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Research Articles

STGI:a spatio-temporal grid index model for marine big data

ORCID Icon, , , , , , , & ORCID Icon show all
Pages 435-450 | Received 07 Feb 2020, Accepted 28 Oct 2020, Published online: 27 Nov 2020

Figures & data

Figure 1. GeoSOT subdivision theory and grid code

Figure 1. GeoSOT subdivision theory and grid code

Figure 2. The Z-order filling curve of GeoSOT grid code

Figure 2. The Z-order filling curve of GeoSOT grid code

Figure 3. Spatio-temporal grid index structure

Figure 3. Spatio-temporal grid index structure

Figure 4. Example of grid-level selection

Figure 4. Example of grid-level selection

Table 1. Metadata table structure

Table 2. Hardware environment configuration

Table 3. Software environment configuration

Table 4. Range query experiments in different time ranges (unit: ms)

Figure 5. STGI vs “lat_lon_height+time.”

Figure 5. STGI vs “lat_lon_height+time.”

Figure 6. STGI vs primary index model

Figure 6. STGI vs primary index model

Figure 7. Query time ratios of two index models

Figure 7. Query time ratios of two index models

Figure 8. Comparisons of index models with different levels

Figure 8. Comparisons of index models with different levels
Supplemental material

Supplemental Material

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Data availability statement

For the moment, the data from the project are not publicly available. The data that support the findings of this study will be available on request from the authors.