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