code (committee on digital environment) july 26, 2000 rice university the net of the 21st century:...
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CODE (Committee on Digital Environment)CODE (Committee on Digital Environment)July 26, 2000 July 26, 2000 Rice UniversityRice University
THE NET OF THE 21st CENTURY:THE NET OF THE 21st CENTURY: Concepts across the InterspaceConcepts across the Interspace
Bruce SchatzCANIS Laboratory
Graduate School of Library and Information ScienceUniversity of Illinois at Urbana-Champaign
www.canis.uiuc.edu, [email protected]
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THE THIRD WAVE OF NET EVOLUTIONTHE THIRD WAVE OF NET EVOLUTION
PACKETS
OBJECTS
CONCEPTS
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from Objects to Concepts from Syntax to Semantics Infrastructure is Interaction with Abstraction
Internet is packet transmission across computers
Interspace is concept navigation across repositories
CONCEPT SPACESCONCEPT SPACES
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LEVELS OF INDEXESLEVELS OF INDEXES
Technology
Engineering
Electrical
FORMAL
INFORMAL
(manual)
(automatic)
IEEE
communities
groups
individuals
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THE DISTRIBUTED WORLDTHE DISTRIBUTED WORLD
Community Repositories in the Interspace Every Person performs Every Role
USER requestLIBRARIAN referenceINDEXER classifyPUBLISHER qualityAUTHOR generate
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CROSS-OVERS IN SEMANTIC INDEXINGCROSS-OVERS IN SEMANTIC INDEXING
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COMPUTING CONCEPTSCOMPUTING CONCEPTS
1992 1993 1995 1996 1998
‘92: 4,000 (molecular biology)
‘93: 40,000 (molecular biology)
‘95: 400,000 (electrical engineering)
‘96: 4,000,000 (engineering)
‘98: 40,000,000 (medicine)
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SIMULATING A NEW WORLDSIMULATING A NEW WORLD
Obtain discipline-scale collection MEDLINE from NLM, 10M bibliographic abstracts human classification: Medical Subject Headings
Partition discipline into Community Repositories 4 core terms per abstract for MeSH classification 32K nodes with core terms (classification tree)
Community is all abstracts classified by core term 40M abstracts containing 280M concepts concept spaces took 2 days on NCSA Origin 2000
Simulating World of Medical Communities 10K repositories with > 1K abstracts (1K w/ > 10K)
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INTERSPACE NAVIGATIONINTERSPACE NAVIGATION
Semantic Indexes for Community Repositories
Navigating Abstractions within Repository concept space category map
Interactive browsing by Community experts
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Interspace Remote Access ClientInterspace Remote Access Client
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Navigation in MEDSPACENavigation in MEDSPACE
For a patient with Rheumatoid Arthritis Find a drug that reduces the pain (analgesic) but does not cause stomach (gastrointestinal) bleeding
ChooseDomainChooseDomain
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Concept SearchConcept Search
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Concept NavigationConcept Navigation
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Retrieve DocumentRetrieve Document
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Navigate DocumentNavigate Document
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Retrieve DocumentRetrieve Document
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Category MapCategory Map
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Category Navigation
Category Navigation
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Concept NavigationConcept Navigation
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SWITCHINGSWITCHING
In the Interspace... each Community maintains its own
repository
Switching is navigating Across repositories
use your vocabulary to search another specialty
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Medicine SessionMedicine Session
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Categories and ConceptsCategories and Concepts
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Concept SwitchingConcept Switching
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Document RetrievalDocument Retrieval
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Support for ScholarshipSupport for Scholarship Analysis (Browsing) Synthesis (Sharing)
Special (Community) Public (Library)
Within (Navigating) Across (Linking)
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Community SystemsCommunity Systems
browse and share all the knowledge of a community
data results(database management) (electronic mail)
literature news(information retrieval) (bulletin
boards)
knowledge(hypertext annotations)
Formal Informal
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Worm Community SystemWorm Community System WCS Information:Literature BIOSIS, MEDLINE, newsletters,
meetings
Data Genes, Maps, Sequences, strains, cells
WCS FunctionalityBrowsing search, navigationFiltering selection, analysisSharing linking, publishing
WCS: 250 users at 50 labs across Internet (1991)
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WCSMolecular
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WCS Cellular
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Rice InterspaceRice Interspace Gather the Information Sources
each (college, class, student) has repository each (department, lab, faculty) has repository
Generate the Community Repositories text documents with articles and annotations specialty datatypes: databases and motifs
Construct the Analysis Environment federated concept switching across sites type-dependent parsing for text/data interlinks
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Rice Student TestbedRice Student Testbed
Class by Class Propagation (College by College)
from Special Community Repositories
Similar to Illinois Digital Library Testbed UIUC College of Engineering (Rice scale)
NSF DLI, 1994-98, then University Library
Federated Search using Document Structure Full-text Journals used in classes and labs
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Rice Faculty TestbedRice Faculty Testbed
Department by Department Propagation
from Public Library Repositories
Similar to UIC Medical Center Testbed pilot Surgery residents; plan Medical Center
Concept Spaces for Community Repositories All Medical Literature (MEDLINE, BIOSIS) All Medical Records (Cerner narratives)
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THE NET OF THE 21st CENTURYTHE NET OF THE 21st CENTURY
Beyond Objects to Concepts Beyond Search to Analysis Problem Solving via Cross-Correlating
Multimedia Information across the Net
Every community has its own special library Every community does semantic indexing
The Interspace is truetrue Cyberspace