Knowledge Management: The On-To-Knowledge Project
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Transcript of Knowledge Management: The On-To-Knowledge Project
Knowledge Management: Knowledge Management: The On-To-Knowledge ProjectThe On-To-Knowledge Project
Hans AkkermansHans Akkermans
Free University Amsterdam VUA
Hans Akkermans On-To-Knowledge 2
What is On-To-Knowledge?
European project in EU Information Society Technologies Programme: EU-IST-10132
Aim: innovative tools for knowledge management Duration: 2.5 years, January 2000 - June 2002 Total effort & cost: 26 personyears, 2.5+ M EUR EC funding: 1.34 M EUR
Hans Akkermans On-To-Knowledge 3
OTK Partners
Free Univ. Amsterdam (VUA, coordinator), NL
British Telecom, UK Swiss Life, CH Aidministrator, NL CognIT, NO EnerSearch, SE AIFB Uni-Karlsruhe, D
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What is Knowledge Management? (1/2)
Peter Drucker: Post-capitalist Society (1993) Peter Drucker: Post-capitalist Society (1993) “The change in the meaning of knowledgechange in the meaning of knowledge that began 250
years ago has transformed society and economy. Formal knowledge is seen as both the key personal resource and the key economic resource. Knowledge is the only meaningful Knowledge is the only meaningful resource today.resource today. The traditional `factors of production' - land (i.e. natural resources), labour and capital - have not disappeared. But they have become secondary. They can be obtained, and obtained easily, provided there is knowledge. And knowledge in this new meaning is knowledge as a utility, knowledge as the means to obtain social and economic results. These developments, whether desirable or not, are responses to an irreversible change: knowledge is now knowledge is now being applied to knowledgebeing applied to knowledge.”
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What is Knowledge Management? (2/2)
Identify Plan AcquireDevelop
DistributeFosteruse
Maintain,Controlquality
Dispose
Aim of Knowledge Management:Aim of Knowledge Management: Increase the leverage of corporate knowledge, Increase the leverage of corporate knowledge,
as a key production factor in the organizationas a key production factor in the organization
Aim of Knowledge Management:Aim of Knowledge Management: Increase the leverage of corporate knowledge, Increase the leverage of corporate knowledge,
as a key production factor in the organizationas a key production factor in the organization
The knowledge value chainThe knowledge value chain
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Exploiting World-Wide Information Resources IT, and especially Internet/WWW, have boosted
potential for knowledge acquisition and sharing BUT:BUT: information resources are heterogeneous,
distributed, semi-structured, & enormous in size HENCE:HENCE: need for KM tools for selective semantic
(meaning-oriented) access => On-To-KnowledgeOn-To-Knowledge Move from keyword search to query answeringMove from keyword search to query answering Move upwards in the data-info-knowledge chainMove upwards in the data-info-knowledge chain Vision:Vision: toward the next-generation “semantic”
(Tim Berners-Lee, W3C) or knowledge webknowledge web
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OTK Results (1/2)
Tools:Tools: Intranet/WWW
information extraction
Semantic representation & analysis
User query access
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OTK Results (2/2)
MethodologyMethodology (inputs: e.g. our KE&M book, MIT Press, Cambridge, MA, 2000)
Industrial case studies:Industrial case studies: evaluation and feedback
OIL:OIL: XML/RDF-based ontology language plus inference layer on top of the web
Note: see Chapter 9 for EnerSearch case study on
agent communication
Hans Akkermans On-To-Knowledge 9
What is an Ontology?
In philosophy: theory of what exists in the world
In IT: formal description of shared formal description of shared concepts in a domainconcepts in a domain
Aid to human communication and shared understanding, by specifying meaning
Machine-processable (e.g., agents use ontologies in communication)
Ontology = key technology in Ontology = key technology in semantic information processingsemantic information processing
Application: knowledge management, e-business
A “Society” of Intelligent Devices
Hans Akkermans On-To-Knowledge 10
OTK Tool Environment and its Use
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Project Roles of OTK Partners
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EnerSearch Case Study: Virtual Enterprise (1/3)
How to do knowledge How to do knowledge transfer via website?transfer via website?
Issue:Issue: hyperlinks or keyword search do not tell you much, and are a waste of time
Much better:Much better: you want to ask questions and just get the answer
Note: EnerSearch website hyperlink structure
does not really help!
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EnerSearch Case Study: What You CanCan Do (2/3) Annotate documents or
webpages with meaning (through ontology)
Note: taxonomy or type hierarchy is simple(st) form of ontology
Next: semantic clustering of pages gives content-based organization
Automatically done by one of the OTK tools: Aidministrator’s WebMaster
Note: EnerSearch website ontology gives organization of
important topics (Excerpt)
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EnerSearch Case Study: Preliminary Results (3/3)
Author relations
Agent subtype structure
Interactive generation of subtype intersections
(here, e-commerce)
Key idea:Key idea: website hyperlinks + ontology = meaningful structure
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EnerSearch Case Study: Involvement of Shareholders Request to participate in
evaluation of OTK tools User query interface tool:
ask questions rather than browse or search
Test/evaluation feedback to On-To-Knowledge
=> Improve EnerSearch website as a knowledge transfer medium
Ontology helps separatetwo different meanings of
“communication”
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