digital libraries in research & education, 9 november 2010 ... events/parma...
TRANSCRIPT
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Digital Libraries in Research &
Education, 9 November 2010,
Parma, Italy
DL.org
Research and Education in Digital Libraries9 November 2010, Parma
Coordination Action on Digital Library
Interoperability, Best Practices and
Modelling Foundations
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DL.org
DL.org Consortium
• CNR-ISTI (coordinator, Italy)
• NKUA (Greece)
• UG (United Kingdom)
• Trust-IT (United Kingdom)
Research and Education in Digital Libraries9 November 2010, Parma
• Trust-IT (United Kingdom)
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DL.org
Research and Education in Digital Libraries9 November 2010, Parma
DELOS Reference Model
for Digital Libraries
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DL.org objectives
1. Promote interoperability between current and future DL initiatives
– by adopting a systematic approach
2. Deliver a DL Interoperability Technology and Methodology Cookbook
– by identifying most common best practices and technology
Research and Education in Digital Libraries9 November 2010, Parma
– by identifying most common best practices and technology patterns
3. Consolidate and enhance the DELOS Reference Model
– by exploiting feedback collected by members of different communities
4. Serve the DL community making available the produced outcomes
– via Web site, Workshops, Schools
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Six Thematic
Working Groups
45 participants– Leading technical experts representatives of
key on-going projects and initiatives
– Researchers in the specific domain
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Liaison Group
18 members:– Stakeholders of DL organizations and coalitions
– Well known experts in the DL field
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Events
1. 1st Face-to-Face meetings, late Spring-Summer, 2009
2. 2nd Face-to-face meeting, Rome, 30 November 2009
3. DL.org 1st Workshop: Digital Libraries: Interoperability, Best Practices & Modeling Foundations, 1 October 2009, Corfu
4. DL.org 2nd Workshop: Making Digital Libraries
Research and Education in Digital Libraries9 November 2010, Parma
4. DL.org 2nd Workshop: Making Digital Libraries Interoperable: Challenges and Approaches, 9-10 September 2010, Glasgow
5. Digital Library Autumn School, 3-8 October 2010, Athens
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www.dlorg.eu
Research and Education in Digital Libraries9 November 2010, Parma
www.dlorg.eu
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The DL Reference Model
Donatella Castelli
Research and Education in Digital Libraries
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Outline
• DL Evolution
• Introduction to the RM
• Introduction to the Cookbook
Research and Education in Digital Libraries9 November 2010, Parma
• Introduction to the Cookbook
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A digital library is
the analogous of…
• A digital library
• A digital museum
• A digital archive
• A digital audio-video archive• A digital audio-video archive
• …
• A data center
• ……and much more
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Evolution Axes
ArchitectureDistributed
Centralised
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Content type
Functionality
Texts Compound
objects
CollaborationSearch
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Evolution Axes
ArchitectureDistributed
Centralised
Research and Education in Digital Libraries9 November 2010, Parma
Content type
Functionality
Texts Compound
objects
CollaborationSearch
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Content type
• Text objects
• Multilingual objects
• Multimedia objects
• Annotated objects
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• Compound objects
• Enhanced publications
• …..
New document types empower novel forms of communicationand remote collaboration among the members of a communityof interest
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Multilingual documents
• Documents in different languages can be maintained
in the same DL
• These documents can be accessed by querying in the
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• These documents can be accessed by querying in the
language of the document and in any other
supported language
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Multimedia objects
• Documents
– Audio-video resources
• Metadata
– Terms extracted from the transcript and from the image captions
– Locations
– Keyframe– Keyframe
– Faces
– Name of the speakers
– Video abstract
– ………
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Annotated objects
• comment• rating• description• link
•……..
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• on the whole document or on its parts
• authored by different people
• public or restricted
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Compound documents
JournalArticle1Article2Article3
ThesisChapter1
SectionASectionB
Chapter2
Video
Sequence1
SceneA
FrameA1
FrameA2
TutorialIntroductionPart1
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Chapter2SectionC
SceneB
FrameB1
Sequence2
Part1 Part2Part3
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Multimedia
compound objects
• Sequence of lectures
– Videos of the lecture
– Slides
– Demos
– Related documentation
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– Related documentation
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Enhanced publications
An enhanced publication is a publication that is enriched with
three categories of information:
• research data (evidence of the research)
• extra materials (to illustrate or clarify)
• post-publication data • post-publication data
(commentaries, ranking)
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Linked Data
Connect distributed data across the Web
Recommended best practice for exposing, sharing,
and connecting pieces of data, information and
knowledge on the Semantic Web using URIs and RDF.“
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Evolution Axes
ArchitectureDistributed
Centralised
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Content type
Functionality
Texts Compound
objects
CollaborationSearch
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DL functionality
• Different type of information objects require semantically
different functionality
• DLs may offer to end users more than simple retrieval and
access functionality
e.g. - Document generation through data processinge.g. - Document generation through data processing
- Communication and collaboration services
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e.g. the acquisition of
video documents
Research and Education in Digital Libraries9 November 2010, Parma
It must be possible to structure the video into meaningful
parts (sequences, scenes, frames) …
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Description of video
documentsIt must be possible to structure the video into meaningful parts
(sequences, scenes, frames) .....
… and describe the video
and its parts separately
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e.g. search
• Free text search
• Fielded search
• Monolingual and cross language search
• Similarity search
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• Search by doc structure
• Search on annotations
• …..
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Other DL Services
New services (not necessarily document centered) can be
included in a DL to improve its potential usages
– Recommenders
– Co-operative work services
– Peer-reviewing supporting services– Peer-reviewing supporting services
– Shared authoring services
– Social networking
– ….
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Scientific DLs
Integrated environment for the generation of products
(through data processing), sharing and generation of
new documents
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Evolution Axes
ArchitectureDistributed
Centralised
Research and Education in Digital Libraries9 November 2010, Parma
Content type
Functionality
Texts Compound
objects
CollaborationSearch
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Centralised systems
� Store
� Submit
� Annotate
� Recommend
� Collaborate
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� Curate
� Search
� Access
� Single-type document
� Collaborate
� Specialised analysis & processing
� …..
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Cost of centralised DLs
• Digital content production & curation
• System development
• Hw & sw maintenance
• Workload peaks coverage• Workload peaks coverage
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Centralised vs distributed
Repository
Service
Repository
ServiceRepository
service
Browse
Service
InternetSearch
service
Distributed systems
The services are distributed on the Internet.They communicate through an
Research and Education in Digital Libraries9 November 2010, Parma
Interface
Service
They communicate through an established protocol.
Users access the system
through a Web interface
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Federated DL
• Cross-access
• Metadata & document mapping & harmonization
• Metadata cleaning
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• Metadata cleaning
• Policy control
• …
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Cost of federated DLs
• Digital content production & curation (reduced)
• System development
• Hw & sw maintenance
• Workload peaks coverage
• Interoperability
Research and Education in Digital Libraries9 November 2010, Parma
• Interoperability
�Metadata & object structure
�Contextual information
�Provenance
�Policy
�Quality
� …
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Large federations:
Europeana
EDL
National Digital Library
ACE
Film Archive X
Museum X
Archive X
Film Archive 1
Film Archive 2
Film Archive 3
Library X
Museum A Archive A Library A
ICOM EuropeMuseum 1
Museum 2
EFG
ACE
Culture.fr
CulturaItalia
BAM
CIMEC etc……
EuropeanaLocal
Research and Education in Digital Libraries9 November 2010, Parma
NL 1 NL 2 NL 3
Eurbica National Archive 1
MICHAEL
CENL
National Archive 2
National Archive 3FIAT
Television Archive 1
Television Archive n
IASA
Sound Archive 1
Sound Archive n
Museum 2
The European Library
VideoActive
ATHENA
APEnet
B HL
CARARE
Europeana RegiaEUROPEANA CONNECT
ECLAP
EUscreen
JUDAICA
HOPE
Europeana Travel
MIMO
thinkMOTION
Natural Europe
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Data Infrastructures
Earth ObservationDLS Archeology
DLSBiomedics
DLS
Research and Education in Digital Libraries9 November 2010, Parma
Managed sharing of servicesManaged sharing of servicesNotification
M26
0
0,2
0,4
0,6
0,8
1
1,2
Inform
aion Service
Broker & Matchmaker
Keeper
DVOS
VDL Generator
Content Management
Wrapper & Monitor
Content Security
Metadata Broker
Annotation
Metadata Management
Data Fusion
CSDS
Personalization
Index Service
Search Service
Feature Extraction Service
Process Design & Verification
Process Execution & Reliability
Process Optimization
Arte Portal
ImpECt Portal
Prototype Available Build
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Exemplars
• DRIVER
• OpenAIRE
• EFG
• HOPE
D-Netenabled
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• HOPE
• D4Science
• gMangCubeenabled
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Data infrastructure cost
• Digital content production & curation
• System development
• Hw & sw maintenance
• Workload peaks coverageCovered by the e-
Infrastructure
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• Workload peaks coverage Infrastructure
E-Infrastructure set-up and mgmt cost
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DL Universe
Research and Education in Digital Libraries9 November 2010, Parma
BRICKSBRICKS
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Issues when dealing with DL
• Comparison among systems is hard
• Different focus
• Different concepts
• Different terminology
• No guidelines for DL education
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• No guidelines for DL education
• Lack of DL systems design and development methodologies
• No systematic approach to interoperability & integration of
solutions
Lack of foundations !
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Reference Model
• A reference model is an abstract framework for understandingsignificant relationships among the entities of someenvironment, and for the development of consistentstandards or specifications supporting that environment
• A reference model may be used as a basis for education andexplaining standards to a non-specialist
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explaining standards to a non-specialist
• A reference model is not directly tied to any standards,technologies or other concrete implementation details, but itdoes seek to provide a common semantics that can be usedunambiguously across and between differentimplementations
2005 Adobe Systems Incorporated. All Rights Reserved
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DL Reference Model
Objective
To set the foundations and identify the cornerstone concepts
within the universe of Digital Libraries, facilitating the integration of
research and proposing better ways of developing appropriate
systems
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Consists of 3 parts:
• Digital Library Manifesto
• Digital Library Reference Model in a Nutshell
• Digital Library Reference Model Concepts & Relations.
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The DL “Systems”
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