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Table 4 Simulation parameters

From: Using social media for sub-event detection during disasters

Parameter Description Value
percGeotagged Perc. of geotagged posts 10%, 15%, 20%
percGeneric Perc. of generic posts 10%, 20%, 30%
distrGeoInfoInText Distribution of geotagging information in the text of a post (PoI/district/street/city) [0.1, 0.1, 0.2, 0.6] [0.1, 0.2, 0.2, 0.5] [0.2, 0.2, 0.2, 0.4]
numSubEvents Number of sub-events 5, 10, 20
postPerSubEvent Min. and max. number of posts for sub-event [10, 50], [20, 100], [30, 150]
subEventRadius Min. and max. radius of the area where the sub-event occurred [50, 100], [50, 150], [50, 200]
distrSubEventPosts Distribution of sub-event posts among levels (PoI/district/street/city level) [0.6, 0.2, 0.1, 0.1] [0.5, 0.2, 0.1, 0.1] [0.4, 0.2, 0.1, 0.3]
numSeeds Number of seeds to be used 10
numSubEvents Number of sub-events 5, 10, 20
numSeeds Number of seeds to be used 10
subEventTypes Types of sub-events [Damage building, ...]
analysisArea Analysis area in which posts are generated [Geographic coordinates ...]
dictionaries Dictionary of terms by type [...]
  1. Default values are shown in bold