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![Page 1: Digital Libraries and the Open Archives Initiative Louisiana State University June 30, 2000 Edward A. Fox fox@vt.edu CC CS DLRL Internet.](https://reader035.fdocuments.us/reader035/viewer/2022062516/56649ddf5503460f94ad8c13/html5/thumbnails/1.jpg)
Digital Librariesand the
Open Archives Initiative
Louisiana State UniversityJune 30, 2000
Edward A. Fox
[email protected] http://fox.cs.vt.edu
CC CS DLRL Internet TIC
Virginia Tech, Blacksburg, VA, USA
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Acknowledgements (Selected) Sponsors: ACM, Adobe, ARL, Belgian Science Found., CLIR,
DARPA, IBM, LANL, Microsoft, NSF, OCLC, SPARC, US Dept. of Ed. (FIPSE), …
VT Faculty/Staff: Tony Atkins, Thomas Dunbar, John Eaton, Gwen Ewing, Peter Haggerty, Gary Hooper, Gail McMillan, Len Peters, James Powell, …
VT Students: Emilio Arce, Fernando Das Neves, Brian DeVane, Robert France, Marcos Goncalves, Scott Guyer, Robert Hall, Neill Kipp, Paul Mather, Tim McGonigle, Todd Miller, Constantinos Phanouriou, William Schweiker, Ohm Sornil, Hussein Suleman, Patrick Van Metre, Laura Weiss, …
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Virginia Tech Background
Largest university in Virginia, land-grant, football, town population 35K plus 25K students
Blacksburg Electronic Village, since 1992, with > 80% of community on Internet
Net.Work.Virginia, largest ATM network, with over 750 sites, for education, research, government
LMDS, Local Multipoint Distribution Service, gigabit wireless networking - 1/3 of Virginia
Math Emporium, 500 workstations Faculty Development Initiative, round 2 Hosting First Joint Conference on Digital Libraries,
www.jcdl.org, Summer 2001 @ Hotel Roanoke, VA
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Remember!
Digital libraries introduction
Digital libraries to enhance learning
OAi (help establish enormous international cooperative of data and service providers)
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Digital Libraries
SGML (1985)
PDF(1992)
NSF DLI (1994)
LibraryCancellations
(1988)
UniversityScholarlyElectronic
Pub. (1988)
Info.Literacy(1995)
ImprovingEducation Internet
(1984)
WWW(1994)
Multimedia(1986)
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Digital LibrariesShorten the Chain from
Editor
Publisher
A&I
Consolidator
Library
Reviewer
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DLs Shorten the Chain to
Author
Reader
Digital
LibraryEditor
Reviewer
Teacher
Learner
Librarian
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How do universities anddigital libraries relate?
Each U. will have its own digital libraries. Hence there will be large numbers (i.e., critical mass).
All students will learn how to use and how to “feed” digital libraries (and bring those habits to future work as needs and skills).
All digital library problems (esp. federation, flexibility, personalization) appear at U’s (so they are a good type of testbed, with willing collaborators in-place for developing solutions).
Start with NDLTD, extend to NUDL
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Digital Libraries --- Virginia Tech
MARIAN (NLM) CS DL Prototype - ENVISION (NSF, ACM) TULIP (Elsevier, OCLC) BEV History Base (NSF, Blacksburg) DL for CS Education - EI (NSF, ACM) WATERS, NCSTRL (NSF) NDLTD (SURA, US Dept. of Education) CSTC (NSF, ACM), CRIM (NSF, SIGMM) WCA (Log) Repository (W3C) VT-PetaPlex-1 (Knowledge Systems)
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NCSTRL
http://www.ncstrl.org Networked Computer Science Technical
Reference Library CS Technical Reports 1994 merger of CSTC + WATERS 1998 integration with LANL server (CoRR) Federated search, mirrors, Dienst protocol
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Digital Libraries --- Objectives
World Lit.: 24hr / 7day / from desktop Integrated “super” information systems: 5S:
streams, structures, spaces, scenarios, societies Ubiquitous, Higher Quality, Lower Cost Education, Knowledge Sharing, Discovery Disintermediation -> Collaboration Universities Reclaim Property Interactive Courseware, Student Works Scalable, Sustainable, Usable, Useful
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Benefits
Ease of use Effectiveness
“The benefits of digital libraries will not be appreciated unless they are easy to use effectively.” - IITA Workshop report
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DLs: Why of Global Interest? National projects can preserve antiquities and
heritage: cultural, historical, linguistic, scholarly Knowledge and information are essential to
economic and technological growth, education DL - a domain for international collaboration
– wherein all can contribute and benefit– which leverages investment in networking– which provides useful content on Internet & WWW– which will tie nations and peoples together more
strongly and through deeper understanding
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DL Challenges
Preservation - so people with trust DLs
Supporting infrastructure - networks, ...
Scalability, sustainability, interoperability
DL industry - critical mass by covering libraries, archives, museums, corporate info, govt info, personal info - “quality WWW” integrating IR, HT, MM, ...
– Need tools & methods to make them easier to build
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Computing (flops)Digital content
Com
mun
icat
ions
(ban
dwid
th, c
onne
ctiv
ity)
Locating Digital Libraries in Computing andCommunications Technology Space
Digital Libraries technologytrajectory: intellectualaccess to globally distributed information
less more
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D ig ita l L ib ra r y C o n te n t
A rtic le s ,R e p o rts,
B o o ks
T e xtD o cum e n ts
S p ee ch ,M u s ic
V id eoA u d io
(A e ria l)P h o tos
G e og rap h icIn fo rm ation
M o d e lsS im u la tio ns
S o ftw a re ,P ro g ra m s
G e no m eH u m a n,a n im a l,
p la n t
B ioIn fo rm ation
2 D , 3 D ,V R ,C A T
Im ag es a ndG ra p h ics
C o n te n tT yp e s
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Definitions
Library ++ (library+archive+museum+…) Distributed information system + organization
+ effective interface User community + collection + services Digital objects, repositories, IPR management,
handles, indexes, federated search, hyperbase, annotation
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Definition: Digital Libraries are complex systems that
help satisfy info needs of users (societies) provide info services (scenarios) organize info in usable ways (structures) present info in usable ways (spaces) communicate info with users (streams)
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5S Layers
Societies
Scenarios
Spaces
Structures
Streams
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Document Models, Representations, and Accesses
Doc = stream + structure + use-scenario; hybrid (paper/electronic), digital only
Multilingual: content, summary, metadata Multimedia: structure, quality (oS), search Structured: MARC, SGML, by user: MVD Distributed collection: Kleisli, CIMI, Z39.50 Federated search: collecting, picking site(s),
parallel search / fall-back, fusing results Access: IPR, payment, security, scenarios
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Architectural Issues
Internet middleware Independent system / part of federation Decompositions vary
– search engine, browser, DBMS, MM support– repository, handle server, client– information resources + mediators, bus or agent
collection + client with workspace/environment Metrics: e.g., for federated search
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Standards
Protocols/federation– Z39.50, CIMI– Dienst, NCSTRL– OAi protocol
Metadata– TEI: inline, detailed (structure in stream)– MARC: two-level, fine-grained– Dublin Core: high-level, 15 elements– RDF: describing resources/collections, annotation– OAMS and others used in OAi
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Remember!
Digital libraries introduction
Digital libraries to enhance learning
OAi (help establish enormous international cooperative of data and service providers)
![Page 24: Digital Libraries and the Open Archives Initiative Louisiana State University June 30, 2000 Edward A. Fox fox@vt.edu CC CS DLRL Internet.](https://reader035.fdocuments.us/reader035/viewer/2022062516/56649ddf5503460f94ad8c13/html5/thumbnails/24.jpg)
Enhancing Learning with DLs
DigitalLibraries
In te rac tiveExperiences
E n hanc ingL earning
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N D L T DN e tw o rke d D L
o f Th e se s &D isse rta tio ns
S tu de n t P o rfo liosS e lf-A rch iv ing
G ra y L ite ra tu re(D e p t. o f E d u c .)
W 3 C W C AR e p o s ito ry
L o g s, T oo ls,P u b lica tio ns
C S T CC S
T e a ch ingC e n te r
C R IMC u rricu lu mR e so u rcesIn te r. M M
C o m p u te rS c ie n ce
(w ith N S Fa n d A C M )
DigitalLibraries
In te rac tiveExperiences
E n hanc ingL earning
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Enhancing Learning with DLs
DigitalLibraries
A u tho ring(te x t, m ark u p ,h yp erm ed ia ,
ca ta lo g in g -D C )
S u b m itt ingW o rk (E T D )(M eta da ta ,P D F , X M L)
P re s erv ing(u s in g s td s,m ig ra tin g ,
ve rs ion in g )
A dd ing toD ig ita lL ib ra ry
(s tu de n t)
D isc o v e rin g ,B ro w s in g ,S e a rch in g ,R e trie v ing
A nn o ta tin g ,D o w n lo ad in g ,
In s ta llin g ,F e e db a ck
5 S F ra m e w o rk:S o c ie tie s ,S c e na rio s,
S tre am s,S p ac e s,S tru ctu res
U s in gD ig ita l L ib ra ry
(d ire c t)(in fo lite ra cy)
In d ire c tly U s ingD ig ita l L ib ra ry(e m b ed de d ,b y ag en t, . . .)
U s in g D LC o n ten ts (to o ls,d a ta se ts , en v 's,co u rse w a re , . . .)
C o lla bo ra tion(in /a ro u nd D L
a n d its a rt ifa c ts -d is tan c e e du c .)
O th erIn te rac tiveL e arn ingA c tiv it ies
In te rac tiveExperiences
E n hanc ingL earning
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NSF Education Innovation (EI)
NSF “Interactive Learning with a Digital Library in Computer Science” (1993-98)
45 online courses (esp. Internet, IR, MM, Professionalism, overall EI project pages): 100+K accesses/wk
Tools: SWAN (visualization), QUIZIT Evaluation
– traditional– network logging and analysis– tools for visualization
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Digital Library Courseware
http://ei.cs.vt.edu/~dlib/ WWW pages or large PDF copy files Online quizzes based on book by Michael Lesk
(Morgan Kaufmann Publishers) Contents based on book, with several other
popular topics added (e.g., agents) Separate pages to supplement: Definitions,
Resources (People, Projects), and References
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CS -> CSTC -> CRIM NSF and ACM Education Committee are funding
a 2 year project “A Computer Science Teaching Center” - CSTC - http://www.cstc.org/
College of NJ, U. Ill. Springfield, Virginia Tech Focus initially on labs, visualization, multimedia Multimedia part is also supported by a 2nd grant
to Virginia Tech and The George Washington University: http://www.cstc.org/~crim/ (with curricular guidelines also under development)
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CS Teaching Center (CSTC) Instead of building large, expensive multimedia packages, that become
obsolete and are difficult to re-use, concentrate on small knowledge units.
Learners benefit from having well-crafted modules that have been reviewed and tested.
Use digital libraries to build a powerful base of support for learners, upon which a variety of courses, self-study tutorials & reference resources can be built. [See NSF NSDL - National Science (math, engineering, technology education) Digital Library (formerly SMETE-lib) at http://www.dlib.org/smete/public/smete-public.html]
ACM Education Board and SIG support, new NSF grant with COLLEGIS Research Institute and others …
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Browsing (1)
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Browsing (2)
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CRIM Rationale
MM field needs properly trained personnel Support this with resources + curricula Together these help us move toward a DL
for Interactive MM -> CS -> NSDL Benefits will go to teachers (who have more
to build upon) and students (who will have a richer environment for learning
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CRIM Project Activities
Workshops, other ways to involve community WWW site including DL in CSTC re MM
– Devised cataloging schema, designed interface
– Referring to all MM syllabi and curriculum
– Inviting learning resources for the CRIM DL, with reviews, reuse certifications
Publish report on MM curriculum through ACM and IEEE, after careful review
Introducing into CC2001: information retrieval, hypertext/hypermedia, multimedia, digital libraries
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Curriculum Resources in Interactive Multimedia (CRIM)
MM field needs properly trained personnel Support this with resources + curricula Benefits will go to teachers (who have more to
build upon) and students (who will have a richer environment for learning
CSTC, CRIM have led to ACM Journal of
Educational Resources in Computing, JERIC Together these help us move forward: DL for
Interactive MM -> CS -> NSDL
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SMETE Library -> NSDL(from www.dlib.org to NSF DLI-2)
Context: Global movement toward Digital Libraries (see April 1998 CACM)
NSF effort: Science, Mathematics, Engineering, and Technology Education Digital Library (focussed on undergraduates)– 3 workshops, yearly increasing funds / new calls
NSDL will operate as a distributed federation, with separate parts for each key discipline, and should lead to a global effort.
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Selected NSDL Projects/Topics
COLLEGIS Res. Inst. IMS, CS, Math, Viz., …
Columbia University Earth sciences
Stanford University Medicine (images)
U. California Berkeley Engineering
University of Maryland K-12 education
U. Texas at Austin Physical anthropology
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Remember!
Digital libraries introduction
Digital libraries to enhance learning
OAi (help establish enormous international cooperative of data and service providers)
![Page 42: Digital Libraries and the Open Archives Initiative Louisiana State University June 30, 2000 Edward A. Fox fox@vt.edu CC CS DLRL Internet.](https://reader035.fdocuments.us/reader035/viewer/2022062516/56649ddf5503460f94ad8c13/html5/thumbnails/42.jpg)
OAi Philosophy
Self-archiving = submission mechanismLong-term storage system = archiveOpen interface = harvesting mechanismData provider + service providerStart with “gray literature”
– e-prints/pre-prints, reports, dissertations, …
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Tiered Model of Interoperability
Mediator services
Metadata harvesting
Document models
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Repository of Digital Objects
RepositoryAccessProtocol
handle
Digital object
terms and conditions
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Open Archives initiative History
xxx at LANL = Los Alamos National Laboratory (Ginsparg) for high-energy physics - 1991
CSTR + WATERS = NCSTRL (Lagoze) - 1994 xxx + NCSTRL = CoRR collaboration - 1998 UPS (Universal Preprint Service) – 1999 mtg
– Herbert Van de Sompel (U. Ghent, SFX) …– Dublin Core (DC), XML– Dienst protocol and software (Lagoze)
Renamed late 1999 as OAi
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Open Archives (protoproto)
ArXiv & Los Alamos National LabCogPrints & U. SouthamptonNACA & NASA (reports)NCSTRL & Cornell U.NDLTD & Virginia TechRePEc & U. SurreyTotal of around 200K records
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Original Open Archives Members Caroline Arms, Library of Congress Leslie Carr, University of Southampton Mark Doyle, American Physical Society Dale Flecker, Harvard University Edward A. Fox, Virginia Tech Michael Friedman, HighWire Press, Stanford U. Paul M. Gherman, Vanderbilt U. & SPARC Paul Ginsparg, Los Alamos National Lab. & xxx Stevan Harnad, University of Southampton Thomas Krichel, University of Surrey & RePEc Carl Lagoze, Cornell University …
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Original Open Archives Memberscont’d
Rick Luce, Los Alamos National Laboratory Clifford Lynch, Coalition for Networked Info. Kurt Maly, Old Dominion University Michael Nelson, NASA Langley Research Center John Ober, California Digital Library Bob Parks, Washington University & EconWPA Herbert Van de Sompel, University of Ghent Eric F. Van de Velde, Caltech Don Waters, The Andrew W. Mellon Foundation Ken Weiss, California Digital Library
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Open Archives Future EconWPA (U. Washington) e-biomed -> PubMed Central (NIH) PubScience (DOE) Clinical Medicine Netprints (+ other HighWire Press holdings ) University ePub (California Digital Library) All public e-prints (MIT) Scholar’s Forum (Caltech) Int’l: CERN, Germany, India, Mexico, … Goal: millions of books/articles/reports / yr
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Approaches to Open Archives
Build ByDiscipline
Build By Institution
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Approaches to Open Archives
Build ByDiscipline
Build By Institution
AuthorCategoryInterdisciplinaryYearLanguageQuery …
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Open Archives initiative (OAi) xxx@LANL, high-energy physics (Ginsparg, 1991) CSTR + WATERS = NCSTRL (Lagoze,1994) xxx + NCSTRL = CoRR collaboration (1998) Universal Preprint Service protoproto, Oct. 21-22, 1999, Santa Fe
– led by LANL, CNI, DLF, Mellon --> OAi Santa Fe Convention (see Feb. D-Lib Magazine article) Follow-on mtgs: 6/3@San Antonio, 9/21@Lisbon (ECDL) Archives -> Open Archives
– Support unique archive identifiers– Implement Open Archives Metadata Set (DC-based, using XML)– Implement Dienst harvesting interface (based on Dienst protocol)– Register the archive
Build tools, layer other services: linking, searching, …
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Figure 1. Layers Related to Open Archives Initiative
Services
…
Search/Browse
Authoring Citation Checking Submission
Metadata Creation
Editorial: Reviewing, Certification
Registry
Archives: Name, ID, Description, Terms and Conditions, …
Metadata Formats: Name, XML DTD, …
…
Archive Formats: Name, Standard, Preservation Process, …
Protocols Tools
Services
Copy-Edit / Add Value Citation DB Updating
Authority Control
Preservation Conversion
Text/MM Editing
Gazetteer Cataloging
Collaboration
Annotation
Summarization
Citation / Linking
SFX
CiteSeer
Repository NCSTRL Repository
…
EconWPA Repository
RePEc Repository
Repository for NDLTD Open Archives Harvesting Protocol
Metadata Formats: OA Metadata Set, NDLTD Standard (DC-based) Set
Transaction Log
Training Resources
VT Partition
Record (Metadata)
Record (Full Content)
… …
UVA Partition
Metadata Content
Caltech Partition
Metadata Content
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Mechanisms Sharing
– Join federation, run software– Make metadata and archive available
Aggregating– By discipline– By institution– By genre
Automating– Workflow– Harvesting and providing services– Federated searching– Dynamic linking (e.g., with SFX)
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Report on Open Archives work in
progress atVirginia Tech
With students:Hussein Suleman ([email protected])Dave Watkins ([email protected])
Robert France ([email protected])Marcos Andre Goncalves ([email protected])
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VT View of the Open Archives initiative (OAi)
Enable sharing of publication metadata and full-text by digital libraries
Standardize low-level mechanisms to share contents of libraries
Build higher-level user-centric and administrative services in meta-libraries
Install organizational mechanisms to support the technical processes
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Virginia Tech Projects
MARC XML-DTD Computer Science Teaching Centre (CSTC) W3C Web Characterization Repository OAi Repository Explorer Networked Digital Library of Theses and
Dissertations (NDLTD)
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MARC XML-DTD
XML Transport format for US-MARC records
Standardized metadata exchange format for traditional library services joining OAi
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CS Teaching Center (CSTC)
Collection of reviewed online resources used to aid in teaching of Computer Science
Supports author submission and peer-review process for new ACM Journal of Educational Resources In Computing (JERIC)
Connected with NSDL (NSF 00-44)
http://www.cstc.org
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W3C Web Characterization Repository
Online database of metadata related to publications, tools and data sets dealing with Web characterization
Project of the Web Characterization Activity working group of the World-Wide-Web Consortium (www.w3c.org/WCA)
http://purl.org/net/repository
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OAi Repository Explorer
Serves as a compliancy testAllows browsing of open archives using only OAi
protocolSends requests on behalf of user, parses and
checks responses and displays browsable interfaceWill detect most discrepancies in protocol
http://purl.org/net/explorer
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NDLTD
Work has begun on interoperability between Virginia Tech and partners in Germany
Wrappers have been created to harvest data from remote sites which use other protocols
Harvested data to be stored in a central OAi-compliant database (work in progress)
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Extending Services - 1 of 2
Working with publishers
– Motivate students: awards, …
– Publicize support of NDLTD ACM, ACS, IEEE-CS, Elsevier, …
– Allow students to increase level of access Arranging preservation
– Mirroring worldwide
– Involving long-term trusted parties
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Extending Services - 2 of 2
Adding services currently prototyped– annotation and SDI (routing) capabilities
– Dublic Core metadata, crosswalk to MARC
– support for XML, *ML, preservation
– harvesting, federated search
Adding other services planned– building/using citation DB (CiteSeer, SFX, …)
– implementing plagiarism check (like “SCAM”)
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Remember!
Digital libraries introduction
Digital libraries to enhance learning
OAi (help establish enormous international cooperative of data and service providers)