Collections per reference period To be used in conjunction with s4envi:CollectionReferencePeriod to describe the frequency at which waste is collected from a collection point. Waste is collected from a collection point X times every Y [time unit], where X is the unitless value of s4envi:CollectionsPerReferencePeriod, Y is the value of s4envi:CollectionReferencePeriod and [time unit] is the unit of measurement of Y. For example, waste that is collected from a collection point 3 times every 2 weeks would have X = 3, Y = 2 and a [time unit] of 'week'. accepts A container, waste processing device, waste processing site or waste collection vehicle kind is intended to accept one or more waste kinds. A waste collection vehicle kind is intended to accept one or more container kinds. Photometer A photometer, generally, is an instrument that measures light intensity or optical properties of solutions or surfaces. Mechanical sorting function Function of sorting carried out by using mechanical forces. Volume capacity Maximal capacity of a container in terms of volume. Emission Unwanted substance released into the air, water or soil. has digital representation A relation between a physical object and the digital representation in which it is encapsulated. Waste disposal task Putting waste in an appropriate facility without the intention of recovery (source: ISO 24161:2022, clause 3.1.3.3). Incineration function Function of incinerating. is collected during Waste is collected during a journey. Household waste Waste, but not hazardous waste, that arises from the domestic use of a private dwelling (source: ISO 6707-1:2020, clause 3.8.17). Lorry Electric, gas-powered or internal-combustion engine vehicle featuring a rear storage area for transporting loads. has light point A relation between a lamppost and its light points Secondary raw resource Resource that is obtained from one that has already been processed or used (source: ISO 59004:2024, clause 3.3.5). https://saref.etsi.org/saref4envi/ 2024-10-31 This ontology extends the SAREF ontology for the environment domain, specifically for the light pollution domain, including concepts like photometers, light, etc. s4envi 2025-04-11 v2.1.1 SAREF4ENVI: an extension of SAREF for the Environment domain Information about changes compared to version 1.1.2: - See https://saref.etsi.org/sources/saref4envi/-/milestones/1 Information about changes compared to version 1.1.1: - Updated namespaces for compatibility with SAREF v3. Windrow composting function Function of windrow composting. uses communication protocol A relation between a device and the communication protocol it uses. 1 Light A light source, which may be a lantern, a street light, a floodlight, a signal lamp or any other device whose primary purpose is the generation of light. (Definition taken from http://wiki.openstreetmap.org/wiki/Proposed_features/Key:light_source#Description) Secondary heat Heat recovered from a previous use or from waste. Cold composting function Function of cold composting. Secondary electricity Electricity recovered from a previous use or from waste. Waste processing site Licensed plant in which waste is treated in accordance with the local laws (source: ISO 24161:2022, clause 3.1.3.20). Waste processing capacity Maximal capacity of a waste processing site in terms of volume or mass of waste processed per unit of time. Average speed limit Mean speed limit for a road segment or an itinerary. Non-residential building Building for any use other than residential. directly consumes A waste processing device directly consumes one or more primary or secondary raw resources. Glass waste Waste from discarded products and materials made of glass. Compost bin Device that performs the task of composting via cold composting. Anaerobic digester Device that performs the task of methanisation. Resource Useful substances and objects. encapsulates A relation between a digital representation and the physical objects it represents. Incinerator without recovery Device that performs the task of incineration without energy recovery. 1 Windrow Device that performs the task of composting via windrow composting. Landfill with recovery Device that performs the task of landfill with energy recovery. Light absorption An individual representing the light property light absorption. Waste processing function Represents the functionality of processing (pre-treating, treating, disposing of) waste. 1 uses communication interface A relation between a device and the communication interface it uses. transmission period The period of information transmission by a device. Waste treatment function Represents the functionality of treating waste. Disassembly function Function of disassembling. Flashing Light A light source that has flash. Emission kind Category of emission. Food waste Food that is discarded along the food chain (source: ISO 24161:2022, clause 3.1.2.7). Vermicomposting function Function of vermicomposting. Construction waste Waste which arises from construction, renovation or demolition activities (source: ISO 24161:2022, clause 3.1.2.4). Composting function Function of composting. Waste pre-treatment function Represents the functionality of pre-treating waste. has collection date Waste has one collection date, the date on which it was initially collected. Waste treatment device Device that treats waste. indirectly consumes A waste processing device indirectly consumes one or more primary or secondary raw resources. Waste treatment task Represents the task of treating waste. Communication protocol A protocol is an agreement between the communicating parties on how communication is to proceed. (Definition taken from "Tanenbaum, A. S. (2003). Computer networks, 4-th edition. ed: Prentice Hall.") Perimeter Spatial extent considered as containing (1) the attributee or attributees of a container, or (2) the generator or generators of a waste flux. Reflection of light An individual representing the light property reflection of light. Waste processing task Single step or a combination of multiple steps in which waste is handled via mechanical, chemical, thermal or biological processes with the aim of recovering material or energetic value and/or reducing the volume and environmental impact of the waste (source: ISO 24161:2022, clause 3.1.3.19). Landfill function Function of landfilling. has depot A waste collection vehicle is assigned one depot. Composting Aerobic process designed to produce compost (source: ISO 18606:2013, clause 3.2). Garden and park waste Tree trunks and branches, plant parts and trimmings generated during the maintenance and pruning of trees and plants (source: ISO 24161:2022). Landfill Deposition of waste into or onto the land as a means of disposal (source: ISO 18400-204:2017, clause 3.10). Luminescence An individual representing the light property luminescence. Phosphorescence An individual representing the light property phosphorescence. 1 1 Mass capacity Maximal capacity of a container in terms of mass. Color Color of the emitted light. It might be indicated by named colors or using other type of color values like hexadecimal for RGB, color temperature, etc. processing begins on Waste begins being processed on a given date. 1 Pesticide Substance or mixture of substances intended for preventing, destroying, repelling, or reducing any pest or weeds (source: ISO 27065:2017, clause 3.9). Wood construction waste Waste from discarded products and materials made of wood, including pallets, crates, boxes, furniture and planks (source: ISO 24161:2022, clause 3.1.2.33) and which arises from construction, renovation or demolition activities (source: ISO 24161:2022, clause 3.1.2.4). Hydrocarbon Chemical compound consisting of hydrogen and carbon (source: ISO 5149-1:2014, clause 3.7.5). Light property An aspect of light that can be observable by a sensor. Road segment Route taken by a waste collection vehicle between (1) its depot and the first collection point on its round, (2) collection point n and collection point n+1 on its round, or (3) the last collection point on its round and a waste processing site. Sorter Device that performs the task of sorting. Biodegradable waste Waste that is biodegradable, such as food waste or waste from green spaces. Building Construction works that has the provision of shelter for its occupants or contents as one of its main purposes, usually partially or totally enclosed and designed to stand permanently in one place (source: ISO 6707-1:2020, clause 3.1.1.3). 1 Container Vessel or receptacle used for the temporary holding of waste (source: ISO 24161:2022, clause 3.2.3.5). Digital representation A digital representation encapsulates a physical object accessible via Web services is accessible through The relation between a digital representation and the service which it is accessible through. Waste processing organisation Organisation in the waste processing industry that has waste processing sites. Lamppost A lampost with a shield. Secondary energy Energy recovered from a previous use or from waste (source: ISO 21928-2:2023, clause 3.36). follows itinerary A journey follows a defined itinerary. Light point An spatial point from where a light is projected. It might belong to a lamppost. Length Length in distance of a journey or an itinerary. Itinerary Set of road segments that make up the route taken by a waste collection vehicle, from its depot to the collection points on its round and finally to a waste processing site. Paper and cardboard waste Waste from discarded products and materials made of paper and carboard. Lamppost A tall pole with a light at the top. Heavy metal Heavy metals are elements that are toxic to human health, animals and plants. Cadmium, mercury and lead are examples of heavy metals. TESS (Telescope Encoder and Sky Sensor) The Telescope Encoder and Sky Sensor (TESS) is a Sky Brightness and Cloud detector developed as a device for a remote observatory. A TESS can observe the light magnitude and other properties as ambient temperature and sky temperature. Frequency An individual representing the property frequency. Water emission kind Category of water emission. Waste producer Person or organisation which produces waste from their own activities (source: ISO 24161:2022, clause 3.2.1.6). Non-residential building container Container attributed to a non-residential building. Neighbourhood Any spatial subpart of a city. Resource kind Category of resource. Collection of buildings Multiple buildings, not necessarily grouped spatially and not necessarily sharing any characteristics. Energy A primary raw resource that can take the form of heat or electricity. 1 produces A waste processing device produces one or more secondary raw resources and/or final waste. Primary raw resource kind Category of primary raw resource. has collection point A container can be assigned a collection point. 1 Voluntary drop-off container Container not attributed to a building but rather located in a public area. Relies on the user voluntarily making the trip to the container to dispose of their waste. Waste disposal function Represents the functionality of disposing of waste. Waste collection vehicle Purpose-built vehicle for the collection and transport of waste, whereby the refuse is transferred by differential air pressure, a lifting device, mechanical means or hand (source: ISO 24161:2022, clause 3.2.2.6). In the case of human-powered waste collection vehicles, they are not necessarily purpose-built for the collection and transport of waste. Waste processing device Device that processes waste. Journey Trip that has been made by a waste collection vehicle in reality, following an itinerary, to collect waste from collection points and take it to a waste processing site. is made on A journey is made on a given date. Collection point Point where waste is collected by refuse collection vehicle (source: ISO 24161:2022, clause 3.2.3.19). 1 Electricity Energy in the form of electricity. Sorting function Function of sorting. Collection reference period To be used in conjunction with s4envi:CollectionsPerReferencePeriod to describe the frequency at which waste is collected from a collection point. Waste is collected from a collection point X times every Y [time unit], where X is the unitless value of s4envi:CollectionsPerReferencePeriod, Y is the value of s4envi:CollectionReferencePeriod and [time unit] is the unit of measurement of Y. For example, waste that is collected from a collection point 3 times every 2 weeks would have X = 3, Y = 2 and a [time unit] of 'week'. Yield Ratio of input waste to output resource. Geometry The shape of a light emission. It may be described by individuals like "spherical", "cylindrical", etc. even though it is open to more complex representation of geometries using other vocabularies. Waste Substances or objects which are discarded, are intended to be discarded or are required to be discarded in accordance with national laws. Waste is a potential resource or commodity that could be turned into a useful product, recycled or recovered (source: ISO 24161:2022). has collection day A collection point can be assigned one or more collection days. Population Total number of people living within a perimeter. Concrete construction waste Waste from discarded products and materials made of concrete, and which arises from construction, renovation or demolition activities (source: ISO 24161:2022, clause 3.1.2.4). is deposited in Waste is deposited in one container. light projection height The height from which a light is projected. Illuminance An individual representing the light property illuminance. Scattering of light An individual representing the light property scattering of light. Methanisation function Function of methanising. Carbon dioxide Carbon dioxide, a greenhouse gas. Waste kind Category of waste. has creation date Final waste and secondary raw resources have a creation date that corresponds to the date on which their creation was completed. Primary raw resource Natural resource or energy that is used as a resource for the first time as input in a process or for creating a solution (source: ISO 59004:2024, clause 3.3.2). Communication interface An interface defines which primitive operations and services the lower layer makes available to the upper one, when referring to network layers. (Definition adapted from "Tanenbaum, A. S. (2003). Computer networks, 4-th edition. ed: Prentice Hall.") Vermicompost bin Device that performs the task of composting via vermicomposting. Human sorting function Function of sorting carrired out by a human. is deposited at Waste is deposited at a waste processing site. light projection direction The direction in which a light is projected. Methanisation Process of controlled decomposition of biodegradable materials under managed conditions where free oxygen is absent, at temperatures suitable for naturally occurring mesophilic or thermophilic anaerobic and facultative bacteria species, that convert the inputs to a methane rich biogas and digestate (source: ISO 18606:2013, clause 3.10). 1 is processed by Waste is processed by at least one waste processing device. becomes Waste becomes either a secondary raw resource, or final waste. Secondary raw resource kind Category of secondary raw resource. House Building designed as one dwelling (source: ISO 6707-1:2020, clause 3.1.4.5). Landfill without recovery Device that performs the task of landfill without energy recovery. Cargo bicycle Human-powered vehicle in the form of a bicycle (mechanical or electrical) featuring a storage area for transporting loads. 1 Waste pre-treatment task Represents the task of pre-treating waste: preparing waste for treatment or disposal. Wood waste Waste from discarded products and materials made of wood, including pallets, crates, boxes, furniture and planks (source: ISO 24161:2022, clause 3.1.2.33). Shared residential building container Shared container attributed to a residential building. Height An individual representing the property height. is produced by Waste is produced by a waste producer. A waste kind is produced by a given waste producer at a given waste generation rate. 1 Maximum speed Highest speed at which a waste collection vehicle can go. Optical sorting function Function of sorting carried out by using optical sensors. has tag A relationship stating the tags that can be assigned to an entity (e.g., a digital representation). Mass An individual representing the property mass. Heat Energy in the form of heat. Depot Site where waste collection vehicles are parked when not in use. Waste generation rate Rate at which waste is generated by a waste producer. Volume An individual representing the property volume. Duration Duration in time of a journey. Waste pre-treatment device Device that pre-treats waste before the waste undergoes treatment or disposal. processing ends on Waste ends beging processed on a given date. Residential building Building for residential use. Waste disposal device Device that disposes of waste. Composter Device that performs the task of composting. 1 Waste collection vehicle kind Category of waste collection vehicle. projects light A relation between a lamppost or a light point and the light (or lights) they might project. Disassembler Device that performs the task of disassembly. Fluorescence An individual representing the light property fluorescence. Irradiance An individual representing the light property irradiance. Textile waste Waste from discarded products and materials made of textile. directly emits A waste processing device directly emits one or more emissions. Period An individual representing the property period. Container kind Category of container. Incinerator with recovery Device that performs the task of incineration with energy recovery. Compost Material obtained by decomposition of a mixture consisting principally of various vegetable residues, occasionally with organic materials of animal origin, and having a limited mineral content (source: ISO 8157:2022, clause 3.2.8.6). observation frequency The frequency at which a sensor makes observations. Shared residential building Building containing more than one dwelling. Disassembly Taking apart of an assembled product into constituent materials and/or components (source: ISO 8887-1:2017, clause 3.1.3). Incineration Thermal destruction of waste by a process of controlled high-temperature combustion with or without energy recovery (source: ISO 24161:2022, clause 3.1.3.6). Energy recovery is the process of treating waste products by thermal, chemical or biological processes to recover energy or products for energy production (source: ISO 24161:2022, clause 3.1.3.5). Soil emission kind Category of soil emission. Sorting Separating into different categories. Light magnitude An individual representing the light property light magnitude. Plastic waste Discarded material which contains as an essential ingredient a high polymer (source: ISO 24161:2022, clause 3.1.2.28). Diesel Hydrocarbon fuel, or blend thereof, that is liquid at atmospheric pressure and is used in compression-ignition engines (source: ISO 10088:2022, clause 3.7). serves A container is intended to serve one perimeter. Air emission kind Category of air emission. indirectly emits A waste processing device indirectly emits one or more emissions. is made by A journey is made by one waste collection vehicle. Individual house container Individual container attributed to a house. Final waste State of waste that has been processed by a waste disposal device. 1 City Inhabited and urbanised place.