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Douglas Hofstadter
Πρωταγωνιστής
1
#2781
Arguments advanced by Douglas Hofstadter.
Λεπτομέρειες πλοηγού
(Βοήθεια)
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Artificial Intelligence »
Artificial Intelligence
Artificial Intelligence☜A collaboratively editable version of Robert Horns brilliant and pioneering debate map Can Computers Think?—exploring 50 years of philosophical argument about the possibility of computer thought.☜F1CEB7
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Protagonists »
Protagonists
Protagonists☜The contributions of over 300 protagonists can be explored via a surname search, or using the growing list developing here.☜D3B8AB
■
Douglas Hofstadter
Douglas Hofstadter☜Arguments advanced by Douglas Hofstadter.☜D3B8AB
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ACME doesn't understand analogy »
ACME doesn't understand analogy
ACME doesn't understand analogy☜All ACME does is take algebraic sentences in predicate logic notaiton and compare them. For example, it only understands that Socrates is like a midwife to the extent that it understands that (a(b)), (c(d)) is similar to (A(B)), (C(D)).☜FFFACD
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Front-end assumption is dubious »
Front-end assumption is dubious
Front-end assumption is dubious☜Models that use pre-configured representations and hand-tailored data assume that a separate front-end module could be built that would filter sensory data into the models representational form.☜FFFACD
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All encompassing representations can't be processed »
All encompassing representations can't be processed
All encompassing representations can't be processed☜The all purpose representation a front-end module would provide to a computer model would have to encode a vast amount of information, enough to adapt to all contexts and analogies it might be used in—making it too bulky for efficient processing.☜FFFACD
►
Perception depends on analogy »
Perception depends on analogy
Perception depends on analogy☜How we see things depends in part on what high level analogical processes we use—eg Saddam Hussein will be perceived differently depending on whether he is viewed as analogous to Adolf Hitler (ruthless aggressor) or Robin Hood (generous crusader).☜FFFACD
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Analogies only drawn from pre-structured representations »
Analogies only drawn from pre-structured representations
Analogies only drawn from pre-structured representations☜SME creates analogies using high-level representations that are strucured with those specific analogies in mind. Its behaviour provides no evidence for intelligence because the analogies it discovers are already built into the data it works with.☜FFFACD
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Front-end assumption is dubious »
Front-end assumption is dubious
Front-end assumption is dubious☜Models that use pre-configured representations and hand-tailored data assume that a separate front-end module could be built that would filter sensory data into the models representational form.☜FFFACD
►
SME too rigid in its distinctions »
SME too rigid in its distinctions
SME too rigid in its distinctions☜In order for its analogical mapings to work, SME assumes a rigid distinction between objects, attributes, and relations. But it is unclear whether humans make such a rigid distinction.☜FFFACD
►
Treatment of relations too rigid »
Treatment of relations too rigid
Treatment of relations too rigid☜In SME, relations are treated as n-place predicates that can only be mapped to other n-place predicates. But it is unlikely that human mind is so rigid in its treatment of relational mappings. ☜FFFACD
►
Front-end assumption is dubious »
Front-end assumption is dubious
Front-end assumption is dubious☜Models that use pre-configured representations and hand-tailored data assume that a separate front-end module could be built that would filter sensory data into the models representational form.☜FFFACD
►
Gestalt properties implemented recursively »
Gestalt properties implemented recursively
Gestalt properties implemented recursively☜Recursive loops can explain the Gestalt figure-ground relationship. Recursive loops allow the background of an image to be constructed as a complement (or opposition) to the figure.☜FFFACD
►
METACAT »
METACAT
METACAT ☜The COPYCAT program—see Map 1—could in principle be developed into a new program called METACAT. Metacat would have the reflexive ability to recognise the truth of its own Gödel sentence and could thereby evade the Lucas argument.☜FFFACD
►
Lucas uses a faulty way of identifying differences »
Lucas uses a faulty way of identifying differences
Lucas uses a faulty way of identifying differences☜The Whiteley sentence reveals a flaw in Lucass argument relating to a problem of perspective (see detailed text).☜FFFACD
►
Inconsistency without explosion of belief »
Inconsistency without explosion of belief
Inconsistency without explosion of belief☜Lucass argument depends on the assumption that if humans were inconsistent, they would be committed to believing anything and everything. But this conclusion follows from a rule of propositional logic we have no reason to believe holds for humans.☜FFFACD
►
Common sense and connectionism »
Common sense and connectionism
Common sense and connectionism ☜Commonsense reasoning in humans is best explained by a mental topology of conceptual halos, which can be understood, in the subsymbolic framework, as overlapping regions in the abstract space.☜FFFACD
►
Front-end Assumption is dubious »
Front-end Assumption is dubious
Front-end Assumption is dubious☜Models that use pre-configured representations and hand-tailored data assume that a separate front-end module could be built that would filter sensory data into the models representational form.☜FFFACD
►
The ELIZA effect »
The ELIZA effect
The ELIZA effect☜The ELIZA effect is a tendency to read more into computer performance than is warranted by their underlying code—e.g. the psychotherapy program ELIZA gives apparently sympathetic responses, but in fact is only utilizing a set of canned responses.☜FFFACD
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Προστέθηκε από:-
David Price
NodeID:
#2781
Node type:
Protagonist
Ημερ/νία δημιουργίας(GMT):
7/20/2007 6:14:00 PM
Ημερ/νία τελευτ. επεξεργασίας(GMT time):
7/20/2007 6:14:00 PM
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