http://creativecommons.org/licenses/by/3.0/
Copyright (c) 2006-2016 The Regents of the University of California. All rights reserved. This work is licensed under the Creative Commons Attribution 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/3.0/ or send a letter to Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA.
Copyright (c) 2006-2019 The Regents of the University of California. All rights reserved. This work is licensed under the Creative Commons Attribution 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/3.0/ or send a letter to Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA.
This ontology contains general terms for (physical) characteristics that are measured either quantitatively or qualitatively.
This ontology contains general terms that are common across OBOE extensions. It extends the OBOE Core model by importing ontologies specific to measurement characteristics, measurement standards, spatial entities, temporal entities, biological taxa, and anatomical entities.
This ontology contains terms for measurement standards that are common across OBOE extensions including units of measure and indices. The unit descriptions (comments) were adapted from various sources, including NIST.
This ontology provides the core OBOE modeling constructs.
OBOE Characteristics
oboe
oboe-core
oboe-standards
Version 1.2
A class annotation property that states that the annotated class is conceptually the same class as (i.e., conceptually equivalent to) the concept identified in the annotation value. If the value of the annotation property denotes an OWL class, then the sameConceptAsClass annotation property should be used instead.
A class annotation property that states that the annotated class is conceptually the same class as (i.e., conceptually equivalent to) the referenced class (as given by the value of the annotation property). Note that being conceptually the same can differ from strict class equivalance in that the two classes may have different structural definitions within their specific ontologies, e.g., their superclasses and subclasses in the respective ontologies may differ.
A class annotation property that states that the annotated class is conceptually similar (e.g., overlapping), but not identical to the concept identified by the value of the annotation property. If the value of the annotation property denotes an OWL class, then the similarConceptAsClass annotation property should be used instead.
A class annotation property that states that the annotated class is conceptually similar (e.g., overlapping), but not identical to the referenced class (the value of the annotation property).
The containsMeasurementsOfType property gives the MeasurementType to which measured values in some container belong. The domain is unrestricted to allow the property to be used to annotate any containers holding measured values, but its range is restricted to only subclasses of MeasurementType. If, for example, an attribute containsMeasurementsOfType "AirTemperatureType", then one can infer that the values in that attribute all represent measures of the associated Characteristic (e.g., Temperature) of the associated Entity (e.g., Air), or whatever constraints are imposed in the definition of the MeasurementType.
contains measurements of type
The entityRelated property asserts that the entity of one observation has an observed relationship to the entity in another observation.
entity related
The hasBaseQualifier together with the hasNextQualfiier property allows qualifier characteristics to be combined and ordered. For example, for an MinimumDailyAverage qualifier, the hasBaseQualifier refers to Minimum and the hasNextQualifier refers to a DailyAverage qualifier, and for a DailyAverage qualifier, the hasBaseQualifier refers to a Daily qualifier and the hasNextQualifier refers to an Average qualifier.
has base qualifier
The hasContext property asserts that one observation serves as the context for another observation. In a hasContext property the domain is the observation being contextualized and the range is the context. Context defines a semantic relationship between two entities that is a fundamental aspect of the observations, but not necessarily of the entities themselves. For example, most measurements are accomplished in a spatio-temporal framework that might be valuable context. The assertions made by contextual observations are assumed of the contextualized observations. Context is a transitive relationship.
has context
The hasMeasurement property gives the measurements of the observed entity.
has measurement
The hasMember property gives the observations of an observation collection.
has member
The hasNexQualifier together with the hasBaseQualfiier property allows qualifier characteristics to be combined and ordered. For example, for an MinimumDailyAverage qualifier, the hasBaseQualifier refers to Minimum and the hasNextQualifier refers to a DailyAverage qualifier, and for a DailyAverage qualifier, the hasBaseQualifier refers to a Daily qualifier and the hasNextQualifier refers to an Average qualifier.
has next qualifier
The hasObservedRelation property gives the observed relation of an observation. The observation entity is the source (head) entity of the corresponding relationship that was observed.
has observed relation
The hasQualifier property assigns an optional characteristic qualifier to a characteristic. Examples of qualifiers are Average, Minimum, Maximum, Daily, etc.
has qualifier
The measurementFor property gives the observation (observed entitiy) that a measurement is associated with. Each measurement is for exactly one observation.
measurement for
The hasCode property gives the underlying value (or coded representation) of a primitive value.
The hasMultiplier property gives the multiplier value in a unit conversion.
The hasOffset property gives the offset value in a unit conversion.
The hasPower property gives the power a base unit is raised to within a derived unit.
This property gives the precision of a measurement value.
The usesMethod property gives the actual method used to carry out the measurement.
Amount
oboe-characteristics:Amount
AmountOfSubstanceConcentration
oboe-characteristics:AmountOfSubstanceConcentration
AmountOfSubstanceMass
AmountOfSubstanceWeight
AmountOfSubstanceWeightFlux
Angle
oboe-characteristics:Angle
Area
oboe-characteristics:Area
ArealDensity
oboe-characteristics:ArealDensity
ArealMassDensity
oboe-characteristics:ArealMassDensity
ArealMassDensityRate
oboe-characteristics:ArealMassDensityRate
Capacitance
CatalyticActivity
Charge
Conductance
oboe-characteristics:Conductance
measures how easily electricity flows along a certain path through an electrical element. The SI derived unit for electrical conductance is the siemens
Conductivity
oboe-characteristics:Conductivity
is a measure of a material's ability to conduct an electric current. Units are siemens per meter
Count
oboe-characteristics:Count
Current
oboe-characteristics:Current
CurrentDensity
DoseEquivalent
Energy
Force
oboe-characteristics:Force
Frequency
oboe-characteristics:Frequency
Identifier
provides an identifying sequence of characters to refer to an entity within a context. An Identifier can be unique within a local context or a global context.
Illuminance
Inductance
Irradiance
oboe-characteristics:Irradiance
Irradiance, radiant emittance, and radiant exitance are radiometry terms for the power per unit area of electromagnetic radiation at a surface. "Irradiance" is used when the electromagnetic radiation is incident on the surface. "Radiant exitance" or "radiant emittance" is used when the radiation is emerging from the surface. The SI units for all of these quantities are watts per square meter (W/m2) (wikipedia). All of these quantities characterize the total amount of radiation present, at all frequencies. It is also common to consider each frequency in the spectrum separately. When this is done for radiation incident on a surface, it is called spectral irradiance, and has SI units W/m3, or commonly W·m−2·nm−1.
Length
oboe-characteristics:Length
LifeStage
The developmental stage of life of a given organism.
Life Stage
Luminance
Luminance is a photometric measure of the luminous intensity per unit area of light travelling in a given direction. It describes the amount of light that passes through or is emitted from a particular area, and falls within a given solid angle. The SI unit for luminance is candela per square metre (cd/m2).
Luminosity
oboe-characteristics:Luminosity
MagneticFieldStrength
MagneticFlux
MagneticFluxDensity
Mass
oboe-characteristics:Mass
MassDensity
oboe-characteristics:MassDensity
MassFlux
MassPerMass
oboe-characteristics:MassPerMass
MassSpecificCount
MassSpecificLength
Molality
oboe-characteristics:Molality
Molality amount of substance of solute B in a solution divided by the mass of the solvent: Often favored because measurements of mass are more precise than measurements of volume.
Name
provides a character phrase to refer to an entity. A Name is typically used to reference an entity. For example, the Name for a particular instance of a lake might be 'Lake Tahoe'.
PhotonFluxDensity
oboe-characteristics:PhotonFluxDensity
The number of photons striking an area per unit time. This could be probably also be called a PhotonArealDensityRate.
Power
Pressure
oboe-characteristics:Pressure
Proportion
oboe-characteristics:Proportion
Radiance
oboe-characteristics:Radiance
Radiance and spectral radiance are radiometric measures that describe the amount of light that passes through or is emitted from a particular area, and falls within a given solid angle in a specified direction. They are used to characterize both emission from diffuse sources and reflection from diffuse surfaces. The SI unit of radiance is watts per steradian per square metre (W·sr−1·m−2).
RadionucleotideActivity
oboe-characteristics:RadionucleotideActivity
Resistance
Resistivity
SpecificArea
SpecificEnergy
SpecificVolume
SpectralIrradiance
Irradiance, radiant emittance, and radiant exitance are radiometry terms for the power per unit area of electromagnetic radiation at a surface. "Irradiance" is used when the electromagnetic radiation is incident on the surface. "Radiant exitance" or "radiant emittance" is used when the radiation is emerging from the surface. The SI units for all of these quantities are watts per square meter (W/m2) (wikipedia). All of these quantities characterize the total amount of radiation present, at all frequencies. It is also common to consider each frequency in the spectrum separately. When this is done for radiation incident on a surface, it is called spectral irradiance, and has SI units W/m3, or commonly W·m−2·nm−1.
SpectralRadiance
Speed
oboe-characteristics:Speed
TagNumber
provides an alphanumeric string of characters to refer to an entity. A TagNumber is typically used to uniquely identify an entity such as a sample or an individual specimen such as a tree or a rock sample.
Temperature
oboe-characteristics:Temperature
Time
oboe-characteristics:Time
Transmissivity
Volume
oboe-characteristics:Volume
VolumePerVolume
VolumetricArea
VolumetricDensity
VolumetricMassDensityRate
oboe-characteristics:VolumetricMassDensityRate
VolumetricRate
oboe-characteristics:VolumetricRate
WaveNumber
oboe-characteristics:WaveNumber
oboe-core:BaseCharacteristicQualifier
A base qualifier denotes a simple, atomic qualifier such as average, minimum, and maximum.
Base Characteristic Qualifier
oboe-core:BaseUnit
A base unit is a unit that is not naturally decomposed into other units.
Base Unit
oboe-core:CategoricalStandard
oboe-core:Characteristic
A characteristic represents a property of an entity that can be measured (e.g., height, length, or color). A characteristic of an entity is observed through a measurement, which further asserts a value of the characteristic for the entity. A characteristic type (e.g., "height") can be associated with many different entities, whereas an individual characteristic (a particular occurrence of the "height" characteristic) is associated to exactly one entity.
Characteristic
oboe-core:CharacteristicQualifier
A characteristic qualifier is a derived property of an entity that must be combined with concrete characteristics to be used in a measurement. A qualifier is either a base (atomic) or composite qualifier. As an example, the base qualifier minimum can be combined with a characteristic length to create a minimum length qualified characteristic. A composite qualifer is used to combine multiple qualifiers.
Characteristic Qualifier
1
1
oboe-core:CompositeCharacteristicQualifier
A composite qualifier combines multiple qualifiers. Each composite qualifier has a base qualifier and a reference to another qualifier. Composite qualifiers are ordered (through hasNextQualifier) to distinguish between the scope of qualifiers, e.g., AverageMinimum versus MinimumAverage.
Composite Characteristic Qualifier
2
oboe-core:CompositeUnit
A composite unit is the product of at least two base or derived units. For example, 'meter per second square' denotes a composite unit defined over 'meter' (a base unit) and 'per second square' (a derived unit).
Composite Unit
0
1
oboe-core:DerivedUnit
A derived unit raises a base or prefixed unit to an integer power other than 0 or 1. For example, the unit 'square meter' is a unit derived from the 'meter' base unit raised to the power 2. As another example, a 'square centimeter' is a unit derived from the 'centimeter' prefixed unit raised to the power 2.
BRL 20160601: I removed this restriction so that CompositeUnits like XXXPerLiter would not reason to owl:Nothing. hasUnit exactly 1 (BaseUnit or PrefixedUnit)
Derived Unit
oboe-core:Entity
An entity is an object (e.g., a tree, a community, an ecological process). Entities constitute the foci of observations, i.e., every observation is of exactly one entity.
Entity
oboe-core:IdentifyingCharacteristic
An identifying characteristic is used to identify or name an entity either globally or within a context, such as a name of a lake or a tag number assigned to a tree. Unlike a MeasuredCharacteristic, an IdentifyingCharacteristic is assigned and not measured.
Identifying Characteristic
oboe-core:Index
oboe-core:MeasuredCharacteristic
A measured characteristic of an entity is one that is measurable within the physical world. A measured characteristic includes primary and derived physical dimensions (e.g., length, mass, area, density). The measured value assigned to a measured characteristic may be a quantity (a numerical value) or a quality (a category), including both nominal and ordinal categories.
Measured Characteristic
oboe-core:MeasuredValue
A measurement value is a quantitative or qualitative result of a measurement. Measurement values can contain a coded representation of the result, e.g., as a number or string.
Measurement Value
1
oboe-core:Measurement
A measurement is an assertion that a characteristic of an entity had a particular value with respect to an observation event. A measurement is comprised of a characteristic, a value, a measurement standard, and a protocol. Measurements can also have precision as well as a description of the methods used. Measurements can encapsulate characteristics that were recorded, but not necessarily measured in a physical sense. For example, the name of a location and a taxon can be captured through measurements.
Measurement
oboe-core:MeasurementType
A MeasurementType describes the type of a Measurement in which the Measurement would follow the associated Protocol to record the value of the associated Characteristic of the associated Entity using the associated Standard. Any of these associated properties may be omitted, in which case the MeasurementType is only constrained by the provided associations. A MeasurementType is a hypothetical construct, in that it is not associated with a particular instance of a Measurement.
Measurement Type
oboe-core:Observation
An observation is an assertion that an entity (e.g., biological organisms, geographic locations, or environmental features, among others) was observed by an observer. An observation primarily serves to group a set of measurements together into a single "observation event". Observations are often made within a broader context. The context of an observation is given by other observations, implying that an observed entity (and specifically each corresponding measurement) contextualizes another observed entity (and its corresponding measurements). For example, an observation associated with a location may serve as context for an observation associated with an organism. In this case, the observed characteristic values of the location (such as humidity) are assumed constant for the corresponding measurements of the organism.
Observation
oboe-core:ObservationCollection
An observation collection is a container for a set of observations.
Observation Collection
0
1
oboe-core:PrefixedUnit
A prefixed unit consists of a base unit and a prefix integer value that serves as a multiplier. For example, a centimeter is a prefixed unit that combines a meter base unit and the prefix multiplier 0.01 such that one centimeter is equivalent to 0.01 meters.
oboe-core:Protocol
A protocol is a procedure for generating or processing data.
Protocol
oboe-core:Standard
A standard defines a reference for comparing or naming entities via a measurement. A standard can be defined intentionally (e.g., as in the case of units) or extensionally (by listing the values of the standard, e.g., for color this might be red, blue, yellow, etc).
Standard
oboe-core:Unit
A unit is a standard quantification for physical measurements. A unit is either a base unit, a composite unit, or a derived unit.
Unit
oboe-core:UnitConversion
A unit conversion is a mapping from a source unit to a target unit via a multiplier and an offset value.
Unit Conversion
2
Acre
4046.85642
0
AcreToMeterSquared
4046.8564
0
AcreToSquareMeter
Ampere
The ampere is the SI unit of electric current and is one of the seven SI base units.
Angstrom
The angstrom is a unit of length equal to 0.1 nanometre.
0.0000000001
0
AngstromToMeter
2
Are
Bar
The bar (symbol: bar) is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level.
It is not an SI or cgs units, but accepted for use with the SI. The bar is widely used in descriptions of pressure because it is only about 1% smaller than "standard" atmospheric pressure, and is legally recognized in countries of the European Union.
Common derivatives are millibar (meteorology) and decibar (oceanography)
100
0
BarToKilopascal
The bar (symbol: bar) is a unit of pressure equal to 100 kilopascals, and roughly equal to the atmospheric pressure on Earth at sea level.
-1
Becquerel
3
Bushel
35.239072
0
BushelToLiter
Candela
The candela is the SI base unit of luminous intensity, i.e., the power emitted by a light source in a particular direction, weighted by the luminosity function (a standardized model of the sensitivity of the human eye to different wavelengths).
Celsius
The degree Celsius is a unit of thermodynamic temperature with the same magnitude as the unit kelvin but where absolute zero (0 Kelvin) is defined as -273.15 degrees Celsius.
1
273.18
CelsiusToKelvin
Centigram
0.00001
0
CentigramToKilogram
Centimeter
3
CentimeterCubed
-1
CentimeterPerSecond
2
CentimeterSquared
0.01
0
CentimeterToMeter
Centisecond
0.01
0
CentisecondToSecond
Day
Decibar
A decibar is a unit pressure commonly used in oceanography because it's value is generally equivalent to depth in meters. 1 dbar = 0.1 bar = 10 kPa
0.1
0.0
DecibarToBar
Decigram
0.0001
0
DecigramToKilogram
Decimeter
0.1
0
DecimeterToMeter
Decisecond
0.1
0
DecisecondToSecond
0.0174533
0
DegreToRadian
Degree
Dekagram
0.01
0
DekagramToKilogram
Dekameter
10
0
DekameterToMeter
Dekasecond
10
0
DekasecondToSecond
FahrenheitDegree
0.556
255.402
FahrenheitDegreeToKelvin
Fathom
1.8288
0
FathomToMeter
Foot
FootGoldCoast
0.3048
0
FootGoldCoastToMeter
2
FootSquared
0.3048
0
FootToMeter
3
Gallon
3.78541178
0
GallonToLiter
Grad
0.015707
0
GradToRadian
Gram
-1
2
GramPerGram
-1
2
GramPerLiter
-3
2
GramPerMeterCubed
0.001
0
GramToKilogram
2
Hectare
Hectogram
0.1
0
HectogramToKilogram
Hectometer
100
0
HectometerToMeter
Hectopascal
Unit of pressures often used in meteorology. One hectopascal is equivalent to one millibar; one standard atmosphere is exactly equal to 1013.25 hPa. One hectopascal corresponds to about 0.1% of atmospheric pressure near sea level (Wikipedia).
HectopascalToPascal
Hectosecond
100
0
HectosecondToSecond
-1
Hertz
Hour
3600
0
HourToSecond
Inch
3
InchCubed
0.0254
0
InchToMeter
Kelvin
Kilogram
-1
2
KilogramPerLiter
-3
2
KilogramPerMeterCubed
-2
2
KilogramPerMeterSquared
-1
-2
3
KilogramPerMeterSquaredPerDay
-1
Kilohertz
3
Kiloliter
Kilometer
2
KilometerSquared
1000
0
KilometerToMeter
Kilopascal
Kilosecond
1000
0
KilosecondToSecond
-1
2
Knot
A knot is one nautical mile per hour, which is equal to exactly 1.852 km/h and approximately 1.151 mph.
LinkClarke
0.201166
0
LinkClarkeToMeter
3
Liter
-1
2
LiterPerSecond
0.001
0
LiterToMeterCubed
Lumen
Megagram
1000
0
MegagramToKilogram
-1
Megahertz
Megameter
1000000
0
MegameterToMeter
Megasecond
1000000
0
MegasecondToSecond
Meter
3
MeterCubed
-1
2
MeterPerSecond
2
MeterSquared
MicroeinsteinsPerMeterSquaredPerSecond
An einstein is a unit used in irradiance and in photochemistry. One einstein is defined as one mole of photons, regardless of their frequency. Therefore, the number of photons in an einstein is Avogadro's number, 6.022×1023.
Quantum flux of Photosynthetically active radiation (PAR) is usually reported in microeinsteins per second per square meter, one microeinstein being one-millionth of an einstein.
Irradiance might be measured in einsteins per square metre per second, if the source is monochromatic. (note: If the optical frequency is not well defined this is a sloppy misuse of the term irradiance, which is defined in terms of power per unit area, and p.
The einstein is used in studies of photosynthesis since the light requirement for the production of a given quantity of oxygen is a fixed number of photosynthetically active photons (about nine photosynthetically active einsteins per mole of oxygen formed).
It is named in honor of Albert Einstein, who in a 1905 paper explained the photoelectric effect in terms of light quanta, now called photons, an idea introduced by Max Planck.
Microgram
-1
2
MicrogramPerGram
-1
2
MicrogramPerLiter
-3
2
MicrogramPerMeterCubed
1000000000
0
MicrogramToKilogram
3
Microliter
Micrometer
2
MicrometerSquared
1000000
0
MicrometerToMeter
MicromolePerKilogram
Unit of concentration often used for gasses (e.g., oxygen, or O2) because it is related to solubility measurements.
MicromolePerLiter
MicromolePerMeterCubed
Micron
1000000
0
MicronToMeter
Microsecond
1000000
0
MicrosecondToSecond
MicrosiemensPerMeter
Mile
2
MileSquared
1609.344
0
MileToMeter
Millibar
A millibar is a unit pressure commonly used in meterology. 1 mbar = 0.001 bar = 0.1 kPa = 1 hPa (hectopascal)
0.0010
0.0
MillibarToBar
Milligram
-1
2
MilligramPerLiter
-3
2
MilligramPerMeterCubed
-1
-3
3
MilligramPerMeterCubedPerDay
-1
-2
3
MilligramPerMeterSquaredPerDay
1000000
0
MilligramToKilogram
-1
Millihertz
3
Milliliter
-1
2
MilliliterPerLIter
A unit of concentration used for liquid-liquid solutions or for mixtures of gasses and of gasses and liquids.
Millimeter
2
MillimeterSquared
0.001
0
MillimeterToMeter
MillimolePerLiter
MillimolePerMeterCubed
Millisecond
0.001
0
MillisecondToSecond
MillisiemensPerMeter
Minute
60
0
MinuteToSecond
Mole
-1
2
MolePerLiter
-3
2
MolePerMeterCubed
Nanogram
-1
2
NanogramPerLiter
1000000000000
0
NanogramToKilogram
Nanometer
1000000000
0
NanometerToMeter
NanomolePerLiter
Nanosecond
1000000000
0
NanosecondToSecond
NauticalMile
1852
0
NauticalMileToMeter
-1
-2
3
Newton
The newton is the unit of force derived in the SI system; it is equal to the amount of net force required to accelerate a mass of one kilogram at a rate of one meter per second per second.
1 N = kg m s-2
NominalDay
86400
0
NominalDayToSecond
NominalHour
3600
0
NominalHourToSecond
NominalLeapYear
31643326
0
NominalLeapYearToSecond
NominalMinute
60
0
NominalMinuteToSecond
NominalWeek
604800
0
NominalWeekToSecond
NominalYear
31556926
0
NominalYearToSecond
Number
-2
2
NumberPerMeterSquared
PartPerThousand
-1
-2
3
Pascal
The pascal (symbol: Pa) is the SI derived unit of pressure. It is a measure of force per unit area, and defined as one newton per sqare meter.
1 Pa = N m-2
Percent
Ratio of two quantities as percent composition (1:100).
3
Pint
0.473176473
0
PintToLiter
Pound
0.4536
0
PoundToKilogram
PracticalSalinityUnit
At the simplest level, salinity is the total amount of dissolved material in grams in one kilogram of sea water. So it is typically thought of as a dimensionless quantity with no units. It is described here as an Index. For more information, see current physical oceanographic references, such as http://oceanworld.tamu.edu/resources/ocng_textbook/chapter06/chapter06_01.htm
Practical Salinity Unit
3
Quart
0.946352946
0
QuartToLiter
Radian
-1
ReciprocalMeter
Second
Siemens
The siemens (symbol: S) is the SI derived unit of electric conductance and electric admittance. Conductance and admittance are the reciprocals of resistance and impedance respectively, hence one siemens is equal to the reciprocal of one ohm, and is sometimes referred to as the mho. It is named after the German inventor and industrialist Ernst Werner von Siemens. In English, the term siemens is used both for the singular and plural. The 14th General Conference on Weights and Measures approved the addition of the siemens as an SI derived unit in 1971.
It is a composite unit in OBOE because it is composed of 2 base units, and OBOE-derived units are a single base unit raised to a power.
a siemens is Ampere/volt
-1
2
SiemensPerMeter
Conductivity is the reciprocal (inverse) of electrical resistivity, ρ, and has the SI units of siemens per metre (S·m-1). "siemens" is used for both singular and plural.
Ton
907.2
0
TonToKilogram
Tonne
1000
0
TonneToKilogram
Volt
The volt is defined as the value of the voltage across a conductor when a current of one ampere dissipates one watt of power in the conductor.[2] It can be written in terms of SI base units as: m2 · kg · s−3 · A−1. It is also equal to one joule of energy per coulomb of charge, J/C.
WattPerMeterSquared
WattPerMeterSquaredPerSteradian
Yard
YardIndian
0.914399
0
YardIndianToMeter
2
YardSquared
0.914398
0
YardToMeter
owl:Thing
Version 1.2
Copyright (c) 2006-2016 The Regents of the University of California. All rights reserved. This work is licensed under the Creative Commons Attribution 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/3.0/ or send a letter to Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA.
This ontology contains general terms for (physical) characteristics that are measured either quantitatively or qualitatively.
OBOE Characteristics
Version 1.2
http://creativecommons.org/licenses/by/3.0/
Copyright (c) 2006-2019 The Regents of the University of California. All rights reserved. This work is licensed under the Creative Commons Attribution 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/3.0/ or send a letter to Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA.
This ontology provides the core OBOE modeling constructs.
oboe-core
Version 1.2
Copyright (c) 2006-2016 The Regents of the University of California. All rights reserved. This work is licensed under the Creative Commons Attribution 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/3.0/ or send a letter to Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA.
This ontology contains terms for measurement standards that are common across OBOE extensions including units of measure and indices. The unit descriptions (comments) were adapted from various sources, including NIST.
oboe-standards
Version 1.2
Copyright (c) 2006-2016 The Regents of the University of California. All rights reserved. This work is licensed under the Creative Commons Attribution 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/3.0/ or send a letter to Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA.
This ontology contains general terms that are common across OBOE extensions. It extends the OBOE Core model by importing ontologies specific to measurement characteristics, measurement standards, spatial entities, temporal entities, biological taxa, and anatomical entities.
oboe
Version 1.2
The characteristicFor property gives the entity of the characteristic.
characteristic for
The hasSourceUnit property gives the source unit being converted from within a unit conversion.
has source unit
The hasTargetUnit property gives the target unit being converted to within a unit conversion.
has target unit
The hasUnit property gives the underlying base or derived unit for a derived or composite unit, respectively.
has unit
The hasValue property gives the value of the measurement.
has value
The measuresCharacteristic property gives the Characteristic that would be measured by a MeasurementType.
measures characteristic
The measuresEntity property gives the Entity that would be measured by a MeasurementType.
measures entity
The measuresUsingProtocol property gives the Protocol that would be used by a MeasurementType.
measures using protocol
The measuresUsingStandard property gives the Standard that would be used by a MeasurementType.
measures using standard
The ofCharacteristic property gives the entity characteristic measured by a measurement.
of characteristic
The ofEntity property gives the observed entity of an observation.
of entity
The usesProtocol property gives the protocol used in a measurement.
uses protocol
The usesStandard property gives the standard (e.g., unit) used in a measurement.
uses standard