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 | [...] |