Edward A. Fox Virginia Tech, Digital Library Research Laboratory [email protected]@vt.edu .
Collaboration on Digital Libraries Hofstra University Hempstead, NY Dec. 22, 2000 Edward A. Fox...
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Collaboration on Digital Libraries
Hofstra UniversityHempstead, NYDec. 22, 2000
Edward A. [email protected] http://fox.cs.vt.edu
CS DLRL Internet TICVirginia Tech, Blacksburg, VA, USA
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Acknowledgements (Selected)
Mentors: JCR Licklider, Michael Kessler, Gerard Salton Sponsors: Adobe, IBM, Microsoft, NLM, NSF, OCLC, SOLINET,
SURA, UNESCO, US Dept. of Ed. (FIPSE), … VT Faculty/Staff: Tony Atkins, Debra Dudley, John Eaton, Gwen
Ewing, Peter Haggerty, JAN Lee, Gail McMillan, Manuel Perez, Len Peters, James Powell, …
VT Students: Emilio Arce, Fernando Das Neves, Brian DeVane, Robert France, Marcos Goncalves, Scott Guyer, Robert Hall, Brian Hobbs, 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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URLs
http://fox.cs.vt.eduhttp://ei.cs.vt.edu/~dlib (Courseware)http://www.dlib.org (D-Lib Magazine)www.smete.org and later
www.nsf.gov/nsdlwww.ndltd.org and www.theses.orgwww.cstc.org (CSTC and JERIC)www.openarchives.orgwww.jcdl.org (JCDL’2001 – June 24-28)
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Digital Library Courseware
http://ei.cs.vt.edu/~dlib/ WWW pages or large PDF copy files CourseInfo quizzes based on books by Michael
Lesk (MKP.com) and William Arms (MIT Press) Contents based on books, with other popular
topics added (e.g., agents) Separate pages to supplement: Definitions,
Resources (People, Projects), and References
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JCDL 2001 First Joint ACM/IEEE Conference on
Digital Libraries (+ NSF DLI-2 PI mtg)
http://www.jcdl.org June 24-28, 2001 in Roanoke, VA Conference Committee: General Chair: Edward A. Fox, Virginia Tech Program Chair: Christine Borgman, UCLA Treasurer: Neil Rowe, Naval Postgraduate School Posters Chair: Craig Nevill-Manning, Rutgers U.
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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
(Slide from S. Griffin, NSF)
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PetaPlex Complex
FRONT END MACHINERS/6000, 1G RAM, 4 Proc.
Nanoserver
Nanoserver
Nanoserver
Nanoserver
Nanoserver
Nanoserver
Nanoserver
Nanoserver
Nanoserver
Nanoserver Nanoserver
Nanoserver
Nanoserver Nanoserver
Service
Machine 1
Service
Machine 2
Service
Machine 3
Service
Machine 4
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PetaPlex
Digital Library Machine (“super” object store): Parallel computer / storage utility
Research: inverted files, video server, … (supported by IBM, AOL, NSF, …)
Knowledge Systems Incorporated is supplying VT-PetaPlex-1 with 2.5 terabytes through 100 nodes:
Net connection + 25GB disk + 233 MHz Pentium + Linux
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MARIAN
Multiple Access Retrieval of Information with Annotations
(Marian the Librarian …) Evolved from CODER system to a distributed
Online Public Access Catalog (OPAC), then DL backend, now becoming a full DL system
From C/C++ to Java Future: NDLTD, NUDL, PetaPlex Use for campus collection management Use for www.theses.org as centralized system with
gateway services: OAI, Harvest, Z39.50, …
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MARIAN Layers
Database Layer
Search Engine Layer
User Information Layer
User Interface Layer
User User User User
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MARIAN Parallelism
Java part response time vs. query rate comparation
(type 1 requests)
01000200030004000
0 100 200 300 400 500
query rate (#/min)
resp
onse
tim
e (m
s)
all modules in one machine one "webgate"
two "webgate"s four "webgate"s
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GermanPhysDis
Collection
5SL Source
Description
wrapper wrapper
Harvestprotocol
VT OAI
Collection
MARIAN/DEByE Mediation Middleware
MIT ETDCollection...
Open Archives
protocol
wrapper...Dienst
protocol
SOIF
DublinCore RFC1807
NDLTD/NUDL/Digital Library User
Queries + Results
Belief Network LayerFusion Layer
Additional Evidential
Information
GreekHellenic Dissertations
Collection
wrapper
MARCZ39.50
protocol
WrapperGenerator
Local Data Store
Search ServicesRecommendation Services, etc
AnalysisIndexingLinking
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ENVISION
NSF “A User-Centered Database from the Computer Science Literature” (1991-93)
Collected bib/typesetter data, converted to SGML Scanned thousands of page images MARIAN search engine - can be made available (also
applied to the Virginia Tech library catalog) used as part of a prototype object-based DL, with tailored visualization interface (L. Nowell dissertation)
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DL-Related Timeline
1985
CoRR
DLI
ETDs
1990xxx
1995
XML
OAI
2000
NCSTRL
ProposedUgrad DL(Envision, EI)
NDLTD
DLI2
HyperCard
TEI
SGML
PCs
Hypertext Conf. DC RDF
CSTR
NSDL(CSTC, iLumina,…)
ScholarlyEPub in U’s
JPEG, MPEG MPEG-7
WWW
Java
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Borgman et al.:Workshop Report onSocial Aspects ofDigital Libraries: http://www-lis.gseis.ucla.edu/DL/
InformationLifeCycle
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Core of DL Collecting
– Authoring, Repositories, Archives, Museums, … Organizing
– Packaging of Data and Metadata, Storing– Naming/Identifying and Cataloging– Classification, Clustering, …
Serving– Indexing, Linking, Summarizing, Visualizing– Browsing, Accessing, Searching, Filtering,
Retrieving, Distributing, Using, …
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Digital LibrariesShorten the Chain from
Editor
Publisher
A&I
Consolidator
Library
Reviewer
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DL = Users Direct(Organized Artifact Mediated Communication)
Author
Reader
Digital
LibraryEditor
Reviewer
Teacher
Learner
LibrarianDr. Patient
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Author toolswww.physik.uni-oldenburg.de/EPS/mmm
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A Digital Library Case Study
Domain: graduate education, research
Genre: ETDs = electronic theses & dissertations
Submission: http://etd.vt.edu
Collection: http://www.theses.org
Project: Networked Digital Library
of Theses & Dissertations http://www.ndltd.org
(NDLTD – remember: ND LTD / NDL TD) (also, newer NUDL:
Networked University Digital Library, with e-courseware, etc.)
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Status of the Local Project Approved by university governance Spring
1996; required starting 1/1/97 Submission & access software in place Submission workshops for students (and
faculty) occur often: beginner/adv. Faculty training as part of Faculty Development
Initiative Over 3000 ETDs in collection
– Some have audio, video, large images, software, …– Millions of accesses/yr – 100s to 1000s per work
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What are the long term goals?
Attract all TDs/yr: 50K D-US, 25K D-Germany, 10K TD-Canada, …
>200K/yr rich hypermedia ETDs that may turn into electronic portfolios (images, video, audio, …)
Dramatic increase in knowledge sharing: literature reviews, bibliographies, …
Services providing lifelong access for students: browse, search, prior searches, citation links
Hundreds/thousands of downloads / year / work
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Student Gets CommitteeSignatures and Submits ETD
Signed
Grad School
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Library Catalogs ETD, Access isOpened to the New Research
WWW
NDLTD
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US University Members (44) Penn. State University Rochester Institute of Tech. U. of Colorado Health Science Center U. of Florida U. of Georgia University of Hawaii, Manoa U. of Iowa U. of Kentucky U. of Maine U. of North Texas – required since 8/99 U. of Oklahoma U. of South Florida U. of Tennessee, Knoxville U. of Tennessee, Memphis U. of Texas at Austin – required in 2001 U. of Virginia U. Wisconsin - Madison Vanderbilt U. Virginia Commonwealth U. Virginia Tech - required since 1/97 West Virginia U. - required fall 1998 Western Michigan U. Worcester Polytechnic Inst.
Air University (Alabama)Baylor UniversityBrigham Young University (part, whole)CaltechClemson UniversityCollege of William & MaryConcordia University (Illinois)East Carolina UniversityEast Tenn. State U. – require fall 2000Florida Institute of TechnologyFlorida International UniversityGeorge Washington UniversityLouisiana State UniversityMarshall University (W. Va.)Miami University of OhioMichigan TechMississippi State UniversityMITNaval Postgraduate School (CA)New Mexico TechNorth Carolina State University
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National / Regional Projects Australia
– U. New South Wales (lead)– U. of Melbourne– U. of Queensland– U. of Sydney– Australian National U.– Curtin U. of Technology– Griffith U.
Germany– Humboldt University (lead)
– 3 other universities
– 5 learned societies: Math, Physics, Chemistry, Sociology, Education
– 1 computing center
– 2 major libraries
Consorci de Biblioteques Universitàries de Catalunya, as group, www.cbuc.es:– Universitat de Barcelona– Universitat Autonòma de Barcelona– Universitat Politècnica de Catalunya– Universitat Pompeu Fabra– Universitat de Girona– Universitat de Lleida– Universitat Rovira i Virgili– Universitat Oberta de Catalunya– Biblioteca de Catalunya
OhioLink South Africa: ECHEA/SEALS India, Portugal, …
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Other Countries with Members
Belgium Brazil Canada Germany Hong Kong India Italy Korea Mexico
Netherland Norway Russia Singapore S. Africa S. Korea Spain Taiwan UK
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Build Local ETD Site
Digital Library
Policies
Inspection/Approval
Workshop/Training
ETD
ETD
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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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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 as 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 www.dlib.org/smete/public/smete-public.html; www.smete.org]
iLumina: NSF NSDL grant with COLLEGIS Research Institute/Eduprise, UNCW, TCNJ, …
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Browsing (1)
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Browsing (2)
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(From Lee Zia, NSF) Programmatic History
Digital Libraries Initiative (DLI 1) - NSF/NASA/ARPA, FY 94-97
DLI 2 - NSF, et al., initiated in FY 98, continuing
Education FY 98-99
DLI 2 Special Emphasis in Undergrad
NSDL ProgramNSF: FY 00-02
DL
Operational
Fall, 2002DLs & UG Earth Systems Educationinitiated FY 99, continuing
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Expectations of Tracks Core Integration: to coordinate a distributed alliance of
resource collection and service providers, and to ensure reliable and extensible access to and usability of the resulting network of learning environments and resources
Collections: to aggregate and actively manage a subset of the digital library’s content within a coherent theme or specialty
Services: to increase the impact, reach, efficiency, and value of the digital library in its fully operational form
Targeted Research: to have immediate impact on one or more of the other three tracks
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Tracks & 29 Projects 6 Core Integration: Columbia, Cornell,
E.Michigan/MERIT, UCAR, UCB, U-Missouri/NCSA (Biology, Eng., Teacher Ed.)
13 Collections: Atmosphere, Biology, Biosciences, Earth Systems, Engineering, Health Sciences, Math
9 Services: Competitive Intelligence, Component Environment, Earth Systems J., Metadata NLP, Managing LOs, Peer Review, Video
1 Targeted Research: Paths
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NSDL Spine
full-servicecollectionsfull-servicecollectionsNSDLCollections
referenceditems &
collections
referenceditems &
collections
ReferencedItems &
Collections
NSDLServicesNSDL
ServicesOther NSDLServices
CI Services
discussion
CI Services
personalization
CI Services
topic-map registry
CI Services
query transform
Core Collection- Usage Services
annotation
Core Collection-Building Servicesprotocol mediation
Core Collection-Building Services
persistence
Core Collection-Building Services
harvesting
Portals &Clients
Portals &Clients
Portals &Clients
(Slide from Dave Fulker, Bill Arms – 11/2/2000)
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Our Collaboration for NSDLPARTNERS
Hofstra Villanova Penn State (with NEC RI) Virginia Tech
ACM, IEEE-CS, Morgan Kaufmann, …
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Our Collaboration for NSDLFUNDING
$1M for 2 years, starting 9/1/2001 - NSF $225K: Hofstra (1 GRA, 1 PI) $175K: Villanova(1 GRA, 1 PI) $175K: Penn State(1 GRA, 1 PI) $425K: VT (4 GRAs, 3 PIs: Fox, Lee, Perez)
ACM, IEEE-CS, Morgan Kaufmann, …
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Our Collaboration for NSDLSTRENGTHS
PetaPlex, MARIAN, NDLTD, CSTC, JERIC SIGCSE: SIG, Conference, Bulletin History as integrating theme; adding demos Special support for Hispanic community Niche portals, search engines, links across
collections, citation data --- for levels: undergrad, high school, middle school, etc.
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Our Collaboration for NSDLPROPOSAL PLAN
Student project completed Fall 2000 Kate will continue in Spring 2001 through an
independent study Meetings: John visited VT, Boots and I visit
Hofstra today, I visit NEC RI 12/27, John visits VT again, …
Get support letters, refine proposal, …
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Our Collaboration for NSDLDOCUMENTS
“Computing Digital Library (CoDL)” Packet prepared by student group See their slides next Contents:
– Project report
– CoDL proposal outline
– Proposals from some successful NSDL groups