The IoT-Taxonomy-lite is adapted from M3-lite taxonomy. This taxonomy is refactored and defines many other concepts such as subclasses of Feature-of-Interest and Quality-of-Observation.
The IoTTaxonomy-lite Taxonomy
Elias Tragos, UCD, Dublin
Rachit Agarwal, Inria, Paris
Tarek Elsaleh, UNIS, Surrey
The IoT-Taxonomy-lite is adapted from M3-lite taxonomy. This taxonomy is refactored and defines many other concepts such as subclasses of Feature-of-Interest and Quality-of-Observation. We further acknowledge authors of M3-lite for the initial work. Please report any errors to rachit.agarwal@inria.fr
Creative Commons Attribution 4.0 International
Device that can redirect to a resource with information (i.e. RFID, NFC, QR-codes, bar-codes).
Tagging Device
A device that is used by, or implements, an (Actuation) Procedure that changes the state of the world.
Actuator
A window actuator for automatic window control, i.e., opening or closing the window.
Device, agent (including humans), or software (simulation) involved in, or implementing, a Procedure. Sensors respond to a stimulus, e.g., a change in the environment, or input data composed from the results of prior Observations, and generate a Result. Sensors can be hosted by Platforms.
Sensor
Accelerometers, gyroscopes, barometers, magnetometers, and so forth are Sensors that are typically mounted on a modern smart phone (which acts as Platform). Other examples of sensors include the human eyes.
The thing whose property is being estimated or calculated in the course of an Observation to arrive at a Result or whose property is being manipulated by an Actuator, or which is being sampled or transformed in an act of Sampling.
Feature Of Interest
When measuring the height of a tree, the height is the observed ObservableProperty, 20m may be the Result of the Observation, and the tree is the FeatureOfInterest. A window is a FeatureOfInterest for an automatic window control Actuator.
A Platform is an entity that hosts other entities, particularly Sensors, Actuators, Samplers, and other Platforms.
Platform
A post, buoy, vehicle, ship, aircraft, satellite, cell-phone, human or animal may act as platforms for (technical or biological) sensors or actuators.
An observable quality (property, characteristic) of a FeatureOfInterest.
Observable Property
The height of a tree, the depth of a water body, or the temperature of a surface are examples of observable properties, while the value of a classic car is not (directly) observable but asserted.
System is a unit of abstraction for pieces of infrastructure that implement Procedures. A System may have components, its subsystems, which are other systems.
System
A Unit is an abstract classifier that represents the [VIM] concept of "measurement unit" that is defined as "real scalar quantity, defined and adopted by convention, with which any other quantity of the same kind can be compared to express the ratio of the two quantities as a number."
A quality of an entity. An aspect of an entity that is intrinsic to and cannot exist without the entity.
Property
Metric unit of atmospheric pressure equal to 14.50 pounds per square inch (lb/in2), 1.02 kilograms per square centimetre (kg/cm2), 29.53 inches of mercury (in Hg), or 0.9869 atmosphere.
Bar
A plane angle unit which is equal to 1/360 of a full rotation or pi/180 rad.
Degree Angle
Electric current is the flow of electric charge. It is a base quantity in the International System of Units. Electric current is electric charge divided by time. Electric Current is the flow (movement) of electric charge. The amount of electric current through some surface, e.g., a section through a copper conductor, is defined as the amount of electric charge flowing through that surface over time.
Electric Current
The ABS (Anti-lock Braking System) receives information from ABS computer to control the pressure on the breaks, This helps the wheels not to get locked up, it adjust the break pressure and prevents the wheels from locking. (Definition Source Google).
ABS (Anti-lock Braking System) Actuating Device
Initial E-UTRAN Radio Access Bearer establishment success rate.
Initial E-RAB Establishment Success Rate
Initial E-UTRAN Radio Access Bearer setup success rate.
Initial E-RAB Setup Success Rate
Radio Resource Control connection setup success rate.
RRC Connection Setup Success Rate
S1 (S1 standardized interface between eNB and Evolved Packet Core) signalling establishment success rate.
S1 Signalling Establishment Success Rate
The rate of change of the velocity of a particle with respect to time.
Acceleration
Instantaneous Acceleration
The acceleration at a given instant of time.
Accelerometers are used to automatically determine the orientation in which the user is holding the IoT Object (portrait or landscape).
Accelerometer
The product of the voltage across a branch of an alternating-current circuit and the component of the electric current that is in phase with the voltage.
Active Power
Agriculture, Smart farm as an Internet of Things (IoT) applicative domain.
Agriculture DOI
An actuator to automatically switch on/off the air conditioner.
Air Conditioner Actuating Device
Air Pollutant Sensor are devices that detect and monitor the presence of air pollution in the surrounding area (source Wikipedia).
Air Pollutant Sensor
Usually measured using Air Quality Index (AQI), it is the measure of Air Pollution in the environment. It is similar to Air Quality.
Air Pollution Quantity Kind
Usually measured using an air quality index (AQI) that is a number used by government agencies to communicate to the public how polluted the air currently is or how polluted it is forecast to become. Different countries have their own air quality indices, corresponding to different national air quality standards. It is the measure of Air Quality of the environment. It is similar to Air Pollution. (Source Wikipedia).
Air Quality Quantity Kind
The temperature of the air that would be indicated by a thermometer exposed to the air at a location sheltered from direct solar radiation.
Air Temperature, Weather Temperature, Ambient Temperature
Device to measure the Air temperature of either indoor or outdoor atmosphere.
Air Thermometer
An actuator to automatically switch on/off the alarm system.
Alarm System Actuating Device
Measure of Alcohol Level in the system.
Alcohol Level Quantity Kind
Device used to detect and measure Alcohol Level in the system.
Alcohol Level Sensor
The ampere is the SI unit for measuring an electric current which is the flow of electric charges through a surface at the rate of one coulomb per second.The ampere is the SI unit for measuring an electric current which is the flow of electric charges through a surface at the rate of one coulomb per second.
Ampere (A)
It is the rate of change of angular displacement and is a vector quantity (more precisely, a pseudovector) that specifies the angular speed (rotational speed) of an object and the axis about which the object is rotating. (Source Wikipedia).
Angular Speed
when the source of the sound were animals.
Animals as Sound Source
The pressure exerted by the atmosphere as a consequence of gravitational attraction exerted upon the column of air lying directly above the point in question.
Atmospheric Pressure
Atmospheric Pressure Sensor, Barometer or Barometric Pressure Sensor is a scientific instrument used in meteorology to measure atmospheric pressure.
Atmospheric Pressure Sensor
When the devices are set to take the observations Automatically without any external aid.
Automatic Measurement Type
A tagging device can be Barcode.
Barcode Tagging Device
Measure of the percentage of the battery capacity that remains available.
Battery Level Quantity Kind
Beat Per Minute (bpm) is the unit to measure heart rate.
Beat Per Minute (bpm)
An actuator to automatically switch on/off the window blinds.
Blind Actuating Device
Measure of Blood glucose level or blood sugar level.
Blood Glucose Quantity Kind
Measure of the pressure in your blood vessels when your heart rests between beats.
Blood Pressure
Device used to measure Blood Pressure.
Blood Pressure Sensor
Measure of board temperature.
Board Temperature
Device used to measure board temperature.
Board Thermometer
Measure of body temperature.
Body Temperature
Device used to measure body temperature.
Body Thermometer
An actuator to automatically switch on/off the boiler.
Boiler Actuating Device
Smart Home/Building Automation as an Internet of Things (IoT) applicative domain.
Smart Building DOI
Measure of building or room temperature.
Building/Room Temperature
Triples for location in the (Latitude, Longitude, Altitude) format.
Coordinates
Carbon Dioxide (CO2) measure in the atmosphere.
Carbon Dioxide (CO2) Quantity Kind
Carbon Dioxide (CO2) Sensor used to measure level of CO2 in the atmosphere.
Carbon Dioxide (CO2) Sensor
Device to detect Carbon Monoxide (CO) in the environment.
Carbon Monoxide (CO) Sensor
Measure of blood calcium level.
Calcium Quantity Kind
If the measurement was taken when the sensor was being calibrated.
Calibration Measurement Type
Candela is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540 x 10^12 hertz and that has a radiant intensity in that direction of 1/683 watt per steradian. (Source Wikipedia).
Candela
Measure of the ability of a system to store an electric charge.
Capacitance
The centibar is a unit of pressure defined as 1e-2 bar.
Centibar
Centimetre, Centimeter
A metric unit of length, equal to one hundredth of a metre.
Measure of Chemical Agent Atmospheric Concentration
Chemical Agent Atmospheric Concentration Quantity Kind
Measure of the concentration of chemical particles suspended in the atmosphere.
Air Particles Chemical Agent Atmospheric Concentration
Measure of the concentration of Carbon Monoxide (CO) gas suspended in the atmosphere.
Carbon Monoxide (CO) Chemical Agent Atmospheric Concentration
Measure of the concentration of NO2 gas suspended in the atmosphere.
NO2 Chemical Agent Atmospheric Concentration
Measure of the cholesterol level in a system.
Cholesterol Quantity Kind
Device used to measure the cholesterol level in a system.
Cholesterol Sensor
Smart City as an Internet of Things (IoT) applicative domain.
Smart City DOI
Measure of cloud cover at a certain time.
Cloud Cover Quantity Kind
Cloud Cover Sensor is used to detect whether it is sunny, cloudy, etc.
Cloud Cover Sensor
An actuator to automatically switch on/off the coffee machine.
Coffee Machine, Coffee Maker Actuating Device
Communication related properties.
Communication
Actuating devices for Computer or PC.
Computer, PC Actuating Device
Measure of ability to conduct electricity. It is measured in siemens per metre (S/m).
Conductivity
Device used to measure the conductivity of a system.
Conductivity Sensor
When the source of the sound was a construction work.
Construction Work Sound Source
SI unit of electric charge.
Coulomb
When the source of the sound was crowd.
Crowd Sound Source
An actuator to automatically open/close the cupboard.
Cupboard Actuating Device
An actuator to automatically open/close the curtain.
Curtain Actuating Device
Day is a unit of time.
Day
Decibel is a logarithmic unit used to express the ratio of two values of a physical quantity. It is often used to measure sound level.
Decibel (dB)
Sound pressure sensed by the human ear.
DecibelA (dB(A))
Degree.
Degree
A temperature unit which is equal to one kelvin degree. However, they have their zeros at different points. The centigrade scale has its zero at 273.15 K.
Degree Celsius
Measurement Unit to represent temperature on the Fahrenheit scale.
Degree Fahrenheit
Difference between Dewpoint and surface temperatures.
Delta Dew Point
Device that measures the difference between Dewpoint and surface temperatures.
Delta Dew Point Sensor
It is the temperature to which air must be cooled at constant pressure to condense to form liquid.
Dew Point
Device that measures dew point.
Dew Point Sensor
The temperature at which dew forms and is a measure of atmospheric moisture. It is the temperature to which air must be cooled at constant pressure and water content to reach saturation. A higher dew point indicates more moisture in the air; a dew point greater than 20 Degree C (68 Degree F) is considered uncomfortable and greater than 22 Degree C (72 Degree F) is considered to be extremely humid.
Dew Point Temperature
Measure of the pressure in the arteries when the heart rests between beats.
Diastolic Blood Pressure
Without dimensions; having no appreciable or noteworthy extent. Without physical meaning.
Dimensionless
Direction
Measurements of sensors are affected by the direction of the sensing device. This concept is used to reflect it.
The geodetic azimuth of the direction towards which an object is point to.
Direction Azimuth
The course or direction in which a object (vehicle, person, ...) is moving.
Direction Heading
An actuator to automatically switch on/off the dishwasher.
Dish Washer Actuating Device
Measure of how far apart objects are.
Distance
Distance Sensor is used to detect distance between two objects for example: the safety distance with other cars. Distance sensor can be a laser.
Distance Sensor
Application Domain for example: health, environment, etc.
Domain Of Interest
An actuator to automatically open/close the door.
Door Actuating Device
An actuator to automatically open/close the drawer.
Drawer Actuating Device
Unit to measure Air Quality in European cities.
European Air Quality Index (EAQI)
ECG or EKG (Electrocardiogram) device.
ECG or EKG (Electrocardiogram)
The actuator for turning ESP on/off.
ESP (Electronic Stability Program) Actuating device
It is the physical property of matter that causes it to experience a force when placed in an electromagnetic field. (Source Wikipedia).
Electric Charge
Electric Field
Electric field is the electric force per unit charge.
A field of force associated with a moving electric charge equivalent to an electric field and a magnetic field at right angles to each other and to the direction of propagation. Applied to the 1800 MHz UHF band.
Electric Field 1800 MHz
A field of force associated with a moving electric charge equivalent to an electric field and a magnetic field at right angles to each other and to the direction of propagation. Applied to the 2100 MHz UHF band.
Electric Field 2100 MHz
A field of force associated with a moving electric charge equivalent to an electric field and a magnetic field at right angles to each other and to the direction of propagation. Applied to the 2400 MHz UHF band.
Electric Field 2400 MHz
A field of force associated with a moving electric charge equivalent to an electric field and a magnetic field at right angles to each other and to the direction of propagation. Applied to the 900 MHz UHF band.
Electric Field 900 MHz
Electric potential is the potential energy per unit charge associated with static (time-invariant) electric field.
Electric Potential
The electrical resistance of an electrical conductor is the opposition to the passage of an electric current through that conductor.
Electrical Resistance
Sensor that measures the changes in electrical or magnetic signals based on an environmental input.
Electrical Sensor
Affective Science, Emotion, Mood, Emotional State, Brain Wave as an Internet of Things (IoT) applicative domain.
Emotion DOI
Energy is the property that must be transferred to an object in order to perform work on. (Source Wikipedia).
Energy
Energy or Smart Grid as an Internet of Things (IoT) applicative domain.
Energy DOI
Sensor to measure power or energy consumption.
Energy Meter
Environment (earthquake, flooding, fire, pollution) as an Internet of Things (IoT) applicative domain.
Environment DOI
Experiment based measurements.
Experiment Measurement Type
Device to detect is a person has fallen.
Fall Detector
When the source of the sound was Fan.
Fan Sound Source
SI unit of electrical capacitance.
Farad
Fill Level
Property used to determine the level a certain object such as waste bin is filled upto.
Ratio of volume of combustible exhaust fluid to the total volume of diesel exhaust fluid storage container.
Fill Level Gas Tank
Ratio of volume of combustible exhaust fluid to the total volume of diesel exhaust fluid storage container. This is the value for the primary tank of the vehicle.
Fill Level Gas Tank 1
Ratio of volume of combustible exhaust fluid to the total volume of diesel exhaust fluid storage container. This is the value for the secondary tank of the vehicle.
Fill Level Gas Tank 2
Ratio between the current filleage level and the total capacity of a waste container.
Fill Level Waste Container
The actuator for turning on or off the fog lamp.
Fog Lamp Actuating Device
Measure of temperature of the food.
Food Temperature
An actuator to automatically open/close the freezer.
Freezer, Chiller Actuating Device
Frequency is the number of occurrences of a repeating event per unit time.
Frequency
Device used to detect the frequency.
Frequency Sensor
An actuator to automatically switch on/off the fridge.
Fridge, Refrigerator Actuating Device
Fuel Consumption Quantity Kind
The amount of fuel a vehicle uses to travel a particular distance at a particular speed.
A measure that displays the instantaneous fuel consumption of a vehicle during its operation.
Fuel Consumption Instantaneous
Accumulated amount of fuel used during vehicle operation.
Fuel Consumption Total
Device used to detect fuel level in a system such a car.
Fuel Level Sensor
Device that allows an object to localize itself.
GPS Sensor
Device that detects the presence of gases in an area, often as part of a safety system.
Gas Detector
Device used to detect poisonous gaseous in the environment.
Gaseous Pollutant Sensor
Gauss is the CGS unit of measurement of magnetic flux density (or magnetic induction) (B) (Source Wikipedia)
Gauss
Device used to detect glucometer, blood sugar, blood glucose level.
Glucometer Sensor
It is defined by mass in grams divided by volume in cubic metres.
Gram Per Cubic Metre, Gram Per Cubic Meter
It shows how many grams of a certain substance are present in one litre of a usually liquid or gaseous mixture.
Gram Per Litre, Gram Per Liter (g/L)
A gyrometer is an instrument which measures an angular speed.
Gyrometer Sensor
A gyroscope is a device for measuring or maintaining orientation.
Gyroscope Sensor
Device used to measure of hydrogen sulphide in the environment.
H2S Sensor
Healthcare as an Internet of Things (IoT) applicative domain.
Health Care DOI
The number of times your heart beats each minute (bpm).
Heart Beat
Device to count heart beats per minute.
Heart Beat Sensor
An actuator to automatically switch on/off the heating.
Heating Actuating Device
The SI unit of frequency, equal to one cycle per second.
Hertz
Hour of the day.
Hour
Measure of Household Appliance Temperature.
Household Appliance Temperature
A quantity representing the amount of water vapour in the atmosphere or in a gas.
Humidity
Humidity sensor or hygrometer is an instrument used for measuring the moisture concent in the environment.
Humidity Sensor
A hydrophone is a microphone designed to be used underwater for recording or listening to underwater sound.
Hydrophone
Illuminance is the total luminous flux incident on a surface, per unit area.
Illuminance
Sensor that detects and conveys the information that constitutes an image.
Image Sensor
Length in inches.
Inch
Arbitrary indirect reference which should be translated into meaningful measurements by using the corresponding decoding algorithm detailed in the resource description. In this case the returned values can only take certain values from a finite set.
Index
Downlink Latency.
Downlink Latency
If the measurement was tagged invalid.
Invalid Measurement Type
An actuator to automatically irrigate.
Irrigation Actuation Device
Kelvin is a unit of measurement for temperature.
Kelvin, Degree Kelvin
Measure of electrical energy equivalent to a power consumption of one thousand watts for one hour.
Kilo Watt Hour
It is a unit of data transfer rate equal to: 1,000 bits per second.
Kilobits Per Second
The SI unit of mass, it is equal to the mass of the international prototype of the kilogram.
Kilogram (kg)
Kilogram Per Cubic Metre, Kilogram Per Cubic Meter
It is SI derived unit of density, defined by mass in kilograms divided by volume in cubic metres.
Kilometre Per Hour, Kilometer Per Hour
It is a unit of speed, expressing the number of kilometres travelled in one hour.
Kilometre, Kilometer
A metric unit of measurement equal to 1,000 metres (approx 0.62 miles).
An actuator to automatically switch on/off the lamp.
Lamp Actuating Device
An actuator to automatically switch on/off the lavatory.
Lavatory Actuating Device
Leaf wetness is a meteorological parameter that describes the amount of dew and precipitation left on surfaces. It is used for monitoring leaf moisture for agricultural purposes, such as fungus and disease control, for control of irrigation systems, and for detection of fog and dew conditions, and early detection of rainfall. (Source Wikipedia).
Leaf Wetness
Leaf Wetness Sensor is used in agriculture to check whether the plants need to be watered.
Leaf Wetness Sensor
Light/Illuminance Sensor is used to adjust the brightness of the surface.
Light Sensor
A metric unit of capacity defined as the volume of one kilogram of water under standard conditions. It is equal to 1,000 cubic centimetres.
Litre, Liter
A consumption unit which is equal to the one of a vehicle which needs 1 fuel litre in order to traverse 100 kilometres.
Litre Per 100 Kilometres, Liter Per 100 Kilometers
A particular place or position.
Location Quantity Kind
The SI unit of luminous flux, equal to the amount of light emitted per second in a unit solid angle of one steradian from a uniform source of one candela.
Lumen (lm)
Luminous Flux is the measure of the perceived power of light.
Luminous Flux
It is a measure of the wavelength-weighted power emitted by a light source in a particular direction per unit solid angle, based on the luminosity function, a standardized model of the sensitivity of the human eye. The SI unit of luminous intensity is the candela (cd), an SI base unit. (Source Wikipedia)
Luminous Intensity
The SI unit of illuminance, equal to one lumen per square metre.
Lux (lx)
A region around a magnetic material or a moving electric charge within which the force of magnetism acts.
Magnetic Field
It is the magnetic flux through a surface is the surface integral of the normal component of the magnetic field (B) passing through that surface. The SI unit of magnetic flux is the weber (Wb). (Source Wikipedia).
Magnetic Flux Density
A magnetometer is an device that measures magnetism—either magnetization of magnetic material like a ferromagnet, or the strength and, in some cases, direction of the magnetic field at a point in space. (Source Wikipedia).
Magnetometer
If the measurement was taken when human effort was involved.
Manual Measurement Type
Mass is a property of a physical body. It is the measure of an object's resistance to acceleration when a net force is applied.
Mass
Type of Measurement done using a device.
Measurement Type
It is the unit of length.
Metre, Meter
A speed/velocity unit which is equal to the speed of an object traveling 1 metre distance in one second.
Metre Per Second, Meter Per Second (m/s)
It is the unit of acceleration (Metre Per Second Square, Meter Per Second Square)
Metre Per Second Square, Meter Per Second Square
Device used to detect Methane in the environment.
Methane (CH4) Sensor
Microampere (uA)
It is a unit of electric current, or amount of electric charge per second.
Microgram (ug)
It is a unit of mass equal to one billionth (1×10^−9) of a kilogram.
Microgram per cubic metre is a unit of density defined as microgram divided by cubic metre. Milligram per cubic metre is a derived unit in the International System of Units.
Microgram Per Cubic Metre, Microgram Per Cubic Meter
Microvolt (uV)
It is a unit of electromotive force or potential difference equal to one millionth of a volt.
Microwatt (uW)
It is a unit of power.
An actuator to automatically switch on/off the Microwave.
Microwave Actuating Device
Mileage
Measure of the number of miles or the average distance that a vehicle can travel on a specified quantity of fuel
The distance which can be travelled by the vehicle before the next service inspection is required. A negative distance is transmitted if the service inspection has been passed.
Mileage Distance To Service
The total distance travelled by the particular vehicle since its initial production.
Mileage Total
It is a unit of length that is equal to 1,760 yards (approx. 1.609 kilometres).
Miles
One thousandth of a second.
Millisecond
Milliampere (mA)
One thousandth of an ampere.
Millibar
One thousandth of a bar.
Milligram (mg)
One thousandth of a gram.
Milligram Per Cubic Metre, Milligram Per Cubic Meter
It is a density measurement unit.
A dose unit which is equal to 1 milligram of a substance per square metre of surface area of the recipient subject.
Milligram Per Square Metre, Milligram Per Square Meter
One thousandth of a litre (0.002 pint).
Millilitre, Milliliter
A unit of both speed (scalar) and velocity (vector), defined as the distance of one millimetre travelled per unit hour.
Millimetre Per Hour, Millimeter Per Hour
Millimetre, Millimeter
One thousandth of a metre (0.039 in).
Millivolt (mV)
One thousandth of a volt.
Millivolt Per Metre, Millivolt Per Meter
It is a measure of the intensity of the signal of a radio transmitter.
Milliwatt (mW)
A unit of power equal to one thousandth of a watt.
A Minute of Angle (MOA) is an angular measurement. A MOA is 1/60th of a degree.
Minute Angle
A unit of time equal to 60 seconds or 1/60th of an hour.
Minute Time
A millimetre of mercury is a manometric unit of pressure, formerly defined as the extra pressure generated by a column of mercury one millimetre high and now defined as precisely 133.322387415 pascals. It is denoted by the symbol mmHg. It is used to measure blood pressure measurements (systolic and diastolic).
MmHg
It is the amount of a substance that corresponds to its formula mass in milligrams. MmolPerLitre is used to measure cholesterol.
Mmol Per Litre, Mmol Per Liter
Handover Execution.
Handover Execution
Handover Preparation Success Rate.
Handover Preparation Success Rate
Handover Mobility Success Rate.
Handover Mobility Success Rate
It is the action or process of moving or being moved.
Motion
Motion State
Indicator of whether a person (or object) is detected upon his/her/its movement.
Indicates whether motion of the vehicle is detected or not.
Motion State Vehicle
A tagging device can be NFC (Near Field Communication).
NFC Tagging Device
Device used to detect NH3 level in the environment.
NH3 Sensor
Sensor detecting levels of Nitrogen Dioxide (NO2) in the environment.
Nitrogen Dioxide (NO2) Sensor
Device used to detect Nitrogen Oxide (NO) in the environment.
Nitrogen Oxide (NO) Sensor
When the source of the sound were noisy neighbours.
Neighbours Sound Source
It is a measure of number of Step taken.
Step
Device used to detect Ozone (O3) in the environment.
Ozone (O3) Sensor
Device used to detect if on object is occupied or not.
Presence Detector
An odometer or odograph is an instrument that indicates distance travelled by a vehicle, such as bicycle or automobile.
Odometer
Ohm is the unit of electrical resistance.
Ohm
Okta is the unit to measure the cloud cover.
Okta
Relates to phenomenon and unit that are not available currently in the current version of Taxonomy.
Others
Device used to detect Oxygen (O2) in the environment.
Oxygen Sensor
It is a numeric scale used to specify the acidity or basicity of an aqueous solution.
Device used to detect PH level.
PH Sensor
It describes the concentration of something in water or soil.
PPM (parts per million)
Unit for pressure (e.g., atmospheric pressure).
Pascal
Pedometer is used to count the number of steps when walking, running, etc.
Pedometer
It is the amount in or for every hundred.
Percent
Location, Place, GPS coordinates as an Internet of Things (IoT) applicative domain.
Place DOI
It is the measure of Blood Potassium Level.
Potassium
A unit of weight equal to 16 oz. 1 pound= 453.592 grams
Pound
It is the rate, per unit time, at which electrical energy is transferred by an electric circuit.
Power
It is any product of the condensation of atmospheric water vapour that falls under gravity.
Precipitation
It is a device measuring the amount of precipitation.
Precipitation Sensor
Presence
Measure to know if an object is present. It is usually boolean.
Presence State Driver Card
Indicates the presence of the first driver card.
Presence State Driver Card 1
Indicates the presence of the second driver card.
Presence State Driver Card 2
The presence or absence of an emergency vehicle (ambulance, fire fighters, etc.).
Presence State Emergency Vehicle
The presence or absence of a vehicle parked.
Presence State Parking
The presence or absence of people passing.
Presence State People
It is the physical force exerted on or against an object by something in contact with it.
Pressure
A device used to detect pressure. For example, it can be attached on the bed to infer if the user is lying, sleeping, sitting, bed occupancy, etc.
Pressure Sensor
Measure to detect proximity.
Proximity
Detect if something is within proximity of a sensor.
Proximity Sensor
When the source of the sound was public transit.
Public Transit Sound Source
Pulse Oxymeter, SpO2, Blood Oxygen Saturation Sensor are used to measure the concentration of oxygen in the blood.
Pulse Oxymeter
A tagging device can be QRCode.
QR Code tagging Device
A tagging device can be RFID.
RFID Tagging Device
The radian is a unit of angular measure defined such that an angle of one radian subtended from the centre of a unit circle produces an arc with arc length 1.
Radian
The radian per second is defined as the change in the orientation of an object, in radians, every second. The radian per second is the SI unit of angular (rotational) speed.
Radian Per Second
The depth of precipitation (water-equivalent) that accumulated over a measurement time quantity.
Rainfall
The portion of electricity that establishes and sustains the electric and magnetic fields of alternating-current equipment.
Reactive Power
Activity Recognized. This is usually made available as a part of analysis done by Google. The available activities recognized are IN_VEHICLE, ON_BICYCLE, ON_FOOT, RUNNING, STILL, TILTING, UNKNOWN, and WALKING.
Recognized Activity
The ratio of vapour pressure to saturation vapour pressure, where vapour pressure is the pressure exerted by the molecules of water vapour and saturation vapour pressure is the pressure exerted by molecules of water vapour in AIR that has attained saturation.
Relative Humidity
Connected Users to a communication channel/platform
Connected Users
ERAB Drop.
ERAB Drop
Revolutions per minute (abbreviated rpm, RPM, rev/min, r/min) is a measure of the frequency of rotation, specifically the number of rotations around a fixed axis in one minute. It is used as a measure of rotational speed of a mechanical component.
Revolutions Per Minute
Ratio of time on which a road lane section is occupied by vehicles within a given period of time.
Road Occupancy
Device used to measure the road Surface temperature.
Road Surface Thermometer
Temperature of the road.
Road Temperature
Temperature of a room.
Room Temperature
Rotational Speed
Rotational speed (or speed of revolution) of an object rotating around an axis is the number of turns of the object divided by time, specified as revolutions per minute (rpm), revolutions per second (rev/s), or radians per second (rad/s). (Source Wikipedia)
Rotational speed is a property that is the rate of rotation of a material around an axis, in this case the engine cylinders.
Rotational Speed Engine
Device use to detect Sulphur Dioxide (SO2) level in the environment.
Sulphur Dioxide (SO2) Sensor
It is a measure of the amount of oxygenated haemoglobin in the blood.
SPO2
It is the measure of all the salts dissolved in water.
Salinity
Device use to detect salinity of water.
Salt Meter
Arbitrary indirect reference which should be translated into meaningful measurements by using the corresponding decoding algorithm detailed in the resource description. In this case the returned values are part of a continuous variable which can take any numeric value.
Scale
Actuator used to turn Seat Belt Tension Actuator on or off.
Seat Belt Tension Actuating Device
It is a unit of angular measurement equal to 1/60 of one degree.
Second Angle
Qualitatively defined as the second division of the hour by sixty, the first division by sixty being the minute. SI definition of second is "the duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium 133 atom.
Second Time
Seismometers are instruments that measure motions of the ground, including those of seismic waves generated by earthquakes, volcanic eruptions, and other seismic sources.
Seismometer
Shake sensor is used to deduce the quality of the road, earthquakes.
Shake Sensor
An actuator to automatically switch on/off the shower.
Shower Actuating Device
An actuator to automatically switch on/off the sink.
Sink Actuating Device
When source of the sound were sirens either from ambulance, police car or factory etc.
Sirens Sound Source
Electroderal activity (also known as skin conductance or galvanic skin response) directly correlates to the sympathetic nervous system activity and thus provides a powerful tool for monitoring arousal and certain aspects of autonomic regulation.
Skin conductance, GSR
Device used to detect Skin Conductance.
Skin Conductance Sensor
Device used to detect if there is a fire or the smoke.
Smoke Detector
The actuator that turn Snow chains on/off.
Snow Chains Actuating Device
Measure of Blood Sodium level.
Sodium
It is the quantity of water contained in a material, such as soil.
Soil Humidity
Soil Humidity sensor, Soil moisture, Hygrometer are an instrument used for measuring the soil moisture or soil humidity.
Soil Humidity Sensor
The force per unit area required to remove film water from soil.
Soil Moisture Tension
Soil temperature is the bulk temperature of the soil, not the surface (skin) temperature.
Soil Temperature
It is the power per unit area received from the Sun in the form of electromagnetic radiation in the wavelength range of the measuring instrument. (Source Wikipedia).
Solar Radiation Measurement, PAR Measurement (Photosynthetically Active Radiation)
Device used to detect Solar Radiation.
Solar Radiation Sensor
Measure of noise level in the environment
Sound, Noise Level
Sound pressure level is a logarithmic measure of the RMS sound pressure of a sound relative to a reference value, the threshold of hearing. The reference sound pressure was chosen conventionally to correspond to the quietest sound at 1000 Hz that the human ear can detect (20 uPa). In this case, the specific parameter is measured in an open environment.
Sound Pressure Level
Sound Pressure Level Ambient
Similar to Sound.
Sensor used to detect Noise level. It can be Sound Sensor, Noise level Sensor, Volume sensor, Microphone
Sound Sensor
Source where the sound originated.
Sound Source
Environmental Origin of a particular observation. With respect to one kind of Source (Sound source), it can be coming from traffic, siren of a police car, etc.
Source
The rate at which someone or something moves or operates or is able to move or operate.
Speed
A measure of the average rate of motion of an object.
Speed Average
A measure of the instantaneous rate of motion of an object.
Speed Instantaneous
A measure of the median rate of motion of an object.
Speed Median
Sensor used to detect speed.
Speed Sensor
The position of the Sun in the sky is a function of both time and the geographic coordinates of the observer on the surface of the Earth. (Source Wikipedia).
Sun Position Direction
Sensor used to detect sun position.
Sun Position Direction Sensor
It is the altitude of the sun, the angle between the horizon and the centre of the sun's disc.
Sun Position Elevation
Device used to detect sun elevation.
Sun Position Elevation Sensor
It is the pressure when the heart beats while pumping blood.
Systolic Blood Pressure
An actuator to automatically switch on/off the television.
TV Actuating Device
An actuator to automatically switch on/off the Telephone.
Telephone Actuating Device
It is the air temperature.
Temperature
The temperature of a vehicle engine.
Temperature Engine
The temperature of the air that would be indicated by a thermometer exposed to the air inside a waste container.
Temperature Waste Container
It is the SI unit of magnetic flux density.
Tesla
A device to measure the temperature in a room or outside.
Thermometer
It is a device used to monitor the throttle position of a vehicle.
Throttle Position Sensor
Time Related State
Indicator of whether a person (or object) has overpassed a particular time threshold (e.g. maximum number of hours driving, etc.)
Time Related State Driver
Indicator of whether the driver of a vehicle approaches or exceeds his/her working time limits.
Indicates if the first driver approaches or exceeds working time limits (or other limits).
Time Related State Driver 1
Indicates if the second driver approaches or exceeds working time limits (or other limits).
Time Related State Driver 2
Sequence of characters or encoded information identifying when a certain event occurred, usually giving date and time of day, sometimes accurate to a small fraction of a second. This representation should be encoded following ISO8601.
Timestamp
It is a non-SI metric unit of mass equal to 1,000 kilograms.
Tonne
Device that captures and records physical touch or embrace on a device and/or object.
Touch Sensor
Tourism as an Internet of Things (IoT) applicative domain.
Tourism DOI
When the source of the sound was traffic.
Traffic
Transportation, Smart Car/Vehicle, Intelligent Transport System (ITS) as an Internet of Things (IoT) applicative domain.
Transportation DOI
Ultrasonic sensors are used to deduce human posture in smart home for example.
Ultrasonic Sensor
Device used to count the number of vehicles (e.g., used within the Citypulse project).
Vehicle Count Sensor
Measure to indicates whether the vehicle is exceeding the legal speed limit.
Vehicle Overspeed State
Number of vehicles that traverse a concrete region of the space in one minute.
Vehicles Per Minute
An actuator to automatically open/close the ventilation.
Ventilation Actuating Device
The state of being able to see or be seen.
Visibility
Device used to detect Visibility.
Visibility Sensor
The SI unit of electromotive force, the difference of potential that would carry one ampere of current against one ohm resistance.
Volt
In electric power transmission and distribution, volt-ampere reactive (var) is a unit in which reactive power is expressed in an AC electric power system.
Volt Ampere Reactive, VAR
Device which can measure the difference in electric potential energy between two points per unit electric charge.
Voltage Sensor
An actuator to automatically switch on/off the washing machine.
Washing Machine Actuation Device
The height reached by the water in a reservoir, river, storage tank, or similar.
Water Level
Sea surface temperature (SST) is the water temperature close to the ocean's surface.
Water Temperature
It is the SI unit of power, equivalent to one joule per second, corresponding to the rate of consumption of energy in an electric circuit where the potential difference is one volt and the current one ampere.
Watt (W)
It is the SI unit for radiative and other energy fluxes.
Watt Per Square Metre, Watt Per Square Meter
It is one of the unit for radiative and other energy fluxes.
Microwatt Per Square Centimetre, Microwatt Per Square Centimeter
Weather Forecasting, Meterology as an Internet of Things (IoT) applicative domain.
Weather Forecasting DOI
Luminosity in the weather
Weather Luminosity
Weather Precipitation.
Weather Precipitation
A body's relative mass or the quantity of matter contained by it, giving rise to a downward force; the heaviness of a person or thing.
Weight
Device used to weight an object.
Weight Sensor
The cooling effect of wind blowing on a surface.
Wind Chill
Device used to detect Wind Chill.
Wind Chill Sensor
The geodetic azimuth of the direction from which the wind is blowing.
Wind Direction
Device used to detect wind direction.
Wind Direction Sensor
The ratio of the distance covered by moving air to the time quantity taken to cover it.
Wind Velocity, Wind Speed
Wind Speed Sensor, Anemometer or Wind Velocity Sensor is used to measure the wind speed.
Wind Speed Sensor
An actuator to automatically open/close the window.
Window Actuating Device
Working State
Indicator of whether a person (or object) is working or not
Working State Driver
Indicator of whether the driver of a vehicle is present or not
State of work of the first driver as defined in the FMS standard.
Working State Driver 1
State of work of the second driver as defined in the FMS standard.
Working State Driver 2
This unit is used to measure delta dew point. Natural number (W/out unit).
W/out
Year as a unit of time.
Year
The concentration of ozone (O3) gas suspended in the atmosphere.
Chemical Agent Atmospheric Concentration O3
Downlink Throughput.
Downlink Throughput
Uplink Packet Loss.
Uplink Packet Loss
Uplink Throughput.
Uplink Throughput
Each of the accountable elements within a group.
Item
Number of available particular things.
Count
Describes if a door is OPEN or CLOSED.
Door Status
Number of available bicycles at a particular bicycle docking station.
Count Available Bicycles
Number of taxis available at a particular taxi stop.
Count Available Taxis
Number of empty docking points at a particular bicycle docking station.
Count Empty Docking Points
The intensity of a traffic flow is the number of vehicles passing a cross section of a road in a unit of time.
Traffic Intensity
Scientific instrument for measuring electromagnetic fields (EMF). Most of them measure the electromagnetic radiation flux density (DC fields) or the change in an electromagnetic field over time (AC fields).
Electric Field Sensor
Sensors that reckons occurrences or repetitions of physical objects, phenomena or events.
Counter
This sensor detects if a door is in the state of OPEN or CLOSED.
Door State Sensor
This sensor reports Soil temperature.
Soil Thermometer
Conductivity is measured in Siemens per metre (S/m).
Siemens Per Metre, Siemens Per Meter
Level of Dissolved substance in liquid measured in mg per litre.
Milligram Per Litre, Milligram Per Liter
Sensor used to measure air humidity.
Air Humidity Sensor
This sensor reports Water temperature.
Water Thermometer
Device used to measure the conductivity of water.
Water Conductivity Sensor
Device used to detect PH level of water.
Water PH Sensor
Sensor used to measure O2 concentration level in the water.
Water O2 Ion Sensor
Sensor used to measure NH4 concentration level in the water.
Water NH4 Ion Sensor
Sensor used to measure NO3 concentration level in the water.
Water NO3 Ion Sensor
Measure the average power consumption of the LoRa interface nodes.
LoRa Interface Energy Meter
Measure the average power consumption of the WiFi interface nodes.
WiFi Interface Energy Meter
sensor that measures time
Clock
Device used to detect if an object (vehicle, room, place, etc.) is occupied by Human.
Human Presence Detector
Device used to detect if an vehicle is present at a place.
Vehicle Presence Detector
Measure of Chemical Agent Concentration
Chemical Agent Concentration Quantity Kind
Measure of Chemical Agent Concentration in Water
Chemical Agent Water Concentration Quantity Kind
Measure of O2 concentration in Water
Oxygen (O2) Chemical Agent Water Concentration
Measure of NH4 ion concentration in Water
Ammonium ion (NH4+) Chemical Agent Water Concentration
Measure of NO3 ion concentration in Water
Nitrate Ion (NO3-) Chemical Agent Water Concentration
A particle detector, also known as a radiation detector or Geiger counter, is a device used to detect, track, and/or identify ionising particles, such as those produced by nuclear decay, cosmic radiation, or reactions in a particle accelerator.
Radiation Particle Detector
Ionising radiation is radiation that carries enough energy to free electrons from atoms or molecules, thereby ionizing them. Gamma rays, X-rays, and the higher ultraviolet part of the electromagnetic spectrum are ionizing, whereas the lower ultraviolet part of the electromagnetic spectrum, and also the lower part of the spectrum below UV, including visible light (including nearly all types of laser light), infrared, microwaves, and radio waves are all considered non-ionizing radiation.
Ionising Radiation
The number of ionizing events detected in one minute.
Radiation Particles Per Minute
Measure of the concentration of dust suspended in the air.
Chemical Agent Atmospheric Concentration Dust
A sensing device that measures dust particle concentration.
Dust Sensor
A sensing device that measures dust particle concentration using optical sensing mean.
Optical Dust Sensor
An electromotive force or potential difference expressed in volts (Source Google).
Voltage
Sensor that detects levels of Volatile Organic Components (VOC) in the environment.
Volatile Organic Compound (VOC) Sensor
Sensor that measures the power consumption of the IEEE802.15.4 interface nodes.
IEEE802.15.4 Interface Energy Meter
Sensor used to measure board input voltage.
Board Voltage Sensor
Sensor that measures time a device is working and is available.
Device Uptime Clock
Sensor that uses automatic speech recognition technology to match or reject a recorded voice command according to a specified set of available voice commands.
Voice Command Sensor
Sensor that estimates the azimuth direction of sources relative to the sensor’s position.
Direction Of Arrival (DOA) Sensor
Nitrogen Monoxide (NO) Chemical Agent Atmospheric Concentration
Measure of the concentration of Sulphur dioxide (SO2) gas suspended in the atmosphere.
Sulphur dioxide (SO2) Chemical Agent Atmospheric Concentration
Measure of the concentration of Volatile Organic Compound gas suspended in the atmosphere.
Volatile Organic Compound Chemical Agent Atmospheric Concentration
Measure of the concentration of Ammonia (NH3) gas suspended in the atmosphere.
Ammonia (NH3) Chemical Agent Atmospheric Concentration
Time a device is working and is available
Device Uptime
A voice command to control a voice controlled system or environment, such as a smart home.
Voice Command
The azimuth direction of a source relative to the azimuth direction of the DOA sensor.
Direction Of Arrival
It describes the concentration of something in parts per billion parts of water or soil, expressed in any (but common) unit of measurement.
Parts Per Billion
It describes power ratio in decibels of the measured power referenced to one milliwatt.
Decibel Milliwatt
An actuating device called that allows to semi-control the environment of the Voice Command Sensor.
Voice Command Controller
Measures the Water Oxidation Reduction Potential (ORP) as the tendency of a chemical species to acquire electrons and thereby be reduced.
Oxidation Reduction Potential (ORP) Sensor
Number of people within a particular area
Count People
Device used to count the number of people (eg., used within an indoor area).
People Count Sensor
Estimated time till an object is arriving to a specific location (typically used in transportation).
Time of arrival
Virtual device that estimates the remaining time for an object to arrive at a specific location.
Time of Arrival Sensor
A large motor vehicle carrying passengers by road, typically one serving the public on a fixed route and for a fare.
Bus
This device is used for long range low power wireless communications. We can use this device to report network metrics (SNR, latence, etc.)
LoRa Interface
Compares the level of a desired signal to the level of noise.
Signal to Noise Ratio
Received Signal Strength Indicator is the signal strength in a wireless network environment.
Received Signal Strength Indicator
Describes the preceision of the GPS signal. Smaller the value is, more precise the signal is.
Horizontal Dilution of Precision
Count of satellites from which a signal is received
Count Statellites Signal Received
A current sensor is a device that detects electric current in a wire, and generates a signal proportional to that current.
Current Sensor
Estimated time (in seconds) till a bus will arrive at a specific bus stop.
Time of arrival for the next bus
Virtual device that represents a bus stop X and a bus line Y; it estimates the remaining time the next bus (belonging to line Y) will arrive at bus stop X.
Time of arrival sensor for the next bus
Estimated driving distance (in meters) between a bus and the next bus stop.
Driving distance between a bus and the next bus stop
Virtual device that represents a bus stop X and a bus line Y; it measures the driving distance between the next bus (belonging to line Y) and the bus stop X.
Sensor measuring the driving distance between a bus and the next bus stop
Device used to count the number of people that stays within an area for more than a threshold of time.
Staying People Count Sensor
Number of people that stayed within an area for more than a threshold of time.
Count People Staying
Device used to measure the time people stays within an area.
People Stay Duration Sensor
Average time people stays within an area.
People Stay Duration Average
Device used to count the number of people the moves from an area towards another area during a time window.
People Flow Count Sensor
Number of people that moved outside an area towards another area during a time window.
Count People Moving
It identifies the quality of observation taken by a sensor or an actuator
Quality Of Observation
When the quality of observation is fair
Fair
When the quality of observation is good
Good
When the quality of observation is bad
Bad
When the feature of interest is room
Room
'action' is used to identify what action is permitted by the consent.
'action' defines what action is permitted by the consent.
'purpose' indicates for what purpose the action is allowed by the consent on the data
Discover sensors in a given context
Discover Sensors
Purpose to know sensors in the given area
Know Sensors In The Area
Blood Coagulation is the process by which blood changes from liquid to gel to form a blood clot. It allows the cessation of blood loss from an injury.
Blood Coagulation
Coagulometer is a medical device used for measuring the coagulation of a patient's blood and testing of the hemostasis system.
A floor sensor is a set of sensors covering a floor that can be used for measuring load and proximity. By using this information the floor sensor can be also used for detecting activity in a room
FloorSensor
A system established by the World Health Organization (WHO) and the International Committee on Thrombosis and Hemostasis for reporting the results of blood coagulation (clotting) tests. Abbreviated INR. Under the INR system, all results are standardized. For example, a person taking the anticoagulant warfarin (brand name: Coumadin) would regularly have blood tested to measure the INR. The INR permits patients on anticoagulants to travel and obtain comparable test results wherever they are. Medical Definition of International normalized ratio, MedicineNet
International Normalized Ratio
A sleep detector sensor which detects whether the human falls asleep or wakes up.
Sleep Detector
A sleep monitor sensor which tracks the human sleep state.
Sleep Monitor
Sleep Sensor
The event at which a person or animal sleep state has been detected. This could be measured as a Boolean, or labels if the state is not binary
Sleep State
Purpose to identify if an observation is outlier or not.
Identify Outlier Observsations
Purpose to create a chatbot that could provide environment related knowledge in a userfriendly manner.
Environmental Chatbot
Purpose to create a dashbord that could provide environment related knowledge to the people.
Environmental Dashboard
Purpose for either arranging a meeting or actually meeting someone.
Meeting
Purpose for requesting to enter a room.
Enter Room
Purpose for monitoring temperature.
Monitor Temperature
Purpose of calculating energy consumption by a resource.
Calculate Energy Consumption
Purpose of meeting a person for a coffee or arranging a meeting
Meet For Coffee
Action related to finding error in the data and correcting them
Error Correction
Action related to finding observsations either of a particular kind or all.
Discover Observsation
Action related to either request for opening the door or actually opening it.
Open The Door