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Description · Changes

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Reverted "Building-and-Releasing/Checklist-Make-a-Release.md" which was... authored Nov 04, 2020 by Benedikt Kleinmeier's avatar Benedikt Kleinmeier
Reverted "Building-and-Releasing/Checklist-Make-a-Release.md" which was (accidentally?) deleted by a working student and updated "_sidebar"
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Modelling/Groups/Description.md 0 → 100644
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## What is a group?
> ### We consider a group as an aggregation of persons who stay together while moving. They move at approximately the same speed towards the same goal.
>
> -- <cite>G. Köster • F. Treml • M. Seitz
> -- Validation of Crowd Models Including Social Groups (koster-2014)</cite>
## Small Subgroup
- At most four or five persons
- All individuals in the group move towards the same goal.
- Members of a group stay together. Permanent separation of a member from the rest of the group may occur but only in extreme situations.
- All individuals in the group move with the same speed, except for temporal variations caused, for example, by avoiding obstacles and collisions with others.
- The (cooperative) group slows down when a member stays behind.
- Small groups have a basic spatial structure that stays relatively unchanged if walking across a free space, but can be temporarily deformed by external influences such as the presence of a crowd, oncoming traffic or obstacles: They walk abreast.
## Larger Groups
- Large groups divide into smaller communication groups of up to four pedestrians that are formed in a way to facilitate communication within the subgroups.
- The whole group stays loosely together, but – due to lack of substantial evidence – no formation among the subgroups is assumed at this point.
## BibTex-Keys
- seitz-2014: Pedestrian Group Behavior in a Cellular Automaton
- koster-2011b: On modeling the influence of group formations in a crowd
- koster-2014: Validation of Crowd Models Including Social Groups
## Pages
- [Validation Tests](/Modelling/Groups/validation-tests)
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