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Searching for Interactions in GBIF iDigBio Darwin Core Archives
| Property | Value |
|---|---|
| #CPU's | 16 |
| RAM | 30G |
| OS | Ubuntu 20.04.02 LTS |
| SSD | 0.5T |
| Elton version | 0.10.13 |
| Preston version | 0.2.5 |
| Nomer version | 0.1.27 |
A total of 38,268 DwC-Archives are downloaded and processed using elton. elton is capable to find interactions records documented in many different ways in DwC-Archives (e.g. associatedTaxa, associatedOccurrences, resourceRelantionship, occurrenceRemarks, description).
A total of 206,894,040 records were scanned from the DwC-Archives. The total number of records which include potential interactions data (i.e. interaction types (un)recognized by elton) was 2,448,044. The number of recognized interactions was 1,601,092. It corresponds to 65.4% of the total number of potential interactions and 0.77% of the total number records scanned.
The are many different ways to document biological interactions using DwC. elton is capable to recognize many of them, but considering the flexibility of DwC standard it may be unpractical to handle all the possibilities. Thus, biological interactions could be documented in many different ways (not recognized by elton), specially when expressed in natural language using terms such occurrenceRemarks.
The total number of records per DwC term/class is show bellow (it list only terms/classes recognized by elton):
| Term/Class | #Records | % |
|---|---|---|
http://rs.tdwg.org/dwc/terms/associatedTaxa |
2,246,646 | 91.77% |
http://rs.tdwg.org/dwc/terms/associatedOccurrences |
195,083 | 7.97% |
http://rs.gbif.org/terms/1.0/Reference |
4,064 | 0.17% |
http://rs.tdwg.org/dwc/terms/Taxon |
1,521 | 0.06% |
http://rs.tdwg.org/dwc/terms/ResourceRelationship |
677 | 0.03% |
http://rs.tdwg.org/dwc/terms/occurrenceRemarks |
35 | <0.01% |
| TOTAL | 2,448,026 | 100% |