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positions with units and/or geneticposition #24
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The math-y representation for this is Allen Interval Calculus. Good for sequence and for time, anything 1-D. Chris knows all about it. I have a figure from an old proposal that lays it all out. Math-wise I could see it being used on paths through a graph. Also need to deal with +/- for positions that are uncertain. |
There are a lot of built in assumptions in FALDO, generalizing classes or properties after the fact could lead to some oddities. Another approach would be to create a more general framework and retrospectively seamlessly slot in FALDO as a specific instance of this. There's no reason why this shouldn't be general enough to encompass other kinds of entities on all kinds of other maps too. |
Allen Interval Algebra applied to genomic intervals: http://dx.doi.org/10.1101/006650 |
Option 3 would break all existing queries so I dislike that. While breaking queries is tolerable if they can be fixed automatically, in this case I don't think they can. The FALDO use case was aimed at sequence databases but it can be extended to deal with genetic maps. I think option 1 and 2 combined is the direction we should go e.g. something like this @prefix faldo:<http://biohackathon.org/resource/faldo>
faldo:CentiRayPosition rdfs:subClassOf faldo:FuzzyPosition ;
faldo:centiRayReference a owl:ObjectProperty ;
rdfs:domain faldo:RadiationHybridMap ;
rdfs:range faldo:CentiRayPosition .
#could be hasCentiRayPosition depending on pull #23
faldo:centiRayPosition a owl:DatatypeProperty ;
rdfs:domain faldo:CentiRayPosition .
faldo:RadiationHybridMap a owl:Class .
faldo:radiationDoseUsedToGenerateMapInRads ;
rdfs:range faldo:RadiationHybridMap . A similar solution would be required for Cytogenetic Maps. |
generally it seems fine.... but dosing property here would still require units. |
any updates to this? Don't forget about centiMorgan positions. |
also, position values need to be able to be floats/ non-integer numbers. |
@nlwashington do you have any modelling suggestions as which unit ontology to use for the dosing propery/values? e.g. http://www.qudt.org/qudt/owl/1.0.0/quantity/Instances.html#DoseEquivalent faldo:centiRayPosition a owl:DatatypeProperty ;
rdfs:range xsd:decimal ; Would give us a wide range of position values. |
@prefix faldo:<http://biohackathon.org/resource/faldo>
faldo:CentiMorganPosition rdfs:subClassOf faldo:FuzzyPosition ;
faldo:centiMorganReference a owl:ObjectProperty ;
rdfs:domain faldo:LinkageDistanceMap ;
rdfs:range faldo:CentiRayPosition .
faldo:centiMorganPosition a owl:DatatypeProperty ;
rdfs:domain faldo:CentiMorganPosition .
#please think of a better name
faldo:LinkageDistanceMap a owl:Class . @nlwashington could you try sharing some data snippets encoded in this way and tell us if this works for you? |
ok, let me prepare something... |
Came across this thread. Nicole is no longer on the Monarch project so I'm copying in @kshefchek and @mbrush |
there is an implicit assumption that positional coordinates are made using sequencing maps (and therefore the unit of measure is a nucleotide/basepair or amino acid). however, this same model could be used with other kinds of maps and units of measure, such as centimorgans, centirays, for integration with genetic maps.
some things that could be done to address this:
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