[Esip-soil-informatics] FW: Followup questions from 5 May GLOSIS presentation
Todd-Brown, Kathe
kathe.toddbrown at essie.ufl.edu
Fri May 7 10:28:26 EDT 2021
From: Raul Palma <rpalma at man.poznan.pl>
Date: Friday, May 7, 2021 at 5:13 AM
To: "Egmond, Fenny van" <fenny.vanegmond at wur.nl>, Luís de Sousa <luis.desousa at isric.org>, Tomáš Řezník <tomas.reznik at sci.muni.cz>, Kathi Schleidt <kathi at datacove.eu>, "Bulens, Jandirk" <jandirk.bulens at wur.nl>, Bogusz Janiak <bogusz.janiak at gmail.com>
Cc: "Todd-Brown, Kathe" <kathe.toddbrown at essie.ufl.edu>
Subject: Re: [Esip-soil-informatics] Followup questions from 5 May GLOSIS presentation
Hi,
Sure, from my side I can say a few words.
Regarding question 1.
Indeed, the concepts are not having a textual description, apart from the codelists: https://github.com/rapw3k/glosis/blob/master/glosis_cl_v1.0.0.ttl
The definition is at the owl level, so for example,
BulkDensityWholeSoil we can see that
* is a subclass of sosa:Observation
* hasFeatureOfInterest a Layer or a Horizon
* the observedProperty is bulkDensityWholeSoilProperty
* and the expected values are numeric (float) measured in KiloGM-PER-DeciM3
Nevertheless, I agree having also textual descriptions would be a good addition.
This would require, though, to go through documentation and excels of the GLOSIS, but should be done.
Regarding question 2.
I think the view on this is a bit reverse.
The main concept taxonomy of the soil domain is derived from the ISO28258, as you can see in the picture attached.
Then all the observation types that we have defined in GloSIS are connected to those soil concepts (via the hasFeatureOfInterest property).
So, the domain knowledge is there but is not modelled as subclasses of soil concepts, but as types of observations of soil concepts.
To make it more explicit, we could make a superclass for all those observations, e.g., , something like “SoilObservation” (as a subclass of sosa:Observation) and then make all our observations subclasses of that superclass (instead of being subclass of sosa:Observation). This way it could be clear that these are observations of soil concepts, but in terms of explicit semantics is not really adding much.
Perhaps others here have some opinions in this regard?
Cheers,
Raul
From: "Egmond, Fenny van" <fenny.vanegmond at wur.nl>
Date: Friday, 7 May 2021 at 10:38
To: Raul Palma <rpalma at man.poznan.pl>, Luís de Sousa <luis.desousa at isric.org>, Tomáš Řezník <tomas.reznik at sci.muni.cz>, Kathi Schleidt <kathi at datacove.eu>, "Bulens, Jandirk" <jandirk.bulens at wur.nl>
Cc: "Todd-Brown, Kathe" <kathe.toddbrown at essie.ufl.edu>
Subject: FW: [Esip-soil-informatics] Followup questions from 5 May GLOSIS presentation
Hi,
I don’t know if you receive the emails on the emailstring below, so just to be sure I forward to you. Would one of you like to answer to Gary through the mailing list?
Thanks!
Fenny
-----------------------------------------------------------------------------------------------------------------------------------------------------
Fenny van Egmond
Wageningen Environmental Research (and ISRIC – World Soil Information)
Postbus 47, 6700 AA, Wageningen
Wageningen Campus, Gebouw 101 (Gaia), Room G.C.010 (mon, tu, fr) and Room C.111 (wed, th, fr)
Droevendaalsesteeg 3, 6708 PB, Wageningen
T. +31(0)317 480406
E. fenny.vanegmond at wur.nl<mailto:fenny.vanegmond at wur.nl>
[cid:image001.jpg at 01D74331.E2044C70]
www.wur.nl/environmental-research<http://www.wur.nl/environmental-research>
From: Esip-soil-informatics <esip-soil-informatics-bounces at lists.esipfed.org> On Behalf Of Gary Berg-Cross via Esip-soil-informatics
Sent: Thursday, May 06, 2021 19:38
To: Todd-Brown, Kathe <kathe.toddbrown at essie.ufl.edu>
Cc: ESIP, soil info <esip-soil-informatics at lists.esipfed.org>
Subject: Re: [Esip-soil-informatics] Followup questions from 5 May GLOSIS presentation
Raul,Et al.
I have two followup questions from the GLOSIS ontology presentation that there wasn't time
to cover during our hour session.
1. Are there definitions in the GLOSIS ontology?
When I look at a class in the ontology like " BulkDensityWholeSoil" I don't see definitions.
I used the link:
http://w3id.org/glosis/model/layerhorizon#BulkDensityWholeSoil<https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fw3id.org%2Fglosis%2Fmodel%2Flayerhorizon%23BulkDensityWholeSoil&data=04%7C01%7Cfenny.vanegmond%40wur.nl%7C595735a6b14c4eb2735108d910b5fd78%7C27d137e5761f4dc1af88d26430abb18f%7C0%7C0%7C637559196823096956%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=5ErI2RUedWHG89qwam7bQAn3jOdlfRBQK%2BkJbIPMhwY%3D&reserved=0>
And I can see a text version of the Owl file.
For BulkDensityWholeSoil it is this segment info:
glosis_lh:BulkDensityWholeSoil a owl:Class ;
rdfs:subClassOf sosa:Observation ;
rdfs:subClassOf [ a owl:Restriction ; owl:onProperty sosa:hasFeatureOfInterest ; owl:allValuesFrom [owl:unionOf (glosis_lh:GL_Layer glosis_lh:GL_Horizon) ] ] ;
rdfs:subClassOf [ a owl:Restriction ; owl:onProperty sosa:hasResult ; owl:allValuesFrom glosis_lh:BulkDensityWholeSoilValue ] ;
rdfs:subClassOf [ a owl:Restriction ; owl:onProperty sosa:observedProperty ; owl:hasValue glosis_lh:bulkDensityWholeSoilProperty ] .
glosis_lh:bulkDensityWholeSoilProperty a sosa:ObservableProperty , qudt:Quantitykind ;
rdfs:label "bulkDensityWholeSoilProperty"@en .
glosis_lh:BulkDensityWholeSoilValue a owl:Class ;
rdfs:subClassOf qudt:QuantityValue ;
rdfs:subClassOf [ a owl:Restriction ; owl:onProperty qudt:numericValue ; owl:allValuesFrom xsd:float ] ;
rdfs:subClassOf [ a owl:Restriction ; owl:onProperty qudt:unit ; owl:hasValue unit:KiloGM-PER-DeciM3] .
So no commented definition for this concept. In general I don't see definitions, but would believe you have them, they are useful for understanding the model of the domain. What am I missing?
2. I'd like to know more about thoughts on the "domain" taxonomy and structure.
I see ample organization using concepts like sites and things that Observations out of SOSA and SSN.
These are bottom line useful for soil data by code etc.
But there seems to be little about the soil domain itself (like sub-classes).
Am I missing something or is that an issue?
I've attached a portion of the WebVowl view of Glosis which might make clearer
how I understand the domain organization and absence of a Soil concept as an organizer.
This would be useful for a real use case and for harmonizing across efforts.
Perhaps you have plans here.
[cid:image002.png at 01D74331.E2044C70]
Thanks,
Gary Berg-Cross
Ontolog Forum
Potomac, MD
240-426-0770
On Wed, May 5, 2021 at 3:31 PM Todd-Brown, Kathe via Esip-soil-informatics <esip-soil-informatics at lists.esipfed.org<mailto:esip-soil-informatics at lists.esipfed.org>> wrote:
Thank you Raul for a fantastic overview of the GloSIS ontology. If you missed it you can find the recording here: https://youtu.be/q79p_oA5rtU<https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fyoutu.be%2Fq79p_oA5rtU&data=04%7C01%7Cfenny.vanegmond%40wur.nl%7C595735a6b14c4eb2735108d910b5fd78%7C27d137e5761f4dc1af88d26430abb18f%7C0%7C0%7C637559196823096956%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=BZXVbl%2BZXqEaJuX6ISCMKF1AFPAqL9WEKNtSE0tldlI%3D&reserved=0> and Anne D took fantastic notes in the logistics document.
Brief housekeeping: We now have ONE zoom room for both meetings and the easy and convenient calendar generating links might not auto update. Sorry that this information keeps changing, please double check your calendar to make sure it matches the information on the google document https://docs.google.com/document/d/1_SIm_3e9xpni_64zdAU1DZrFEd8YcIerbsihDJq4qwY/edit?usp=sharing<https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdocs.google.com%2Fdocument%2Fd%2F1_SIm_3e9xpni_64zdAU1DZrFEd8YcIerbsihDJq4qwY%2Fedit%3Fusp%3Dsharing&data=04%7C01%7Cfenny.vanegmond%40wur.nl%7C595735a6b14c4eb2735108d910b5fd78%7C27d137e5761f4dc1af88d26430abb18f%7C0%7C0%7C637559196823106951%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=gYlP727iDB9Nq9wW5sxXZ0XGrp1E8fk7Hb06dp98smg%3D&reserved=0>
We will be meeting next on 19 May at 2300UTC. If no one comes forward with a different suggestion, on the agenda will be pulling together a soil semantic resource list for the ESIP Summer meeting (and ourselves!).
We are looking for other presentations! If you know of anyone working with soil data who would be interested in presenting please send them my way!
-Kathe
---------
Katherine Todd-Brown, PhD
Assistant Professor
Environmental Engineering Sciences
Engineering School of Sustainable Infrastructure & Environment
Herbert Wertheim College of Engineering
University of Florida
Office: Rm B006, Phelps Lab, UF main campus
Twitter: @KatheMathBio
Mail: Dr Kathe Todd-Brown
Center for Wetlands
PO Box 116350
Gainesville, FL 32611
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