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8/22/2019 KM-Techniques.ppt
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2001 Franz J. Kurfess Knowledge Management Techniques 1
CPE/CSC 580:
Knowledge Management
Dr. Franz J. Kurfess
Computer Science DepartmentCal Poly
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Course Overview
IntroductionKnowledge Processing
Knowledge Acquisition,
Representation and
Manipulation
Knowledge Organization Classification, Categorization
Ontologies, Taxonomies,
Thesauri
Knowledge Retrieval Information Retrieval
Knowledge Navigation
Knowledge Presentation
Knowledge Visualization
Knowledge Exchange Knowledge Capture, Transfer,
and Distribution
Usage of Knowledge
Access Patterns, User
Feedback
Knowledge Management
Techniques
Topic Maps, Agents
Knowledge ManagementTools
Knowledge Management in
Organizations
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Overview Knowledge Management
Techniques
Motivation
Objectives
Evaluation Criteria
Chapter Introduction Review of relevant concepts
Overview new topics
Terminology
Topic 1 Subtopic 1.1
Subtopic 1.2
Topic 2
Subtopic 2.1
Subtopic 2.2
Topic 3 Subtopic 3.1
Subtopic 3.2
Important Concepts and
Terms
Chapter Summary
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Logistics
Introductions
Course Materials
textbook
handoutsWeb page
CourseInfo/Blackboard System and Alternatives
Term Project
Lab and Homework Assignments
Exams
Grading
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Knowledge Repositories
[KPMG 1998]
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KM Infrastructure
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KM Initiatives
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Pre-Test
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Motivation
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Objectives
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Corporate Memory (CM)
definition attempts
purpose
concepts
implementation
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Definition Attempts Corporate
Memoryexplicit, disembodied, persistent representation of
knowledge and information in an organization [Van
Heijst, van der Spek and Kruizinga 1996]
may include knowledge on products, production
processes, clients, marketing strategies, plans, strategic
goals, etc.
the collective data and knowledge resources of a
company [Nagendra Prasad and Plaza 1996]may include project experiences, problem-solving
expertise, design rationale, etc.
[Dieng et al. 1999]
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Purpose Corporate Memory
capitalization of knowledge
integration of resources and know-how
cooperation through effective communication and
active documentationthe right knowledge to the right person at the right
time and at the right level
[Dieng et al. 1999]
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Links in the Knowledge Chain
list existing knowledge
determine required knowledge
develop new knowledge
allocate new and existing knowledgeapply knowledge
maintain knowledge
dispose of knowledge
[Dieng et al. 1999]
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Corporate Memory Management
detection of needs
construction of the corporate memory
diffusion of the corporate memory
use of the corporate memoryevaluation
maintenance and evolution
[Dieng et al. 1999]
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Corporate Memory Management
Overview
[Dieng et al. 1999]
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Multidisciplinary Perspective on CM
technological (computer science, informationtechnology)
concentrate on technical and implementation aspects
may neglect requirements and constraints of systems in
practical use
organizational (CKO)
emphasize the role of CM in an organization
may overlook technological problems, or underestimateefforts needed for implementation
[Dieng et al. 1999]
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Corporate Memory Techniques
[Dieng et al. 1999]
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Corporate Memory Example
[Dieng et al. 1999]
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Motivations for Establishing a CM
avoid knowledge loss departure, retirement, change of roles of employees
exploit past experience
cumulative technical know-how
successful and failed projects
utilize collective knowledge for strategic purposes
detection of new opportunities
reaction to changes
improve knowledge exchange and communication establish venues for sharing information
improve learning
integrate knowledge from different areas
cross-disciplinary knowledge exchange[Dieng et al. 1999]
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Knowledge in Organizationsexplicit knowledge
specific know-how to design, build, sell and support
products and services
tacit knowledge
individual and collective skills enabling the organization toact, adapt, and evolve
tangible knowledge components
data, procedures, plans, models, algorithms, documents of
analysis and synthesisintangible knowledge components
abilities, professional skills, private knowledge,
organizational culture, history of the organization, contexts
of decisions, etc.[Dieng et al. 1999]
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Types of Corporate Memories
technical memory know-how of the employees about technical aspects
organizational memory
knowledge about the internal structure of an organizationproject memories
lessons and experiences from past projects
individual memories
status, know-how, activities, relationships of individual
employees
internal vs. external memory
indicates the source of relevant knowledge and information[Dieng et al. 1999]
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CM Needs
organization is also a knowledge production unit not necessarily as primary purpose
depends on size, type, and organizational scheme of
the organization e.g. distributed network of consultants
needs of individual users vs. organizational needs
detecting the right needs can be difficult
target users, domains, tasks, situations, knowledge
[Dieng et al. 1999]
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Determination of CM Needs
stakeholder-centered influenced by the members of the community of people
affected by or invested in the system
requirements analysis
early involvement of stakeholders is critical and feasible
most stakeholders are internal to the organization, and many are
motivated
most solutions are adaptations or evolutions of
previous systems
CSCW, KBMS, MIS, ...
[Dieng et al. 1999]
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CM Construction
sources
non-computational CM
document-based CM
knowledge-based CMcase-based CM
distributed CM
project-centered CMcombinations of several techniques
[Dieng et al. 1999]
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Sources
human sources domain experts, experienced specialists, people with
organizational memories
physical documents
printed documents, notes, design artifacts, products, tools,
etc.
digital documents
reports, technical documentation, design artifacts, email,case libraries, dictionaries, sketches, etc.
[Dieng et al. 1999]
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Non-computational CM
establishment of paper-based knowledge repository existing documents
generation of new documents
synthesis of knowledge not explicit in reports, technical
documentation, etc.
improve strategies and structural aspects of the organization
systematic generation of knowledge in an
organization
may be the predecessor to a digital CM
[Dieng et al. 1999]
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Document-based CM
comprises all existing documents in an organizationmay be in paper-based or digital form
organizes the collection in a systematic way
indexing interface to manage documents
preparation, storage, retrieval, processing, evaluation, distribution
[Dieng et al. 1999]
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Knowledge-based CM
based on the elicitation and explicit modeling ofknowledge from experts
may use a formal knowledge representation
framework this is often quite expensive
serves as an assistant to human knowledge
workers
different from traditional expert systems their goal is the automation of a particular task
[Dieng et al. 1999]
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Case-based CM
utilizes case-based reasoning
past experiences are collected in a (semi-)formal
representation mechanism
allows the comparison of cases the assumption is that new problems can often be solved
by looking up solutions to previous problems
helps with the concentration of expertise around
specific casescontinuous evolution of the CM through the
continuous addition of new cases
[Dieng et al. 1999]
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Distributed CM
emphasis on collaboration and knowledge-sharingacross traditional boundaries
geographically distributed persons/groups
structurally separated entities
common tasks, domains
essential for virtual organizations
teams or people collaborate on-line
[Dieng et al. 1999]
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Project-centered CM
captures the relevant knowledge accumulated whileworking on a project
discussions, arguments, decisions, compromises, etc.
important aspects
represent and reconcile perspectives of differentstakeholders
changes of priorities in the project
communication of decision rationales
recovery of insights and solutions from past scenarios
re-inventing the wheel
example
issue-based information system (IBIS) [Rittel 1972][Dieng et al. 1999]
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Combinations of Several Techniques
informal and formal knowledge representationmethods
combination of paper-based and digital documents
semi-automatic extraction of knowledgecollaborative construction of community knowledge
integration of existing components
libraries, data bases, case bases, document collections,
multi-media collections, etc.
[Dieng et al. 1999]
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Diffusion and Use of CM
diffusion modes knowledge attic
archive that can be consulted when needed
collection and diffusion are passive
knowledge sponge active collection, passive diffusion
knowledge publisher
relevant elements are distributed to users
passive collection, active distribution
knowledge pump
specific roles or methods for collection of relevant knowledge
active collection and active diffusion
[Dieng et al. 1999]
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Diffusion via Intranet/Internet
frequently centered around Web servers
has some conceptual and technical limitations, but
substantial benefits
confidentiality, security, reliability, distraction, etc.
[Dieng et al. 1999]
K l d d I f ti
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Knowledge and Information
Retrievaltraditional index-based techniques are integrated in
most approaches to CM
enhancements through advanced techniques
ontologies collaborative filtering
intelligent agents
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Evaluation
financial perspective improve the bottom-line of the organization
may be difficult to measure
organizational perspectivework environment
employee satisfaction
technical perspective
transfer of know-how
some effects may not be direct consequences of the
CM, but side-effects of its introduction or use
[Dieng et al. 1999]
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Maintenance and Evolution
should be based on the evaluation of the currentsituation
addition of new knowledge
removal or modification of obsolete knowledgecoherence problems
scalability
user acceptanceshould become a continuous activity
[Dieng et al. 1999]
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Examples of CM Methods
CYGMAREX
MKSM
KAMM
[Dieng et al. 1999]
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CYGMA
Cycle de Vie et Gestion des Mtiers et desApplications, KADE-TEX
construction of a professional memory in
manufacturing
relies on six categories of industrial knowledge
singular knowledge
terminological knowledge (dictionary)
structural knowledge (ontology, factual knowledge base)
behavioral knowledge
strategic knowledge
operational knowledge
[Dieng et al. 1999]
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REX
needs analysis and identificationconstruction of elementary pieces of experiences
construction of a computer-based representation
implementation through a software system
[Dieng et al. 1999]
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MKSM
Method for Knowledge System Managementsystemic-based decision support method
views knowledge assets as a complex system
models this complex system through differentperspectives
syntactical, semantic, pragmatic
different components
information (data processing)
signification (task modelling)
context (activity modelling)
[Dieng et al. 1999]
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KAMM
[Knowledge Associates 2000]
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KAMM Architecture
[Knowledge Associates 2000]
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Knowledge Technology Framework
identifies key KM activities and relatedknowledge[oriented techniques and tools
personalization
codificationdiscovery
creation/innovation
capture/monitor
[Milton et al. 1999]
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Knowledge Technology
(Key: P"Person, K1"Knowledge 1echnology, I1"Information 1echnology)
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Personalization
sharing knowledge through person-to-personcontacts
tools for more effective communication
email, message boards, chatrooms, personal ontologies
[Milton et al. 1999]
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Codification
capturing existing knowledge and placing it inrepositories
tools and techniques for knowledge representation
generic models
rules, frames, case-based reasoning, ...
specialized techniques
task- or domain-specific
[Milton et al. 1999]
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Discovery
searching and retrieving knowledge from repositoriesand data bases
tools and techniques from information retrieval,
knowledge-based systems, natural language
processing
search engines, ontologies
[Milton et al. 1999]
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Creation/innovation
generation of new knowledgetools and techniques from cognitive science,
psychology
brainstorming support, creativity assistance
mainly a human endeavor
[Milton et al. 1999]
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Capture/Monitor
capturing knowledge as people work on their normaltask
tools and techniques from Human-Computer
Interaction, AI
audit trails, case collections
[Milton et al. 1999]
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KM Framework
[Macintosh et al. 1999]
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KM Processes
[Macintosh et al. 1999]
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PROMOTE Architecture
[Karagiannis & Telesko, 2000]
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PROMOTE
Framework
[Karagiannis & Telesko, 2000]
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Organizational Memory Context
[Abecker et al. 1998b]
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Context-
SensitiveKnowledge
Supply
[Abecker et al. 1998b]
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Integration of Ontologies
[Abecker et al. 1998b]
K l d T k S t
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Knowledge Task Support
[Abecker et al. 1998b]
Related Research Areas
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Related Research Areas
[Abecker et al. 1998b]
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Developing a Knowledge
Management Technology
An Encompassing View on the Projects of
theKnowledge Management Group at DFKI
KaiserslauternMichael Sintek, Andreas Abecker,
Ansgar BernardiGerman Research Center for Artificial
Intelligence
Kaiserslautern, Germany[Abecker et al. 1998b]
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Overview
requirements and approaches to support KM infrastructuresfor organizations; related research fields
KnowMore active knowledge supply finished
Know-Net collaboration ongoing
FRODO distribution, framework current
MOTIVE 3D access planned
summary: we propose a rich, modular KM middleware as asolid basis for engineering intranet-based KM solutions
Development of Knowledge
Management technology of theKnowledge Management Group at
DFKI Kaiserslautern
[Abecker et al. 1998b]
Knowledge is an Important
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Knowledge is an Important
Productivity Factor for Organizations
besides labor, capital, and land, knowledge has
been recognized as an important productivity factor
knowledge is stored in individual brains or implicitly
encoded and hidden in organizational processes,
documents, services, and systemsKM is concerned with discovery, acquisition, creation,dissemination, and utilization of knowledge.
[Abecker et al. 1998b]
rgan za ons ave er ous
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gProblems in Managing Their
Corporate Knowledge
Various fields of computer science tackle some of theseknowledge problems.
KnowledgeProblems
Documentation
Availability
Awareness
Distribution
Resources
Multiple Formats
Multiple Views
Accessibility Discovery
Acquisition
[Abecker et al. 1998b]
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Resarch Fields Related to KM
Groupware, Workflow, CSCW collaboration of individuals and departments
Document management, retrieval, and
filtering systems
most of the available abstract, strategic
knowledge written down in text-based documents
often advertised as KM solutions
Artificial Intelligence formal ontologies
data mining
case bases
expert systems
We strive for a new quality of knowledge systems by
integrating allthese areas.
[Abecker et al. 1998b]
now ore now e gei
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gManagement for Learning
Organizationsbasic research project funded by German
government
central idea: access to multiple
heterogeneous knowledge sources
enabled through comprehensive knowledge
description using several formal ontologies
(information, domain, enterprise ontology)
In KnowMore, knowledge can be viewed as informationlinked into the application context.
[Abecker et al. 1998b]
h hi
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The KnowMore System Architecture
[Abecker et al. 1998b]
now- e now e gei h
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gManagement with Intranet
Technologiesfunded by the European Commission within
the IT for learning and training industry
program
integrate groupware functionalities with AImethods enabling the handling of knowledge
objects
based on Knowledger suite (Lotus Notesapplication from Knowledge Associates) and
intelligent agents (DFKI)
intranet- and agent-based knowledge
platform:
In addition to a KnowMore-like knowledge platform,
collaborative aspects play an important role.
[Abecker et al. 1998b]
K N C ll b i A
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Know-Net: Collaborative Aspects
collaborative tools supporting communities of
practice at the team level to facilitate the
creation of shared memories and
interpretative context
real-time group discussions/meetings
project-based bulletin boards and forums
on-line topical conferences with threading features
and interactive expertise databases
[Abecker et al. 1998b]
The Know-Net Intranet- and Agent-
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The Know Net Intranet and Agent
Based System Architecture
[Abecker et al. 1998b]
ca a eF k f E l i G h
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Framework for Evolutionary Growth
(future work)
basic research project funded by Germangovernment, successor project of KnowMore
KnowMore: global set of ontologies,
centralized inference
FRODO: conjointly use knowledge from
several independent knowledge sources
legacy databases
independently introduced partial OMs based onspecific ontologies
external knowledge sources (with own ontologies)
ontology mapping problem
communicating and
cooperating servicesWe propose a rich, modular KM middleware as a solidbasis for engineering intranet-based KM solutions.
[Abecker et al. 1998b]
The FRODO KM Middleware Will
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The FRODO KM Middleware Will
Exploit Various Notions of Agents
digital reference and acquisition librarians
know their respective knowledge source and
organization principles
know how to effectively access, search, maintainthe knowledge
wrappers, mediators, ontologists, knowledge
brokers
add intelligent interfaces to legacy systems
make sources accessible to higher-level inferences
document analysis and information extraction
specialists [Abecker et al. 1998b]
A Sample Instantiation of the
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p
FRODO OM Framework
[Abecker et al. 1998b]
Users Motivation for Accessing
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g
Online Learning & Training
Resources (planned)will be submitted to the EU 5th frameworkonline front-end to electronic learning and
training (L&T) systems
addresses users motivation; important drivingfactor is social interaction
MOTIVE proposes an environment that wrapsL&T tools and content together with peoplesinteractions
virtual representation of the L&T environment:
workspace with 3D representation of the[Abecker et al. 1998b]
MOTIVE Adds Access to L&T OMs
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Through 3D Knowledge Portal
the L&T contents is accompanied by a
KnowMore/FRODO-like knowledge meta-level
based upon various ontologies
XML as upcoming standard will be used for
this knowledge representation task
a 3D knowledge portal wraps these ontologies
to provide a highly motivating access to the
L&T resources
thus, the MOTIVE 3D knowledge access can
be viewed as an additional but hi hl user-
In general, 3D spaces can be used to replace legacyinformation retrieval, knowledge acquisition, andworkflow frontends of OM systems.
[Abecker et al. 1998b]
S
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Summary
In our view, KM technology is a
combination of:
distributed, heterogeneous knowledgesources
various formal ontologies (information,
domain, enterprise)
knowledge meta-descriptions
informal-formal transitions[Abecker et al. 1998b]
R f [K 00]
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Reference [Kearns 00]
[Dieng et al. 1999]
R f [S ill 01]
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Reference [Sommerville 01]
[Sommerville 01]
[Sommerville 01]
P t T t
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Post-Test
R f
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References
[Abecker et al. 1998] Andreas Abecker, Ansgar Bernardi, Knut Hinkelmann, Otto Khn, Michael Sintek.
Techniques for Organizational Memory Systems. Technical ReportD-98-02, DeutschesForschungszentrum fr Knstliche Intelligenz (DFKI), 1998.
[Abecker et al. 1998b] Andreas Abecker, Ansgar Bernardi, Knut Hinkelmann, Otto Khn, Michael Sintek.
Toward a Technology for Organizational Memories. IEEE Intelligent Systems, vol. 13, no.3, pp. 40-48,
1998.
[Dieng et al. 1999] Rose Dieng, Olivier Corby, Alain Giboin and Myriam Ribiere, Methods and Tools for
Corporate Memory. Int. J. Human-Computer Studies, no. 51, pp. 567-598, 1999.
[Karagiannis & Telesko, 2000] Dimitris Karagiannis and Rdiger Telesko. The EU-Project PROMOTE: A
Process-oriented Approach forKnowledge Management. Proc. of the Third Int. Conf. on Practical Aspects
of Knowledge Management (PAKM2000) Basel, Switzerland, 30-31 Oct. 2000, (U. Reimer, ed.).
[KPMG 1998] KPMG Management Consulting Knowledge Management Research Report 1998.
[Macintosh et al 1999] Ann Macintosh, Ian Filby, and John Kingston. Knowledge Management Techniques
- Teaching and Dissemination Concepts. Int. J. Human-Computer Studies, no. 51, pp. 549-566, 1999.
[Milton et al. 1999] Nick Milton, Nigel Shadbolt, Hugh Cottam, and Mark Hammersly. Towards a
Knowledge Technology for Knowledge Management. Int. J. Human-Computer Studies, no. 51, pp. 615-
641, 1999
[Sintek et al. 1998] Michael Sintek, Andreas Abecker, Ansgar Bernardi. Developong a Knowledge
Management Technology. Presentation at WET ICE KMN 99, Deutsches Forschungszentrum fr
Knstliche Intelligenz (DFKI), 1999; www.dfki.uni-kl.de/~simtek/.
I t t C t d T
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Important Concepts and Terms natural language processing
neural network predicate logic
propositional logic
rational agent
rationality
Turing test
agent
automated reasoning belief network
cognitive science
computer science
hidden Markov model
intelligence
knowledge representation
linguistics
Lisp
logic machine learning
microworlds
Summary Chapter Topic
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Summary Chapter-Topic
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