Dear Ontolog-ers, (01)
We are confronted with similar problems concerning colour in our ontology
project related to interpretation of digital images of chronic wounds. To
find solutions for a variety of problems related to that, we opened a
platform (www.woundontology.com). You can enter it using "wound"as login and
password. The first stap we were able to take was the development of an
algorithm for colorimetric calibration. The assessment and measurement of
the temporal changes of wounds using images taken with commercially
available digital cameras can now be calibrated independently of any camera
settings and independently of illumination features. It is our opinion that
the value of this advancement can not be underestimated in the chronic wound
care arena but also in all areas related to quatification of colour
perception, basically because of the growing demand for valuable RCT's. If
someone would be interested in this technology or would like to join our
community, feel free to contact me on svenvanpoucke@xxxxxxxxxxxxxxxxxx (02)
Regards Sven (03)
-----Oorspronkelijk bericht-----
Van: ontolog-forum-bounces@xxxxxxxxxxxxxxxx
[mailto:ontolog-forum-bounces@xxxxxxxxxxxxxxxx] Namens John F. Sowa
Verzonden: dinsdag 18 maart 2008 6:30
Aan: [ontolog-forum]
Onderwerp: Re: [ontolog-forum] Adverbs (was Anthropology of Colour) (04)
Folks, (05)
With all the nested comments upon comments, I'm not sure who
said what. But I'd like add my comments to the following: (06)
>> John buttered the toast slowly
>>
>> would have to be represented using completely different predicates,
>> one for "buttered" and another for "slowly buttered", e.g., "Bjt"
>> and "Sjt" or "Buttered(john,thetoast)" and
>> "SlowlyButtered(john,thetoast)". This is very unsatisfactory, (07)
That point, among others, is a reason why I prefer to represent
all content words in NLs as concept types in CGs (or monadic
predicates in other versions of logic). Then the relations
among instances of those types could be shown by a small number
of relations. (08)
Davidson used relations similar to the *thematic roles* or
*case relations* that link the participants of an action to the
concept that represents verb: Agent (Agnt), Patient (Ptnt),
Instrument (Inst), etc. But I would add other relations such
as Attribute (Attr), which would link a concept that represents
a noun to the concept that represents an adjective or a concept
that represents a verb to a concept that represents an adverb. (09)
Example: "John slowly buttered the toast." (010)
Conceptual Graph Interchange Format (CGIF): (011)
[Person John] [Buttering *x] [Toast *y] [Slow *z]
(Agnt ?x John) (Ptnt ?x ?y) (Attr ?x ?z) (012)
Common Logic Interchange Format (CLIF): (013)
(exists ((x Buttering) (y Toast) (z Slow))
(and (Person John) (Agnt x John) (Ptnt x y) (Attr x z))) (014)
Chris's recommended simplification (015)
(Ex)(Event(e) & Buttering(e,j,t)) (016)
would be represented in CLIF as (017)
(exists ((e Event) (j Person) (t Toast)) (Buttering e j t)) (018)
or in CGIF as (019)
[Event *e] [Person *j] [Toast *t] (Buttering ?e ?j ?t) (020)
These representations could be related to one another
by an equivalence relation in CLIF: (021)
(forall ((e Event) (j Person) (t Toast))
(iff (Buttering e j t)
(exists ((x Buttering))
(and (Agnt x j) (Ptnt x t))))) (022)
or in CGIF: (023)
[Event @every*e] [Person @every*j] [Toast @every*t]
[Equiv [Iff (Buttering ?e ?j ?t)]
[Iff [Buttering *x] (Agnt ?x ?j) (Ptnt ?x ?t)]] (024)
John Sowa (025)
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