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Related Experiment Video

Updated: Jun 2, 2026

Conditions Affecting Social Space in Drosophila melanogaster

Conditions Affecting Social Space in Drosophila melanogaster

Published on: November 5, 2015

Geographic constraints on social network groups.

Jukka-Pekka Onnela¹, Samuel Arbesman, Marta C González

¹Department of Health Care Policy, Harvard Medical School, Boston, Massachusetts, United States of America. onnela@med.harvard.edu

|April 13, 2011

Summary

This summary is machine-generated.

Social group geography is constrained by size. Small groups stay geographically tight, but larger social networks (over 30 members) become more clumped, impacting information spread.

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Area of Science:

Social network analysis
Human geography
Computational social science

Background:

Social interactions are fundamentally shaped by geographical constraints.
Evaluating the impact of geography on social group structure has been practically challenging.
Understanding spatial limitations on social networks is crucial for studying societal dynamics.

Purpose of the Study:

To investigate the relationship between the geographical distribution and size of social groups.
To explore how network topology correlates with the physical locations of individuals within groups.
To determine the spatial constraints on social group formation and information diffusion.

Main Methods:

Construction of a social network using individuals' most frequent geographical locations.
Application of a community detection algorithm to classify individuals into social groups.
Analysis of geographical span for groups of varying sizes and correlation with topological positions.

Main Results:

Small social groups exhibit tight geographical clustering.
Social groups exceeding approximately 30 members show increased geographical clumping.
No significant correlation was found between individuals' topological and geographical positions within network communities.

Conclusions:

Social group structure is significantly influenced by geographical constraints, particularly concerning group size.
The spatial distribution of members within social networks affects the nature of spreading processes.
Findings suggest distinct structural and spatial limitations on how information and behaviors propagate through social networks.