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Alexander Johannesen, Bekk Consulting AS
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DISCLAIMER : I love Topic Maps, and I get passionate about what I love. I think Topic Maps by itself will create peace on earth, solve world hunger and the energy crisis, so don’t expect me to dabble too much in the details. And, I love you.
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• Monteverdi and baroque music• My wife pretending to understand me• My kids learn something that I value
highly• Seriously complex challenges• Enabling connotational knowledge
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composer
Not classicalmusic!partnership
responsibility
Has a price
Measurementor
Opinion contextInformation science
• Monteverdi and baroque music• My wife pretending to understand me• My kids learn something that I value
highly• Seriously complex challenges• Enabling connotational knowledge
Epistemology
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knowledge
storiesmeaninghumanity
history
culture
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””Ferociously concerned with Ferociously concerned with the preservation and access the preservation and access
to knowledge”to knowledge”
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Unique postition
Libraries are trusted to do the right thing
Keepers of knowledge and order
People who care
No nonsense, only truth
Nice, but firm
Global institution
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2
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Topic Maps mademe a better man
Forces me toPonder meaning of words and relationsFace modern IT problems differentlyDefine your solutions humanelyThink about what identity meansFocus on the information rather than
technologyRelive my philosophical past in perpetual
epistemology
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Capturing knowledge in a way that’s easily dealt with by humans and computers alike
Ease knowledge representation and findability
Building an infrastructure for better cooperation of knowledge sharing
Something about ”subject-centric” or something …
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What’s a subject?
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“Anything whatsoever, regardless of whether it exists or has any other
specific characteristics, about which anything whatsoever may be asserted by
any means whatsoever”
What’s a subject?
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Huh, I thought a topic was “anything”?
A subject can be anything, and a topic represents it
”Memories of Prague”
Semantic data model
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Semantic- Meaning, meaningful, knowledge, idea, concept, sense
Data- Stuff, most often loosely based on reality
Modeling- exaggerated representation of parts of reality
RECAP
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Models are concepts shaped by constraints
“freedom”
free
rights
duality
trapped
RECAP
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Models are concepts shaped by constraints
“freedom”
free
rights
duality
trapped
Is_determined
Have_influence
Created_through
RECAP
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PSI
“Alex” , “Alexander” , “Johannesen, Alex” #nla-resource-team-member #nla-resource-person #nla-resource-employee
http://psi.me.net/ego
“Alex” #nla-resource-personhttp://psi.me.net/ego
“Alexander” #nla-resource-team-member
http://psi.me.net/ego
“Johannesen, Alex” #nla-resource-employee
http://psi.me.net/ego
XY project My new app Fish ontology
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Share your structures and data with outside sources as well
Fiddle Project
Dingbat Project
AustLit project
ontology
XY project My new app Fish ontology
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“All models are wrong.
Some models are useful.”
-- George Box, statistiker, kjemiker
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bull
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head
legs
freedom
milk
It happens…
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The idea of a category is central... Most symbols (i.e., words & representations)
do not designate particular things or individuals in the world... Most of our
words & concepts designate categories. There is nothing more basic than
categorization to our though, perception, action & speech. Every time we see
something as a kind of thing [...] we are categorizing Lakoff, ”Women, Fire and dangerous things”
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an abstract container with things either inside or outside
clear boundaries defined by common properties of the
membersitems are in the same category if and only if they
have certain properties in common independent of who is doing the categorising no member of a category has any special
status all levels of a hierarchy are important and
equivalent
Categories?
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[Classical category theory] is built into the foundations of mathematics and into much of our current computer software. Since mathematical and computer models are being used more and
more as intellectual tools in the cognitive sciences, it is not surprising that there is
considerable pressure to keep the traditional theory of classification at all costs. It fits the available intellectual tools, and abandoning it
would require the development of new intellectual tools. And retooling is no more popular in the
academy than in industry. Lakoff, ”Women, Fire and dangerous things”
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Categories, reallyDerived from language; different languages
classify things differently; there’s no universal categories
Basic category theoryLakoff ”Women, Fire and Dangerous things”Chairs, where some chairs are more ”chair” than
othersCognitive perception limits things’ modality
which language further complicates ; we’re middle-sized beings with a knack for poetryHow can you understand how big the universe is
when you’ve lived in a cave your whole life …Models of understanding must be slowly built to
overcome the perspective; it’s a genetic thing
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Categories are not merely organized in a hierarchy from the most general to the most specific, but are also organised so
that the categories that are most cognitively basic are "in the middle" of a
general-to-specific hierarchy. Generalisation proceeds upward from the
basic level and specialization proceeds down
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A basic level category is roughly in the middle of a hierarchy
Learned earliest (how you teach kids)Usually has a short name in frequent usePeople are fast at identifying category
membersCategories have best - or prototypical -
examples, with some members of the category being more representative than other members
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Most of our knowledge is organised around basic level categories (focus ontologies there for easy uptake?)
Dependent on the person who is thinking (scope needs more pimping)
No definitive basic level for a hierarchyA single mental image can reflect the
category
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1 2 3 4
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Topic Maps already supports
your crazy ideas
Topic Maps already supports
your crazy ideas
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But we can only be subject-centric together
with others
But we can only be subject-centric together
with others
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To be subject-centric … Community involvement and evolvement low (and
tricky to find and get into), and threshold of entry is very high
We’re a bit web shy, not part of the fabric of the web (no embedable XTM, [nearly] no exchange protocols after 10 years … we’re a bit slow on the ”cool” stuff), making experimentation through the worlds greatest network a bit slow
We’re silo farmers with a mechanism to break free, yet we haven’t embraced it much
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To be subject-centric?? Categories are vocabulary, but where is the
vocabulary level in Topic Maps? How can we share ontologies - speak people’s languages - when they’re undefined as such? OWL is a good constraint to create knowledge.
Who could make persistent identifiers that people would trust?
Subject-centric, or context-centric? What are subjects without constraints or relationships?
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BEKK CONSULTING ASSKUR 39, VIPPETANGEN. P.O. BOX 134 SENTRUM, 0102 OSLO, NORWAY.
WWW.BEKK.NO
Alexander JohannesenManager
+47 982 19 [email protected]