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GitHub IssueTermIdentifier (current)Definition (current)Comments (current)Examples (current)Term (revised)Identifier (revised)Definition (revised)Comments (revised)Examples (revised)NotesRefer to semantic model
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https://github.com/tdwg/material-sample/issues/2MaterialSamplehttp://rs.tdwg.org/dwc/terms/MaterialSampleA physical result of a sampling (or subsampling) event. In biological collections, the material sample is typically collected, and either preserved or destructively processed.A whole organism preserved in a collection. A part of an organism isolated for some purpose. A soil sample. A marine microbial sample.MaterialSamplehttp://rs.tdwg.org/dwc/terms/MaterialSampleA physical object that represents a physical entity of interest in whole or in part.
In biological collections, the material sample is typically collected, and either preserved or destructively processed. Material samples can retain their identity even while gaining and losing material parts. See also https://en.wikipedia.org/wiki/Sample_(material)the undetached leg of an animal, an aggregate of animals, an animal, soil, water, a museum collection object, a vial of tissueTerm change draft - https://github.com/tdwg/material-sample/issues/2#issuecomment-1084808918 Wikipedia https://en.wikipedia.org/wiki/Sample_(material) or how about BFO MaterialEntity? http://purl.obolibrary.org/obo/BFO_0000040 http://purl.obolibrary.org/obo/BFO_0000040
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https://github.com/tdwg/material-sample/issues/20materialSampleIDhttp://rs.tdwg.org/dwc/terms/materialSampleIDAn identifier for a MaterialSample object (as opposed to a particular digital record of the material sample). In the absence of a persistent global unique identifier, construct one from a combination of identifiers in the record that will most closely make the materialSampleID globally unique. Recommended best practice is to use a persistent, globally unique identifier.06809dc5-f143-459a-be1a-6f03e63fc083materialSampleIDhttp://rs.tdwg.org/dwc/terms/materialSampleIDAn identifier for a particular instance of dwc:MaterialSample.Recommended best practice is to use a persistent, globally unique identifier. In the absence of a persistent global unique identifier, construct one from a combination of identifiers in the record that will most closely make the materialSampleID globally unique. This identifier is for the physical object as opposed to a particular digital record of the material sample

REVISION PROPOSAL:
Values of dwc:materialSampleID are intended to uniquely identify each particular material sample (instance of dwc:MaterialSample) within a group of material samples over time. While it is not required, recommended best practice is to use persistent, globally unique identifiers. These identifiers are for the physical object as opposed to a particular digital record of the material sample.

SECOND PROPOSAL:
Values of dwc:materialSampleID are intended to uniquely and persistently identify a particular material sample (instance of dwc:MaterialSample) within some context. Examples of context include a particular sample collection, an organization, or the worldwide scale global internet. Recommended best practice is to use a persistent, globally unique identifier. If local identifiers are used, the scope of their uniqueness must be explicitly stated (collection, organization, program...). The identifier is bound to a physical object (the material sample) as opposed to a particular digital record (representations) of that physical object.		06809dc5-f143-459a-be1a-6f03e63fc083, doi - https://www.doi.org/, ark - https://arks.org/ We separating old school (traditional catalog number) from new school (globally persistent registered ID) Do we need a new identifier for the digital record of the material?
JW says NO we need to keep all identifiers in one field.
But now we also have some actionable identifers and some not in the same place.
Need a primary key and it cannot be NULL so this is not workable unless catalogNumber is the primary key which seems less than good.
As GBIF publishes, they provide a GUID which could go here.
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https://github.com/tdwg/material-sample/issues/14materialSampleTypematerialSampleTypehttp://rs.tdwg.org/dwc/terms/materialSampleTypeThe type or general nature of a dwc:MaterialSampleRecommended best practice is to use a controlled vocabulary.Note that this property is abiguous, and can specify the kind of object that the specimen is (E.g. see vocabulary at https://github.com/isamplesorg/metadata/blob/main/vocabulary/SpecimenTypeDecisionTreev2.pdf
see also https://w3id.org/isample/vocabulary/specimentype/0.9/specimentypevocabulary), the material that constitutes the sample, or what kind of thing the sample is intended to represent (the sampled feature). These are largely orthogonal.
What do you have? There seems to be a hierarchy, but can we handle that? Look at what people actually use then mine it for a starting point. Need to point to the vocabulary you are using.
Controlled vocab is out of scope for us - next task group! Hierarchy would be built in SKOS(?)
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materialSampleTypeIDAn identifier for a particular instance of dwc:MaterialSampleType.Request iri or use a label...would allow for translations but summarizing data - maybe wait for next round of MaterialSample work...
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https://github.com/tdwg/material-sample/issues/15parentMaterialSampleIDAn identifier for the broader MaterialSample from which this and potentially other MaterialSamples were derived, or which they collectively comprise.Recommended best practice is to use a persistent, globally unique identifier for a dwc:MaterialSample or an identifier for a dwc:MaterialSample that is specific to the data set.6e43b33d-88ce-4a37-ad94-74d6c99b9e25, urn:uuid:11142195-4865-4b52-baed-1b76a39613a3An identifier for the broader dwc:MaterialSample from which this and potentially other dwc:MaterialSamples were derived, or which they collectively comprise.Recommended best practice is to use a persistent, globally unique identifier for a dwc:MaterialSample or an identifier for a dwc:MaterialSample that is specific to the data set.6e43b33d-88ce-4a37-ad94-74d6c99b9e25, urn:uuid:11142195-4865-4b52-baed-1b76a39613a3Could a dwc:catalogNumber be the same as this identifier?
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https://github.com/tdwg/material-sample/issues/3PreservedSpecimenhttp://rs.tdwg.org/dwc/terms/PreservedSpecimenA kind of sample that has been preserved.A plant on an herbarium sheet. A cataloged lot of fish in a jar.Deprecate and make this part of recommended controlled vocabulary for materialSampleType
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https://github.com/tdwg/material-sample/issues/5FossilSpecimenhttp://rs.tdwg.org/dwc/terms/FossilSpecimenA kind of sample that is the remains, impression, or trace of any once-living thing from a past geological age preserved in a rock body. (https://en.wikipedia.org/wiki/Fossil)Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved in amber, hair, petrified wood, oil, coal, and DNA remnants.A body fossil. A coprolite. A gastrolith. An ichnofossil. A piece of a petrified tree.Deprecate and make this part of recommended controlled vocabulary for materialSampleType
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https://github.com/tdwg/material-sample/issues/4LivingSpecimenhttp://rs.tdwg.org/dwc/terms/LivingSpecimenA kind of sample that is a living organism.A living plant in a botanical garden. A living animal in a zoo.Deprecate and make this part of recommended controlled vocabulary for materialSampleType
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