01_Basic concepts in medical informatics
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data
DATUM:
represents
phenomen
process
models
Caratteristiche
different models for the same object: not unique
degrades with time
organ
single observation
Has a value
eterogenity
Numbers.. signals.. Images
interpretation of the real world: less detailed
Used as templates (Instantiation)
examples in medicine
abstraction: distortion of the real world
information
information systems
come from
data
Knowledge
set of models
terminology
grammar
process of data interpretation
models needed
database
knowledge base
ontology
inference procedure
set of interacting components
has
internal structure
behaviour
inputs and outputs
contain data and models
aim reducing :
complexity of the healthcare process
probability of incurring in errors
effort in decision process