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Table 1 Variables of clusters

From: Bandit strategies in social search: the case of the DARPA red balloon challenge

Variable

Description

asubmission

Submission count: how many submissions the cluster had

aballoon

Balloon count: how many reported locations the cluster had

ateam

Team count: how many teams submitted locations belonging to the cluster

aappear

Appearance time: the earliest appearance time of the cluster

adisappear

Disappear time: the latest appearance time of the cluster

alasting

Lasting time: adisappear - aappear

ahalf-submission

Half-life submissions: time elapsed to reach half of all submissions for the cluster. It’s the different to the appearance time aappear: if the cluster only has 1 submission, the value is 0

ahalf-balloon

Half-life balloons: time elapsed to reach half balloons

ahalf-team

Half-life teams: time it took for the cluster to be detected by half of the teams that report it over the course of the challenge