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Public question and answer site for discussions about Darwin Core

Results 112 dwc-qa issues
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I work with datasets who are typically structured with start and end coordinates (ex: start and end positions of a trawl event) and start and end depth values (who are...

Hi, I have been on this quest for a while now because our [project team](https://github.com/iobis/quality-taskteam) is tasked to align OBIS quality checks with the [Core Tests and Assertions](https://github.com/tdwg/bdq/projects/2) from [TDWG...

A data compiler wants to use dynamicProperties both in event.txt and occurrence.txt. The field in event.txt will have key:value data for events, with each eventID potentially having different data. The...

term - record-level
term - Occurrence
term - Event
other types of data - extensions
term - MeasurementOrFact
term - dynamicProperties

There are currently (2023-04-07) 977 occurrence records in GBIF with typeStatus = holotype and basisOfRecord = HumanObservation. The records I've checked fall into 2 classes: 1) holotype occurrences based on...

Question about the use of the dwc:datasetName field. **Scenario**: different groups, as part of a formal national initiative, will each observe the same taxonomic group in their respective region. Some...

new

Greetings @tdwg/dwc See examples for term dwc:month Examples: `1 (January). 10 (October).` - [x] I'm guessing we really only want the numeric, not the text string? yes? - [x] Suggest...

answered

Hi All, while I realize not a recommended best practice, What if, for a given collecting event, for a given specimen, I know if the specimen was observed or collected...

term - Event
term - MeasurementOrFact

Hi there, as my organization further explores using DwCA to package biotic data, there is a common question that i get asked and am a little unsure about. we understand...

We are currently updating our documentation in spanish and found the use of the SI for sampleSizeValue and sampleSizeUnit puzzling. In the examples is documented as 'metre' but in the...

term - Event
answered

An observation. We're starting to work with aggregated reports on data submitted to GBIF. * TaxonWorks uses pipes (`|`) to delimit multiple values, as exemplified in many examples in the...