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I can't follow the entire thread. There is some higher level database thing you guys want to do that is beyond me. I just know that if I search for all mammals from Alaska, I want all the ones on the Alaskan islands and the mainland. Same for Mexican islands. I truly don't understand how Isla Santa Catalina in the Sea of Cortez now has a specific locality of "Isla Santa Catalina, Gulf of California Islands, Isla Santa Catalina, Gulf of California Islands, Baja California Sur". And no mention of Mexico. The island is in the Gulf, but the mice are from the island. Keeping track of political units is also useful due to permits. |
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That is my biggest concern about doing ANYTHING at this point; I thought we were all in unity on the last move, and here we are...
No, the last move was to standardize, to follow external "authorities" The "database thing" was only that we finally got the tools to do that, which we'd been talking about for a decade or two, properly.
I don't think any "authority" is going to confound geography and politics enough to meet that need (nor a few other things recently mentioned), hence my (radical!) suggestion that perhaps "curatorial geography" cannot have any rules at all. There are probably a dozen views of "California" for permitting purposes , for example. (And we could make spatial data of that, but I'm not convinced anyone could use it.)
Georeferencing everything is part of what I thought we were unified on, but there was widespread rejection of the automation.
I'd need an example (and I'm afraid it would just be a distraction to this), but I suspect "Mexico" would be the proper geography assertion for anything on a Mexican island. I don't think this should be framed as a technical problem; I'd not have supported what we did if I didn't think I had a pretty solid mechanism for answering any sort of 'how can we..." question involving standardized data. I think this is entirely a social issue; tell me what you want to do and I'll address the technicalities. |
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Briefly discussed with @mkoo , possibly do something with locality attributes (eg push something to flat.higher_geog, or ???????????). |
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https://github.com/ArctosDB/arctos/issues/7374 is going forward, it will denormalize sea/overlap with IHO, and we should expect this to confound people; they will find one, not the other, and leave without what they came for. This should be somehow addressed. Committee also maybe-kinda suggests GADM (and maybe IHO and probably everyone else...) has a too-limited/structured/something view of geography, perhaps a looser (more administrative?) model would be more appropriate. |
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Some semi-arbitrary comments, originating in part near #8269: Clean functional requirements seem increasingly (from a baseline of "absolutely"!!) necessary if I'm to have any chance at all of suggesting a model which does whatever it is that The Community wants to do. I think the current model is shaping many of the comments in various place-related issues, and these are resulting in what to me seems like technically nonviable situations. I very strongly suggest starting with a clean slate if anything more than minor evolutionary changes are desired. Possibly the model is fine (would still be nice to have a functional requirements analysis to back that up if so) but the data need expansion. For example from "waters outside of the MA polygon ... are still part of MA!" - then surely they recognize that and publish data which supports this?? Is that particular problem simply a matter of Arctos finding such data, and does that scale if so? In the complete opposite direction of the previous comment: "decided to not try and link different watery places with shape files." See my initial comments above, I still wonder if spatial operations should be entirely behind the scenes of some simplified geography model. The ultimate simplification (which may or may not be what anyone wants, I'm only hoping to inspire functional requirements here) would be removing geography altogether: locality attributes are fully capable of simultaneously saying "Atlantic Ocean" and "Massachusetts," and being crafted such that these assertions cannot be seen as erroneous regardless of any other data. |
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https://www.mass.gov/info-details/massgis-data-ocean-mask https://www.mass.gov/info-details/massgis-data-the-massachusetts-coastal-zone |
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Discussed in https://docs.google.com/document/d/1aEzwbnDObmnjKkkyM9BVMqWhKACPloZenfc9kpMHxHo/edit?tab=t.0 - we are in the exploratory phases (@mkoo and @genevieve-anderegg have data) of taking the first step towards what I've hinted at above with "watery geography." That (assuming it proceeds as hoped) may result in consideration of doing the same with dirt-n-rock geography, in which case Arctos would have a fully separated system (possibly there's the elusive functional requirement: separation!) in which
This would be a significant simplification for everyone.
For the example above, "Massachusetts" could mean (hopefully supported by the term definition, but likely NOT supported by a shapefile) whatever it's useful to mean, and could not be considered "wrong" based on any other data (such as coordinates). "Massachusetts" could be defined to include "The Massachusetts Coastal Zone," or those could be separate (and either, neither, or both asserted on any record), or "Massachusetts" and "Massachusetts including The Massachusetts Coastal Zone" could both exist, or WHATEVER - this would all be the domain of the collections. The spatial system (which no user need know exists) could include eg MA according to GADM and I will try to keep this up to date with any discoveries made during the watery collections lead explorations, and we can revisit and decide how and if to proceed with land-based geography after we have some experience with watery. (Keeping in mind that the watery experiment will not be isolated from the complexity of the current system; a further progression would also be a further simplification, assuming nothing too unexpected turns up along the way.) |
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See #7660, https://github.com/ArctosDB/arctos/issues/7374, etc., etc.
Arctos geography is standardized, but I think maybe that's not actually what anyone wants, and constraining assertions to spatial parents was (to my great surprise!) outright rejected. Maybe we should try something else.
One option might be to make table geog_auth_rec a free-for-all (or something simpler, or ????????), and I'll find a new place to do cool stuff with spatial/standardized data.
I'm up for absolutely anything, tell me what ya'll want to do and I'll suggest a model which can do that.
@amgunderson @cjconroy @mkoo @genevieve-anderegg
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