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????????? ??G?S??S ????????S ????G???
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YOU ARE NOW ENTERING TO THE WORLD OF
AGENT BASED MODELS
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?? e??a? ta Agent Based Models
! ??? ????? ????? S??S? ?? ????S?????
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?? e??a? ta Agent Based Models
?a agent based models e??a? µ??t??a p??s?µ???s??
e??? ?e?t???????? s?st?µat??, te???t?? ?
f?s????,ta ?p??a ßas???µe?a se a?t???µe?
????sµ???? µ???de? µe te????? ???µ?s??? µa?
d????? t?? d??at?t?ta ?a pe????????µe t? d??aµ???
e??? s?st?µat?? ?a??? ?a? ?a e?????µe
s?µpe??sµata ??a t?? ?e?t?????a t??.
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?st???a
?? 1970 ? µa??µat???? ???? ?????e? (John Conway)
ep????se ?? ?a????d? ??? ???? ? ap???ste?a
Life. ??s?ast???, p???e?ta? ??a ??a
???e??e?d?? a?t?µat? (cellular automaton). ?
???? agent based models ???s?µ?p??????e p??t?
f??? st?? a???? t?? de?aet?a? t?? 1990 ??a ?a
pe??????e? t? te???????a t?? p??s?µ???se?? µe t?
µ??f? ???e??e?d??, ????a????ta? st?? ?p?????st???
??e??a.
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?a agent based models ß??s???? efa?µ???

• ????O?????G??
• ??T?O????G??
• ?????????
• ????????S?
• ????????
• ???????O???S
• ?????G??

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????sµ???
?? ????sµ??? t? ?p??? ???s?µ?p??e?ta? ?at? t??
efa?µ??? t?? p??s?µ???se?? e??a? ap?t??esµa t??
s??d?asµ???? ???s?? p????µ???? te?????? ap? t?
???? t?? p????f??????, d??ad?

• ????p?a?t????? S?st?µata (Multi Agent Systems)
• Ge?et???? ???????µ?? (Genetic Algorithms)
• ???e??e?d? ??t?µata (cellular automaton)

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??µ? s?st?µat??
?? pe??ß????? µ?sa st? ?p??? p?a?µat?p??e?ta? ?
p??s?µ???s? e??a? ??a? d?sd??stat?? ????? ?
?p???? pe????e? eµp?d?a, pa??de?, t??f? ?a?
p???t??e?. ???e µ?a ap? t?? pa?ap??? µ???de?
d?a??te? ?d?a?te?a ?a?a?t???st??? ta ?p??a
ep?ß????ta? ap? t? e?d?? t?? s?st?µat?? p??
?????µe ?a p??s?µ???s??µe.
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?e??ß?????
G?a t?? p??sd????sµ? t?? ????? p??s?µ???s??
???s?µ?p????µe ??a d?sd??stat? tet?a??????
p???µa. ???e p???t??a? ?ata?aµß??e? ??a
tet??????(?e??) e?? ???e eµp?d??, pa??da ? t??f?
µp??e? ?a ?ata?aµß??e? pe??ss?te?a ap? ??a
tet?????a.
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?e??ß?????
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????t??e?

• ?ata?aµß??e? ??a s???e???µ??? ?e??. ???a? ad??at?
  ? ?pa??? d?? p?a?t???? st? ?d?? ?e??.
• ? ????s? t?? p?a?t???? ???eta? µe ß?s? ?a???e?.
• ????? ?a?a?t???st??? t?? p???t??a e??a? ?
  e????e?? t??. S??p?? t?? p???t??a e??a? ?a
  a???se? t?? e????e?? t?? ?????µe??? µe? st? ????
  ?a? s???????ta? t??f?.
• ???e ????s? ep?f??e? ap??e?a e????e?a?. ?s?
  µe?a???e? se ?????a ? p???t??a?, t?s? ? ap??e?a
  e????e?a? a?? ????s? a????eta?.
• ? s????t?s? t?? p???t??a µe pa??da ep?f??e?
  µe???? ap??e?a e????e?a?. ??? ?at? t?? s????t?s?
  d?? p?a?t???? ????µe a?ta?a?? ?a?????.

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????t??e?

• ???e p???t??a? ??e? ??a s???e???µ??? ?pt??? ped??
  ?a? ??e? t? d??at?t?ta ?a a?a??????e? a?t??e?µe?a
  µ??? ?ta? a?t? ß??s???ta? e?t?? t?? ped???.
• ????? t?? d??at?t?ta a?apa?a?????. ?a?????? ??a?
  ?ea?? p???t??a ?????ta? se e????e?a. ? ?ea???
  p???t??a? ?e????e? t? ??? t?? µe ??a s???e???µ???
  pa??t? ?a?????.

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?a???e?
? ???s? t?? p?a?t???? ??a t? pe??ß????? t???
st????eta? se ??a s????? ?a????? µe ß?s? t???
?p????? ?? p???t??e? ??????ta? ?a? ?a???????? t?
s?µpe??f??? t??? ?e????te?a µ?sa st? ????s?st?µa.
?a??????a a?apt?????e ??a s?st?µa a???????s?? ?a?
ße?t??s?? a?t?? t?? ?a????? µe ß?s? t???
?e?et????? a??????µ???.
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?a?at???s? - ?e??te?
? ap?? pa?at???s? t?? p???µat?? p??s?µ???s?? ?a?
t?? µ???d?? p?? d???? p??? se a?t? de? e??a?
a??et? ??a t?? e?a???? asfa??? s?µpe?asµ?t??. G?a
t? ???? a?t? ????? ???ste? ???sµ???? de??te? ??
t?µ?? t?? ?p???? e?a?t??ta? ap? t?? p??e?a t??
p??s?µ???s??. ?e a?t? t?? t??p? d??eta? ?
d??at?t?ta st?? e?e???t? ?a pa?at??e? ß?s?
a???µ?t???? ded?µ???? t?? p??e?a t??
????s?st?µat??.
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?a?at???s? - ?e??te?
G?a t? pe??ß????? x??s?µ?p?????ta? de??te? ?p??

• ??a?es?µ?t?ta p???? (Resource availability)
• ???????µ??f?a pe??ß?????t?? (Environmental
  variety)
• ????p?st?a ?e??ß?????t?? (Environmental
  reliability)

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?a?at???s? - ?e??te?
G?a t??? p???t??e? x??s?µ?p?????ta? de??te? ?p??

• ?????e?a
• ?p?te?esµat???t?ta
• ???µ?? S??????? ???f??
• ???µ?? S??????s?? µe ?a??da
• ???µ?? ??apa?a?????
• ???µ?? ??t?µet?p?s?? ????st?? ?atast?se??

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?? p??sf??e? ? efa?µ??? t?? M.A.S. st?? ??e??a
??s? t?? efa?µ???? e??? agent based model s??p??
µa? e??a? ? pa?a???? e??? µ??t???? p??s?µ???s??
p?? ?a p??s???e? ?s? t? d??at?? t?? p?a?µat????
s?????e? t?? ????s?st?µat?? t? ?p??? µe?et?µe.
????ta? ?? ß?s? t? µ??t??? ????µe t? d??at?t?ta
?a p?a?µat?p???s??µe µ?a p??????a pe??aµ?t?? p???
st?? e?e???t??? t?? p??e?a, t??? ??????? ???? t??
???a??sµ?? t?? ????s?st?µat??, t? d??at?t?ta
ep?ß??s?? t?? ?a? t??? µ??a??sµ??? p?? ?a????????
t?? d??aµ??? t?? p??e?a.
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?? p??sf??e? ? efa?µ??? t?? M.A.S. st?? ??e??a
?? pa?at???se?? µa? ?at? t?? efa?µ??? t??
p??s?µ???se?? ?a? ta ded?µ??a p?? s???????µe ap?
t??? de??te? p?? t? ???e µ??t??? ???s?µ?p??e? µa?
d????? t? d??at?t?ta ?a e?????µe s?µpe??sµata ??a
t? ?e?t?????a t?? ????s?st?µat?? ?a? ??a t?
s?µpe??f??? t?? ?p? µe??t? p????sµ??
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??a??s?µa ??????µµata
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Ge???? s?µpe??sµata ??a ta Agent Based Models
? ???s? t?? A.B.M. µa? d??e? µ?a p?????a
d??at?t?t?? st?? pa?a???????s? t?? p??e?a? t??
??????????? s?st?µ?t?? ?a? st?? pe??aµat?sµ?
e?t?? ped???. ? d?a??s?µ? ?µ?? te???????a e??a?
a?at?????? ??a t?? e?a???? ap???t?? s?µpe?asµat??
??a d?? ??????
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Ge???? s?µpe??sµata ??a ta Agent Based Models
? e?a???? s?µpe?asµ?t?? ??a t? ?e?t?????a e???
????s?st?µat?? apa?te? t?? p???? ???s? t??
µ??a??sµ?? ?a? t?? ?a????? p?? d??p??? t?
????s?st?µa. Ge????? p?? de? ?f?stata? st?? µ??e?
µa?.
???µa ?a? a? ??????aµe ?a? t?? pa?aµ????
?ept?µ??e?a ??a ta ????s?st?µata p?? ?????µe ?a
µe?et?s??µe, t? d?a??s?µ? ????sµ??? de? µa?
ep?t??pe? ?a pe??s??µe µ?sa st?? p??s?µ???s?
????? t?? pa?????te? p?? d??p??? t?? ?e?t?????a
t?? ????s?st?µ?t??.
???µa ?a? a? ??????aµe ?a? t?? pa?aµ????
?ept?µ??e?a ??a ta ????s?st?µata p?? ?????µe ?a
µe?et?s??µe, t? d?a??s?µ? ????sµ??? de? µa?
ep?t??pe? ?a pe??s??µe µ?sa st?? p??s?µ???s?
????? t?? pa?????te? p?? d??p??? t?? ?e?t?????a
t???
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?e????, ???? ßas????ta? st??? ????t??e?
?a??? G???t??