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Graduate School of Informatics Kyoto University, November 14, 2001 Functions of the Interspace Infrastructure for Concept Spaces Bruce Schatz CANIS Laboratory Graduate School of Library and Information Science University of Illinois at Urbana-Champaign www.canis.uiuc.edu, schatz@uiuc.edu
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THE 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 SPACES
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LEVELS OF INDEXES Technology Engineering Electrical FORMAL INFORMAL (manual) (automatic) IEEE communities groups individuals
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THE DISTRIBUTED WORLD Community Repositories in the Interspace Every Person performs Every Role USERrequest LIBRARIANreference INDEXERclassify PUBLISHERquality AUTHORgenerate
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CONCEPTS ACROSS THE INTERSPACE
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CONCEPT 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 Client
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Navigation in MEDSPACE For a patient with Rheumatoid Arthritis Find a drug that reduces the pain (analgesic) but does not cause stomach (gastrointestinal) bleeding Choose Domain
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Concept Search
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Concept Navigation
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Retrieve Document
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Navigate Document
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Retrieve Document
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CONCEPT SWITCHING 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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ENGINEERING SESSION
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Engineering Categories & Concepts
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Further Concept Navigation
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Searching via Concept Suggestion
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Switching Across Repositories
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INFORMATION SPACEFLIGHT Landscape as category map visualization Valleys are semantic clusters Hills are semantic distances Traversal across multiple levels of abstraction
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Category Maps
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SELF-ORGANIZING MAPS (SOMs)
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INFORMATION SPACEFLIGHT
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THE 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 true The Interspace is true Cyberspace
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INFORMATION SPACEFLIGHT The Zen of the Net
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