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CYCLADES An Open Collaborative Virtual Archive Environment. Umberto Straccia [email protected] IEI-CNR (Italy). Outline. Project Overview Project Activities and Responsibility Project Schedule. Project Overview. User. Communities/Groups of users. (Preliminary: the scenario). - PowerPoint PPT Presentation
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February, 2001 1
CYCLADESCYCLADESAn Open Collaborative Virtual Archive EnvironmentAn Open Collaborative Virtual Archive Environment
Umberto Straccia
IEI-CNR (Italy)
February, 2001 2
OutlineOutline
Project OverviewProject Activities and ResponsibilityProject Schedule
February, 2001 3
Project OverviewProject Overview
February, 2001 4
(Preliminary: the scenario)(Preliminary: the scenario)
DIGITAL ARCHIVE
1
DIGITAL ARCHIVE
2
DIGITAL ARCHIVE
n
Large, heterogeneous, multidisciplinary digital archives distributed over the Web
Information sources
User Communities/Groups of usersSearch &
Browse
February, 2001 5
Project GoalProject Goal
Individual users Communities/Groups of users
Development of an open collaborative virtual archive environment
supporting
interacting with
Large, heterogeneous, multidisciplinary digital archives distributed over the Web
February, 2001 6
CYCLADES Virtual Archive Environment
DIGITAL ARCHIVE
1
DIGITAL ARCHIVE
2
DIGITAL ARCHIVE
n...
Large, heterogeneous, multidisciplinary digital archives distributed over the Web
UserCommunities/Groups
of users
Logical ViewLogical View
February, 2001 7
CYCLADESCYCLADES
The Digital ArchivesCYCLADES functionalityCYCLADES architecture
February, 2001 8
The Digital ArchivesThe Digital Archives
CYCLADES will provide access to the Digital Archives compliant with the Open Archive Initiative
February, 2001 9
the Open Archives Initiativethe Open Archives Initiative
Agreement between several Digital Archives in order to provide
interoperability
The specs give data providers (individual archives) easy-to-
implement mechanisms for making the documents’ metadata in their
archives externally available
This external availability then makes it possible for service providers
to build higher levels of functionality
http://www.openarchives.org
FOR MORE INFO...
February, 2001 10
OAI: list of some compliant data providersOAI: list of some compliant data providers
ArchiveID DescriptionarXiv physics, mathematics, non-linear systems and computer scienceclinmed Clinical Medicine and Health Research NetprintsCSTC Computer Science Teaching Center
Digital library of peer-reviewed teaching resources for computer science educators
HUBerlin Humboldt University at Berlin/Germany Document Server NACA NACA Technical Report Server
Scanned reports of the National Advisory Committee for Aeronautics (1917-1958);the predecessor organisation to NASA.
NCSTRL Networked Computer Science Technical Reference LibraryNDLTD Networked Digital Library of Theses and DissertationsWCR Web Characterisation Repository
database of meta-information relating to trace files, tools and publications that are relevant to characterisation of the World Wide Web
February, 2001 11
OAI specs: some functionalityOAI specs: some functionality
List Identifiers List Records Get Record
– Example
http://arXiv.org/oai1?verb=GetRecord&metadataPrefix=oai_dc&identifier=oai:arXiv:cond-mat/0006408
February, 2001 12
Header: Identifier : oai:arXiv:cond-mat/0006408 Datestamp : 2001-01-31Metadata: oai_dc: title: Charge-ordering phase transition and order-disorder effects in the Raman spectra of NaV2O5 creator: Konstantinovic, M. J. creator: Isobe, M. creator: Ueda, Y. subject: Strongly Correlated Electrons; Disordered Systems and Neural Networks description: In the ac polarized Raman spectra of NaV2O5 we have found anomalous phonon broadening, and an energy shift of the low-frequency mode as a function of the temperature. These effects are related to the breaking of translational symmetry, caused by electrical disorder that originates from the fluctuating nature of the V {4.5+} valence state of vanadium. The structural correlationlength, obtained from comparisons between the measured and calculated Raman scattering spectra, diverges at T< 5 K, indicating the existence of the long-range charge order at very low temperatures, probably at T=0 K. date: 2000-06-26type: e-print identifier: http://arXiv.org/abs/cond-mat/0006408
February, 2001 13
Large, heterogeneous, multidisciplinary digital archives
CYCLADES Virtual Archive Environment
...
Common Interface
Archive2
ArchiveN
Archive1
Common Interface
Common InterfaceOAI Archives
data providers
service provider
CYCLADES: as a service providerCYCLADES: as a service provider
February, 2001 14
DIGITAL ARCHIVE
1
DIGITAL ARCHIVE
2
DIGITAL ARCHIVE
n...
Large, heterogeneous, multidisciplinary digital archives
Communities/Groups of users
Functional ViewFunctional View
CYCLADES Virtual Archive
Environment
User
Virtual Collection
Search&Browse Personalization RecommendationCollaboration
February, 2001 15
Virtual Collections (roughly)Virtual Collections (roughly)
Virtual Collection: a set of metadata records collected together, according to some criteria, from the archives + set of functionality over records
Archive1
Common Interface
Common Interface
Archive2
ArchiveN
Common InterfaceOAI
Archives
VC1 VC2
VC3
Virtual Collection
Exported data
February, 2001 16
Search & Browse (roughly)Search & Browse (roughly)
Search: typical Search using the virtual collection’s search fields (e.g. author, title, abstract)
Query formulation through browsing
VirtualCollection = “Logic”,Author = “Straccia”,Abstract = “Fuzzy Logic”
Search BrowseSchema Attribute
AuthorAuthorAbstractTitle...
CastelliCastelliStracciaThanos...
February, 2001 17
Personalization (roughly)Personalization (roughly)
User topics of interest maybe managed similarly to e-mail folders Service learns the user information needs automatically New data is classified into the right topic folder automatically
Information Retieval
Umberto’s folder Digital
LibrariesLogics for
Uncertainity and
Imprecision
Fuzzy Logic
Possibilistic Logic
Probabilistic Logic
February, 2001 18
Collaboration (roughly)Collaboration (roughly)
A shared working space can be created by groups referencing:– user documents– a virtual archive– recommendations, related links, annotations, ratings, …
VC
Shared working space
http://infohunter.iei.pi.cnr.it
Very interisting docTo be read
Based on BSCW(Basic Support for Cooperative Work)
February, 2001 19
Recommendation (roughly)Recommendation (roughly)
The user is automatically notified about new data that the system judges relevant
User prefs
+
Group prefs
= Recommendation
February, 2001 20
CYCLADES: Architecture (starting point)CYCLADES: Architecture (starting point)
Modular– Basic functionality are allocated on servers
Distributed – Servers maybe over the Web
Open – new services can easily be added
February, 2001 21
Recommendation Service
Collaborative Work Service
Personalization Service
Query & Browse Service
Cyclades Mediator Service
Collection Service
Access Service
OAI ArchivesArchiv
e1
Common Interface
Common Interface
Archive2
ArchiveN
Common Interface
US Side
EU Side
Users
February, 2001 22
Project Activities and Project Activities and ResponsibilitiesResponsibilities
February, 2001 23
WP1: User Requirements FORTH T1.1 Collection FORTH T1.2 Analysis FORTH
WP2: System Specification UNIDO T2.1: Functional Spec UNIDO T2.2: Architectural Spec UNIDO
WP3: System Development CNR T3.1: Mediator Service FORTH T3.2: Access Service UNIDO T3.3: Collection Service CNR T3.4: Personalisation Service CNR T3.5: Recommendation Service GMD T3.6: Collaborative Work Service GMD T3.7: Query&Browse Service UNIDO
WP4: Integration&Testing&Revision GMD T4.1: System Integration T4.2: System Testing T4.3: System Revision
W5: System Validation UNIDO T5.1 Performance Evaluation
WP6: System Experimentation GMD T6.1: Exp.1, within ERCIM T6.2: Exp. 2, ,within DELOS (NoE)
WP7: Dissemination&Exploitation CNR T7.1: Dissemination T7.2: Exploitation Planning
WP8: Cyclades-Oai Coordination CNR T8.1: Monitoring the Oai progresses
WP9: Project Management ERCIM T9.1: Technical Management T9.2: Administrative Management
February, 2001 24
Project ScheduleProject Schedule
February, 2001 25
WP1 User RequirementsT1.1 User Requirements CollectionT1.2 User Requirements Analysis
WP2 System SpecificationT2.1 Functional SpecificationT2.2 Architectural Specification
WP3 System DevelopmentT3.1 Mediator ServiceT3.2 Access ServiceT3.3 Collection ServiceT3.4 Personalisation ServiceT3.5 Recommendation ServiceT3.6 Collaborative Work ServiceT3.7 Query & Browse Mediator Service
WP4 System Integrating, Testing, RevisionT4.1 System IntegrationT4.2 System TestingT4.3 System Revision
WP5 System ValidationT5.1 System Performance Evaluation
WP6 System ExperimentationT6.1 IT Consortium ExperimentationT6.2 NoE Experimentation
WP7 Dissemination & ExploitationT7.1 DisseminationT7.2 Exploitation Planning
WP8 CYCLADES-OAi CoordinationT8.1 CYCLADES-OAi Coordination
WP9 Project ManagementT8.1 Scientific ManagementT8.2 Administrative Management
Y3/ 1Y1/ 1 Y1/ 2 Y2/ 1 Y2/ 2
1.2.2001 - 31.7.2001 1.2.2001 - 31.7.2003