Self-Organized Discrimination of Resources
Publication Date
May 18, 2011
Journal
PLOS ONE
Authors
Alexandre Campo, Simon Garnier, Olivier Dédriche, Mouhcine Zekkri, et al
Volume
6
Issue
5
Pages
e19888
DOI
https://dx.plos.org/10.1371/journal.pone.0019888
Publisher URL
http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0019888
PubMed
http://www.ncbi.nlm.nih.gov/pubmed/21625643
PubMed Central
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3097225
Europe PMC
http://europepmc.org/abstract/MED/21625643
Web of Science
000290720200043
Scopus
79956197102
Mendeley
http://www.mendeley.com/research/selforganized-discrimination-resources
Events
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Mendeley | Further Information

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Scopus | Further Information

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Figshare

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  • {"files"=>["https://ndownloader.figshare.com/files/773851"], "description"=>"<p>Resource 1 has a carrying capacity matching the group size while the radius of resource 2 varies (represented with a log-scale). The figure reports the proportion of simulations ( CI) that end with the choice of resource 1 ( trials). We consider as chosen the resource occupied by the largest number of individuals. When the two resources have a sufficiently different size, the group decisively selects resource 1. When resources have similar size, the model predicts the random choice of one of the resources. Simulations are produced with a discrete event model based on the system of equations 2 in which individuals probabilistically move between the environment and the resources.</p>", "links"=>[], "tags"=>["Computational biology", "ecology", "computer science"], "article_id"=>444223, "categories"=>["Information And Computing Sciences", "Biological Sciences", "Ecology"], "users"=>["Alexandre Campo", "Simon Garnier", "Olivier Dédriche", "Mouhcine Zekkri", "Marco Dorigo"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0019888.g001", "stats"=>{"downloads"=>1, "page_views"=>4, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Simulations_of_the_extended_model_/444223", "title"=>"Simulations of the extended model.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2011-05-18 01:10:23"}
  • {"files"=>["https://ndownloader.figshare.com/files/774142"], "description"=>"<p>It has a cylindrical body and moves with two motorized wheels. Perception of obstacles or other robots is achieved through infrared sensors distributed around the body. A sensor directed toward the ground allows perception of resources.</p>", "links"=>[], "tags"=>["Computational biology", "ecology", "computer science"], "article_id"=>444515, "categories"=>["Information And Computing Sciences", "Biological Sciences", "Ecology"], "users"=>["Alexandre Campo", "Simon Garnier", "Olivier Dédriche", "Mouhcine Zekkri", "Marco Dorigo"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0019888.g003", "stats"=>{"downloads"=>1, "page_views"=>5, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_The_e_puck_robot_used_in_our_experiments_/444515", "title"=>"The <i>e-puck</i> robot used in our experiments.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2011-05-18 01:15:15"}
  • {"files"=>["https://ndownloader.figshare.com/files/774250"], "description"=>"<p>(<b>A</b> and <b>B</b>) We use a target resource of ideal dimensions and a larger resource. The figures show the number of robots (median CI) at each resource as a function of time in reality and in simulations respectively ( trials). Initially robots find the larger resource more easily, and then their collective choice changes quickly in favor of the target resource. (<b>C</b>) Discriminatory power of the collective behavior as a function of the group size. The inset shows the choice of the target resource by a group of simulated robots when the other resource has different sizes. When the two resources have similar dimensions, the robots are not able to discriminate them properly, and we observe a random choice of the resource (binomial test, ). The main plot shows the minimum resource size difference necessary to observe discrimination. This minimum difference decreases with the group size (binomial test with trials, ). A linear regression performed on the data indicates a significant improvement of the discriminatory power (, t-test ). (<b>D</b>) Median time to make the collective decision in function of the group size. We report the first time when the target resource contains most robots. The time grows linearly with the number of robots involved in the task (, t-test ).</p>", "links"=>[], "tags"=>["Computational biology", "ecology", "computer science"], "article_id"=>444614, "categories"=>["Information And Computing Sciences", "Biological Sciences", "Ecology"], "users"=>["Alexandre Campo", "Simon Garnier", "Olivier Dédriche", "Mouhcine Zekkri", "Marco Dorigo"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0019888.g004", "stats"=>{"downloads"=>1, "page_views"=>5, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Collective_discrimination_between_two_different_resources_/444614", "title"=>"Collective discrimination between two different resources.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2011-05-18 01:16:54"}
  • {"files"=>["https://ndownloader.figshare.com/files/774421"], "description"=>"<p>Summary of the main parameters' values used in our experiments with respect to the group size considered.</p>", "links"=>[], "tags"=>["Computational biology", "ecology", "computer science"], "article_id"=>444791, "categories"=>["Information And Computing Sciences", "Biological Sciences", "Ecology"], "users"=>["Alexandre Campo", "Simon Garnier", "Olivier Dédriche", "Mouhcine Zekkri", "Marco Dorigo"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0019888.t001", "stats"=>{"downloads"=>1, "page_views"=>5, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Parameters_values_/444791", "title"=>"Parameters' values.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2011-05-18 01:19:51"}
  • {"files"=>["https://ndownloader.figshare.com/files/388375", "https://ndownloader.figshare.com/files/388421"], "description"=>"<div><p>When selecting a resource to exploit, an insect colony must take into account at least two constraints: the resource must be abundant enough to sustain the whole group, but not too large to limit exploitation costs, and risks of conflicts with other colonies. Following recent results on cockroaches and ants, we introduce here a behavioral mechanism that satisfies these two constraints. Individuals simply modulate their probability to switch to another resource as a function of the local density of conspecifics locally detected. As a result, the individuals gather at the smallest resource that can host the whole group, hence reducing competition and exploitation costs while fulfilling the overall group's needs. Our analysis reveals that the group becomes better at discriminating between similar resources as it grows in size. Also, the discrimination mechanism is flexible and the group readily switches to a better suited resource as it appears in the environment. The collective decision emerges through the self-organization of individuals, that is, in absence of any centralized control. It also requires a minimal individual cognitive investment, making the proposed mechanism likely to occur in other social species and suitable for the development of distributed decision making tools.</p> </div>", "links"=>[], "tags"=>["self-organized", "resources"], "article_id"=>136699, "categories"=>["Information And Computing Sciences", "Biological Sciences", "Ecology"], "users"=>["Alexandre Campo", "Simon Garnier", "Olivier Dédriche", "Mouhcine Zekkri", "Marco Dorigo"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0019888.s001", "https://dx.doi.org/10.1371/journal.pone.0019888.s002"], "stats"=>{"downloads"=>1, "page_views"=>11, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/Self_Organized_Discrimination_of_Resources/136699", "title"=>"Self-Organized Discrimination of Resources", "pos_in_sequence"=>0, "defined_type"=>4, "published_date"=>"2011-05-18 01:51:39"}
  • {"files"=>["https://ndownloader.figshare.com/files/774332"], "description"=>"<p>(<b>A</b> and <b>B</b>) Ten robots are presented a single large resource and gather in it. After five minutes (dashed line) a target resource is introduced in the environment. Figures show the number of robots (median CI) at each resource as a function of time in reality and in simulations respectively ( trials). We observe a quick adaptation of the collective choice towards the target resource after its introduction. (<b>C</b>) The median adaptation time (plotted in log scale) grows exponentially with the number of robots involved ( trials). We considered that the choice was reverted as soon as there were more robots at the target resource than at the large resource.</p>", "links"=>[], "tags"=>["Computational biology", "ecology", "computer science"], "article_id"=>444703, "categories"=>["Information And Computing Sciences", "Biological Sciences", "Ecology"], "users"=>["Alexandre Campo", "Simon Garnier", "Olivier Dédriche", "Mouhcine Zekkri", "Marco Dorigo"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0019888.g005", "stats"=>{"downloads"=>1, "page_views"=>5, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Adaptivity_of_the_collective_choice_/444703", "title"=>"Adaptivity of the collective choice.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2011-05-18 01:18:23"}

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Relative Metric

{"start_date"=>"2011-01-01T00:00:00Z", "end_date"=>"2011-12-31T00:00:00Z", "subject_areas"=>[{"subject_area"=>"/Engineering and technology", "average_usage"=>[312, 536, 658, 770, 877, 959, 1047, 1128, 1203, 1267, 1324, 1404, 1481, 1548, 1609, 1671, 1739, 1802, 1854, 1915, 1974, 2027, 2101, 2161, 2218, 2280, 2340, 2406, 2457, 2507, 2565, 2631, 2682, 2749, 2796, 2844, 2892]}]}
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