that are customizable to display
on ingestion form
A new input element is able to create from the panel
after click + to add element
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islandora - demo - search
User can search and get the search result of digital object
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islandora - demo - search
After view a digital object. User can click a metadata's’
value to search from that valuee.g. dc.subject:History-Conoe Cove (PEI)
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islandora - demo - search
After that user gets related digital object that relevance to dc.subject:History anddc.subject:Conoe Cove (PEI)
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?