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![Page 1: Digital Libraries from Theory to Framework to Application: 5S Model, Open Archives Initiative, and Networked Digital Library of Theses and Dissertations.](https://reader035.fdocuments.us/reader035/viewer/2022062421/56649e125503460f94afe285/html5/thumbnails/1.jpg)
Digital Libraries from Theory to Framework to Application:
5S Model, Open Archives Initiative, and Networked Digital Library of
Theses and Dissertations
December 6, 2000 --- Seoul
Edward A. Fox
[email protected] http://fox.cs.vt.edu
CS DLRL Internet TIC
Virginia 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, Thomas Dunbar, Debra Dudley,
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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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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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 900 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 Torgersen Hall, $30M Advanced Communications and Information
Technology Center, opening, w. DLRL
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Internet TechnologyInnovation Center
Supported by Virginia’s Center for Innovative Technology
Statewide University Partners - Governing Board:
Christopher Newport University– William Winter, William Muir, Virginia Electronic Commerce Technology Center /
Southeastern Virginia Network (VECTEC/SEVAnet)
George Mason University– Scott Martin, Internet Multimedia Center (ICM)– Steven Ruth, International Center for Applied Studies in IT (ICASIT)
University of Virginia– Alf Weaver, Internet Commerce Group (InterCom)– Jim French, Internet Digital Library
Virginia Tech– Edward Fox, Digital Library Research Laboratory (DLRL), CC, CS– Scott Midkiff, Center for Wireless Telecomm. (CWT), VTISC, ECpE
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ITIC @ VTResearch Areas
Collaboration (e.g., group decision support) Community networking (e.g., BEV) Internet access (e.g., statewide network) Information services (e.g., digital libraries) Modeling and simulation (e.g., Web traffic) Usability (e.g., human factors engineering) Virtual environments (e.g., CAVE, visualization)
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OUTLINE
Introduction, Grand ChallengeDefinitions, 5SOAINDLTDMARIAN, ENVISIONPetaPlexFor more information
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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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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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Libraries of the FutureJCR Licklider, 1965, MIT Press
World
Nation
Province
City
Community
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DL-Related Timeline
1985
CoRR
DLI
ETDs
1990xxx
1995
XML
OAI
2000
NCSTRL
ProposedUgrad DL
NDLTD
DLI2
HyperCard
TEI
SGML
PCs
Hypertext Conf. DC RDF
CSTR
NSDL
ScholarlyEPub in U’s
JPEG, MPEG MPEG-7
WWW
Java
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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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D ig ita l L ib r a ry C on te n t
A r ticle s,R e po r ts,
B o o ks
T e xtD o cum e n ts
S p ee ch ,M u s ic
V ideoA ud io
(A er ia l)P h o tos
G eo gra ph icIn fo rm ation
M od e lsS im u la tio ns
S o ftw are ,P rog ram s
G e no m eH u m a n,a n im a l,
p lan t
B ioIn fo rm ation
2 D , 3 D ,V R ,C A T
Im ag es a ndG ra ph ics
C o nte n tT yp es
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Structured Video Browser(making video into hypermedia)
www.learn.umd.edu
IBrowse
Expository multimedia Narrative Structures
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ICUInformation and CommunicationUniversity
Users Web Search Engines
WWW
Servlet Engine
Web Server
OSDB
Search Server
Servlet Servlet ServletMPEG-7
DescriptionModule
1
2
3
4
5
3’
4’
5’
MPEG-7 Image Library Systems Tech. M
PE
G-7 Im
age Library System
s
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MP
EG
-7 Video Library S
ystems T
ech.
ICUInformation and CommunicationUniversity
MPEG-7 Video Library Systems Tech.
Video Data
Description GeneratorDescription Schemes
Design Tool
DescriptionScheme
MetaDatabase
VideoDatabase
Retrieval ServerModule
PlayerP
resentation
Module
Architecture
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Integrated Integrated CCLINC CCLINC Translingual Information SystemTranslingual Information System
Integrated Integrated CCLINC CCLINC Translingual Information SystemTranslingual Information System
DARPA
Extraction
What is th
e north korean
movement in th
e front li
ne?
CCLINC SERVER
Info Detection
Summarization
It seems that North Korea launch a missile againAfter North Korea launched a Daipodong missilelast month, NK is perceived to proceed to an additionaltest launch. Korea, US and Japan enter into an alertstate, and prepare for a joint response policy. Korea estimates that the additional launch will be on 09/05. Japan estimates that NK’s missile range is short. USinformation says that there is no sign of launch yet.
Translation
What is th
e status of nk
missile la
unch against japan?
BugHanI IlBonE Ddo MiSaIlEul
BalSaHan Deus HaDa
2-w
a yS
pe e
c h T
ran
s ati
on
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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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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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Borgman et al.:Workshop Report onSocial Aspects ofDigital Libraries: http://www-lis.gseis.ucla.edu/DL/
InformationLifeCycle
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Grand Challenges Can
Mobilize the community Spur creativity Lead to important benefits in society Push researchers to develop relevant theories Force people to work in teams/groups Convince funding agencies to invest Help bring about integration of systems,
interoperability, and seamless interfaces
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DL Challenges
World Digital Library (Libraries) Preservation - so people with trust DLs Scalability, sustainability, interoperability (Supporting infrastructure - networks, …) 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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Licklider – Unified Theory?
Not ready in 1960s Analog – unified field theory in physics “Mess” today – segmented field, specialities
– Database <-> Knowledge <-> Content Mgmnt– Multimedia, Hypermedia, Hypertext– Logic, Algebra, Artificial Intelligence, …
Expensive, annoying for users– Don’t know where to look– Don’t know how to use services
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OUTLINE
Introduction, Grand ChallengeDefinitions, 5SOAINDLTDMARIAN, ENVISIONPetaPlexFor more information
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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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Definition: 5S Framework Societies: interacting people (, computers) Scenarios: services, functions, operations, methods Spaces: domains + constraints (e.g., distance,
adjacency): 2D, vector, probability Structures: relations, trees, nodes and arcs Streams: sequences of items (text, audio, video,
network traffic) (5 Element System: Fire, Wood, Earth, Metal, Water)
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5S: Combinations
Societies + Scenarios = user model Societies + Scenarios + Spaces = user interface Streams + Structures = markup Streams + Structures + Scenarios = object Structures + Scenarios = DBMS
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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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DL Components
User Interfaces
Workflow Mgr
DBMS
Search Engines, Classifiers, …
Data, MM Info
Gateways
Repository
Rights Mgr
MM/ HT Renderer
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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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(2 slides from Lee Zia, NSF)Presidential Directive - 12/17/1999
Subject: Use of Information Technology to Improve Our Society
“13. The Secretary of the Smithsonian Institution, the Director of the National Science Foundation, the Director of the National Park Service, and the Director of the Institute of Museum and Library Services shall work with the private sector and cultural and educational institutions across the country to create a Digital Library of Education to house this country's cultural and educational resources.”
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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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CS -> CSTC -> CRIM -> JERIC 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/
ACM J. of Educational Resources in Computing
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Author‘s toolswww.physik.uni-oldenburg.de/EPS/mmm
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DL Components
User Interfaces
Workflow Mgr
DBMS
Search Engines, Classifiers, …
Data, MM Info
Gateways
Repository
Rights Mgr
MM/ HT Renderer
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OUTLINE
Introduction, Grand ChallengeDefinitions, 5SOAINDLTDMARIAN, ENVISIONPetaPlexFor more information
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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, using XML)– Implement OA harvesting protocol (derived from Dienst protocol)– Register the archive
Build tools, layer other services: linking, searching, …
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Metadata: Complex -> Simple
MARC ($50) Dublin Core (DC)
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OAI – Repository Perspective
Required: Protocol
DODO DO DO
MDO
MDO MDOMDOMDO
MDOMDOMDO
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OAI – Black Box Perspective
OA 1
OA 2
OA 4
OA 3
OA 5OA 6
OA 7
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Black Box OAI-ETD Perspective
ISTEC(Ibero
America)
PhysDis
NSYSU(Taiwan)
ADT(Australia)
BN.PT(Portugal)
www.theses.org
CyberTheses(Francophone)
VT
Dissert.Online(Germany)
MITOhioLINK
CBUC(Catalunya)
NDC(Greece)
SEALS(S.Africa)
CIC U. Bergen(Norway)
…
…
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Tiered Model of Interoperability
Mediator services
Metadata harvesting
Document models
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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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Archive of Digital Objects
ArchiveAccessProtocol
Handle(ID)
Digital object
terms and conditions
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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
American Physical Society California Digital Library Caltech Coalition for Networked Info. Cornell University Harvard University Library of Congress Los Alamos Nat’l Lab Mellon Foundation
NASA Langley Research Cntr Old Dominion University Stanford University U. of Ghent U. of Surrey U. of Southampton Vanderbilt University Virginia Tech Washington University
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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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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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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 test Allows browsing of open archives using only OAI
protocol Sends requests on behalf of user, parses and
checks responses and displays browsable interface Will detect most discrepancies in protocol http://purl.org/net/explorer
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OUTLINE
Introduction, Grand ChallengeDefinitions, 5SOAINDLTDMARIAN, ENVISIONPetaPlexFor more information
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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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The Networked Digital Library of Theses and Dissertations
www.NDLTD.org
Leader of the Worldwide ETD(Electronic Thesis and Dissertation) Initiative
Training AuthorsExpanding Access
Preserving KnowledgeImproving Graduate Education
Enhancing Scholarly CommunicationEmpowering Students & Universities
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GradProgram Library IT Ed.
(Tech)
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Media
ETD Web Sitehttp://www.ndltd.org/
ETDs Got Your Interest?
Graduate Students
Singapore AMChronicle of Higher Ed.National Public RadioNY Times ...
U. Laval
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Key Ideas: Networked infrastructure
Scalability
Education is the rationale
University collaboration
Workflow, automation
Authors must submitMaximalAccess
PDF, SGML, MM,MARC, DC, URNs,Federated search
Standards
8th graders vs. grads
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What led to today’s meeting? 1987 mtg in Ann Arbor: UMI, VT, … 1992 mtg in Washington: CNI, CGS, UMI, VT and 10 universities with 3 reps
each 1993 mtg in Atlanta to start Monticello Electronic Library (MEL): SURA,
SOLINET 1994 mtg in Blacksburg re ETD project: std of PDF + SGML + multimedia
objects 1996 funding by SURA, US Dept. of Education (FIPSE) for regional, national
projects 1997 meetings in UK, Germany, ... 1998 – 1st symposium – Memphis (20) 1999 – 2nd symposium – Blacksburg (70) 2000 – 3rd symposium – St. Petersburg (225) -> Caltech
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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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ETDs: Library Goals Improve library services
–Better turn-around time –Always available
Reduce work –catalog from e-text –eliminate handling: mailing to UMI, bindery
prep, check-out, check-in, reshelving, etc.Save space
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Aiding universities to enhance graduate education, publishing and IPR efforts
Helping improve the availability and content of theses and dissertations
Educating ALL future scholars so they can publish electronically and effectively use digital libraries (i.e., are Information Literate and can be more expressive)
What are we doing?
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NDLTD
Computer Resources
Research
Literature
Student Prepares Thesis/Dissertation
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Student Defends & Finalizes ETD
My Thesis
ETD
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Student Gets CommitteeSignatures and Submits ETD
Signed
Grad School
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Graduate School Approves ETD, Student is Graduated
Ph.D.
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Library Catalogs ETD, Access isOpened to the New Research
WWW
NDLTD
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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, …
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Archiving ETDs
Every 15 minutes back-ups made of not-yet-approved submissions
Hourly back-ups of newly approved ETDs
Weekly back-ups of entire ETD collection
Copies stored on-site and off-site
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VT ETD Cataloging
same as current cataloging policies, except:– author-assigned keywords (not LCSH)– generic (not LC) call no.– fields/subfields as required for computer files– full abstracts
time savings– cataloger familiar with computer files– equipment, software for word processing– 5 minutes avg. (10-15 minutes for paper TDs)
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Library Costs
$12/vol. for paper thesis processing– catalog, bind, security strip, label, shelve– @950 vols./yr. = $11,466
$3.20/vol. ETD processing– cataloging @950 vols./yr. = $3040
$.07/vol. shelving $.04/vol. circulation
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Costs/Savings at VT
Graduate School stopped shipping to the library 3000 copies of paper TDs/year
Library stopped binding, shelving, and circulating 3000 copies of TDs/year
166 ft of shelf space saved/year by the library VT used existing equipment in Library (vs. start-up
costs for staff, hardware and software from from a zero-base estimate: $65,000 – see http://scholar.lib.vt.edu/theses/)
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Institutional Members Coalition for Networked Information (CNI) Committee on Institutional Cooperation (CIC) Diplomica.com Dissertation.com Dissertationen Online (Germany) ETDweb, a Division of Answer4.com Ibero-American Science & Technology Education Consortium (ISTEC) National Documentation Centre (NDC), Greece National Library of Portugal (for all universities) OCLC Online Computer Library Center Organization of American States (SEDI/OAS) Southeastern Library Network (SOLINET) UNESCO (www.unesco.org/webworld/etd)
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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
South Africa: ECHEA/SEALS India, Portugal, …
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OhioLINK
Statewide Consortium Represents 79 colleges, universities, libraries Public Universities Private Universities and Colleges 2-Year Colleges Only a few (e.g., Miami U. of Ohio) are also
NDLTD members on their own
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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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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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For professional societies
Like “writing across the curriculum”, e.g., Chemical Markup Language, MathML, …
Besides writing: computing/communications, information literacy, personal digital library management, tool use, research methods, collaboration, archiving/preservation
Data sets, communities of users of them Classification systems / browsing / searching NRC’s “On becoming a researcher”
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NDLTD Members
0
10
20
30
40
50
60
70
803/
11/9
7
5/11
/97
7/11
/97
9/11
/97
11/1
1/97
1/11
/98
3/11
/98
5/11
/98
7/11
/98
9/11
/98
11/1
1/98
1/11
/99
3/11
/99
5/11
/99
7/11
/99
9/11
/99
11/1
1/99
Date Joined
Nu
mb
er o
f M
emb
ers
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Usage of ETDs in VT Collections
1996 1997 1998 1999
Jan-Aug
Total
requests
37,171 247,537 465,974 907,104
Daily
Requests
102 685 1,722 3,121
Abstract
requests
25,829 112,633 177,647 143,056
Hosts
served
9,015 22,725 28,022 52,663
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Popular Works 1996458 Seevers, Gary L. Identification of Criteria for Delivery of Theological Education Through Distance Education: An International Delphi Study (Ph.D., Educational Research and Evaluation, April 1993; 1353Kb)
432 Hohauser, Robyn Lisa. The Social Construction of Technology: The Case of LSD (MS in Science and Technology Studies, Feb. 1995; 244Kb)
390 Childress, Vincent William. The Effects of Technology Education, Science, and Mathematics Integration Upon Eighth Grader's Technological Problem-Solving Ability (Ph.D. in Vocational and Technical Education, July 1994; 285Kb)
310 Kuhn, William B. Design of Integrated, Low Power, Radio Receivers in BiCMOS Technologies (Ph.D. in Electrical Engineering, Dec. 1995; 2Mb)
287 Sprague, Milo D. A High Performance DSP Based System Architecture for Motor Drive Control ( MS in Electrical Engineering, May 1993; 878Kb)
165 Wallace, Richard A. Regional Differences in the Treatment of Karl Marx by the Founders of American Academic Sociology (MS in Sociology, Nov. 1993; 479Kb)
150 McKeel, Scott Andrew. Numerical Simulation of the Transition Region in Hypersonic Flow (Ph.D. in Aerospace Engineering, Feb. 1996; 3Mb)
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Popular Works 19979920 Liu, Xiangdong. Analysis and Reduction of Moire Patterns in Scanned Halftone Pictures (Ph.D. in Computer Science, May 1996; 6.6Mb)
7656 Petrus, Paul. Novel Adaptive Array Algorithms and Their Impact on Cellular System Capacity (Ph.D. in Electrical Engineering, March 1997; 5Mb)
2781 Agnes, Gregory Stephen. Performance of Nonlinear Mechanical, Resonant-Shunted Piezoelectric, and Electronic Vibration Absorbers for Multi-Degree-of-Freedom Structures (Ph.D. in Engineering Mechanics, Sept. 1997; ? + 7926Kb)
2492 Gonzalez, Reinaldo J. Raman, Infrared, X-ray, and EELS Studies of Nanophase Titania (Ph.D. in Physics, July 1996; 4607Kb)
1877 Shih, Po-Jen. On-Line Consolidation of Thermoplastic Composites (Ph.D. in Engineering Mechanics, Feb. 1997; 3.3Mb)
1791 Saldanha, Kevin J. Performance Evaluation of DECT in Different Radio Environments (MS in Electrical Engineering, Aug. 1996; 3.2Mb)
1431 DeVaux, David. A Tutorial on Authorware (MS in CS, April 1996; 2.3Mb)
1394 Kuhn, William B. Design of Integrated, Low Power, Radio Receivers in BiCMOS Technologies (Ph.D. in Electrical Engineering, Dec. 1995; 2518Kb)
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International Use 1996 1997 1998 850 2992 8170 United Kingdom 608 2,501 4223 Australia 346 2378 7373 Germany 713 2367 3970 Canada 387 1264 2201 South Korea 463 1161 4431 France 250 725 2553 Italy 191 867 2781 Netherlands 183 1130 1449 Brazil 22 967 1089 Thailand 83 958 1414 Greece
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NUDL 1/15/99 Networked University Digital Library
(NUDL) proposal to NSF under DLI2 international program– VT: Library, Grad School, Industrial&Systems Eng.– Partners: UK (2) , Singapore, Russia, Korea, Greece, Germany, plus
Iberoamerican group (Spain, Portugal, Argentina, Brazil, Chile, Mexico)
– Problems: Multilingual search, multimedia submissions, requirements/usability, international performance, …
Start with ETDs, then expand to other student works, portfolios, data sets, (CS) courseware, ...
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NUDL Research Partners
Ricardo A. Baeza-Yates, Universidad de Chile, Chile José Luis Brinquete Borbinha, Biblioteca Nacional, Portugal José Hilario Canós Cerdá, Universidad Politécnica de Valencia, Spain Stavros Christodoulakis, Technical University of Crete, Greece Eberhard Hilf, University of Oldenburg, Germany Peter Diepold, Susanne Dobratz, …, Humboldt University, Germany David Garza-Salazar, Monterrey Inst. of Technology (ITESM), Mexico Sung Hyon Myaeng, Chungnam National University, Korea (+ colleagues) Ana Maria Beltran Pavani, Prédio Cardeal Leme, Brazil Lim Ee Peng, Nanyang Technological University, Singapore Alexander I. Plemnek, St.-Petersburg State Technical University, Russia Berthier Ribeiro-Neto, Federal U. of Minas Gerais (UFMG), Brazil J. Alfredo Sánchez, Universidad de las Américas-Puebla, Mexico
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Who are sponsors / cooperators? Funding, Donations of hardware/software
– SURA– US Dept. of Education (FIPSE)– Adobe Systems– IBM– Microsoft– OCLC
Others Serving on Steering Committee– National/Regional Projects: Australia, French
speaking group (Montreal, Lyon), Germany, IberoAmerica (ISTEC, OAS), UK (UTOG)
– CGS, National Lib. Canada, NSF, SOLINET, UMI, UNESCO, ...
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Relationship with publishers
Concern of faculty and students that still wish to publish books or journal articles, voiced: campus, Chronicle, NPR, Times
Solution: Approval Form gives students, faculty choices on access, when to change access condition; use IPR controls in DL
Solution: by case, work with publishers and publisher associations to increase access– AAP, AAUP– AAAS, ACM, ACS, Elsevier, ...
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Some responses from publishers
ACM: need to acknowledge copyright Elsevier: need to acknowledge copyright IEEE-CS: endorse initiative ACS: After first publication, can release Textbook publishers: different market,
manuscript significantly reworked General: restricting access to local campus
will not cause any problems
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How does this relate to UMI?
Generally, they are independent decisions. 1987 UMI workshop was first to explore ETDs. UMI wrote support letter for US Dept. of Ed. proposal. UMI is on Steering Committee. ProQuest Direct pilot of scanning works started 1/1/97,
with free 2 yr access to front part. We are collaborating on:
– accepting electronic author submissions– standards (e.g., representation)
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ETD Initiative (and UMI)
StudentsLearn aboutDL, EPub
TDsbecome more
expressive
N. Amer. (T)Ds areaccessible, archived
Global TDsbecome more
accessible,archived
UMI
Universities
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User Search Support(multilingual, XML)
NDLTD W orld FederatedSearch
Virg in ia Tech ...(univ)
D issertationsO nline
(G erm any)
O hioLink(lib / un iv group)
Portugese N L ...(national lib)
Austra lia(regional)
O AS,ISTEC(Latin
Am erica)
UserInterface
Note: All groups shown are connected with NDLTD.
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www.theses.org
James Powell student project, D-Lib Magazine description in Sept. 1998
XML description of each site– type of search engine / service
– language
– coverage (for resource discovery) Adding Z39.50 gateway capability and
integrating with MARIAN, along with Harvest and Open Archives protocols
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Interoperability Tests Planned IBM DL: donated equipment, technical support,
powerful IPR (see TOIS, D-Lib) Z39.50: OCLC SiteSearch / VT tailored s/w
– university libraries w. catalogs of freely shared MARC records pointing to archival copies
– via URNs: handles & PURLs Dienst / NCSTRL - www.ncstrl.org: CS depts.,
DARPA, NSF, CNRI, Cornell – UVA, MIT have worked on extensions for ETDs - Portugal is studying use for Europe - VT is working on Dienst to Z39.50 gateway
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Access Approaches
Goal: Maximize access and services, e.g., by encouraging:
UMI centralized services VTLS: planned free union collection of metadata Distributed service: Dienst, Z39.50 Regional services (e.g., OhioLink, AZ/NM) Local servers with browse, search
– From local catalogs to local archives WWW robot indexing and search services
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Access Possibilities
Websearchengines
librarycatalogclients
www.theses.org
www.openarchives.org
3rd
PartyServices(e.g.,UMI)
VirginiaTech
NationalLibrary ofPortugal
CBUC(Spain)
OhioLink
MIT NationalProjects:AU, GE, …
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Why might a university want to be involved?
To improve graduate education / better prepare your students / increase their knowledge and visibility
To unlock university information To save money for students and for the
university / improve workflow To build an important digital library
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Multiple objectives
Sharing research results
– Decrease costs, increase services
– Increase knowledge of users Adding to author knowledge/skills
– Epub, DL, IPR Enhancing organization’s infrastructure
– CS department, library
– University, Laboratory
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DL Submission Software
Similar software developed for W3C’s WCA, CSTC, and NDLTD
CSTC version field-tested to manage papers for ACM Digital Libraries ‘99
May generalize for
– conferences
– electronic journal
– resource description (e.g., courses, Web content)
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How can a university get involved?
Select planning/implementation team– Graduate School– Library– Computing / Information Technology– Institutional Research / Educ. Tech.
Send us letter, give us contact names– www.ndltd.org/join
Adapt Virginia Tech solution– Build interest and consensus– Start trial / allow optional submission
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Convene Local Planning Group
ETD
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Build Local ETD Site
Digital Library
Policies
Inspection/Approval
Workshop/Training
ETD
ETD
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Responsibilities
Handle local education and collection– Contact information for helpers– Archive
Utilize standards– Metadata: MARC / DC-based concensus specification
Share metadata– Union services, mirrored services
Allow access– www.theses.org / www.dissertations.org– Open Archives Initiative (www.openarchives.org)
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Type 1 Members University Requires ETDs
Adobe Acrobat and/or XML/SGML tools Automated submission & processing Archive/access through UMI, (OCLC,)
Virginia Tech, ... (Local) WWW site, publicity (Local) Assistance provided as requested:
email, phone, listserv(s)
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Type 2 Members University Agrees to Require ETDs
Like Type 1 but set date not reached Usually has an option or pilot May: wait for new AY; start with all who enter
after; … Build grass roots support
– Advisory committee: representative? expert?– Champions to spread by word of mouth– Approval: Senates, Commissions, Deans, Students– Publicity to reach community
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NDLTD Members, Types 3-7
3. Part of university requires ETDs 4. University allows ETDs 5. University investigating, has pilot 6. University consortium joins:
– CIC (Big 10 coordinating body) 7. Non-university organization joins
– CNI (Coalition for Networked Info.)
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Support Services Developed
WWW site with > 300 Mb, CD, videotape Automated submission system (MySQL, UNIX,
WWW scripts - grad school/library) Student guidelines, style sheets, multimedia
training materials, FAQs, press info SGML and XML DTDs for ETDs SGML to HTML (web generator) LaTeX, Word templates, converters FTP site for PS to PDF conversion with UNIX
distiller
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Special Support
OCLC– Hosting Jan. 9-10 DC-XML metadata std meeting– Might help with preservation or Worldcat extract
VTLS– Machine, software, support staff to run free– Union catalog server: multilingual, MARC/DC-XML
UNESCO– ETD Guide in English, French, Spanish: book, Web– Scholarships to attend Int’l ETD Conference– Assistance with regional workshops: Columbia, …
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Accessibility Activities / Plans
Interface design (simple, 3D, VR) Usability studies Generic multi-lingual support Support for those with disabilities Hybrid collection (paper, MARC,
abstracts, full-text, multimedia) Disciplinary classifications, tools Visualization of results, collection
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CAVE Experiments
Use a familiar metaphor– building / floor / room / shelf / book
Rearrange orderings / shelving– use categories, clustering, ranking – use visualization: colors and gaps– study space mappings: physical, logical
Simplify movement for key tasks
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CAVE-ETD CAVE-ETD is a simulation of a library that
runs in a CAVE (VR environment). Populated with a subset of ETD records.
Main Foyerroom
room
room
room
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Book Browsing
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Reading Book Abstract
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SPIRE Visualization
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Support Offered
Software, documentation, tech support Email, listservs ([email protected],
-eval, -grad, -library, -technical) Donations: Adobe, Microsoft Evaluation: instruments, analysis
http://scholar.lib.vt.edu - solutions/statistics (Temporary storage / archiving; aid - in setting
up an int’l service & archive)
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OUTLINE
Introduction, Grand ChallengeDefinitions, 5SOAINDLTDMARIAN, ENVISIONPetaPlexFor more information
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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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OUTLINE
Introduction, Grand ChallengeDefinitions, 5SOAINDLTDMARIAN, ENVISIONPetaPlexFor more information
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PetaPlex Top View
4 ft.
side
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PetaPlex Side View
4 ft. wide
8 ft.
high
Roles:* Support* Cooling* Power
15
shelves
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PetaPlex
Digital Library Machine (“super” object store): Parallel computer / storage utility
Research: inverted files, video server, … 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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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 Service Machine Possibilities
Front-end provides handle/repository abstraction through hashing
Small object server Large object server
– video on demand– streaming audio
Information retrieval server Proxy / cache server (e.g., 1 terabyte server
of 1000 worldwide for Comsat/Intelsat)
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Sornil & Mather Dissertations
Mather: efficiently handling very large numbers of objects of varying sizes
Sornil: efficiently handling IR for very large dynamic collections, large numbers of users, high transaction rates, large inverted files– modeling and simulation– data organization – parallelization of algorithms, alone and in
combination for retrieval (related) tasks
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Comparison Network of
Workstations (NOW)
Beowulf PetaPlex
Archi- tecture
Cluster of general purpose workstation class machines using off-the-shelf network interconnect
General purpose PCs, interconnected with a custo- mized network
Special purpose architecture tuned for superstorage. Uses a mix of off-the-shelf PC compo- nents and specialized network interconnects.
Cost per node
Workstation prices. Between $2000-$2500/node
Mid to low-end PC prices. Between $1200-$1800 per node
Mass produced components will reduce price to around $100/node
Target area
Computation Computation Storage, computation is a secondary function
Filesystem support
UNIX flavors UNIX flavors Replaces location dependant files with location independent fine-grained URN named objects
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OUTLINE
Introduction, Grand ChallengeDefinitions, 5SOAINDLTDMARIAN, ENVISIONPetaPlexFor more information
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Outline of Online Course - 1
Section 1. Foundations– Early visions, definitions, resources/references,
projects Section 2. Search, Retrieval, Resource Discovery
– Information storage and retrieval, Boolean vs. natural language
– Indexing: Phrases, Thesauri, Concepts – Federated search and harvesting, OAI,
Crawlers/spiders/metasearch – Integrating links and ratings
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NESTOR Map: Intro to DLs
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Outline of Online Course - 2 Section 3. Multimedia, Representations
– Text/audio/image/video/graphics/animation – Capture, Digitization, Compression – Standards, Interchange: JPEG, MPEG – Content-based retrieval, Playback, QoS, SMIL
Section 4. Architectures– Modular/componentized, Protocols – InfoBus (Stanford, Java), Mediators, Wrappers
(TSIMMIS)
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Outline of Online Course - 3
Section 5. Interfaces – Workflow, Environments, Taxonomy of interface
components, Visualization – Design, Usability testing
Section 6. Metadata – Ontologies, RDF – MARC, Dublin Core, IMS – Mappings, Crosswalks
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Outline of Online Course - 4
Section 7. Electronic Publishing, SGML, XML– Authoring, Presenting, Rendering, Document Object
Model (DOM) – Dual-publishing, Styles (XSL) – Structure, Semi-structured information, Tagging/markup,
Structure queries Section 8. Database Issues
– Extending database technology – Structured and unstructured information – Multimedia databases, Link databases – Performance/replication/storage
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Outline of Online Course - 5
Section 9. Agents– Distributed issues – Protocols, Negotiation
Section 10. Commerce, Economics, Publishers– Preservation and archives – Terms and conditions, Open collections, Self-archiving – Economic models, Micropayments
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Outline of Online Course - 6
Section 11. Intellectual Property Rights, Security– Legal issues – Copyright, Rights management
Section 12. Social Issues– Cooperation and collaboration, Ratings, Annotation
(PICS) – Educational applications (NSDL), Digital divide – Museums (AMICO), Cultural heritage, International
concerns – Organizational acceptance/issues, Personalization
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Remember
Introduction, Grand ChallengeDefinitions, 5SOAINDLTDMARIAN, ENVISIONPetaPlexFor more information
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Conclusions
Consider DLs: to use, to teach, to add to, to build Education is one important application of DLs Cultural heritage, linguistic diversity, new
knowledge – all are important to preserve Technology opens up exciting opportunities in DLs
to yield seamless “super” information systems Having a framework and theory may lead to better
(more effective) systems and broader applicability Interoperability is part of the DL grand challenge
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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)