Survival of the Fittest – Utilization of Natural selection Mechanisms for Improving PLE

Survival of the Fittest – Utilization of Natural selection Mechanisms for Improving PLE ,[object Object]

http://ple.tugraz.at Mashup of widgets

Darwin’s theory ,[object Object],[object Object],[object Object],[object Object]

Selections ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Different probabilities for the survival are the base for the selection mechanism .

Selection Mechanisms* Stabilizing Selection : - Favorites the average. - Decrease of variability within the population. ,[object Object],[object Object],[object Object],[object Object],[object Object],*Solbrig O.T. (1970). Principles and Methods of Plant Biosystematics. The Mac-Millan Company. Collier-Mac Millan Limited, London. *Solbrig O.T. & D.J Solbrig. (1979). Populationbiology and evolution. Addision-Wesley. Publ. Co. Reading Mass.

r/K Selection Theory* Tradeoff btw. quantity & quality of offspring In long term K-strategy is superior. Quality succeeds in long run over quantity. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],In PLE a mixed approach was applied. *Pianka E.R. (1970). On r and K selection. American naturalist 104, 592-597. *MacArthur, R. and Wilson, E.O. (1967). The Theory of Island Biography, Princeton University Press (2001 reprint).

Variations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],The Evolution never stops. In PLE : slight update of existing functionality or UI In PLE : combining code of different widgets to build new ones

Tracking module in PLE ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Most activated widgets are not necessarily most used ones

Conclusion & Future Work ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Survival of the Fittest – Utilization of Natural selection Mechanisms for Improving PLE

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Survival of the Fittest – Utilization of Natural selection Mechanisms for Improving PLE