# TerraFabric Ontology — generated by terrafabric-server # version 1.0.0 @prefix tf: . @prefix tfr: . @prefix owl: . @prefix rdf: . @prefix rdfs: . @prefix xsd: . @prefix skos: . @prefix dct: . @prefix dcat: . @prefix prov: . @prefix sosa: . @prefix ssn: . @prefix geo: . @prefix schema: . @prefix odrl: . a owl:Ontology ; dct:title "TerraFabric Ontology" ; dct:description "Agentic-first ontology for discovering, evaluating, licensing, purchasing and tasking Earth observation data, and for integrating EO into command-and-control systems." ; owl:versionInfo "1.0.0" ; dct:license . tf:module a owl:AnnotationProperty ; rdfs:label "ontology module" . tf:Provider a owl:Class ; rdfs:label "Data provider" ; rdfs:comment "An organisation that operates sensors or publishes Earth observation data." ; tf:module "actors" ; rdfs:subClassOf prov:Organization ; rdfs:subClassOf schema:Organization . tf:SpaceAgency a owl:Class ; rdfs:label "Space agency" ; rdfs:comment "A governmental or intergovernmental provider, typically with open data policies." ; tf:module "actors" ; rdfs:subClassOf tf:Provider ; rdfs:subClassOf schema:GovernmentOrganization . tf:CommercialProvider a owl:Class ; rdfs:label "Commercial provider" ; rdfs:comment "A company selling Earth observation data or tasking under licence." ; tf:module "actors" ; rdfs:subClassOf tf:Provider ; rdfs:subClassOf schema:Corporation . tf:AcademicProvider a owl:Class ; rdfs:label "Academic / NGO provider" ; rdfs:comment "A research institution or non-profit publishing derived EO products." ; tf:module "actors" ; rdfs:subClassOf tf:Provider . tf:Agent a owl:Class ; rdfs:label "Autonomous agent" ; rdfs:comment "An AI or software agent acting on behalf of a principal to discover, evaluate and acquire data." ; tf:module "actors" ; rdfs:subClassOf prov:SoftwareAgent ; rdfs:subClassOf schema:SoftwareApplication . tf:C2System a owl:Class ; rdfs:label "Command-and-control system" ; rdfs:comment "A C2 system (e.g. OVERMATCH) consuming TerraFabric as a machine-to-machine ISR data backend." ; tf:module "actors" ; rdfs:subClassOf tf:Agent . tf:Principal a owl:Class ; rdfs:label "Principal" ; rdfs:comment "The human or organisation on whose behalf an agent acts and who approves spend." ; tf:module "actors" ; rdfs:subClassOf prov:Person ; rdfs:subClassOf prov:Organization . tf:Platform a owl:Class ; rdfs:label "Platform" ; rdfs:comment "A satellite, constellation, space station or aircraft hosting instruments." ; tf:module "observation" ; rdfs:subClassOf sosa:Platform . tf:Satellite a owl:Class ; rdfs:label "Satellite" ; rdfs:comment "A single spacecraft." ; tf:module "observation" ; rdfs:subClassOf tf:Platform . tf:Constellation a owl:Class ; rdfs:label "Constellation" ; rdfs:comment "A coordinated group of spacecraft operated as one system." ; tf:module "observation" ; rdfs:subClassOf tf:Platform . tf:AirbornePlatform a owl:Class ; rdfs:label "Airborne platform" ; rdfs:comment "Crewed or uncrewed aircraft carrying EO sensors." ; tf:module "observation" ; rdfs:subClassOf tf:Platform . tf:Instrument a owl:Class ; rdfs:label "Instrument" ; rdfs:comment "A sensor that produces observations (imager, radar, LiDAR, spectrometer, receiver)." ; tf:module "observation" ; rdfs:subClassOf sosa:Sensor . tf:Modality a owl:Class ; rdfs:label "Sensing modality" ; rdfs:comment "The physical sensing principle or data type (optical, SAR, LiDAR, RF, ...)." ; tf:module "observation" ; rdfs:subClassOf skos:Concept . tf:SpectralBand a owl:Class ; rdfs:label "Spectral band" ; rdfs:comment "A wavelength or frequency interval sampled by an instrument." ; tf:module "observation" ; rdfs:subClassOf sosa:ObservableProperty . tf:ProcessingLevel a owl:Class ; rdfs:label "Processing level" ; rdfs:comment "CEOS/NASA-style processing level from L0 (raw) to L4 (model/analysis output)." ; tf:module "observation" ; rdfs:subClassOf skos:Concept . tf:DataTier a owl:Class ; rdfs:label "Data tier" ; rdfs:comment "Coarse position in the value chain: raw sensor data, pre-processed data or data product." ; tf:module "observation" ; rdfs:subClassOf skos:Concept . tf:Collection a owl:Class ; rdfs:label "Collection" ; rdfs:comment "A STAC-compatible collection of homogeneous EO items from one source and processing chain." ; tf:module "data" ; rdfs:subClassOf dcat:Dataset ; rdfs:subClassOf sosa:ObservationCollection . tf:RawDataCollection a owl:Class ; rdfs:label "Raw data collection" ; rdfs:comment "Minimally processed sensor data (L0–L1B, SLC, photon, point cloud, phase history)." ; tf:module "data" ; rdfs:subClassOf tf:Collection . tf:PreprocessedCollection a owl:Class ; rdfs:label "Pre-processed collection" ; rdfs:comment "Calibrated, orthorectified or atmospherically corrected analysis-ready data (L1C–L2)." ; tf:module "data" ; rdfs:subClassOf tf:Collection . tf:DataProductCollection a owl:Class ; rdfs:label "Data product collection" ; rdfs:comment "Derived information products: mosaics, maps, detections, reanalyses (L3–L4)." ; tf:module "data" ; rdfs:subClassOf tf:Collection . tf:Item a owl:Class ; rdfs:label "Item / scene" ; rdfs:comment "A single spatio-temporal acquisition (scene, granule, tile, track)." ; tf:module "data" ; rdfs:subClassOf dcat:Dataset ; rdfs:subClassOf sosa:Observation . tf:Asset a owl:Class ; rdfs:label "Asset" ; rdfs:comment "A downloadable file or service endpoint belonging to an item." ; tf:module "data" ; rdfs:subClassOf dcat:Distribution . tf:AccessMethod a owl:Class ; rdfs:label "Access method" ; rdfs:comment "An endpoint through which data can be discovered or retrieved (STAC API, S3, WMTS, broker)." ; tf:module "data" ; rdfs:subClassOf dcat:DataService . tf:DataFormat a owl:Class ; rdfs:label "Data format" ; rdfs:comment "File or encoding format (COG, SAFE, NITF, SICD, HDF5, ...)." ; tf:module "data" ; rdfs:subClassOf dct:MediaTypeOrExtent . tf:AreaOfInterest a owl:Class ; rdfs:label "Area of interest" ; rdfs:comment "A geographic area supplied by a user or agent for search, quote or tasking." ; tf:module "data" ; rdfs:subClassOf geo:Feature . tf:SpatialExtent a owl:Class ; rdfs:label "Spatial extent" ; rdfs:comment "Bounding geometry of a collection or item." ; tf:module "data" ; rdfs:subClassOf dct:Location ; rdfs:subClassOf geo:Geometry . tf:TemporalExtent a owl:Class ; rdfs:label "Temporal extent" ; rdfs:comment "Interval over which a collection has data." ; tf:module "data" ; rdfs:subClassOf dct:PeriodOfTime . tf:License a owl:Class ; rdfs:label "Licence" ; rdfs:comment "Terms governing use of data." ; tf:module "commerce" ; rdfs:subClassOf odrl:Policy ; rdfs:subClassOf dct:LicenseDocument . tf:OpenLicense a owl:Class ; rdfs:label "Open licence" ; rdfs:comment "A licence permitting free use, possibly with attribution." ; tf:module "commerce" ; rdfs:subClassOf tf:License . tf:CommercialLicense a owl:Class ; rdfs:label "Commercial licence" ; rdfs:comment "A paid end-user licence whose scope is set by a licence tier." ; tf:module "commerce" ; rdfs:subClassOf tf:License . tf:LicenseTier a owl:Class ; rdfs:label "Licence tier" ; rdfs:comment "Scope of permitted sharing for commercial data (single-org → public release)." ; tf:module "commerce" ; rdfs:subClassOf skos:Concept . tf:Offer a owl:Class ; rdfs:label "Offer" ; rdfs:comment "Standing commercial terms for a collection: pricing model, rates, minimums." ; tf:module "commerce" ; rdfs:subClassOf schema:Offer ; rdfs:subClassOf odrl:Offer . tf:PricingModel a owl:Class ; rdfs:label "Pricing model" ; rdfs:comment "How price is computed: per km², per scene or subscription." ; tf:module "commerce" ; rdfs:subClassOf skos:Concept . tf:Priority a owl:Class ; rdfs:label "Tasking priority" ; rdfs:comment "Urgency class for tasking with its collection window and price multiplier." ; tf:module "commerce" ; rdfs:subClassOf skos:Concept . tf:Quote a owl:Class ; rdfs:label "Quote" ; rdfs:comment "A binding, time-limited price for a specific collection, AOI, time range, licence tier and priority." ; tf:module "commerce" ; rdfs:subClassOf schema:Offer . tf:Order a owl:Class ; rdfs:label "Order" ; rdfs:comment "An agreement to acquire data, created from a quote." ; tf:module "commerce" ; rdfs:subClassOf schema:Order ; rdfs:subClassOf prov:Activity . tf:Delivery a owl:Class ; rdfs:label "Delivery" ; rdfs:comment "Fulfilment of an order: signed URLs, cloud bucket, or streaming endpoint." ; tf:module "commerce" ; rdfs:subClassOf dcat:Distribution . tf:SpendingMandate a owl:Class ; rdfs:label "Spending mandate" ; rdfs:comment "A principal-issued budget policy that bounds what an agent may buy without human approval." ; tf:module "commerce" ; rdfs:subClassOf odrl:Policy . tf:AgentAction a owl:Class ; rdfs:label "Agent action" ; rdfs:comment "An operation an agent can perform against TerraFabric." ; tf:module "agentic" ; rdfs:subClassOf schema:Action ; rdfs:subClassOf prov:Activity . tf:SearchAction a owl:Class ; rdfs:label "Search action" ; rdfs:comment "Discover collections or items matching constraints." ; tf:module "agentic" ; rdfs:subClassOf tf:AgentAction ; rdfs:subClassOf schema:SearchAction . tf:QuoteAction a owl:Class ; rdfs:label "Quote action" ; rdfs:comment "Request a price for acquiring data." ; tf:module "agentic" ; rdfs:subClassOf tf:AgentAction . tf:OrderAction a owl:Class ; rdfs:label "Order action" ; rdfs:comment "Place an order from a quote." ; tf:module "agentic" ; rdfs:subClassOf tf:AgentAction ; rdfs:subClassOf schema:BuyAction . tf:ApprovalAction a owl:Class ; rdfs:label "Approval action" ; rdfs:comment "A principal approving an order that exceeded an agent's mandate." ; tf:module "agentic" ; rdfs:subClassOf tf:AgentAction ; rdfs:subClassOf schema:AuthorizeAction . tf:TaskAction a owl:Class ; rdfs:label "Tasking action" ; rdfs:comment "Request a new collection by a taskable sensor." ; tf:module "agentic" ; rdfs:subClassOf tf:AgentAction . tf:Tool a owl:Class ; rdfs:label "Agent tool" ; rdfs:comment "A machine-callable function exposed via MCP and the REST tool manifest." ; tf:module "agentic" ; rdfs:subClassOf schema:EntryPoint . tf:CollectionRequirement a owl:Class ; rdfs:label "Collection requirement" ; rdfs:comment "An information need expressed as AOI, time window and sensing constraints." ; tf:module "c2" ; rdfs:subClassOf prov:Plan . tf:TaskingRequest a owl:Class ; rdfs:label "Tasking request" ; rdfs:comment "A request to task one or more sensors to satisfy a collection requirement." ; tf:module "c2" ; rdfs:subClassOf prov:Activity . tf:CoverageAssessment a owl:Class ; rdfs:label "Coverage assessment" ; rdfs:comment "Ranked evaluation of which sources can satisfy a requirement, with latency, revisit and cost." ; tf:module "c2" ; rdfs:subClassOf prov:Entity . tf:AvailabilityEvent a owl:Class ; rdfs:label "Availability event" ; rdfs:comment "Notification that new data matching a subscription has become available." ; tf:module "c2" ; rdfs:subClassOf prov:Activity ; rdfs:subClassOf schema:Event . tf:ReleasabilityMarking a owl:Class ; rdfs:label "Releasability marking" ; rdfs:comment "Dissemination / handling marking attached to data and requests." ; tf:module "c2" ; rdfs:subClassOf skos:Concept . tf:providedBy a owl:ObjectProperty ; rdfs:label "provided by" ; rdfs:comment "The provider publishing the collection." ; rdfs:domain tf:Collection ; rdfs:range tf:Provider ; rdfs:subPropertyOf dct:publisher . tf:operatedBy a owl:ObjectProperty ; rdfs:label "operated by" ; rdfs:comment "Operator of the platform." ; rdfs:domain tf:Platform ; rdfs:range tf:Provider ; rdfs:subPropertyOf prov:wasAttributedTo . tf:hasPlatform a owl:ObjectProperty ; rdfs:label "has platform" ; rdfs:comment "Platform(s) whose observations feed the collection." ; rdfs:domain tf:Collection ; rdfs:range tf:Platform ; rdfs:subPropertyOf prov:wasGeneratedBy . tf:hasInstrument a owl:ObjectProperty ; rdfs:label "has instrument" ; rdfs:comment "Instrument(s) whose observations feed the collection." ; rdfs:domain tf:Collection ; rdfs:range tf:Instrument . tf:hosts a owl:ObjectProperty ; rdfs:label "hosts" ; rdfs:comment "Instrument carried by a platform." ; rdfs:domain tf:Platform ; rdfs:range tf:Instrument ; rdfs:subPropertyOf sosa:hosts . tf:hasModality a owl:ObjectProperty ; rdfs:label "has modality" ; rdfs:comment "Sensing modality." ; rdfs:domain tf:Collection ; rdfs:domain tf:Instrument ; rdfs:range tf:Modality ; rdfs:subPropertyOf dcat:theme . tf:processingLevel a owl:ObjectProperty ; rdfs:label "processing level" ; rdfs:comment "Processing level of the data." ; rdfs:domain tf:Collection ; rdfs:domain tf:Item ; rdfs:range tf:ProcessingLevel . tf:dataTier a owl:ObjectProperty ; rdfs:label "data tier" ; rdfs:comment "Value-chain tier (raw, pre-processed, product)." ; rdfs:domain tf:Collection ; rdfs:range tf:DataTier . tf:derivedFrom a owl:ObjectProperty ; rdfs:label "derived from" ; rdfs:comment "Upstream collection this one is produced from." ; rdfs:domain tf:Collection ; rdfs:range tf:Collection ; rdfs:subPropertyOf prov:wasDerivedFrom . tf:hasItem a owl:ObjectProperty ; rdfs:label "has item" ; rdfs:comment "Items (scenes) within a collection." ; rdfs:domain tf:Collection ; rdfs:range tf:Item ; rdfs:subPropertyOf dct:hasPart ; owl:inverseOf tf:inCollection . tf:inCollection a owl:ObjectProperty ; rdfs:label "in collection" ; rdfs:comment "Collection the item belongs to." ; rdfs:domain tf:Item ; rdfs:range tf:Collection ; rdfs:subPropertyOf dct:isPartOf ; owl:inverseOf tf:hasItem . tf:hasAsset a owl:ObjectProperty ; rdfs:label "has asset" ; rdfs:comment "Files or endpoints for an item." ; rdfs:domain tf:Item ; rdfs:range tf:Asset ; rdfs:subPropertyOf dcat:distribution . tf:accessibleVia a owl:ObjectProperty ; rdfs:label "accessible via" ; rdfs:comment "Endpoint for discovery or retrieval." ; rdfs:domain tf:Collection ; rdfs:range tf:AccessMethod ; rdfs:subPropertyOf dcat:accessService . tf:license a owl:ObjectProperty ; rdfs:label "licence" ; rdfs:comment "Governing licence." ; rdfs:domain tf:Collection ; rdfs:domain tf:Order ; rdfs:range tf:License ; rdfs:subPropertyOf dct:license . tf:hasOffer a owl:ObjectProperty ; rdfs:label "has offer" ; rdfs:comment "Standing commercial offer." ; rdfs:domain tf:Collection ; rdfs:range tf:Offer ; rdfs:subPropertyOf schema:offers . tf:pricingModel a owl:ObjectProperty ; rdfs:label "pricing model" ; rdfs:comment "How price is computed." ; rdfs:domain tf:Offer ; rdfs:domain tf:Quote ; rdfs:range tf:PricingModel . tf:format a owl:ObjectProperty ; rdfs:label "format" ; rdfs:comment "Encoding format." ; rdfs:domain tf:Collection ; rdfs:domain tf:Asset ; rdfs:range tf:DataFormat ; rdfs:subPropertyOf dct:format . tf:spatialExtent a owl:ObjectProperty ; rdfs:label "spatial extent" ; rdfs:comment "Geographic coverage." ; rdfs:domain tf:Collection ; rdfs:domain tf:Item ; rdfs:range tf:SpatialExtent ; rdfs:subPropertyOf dct:spatial . tf:temporalExtent a owl:ObjectProperty ; rdfs:label "temporal extent" ; rdfs:comment "Temporal coverage." ; rdfs:domain tf:Collection ; rdfs:range tf:TemporalExtent ; rdfs:subPropertyOf dct:temporal . tf:aoi a owl:ObjectProperty ; rdfs:label "area of interest" ; rdfs:comment "Target area." ; rdfs:domain tf:Quote ; rdfs:domain tf:CollectionRequirement ; rdfs:domain tf:TaskingRequest ; rdfs:range tf:AreaOfInterest ; rdfs:subPropertyOf geo:hasGeometry . tf:quotesCollection a owl:ObjectProperty ; rdfs:label "quotes collection" ; rdfs:comment "Collection being priced or tasked." ; rdfs:domain tf:Quote ; rdfs:domain tf:TaskingRequest ; rdfs:range tf:Collection ; rdfs:subPropertyOf schema:itemOffered . tf:licenseTier a owl:ObjectProperty ; rdfs:label "licence tier" ; rdfs:comment "Scope of the licence purchased." ; rdfs:domain tf:Quote ; rdfs:domain tf:Order ; rdfs:range tf:LicenseTier . tf:priority a owl:ObjectProperty ; rdfs:label "priority" ; rdfs:comment "Tasking urgency." ; rdfs:domain tf:Quote ; rdfs:domain tf:TaskingRequest ; rdfs:range tf:Priority . tf:fulfils a owl:ObjectProperty ; rdfs:label "fulfils" ; rdfs:comment "Quote accepted by this order." ; rdfs:domain tf:Order ; rdfs:range tf:Quote ; rdfs:subPropertyOf schema:acceptedOffer . tf:placedBy a owl:ObjectProperty ; rdfs:label "placed by" ; rdfs:comment "Agent that placed the order." ; rdfs:domain tf:Order ; rdfs:domain tf:TaskingRequest ; rdfs:range tf:Agent ; rdfs:subPropertyOf schema:customer ; rdfs:subPropertyOf prov:wasAssociatedWith . tf:onBehalfOf a owl:ObjectProperty ; rdfs:label "on behalf of" ; rdfs:comment "Principal for whom the agent acts." ; rdfs:domain tf:Agent ; rdfs:range tf:Principal ; rdfs:subPropertyOf prov:actedOnBehalfOf . tf:governedBy a owl:ObjectProperty ; rdfs:label "governed by" ; rdfs:comment "Mandate bounding the agent's spend." ; rdfs:domain tf:Order ; rdfs:domain tf:Agent ; rdfs:range tf:SpendingMandate . tf:hasDelivery a owl:ObjectProperty ; rdfs:label "has delivery" ; rdfs:comment "Fulfilment of the order." ; rdfs:domain tf:Order ; rdfs:range tf:Delivery ; rdfs:subPropertyOf schema:orderDelivery . tf:approvedBy a owl:ObjectProperty ; rdfs:label "approved by" ; rdfs:comment "Principal who approved an over-mandate order." ; rdfs:domain tf:Order ; rdfs:range tf:Principal ; rdfs:subPropertyOf prov:wasAssociatedWith . tf:satisfiedBy a owl:ObjectProperty ; rdfs:label "satisfied by" ; rdfs:comment "Collection able to satisfy a requirement." ; rdfs:domain tf:CollectionRequirement ; rdfs:domain tf:CoverageAssessment ; rdfs:range tf:Collection . tf:addresses a owl:ObjectProperty ; rdfs:label "addresses" ; rdfs:comment "Requirement addressed by a tasking request." ; rdfs:domain tf:TaskingRequest ; rdfs:range tf:CollectionRequirement ; rdfs:subPropertyOf prov:used . tf:releasability a owl:ObjectProperty ; rdfs:label "releasability" ; rdfs:comment "Handling / dissemination marking." ; rdfs:domain tf:Collection ; rdfs:domain tf:TaskingRequest ; rdfs:domain tf:Order ; rdfs:range tf:ReleasabilityMarking . tf:invokesTool a owl:ObjectProperty ; rdfs:label "invokes tool" ; rdfs:comment "Machine entry point used to perform the action." ; rdfs:domain tf:AgentAction ; rdfs:range tf:Tool ; rdfs:subPropertyOf schema:target . tf:actsOn a owl:ObjectProperty ; rdfs:label "acts on" ; rdfs:comment "Entity the action operates on." ; rdfs:domain tf:AgentAction ; rdfs:range owl:Thing ; rdfs:subPropertyOf schema:object . tf:about a owl:ObjectProperty ; rdfs:label "about" ; rdfs:comment "Item announced by the event." ; rdfs:domain tf:AvailabilityEvent ; rdfs:range tf:Item ; rdfs:subPropertyOf schema:about . tf:gsdMeters a owl:DatatypeProperty ; rdfs:label "ground sample distance (m)" ; rdfs:comment "Best native ground sample distance in metres." ; rdfs:domain tf:Collection ; rdfs:domain tf:Item ; rdfs:range xsd:decimal . tf:revisitHours a owl:DatatypeProperty ; rdfs:label "revisit (h)" ; rdfs:comment "Typical revisit interval over a given point, hours." ; rdfs:domain tf:Collection ; rdfs:range xsd:decimal . tf:latencyHours a owl:DatatypeProperty ; rdfs:label "latency (h)" ; rdfs:comment "Typical time from acquisition to availability, hours." ; rdfs:domain tf:Collection ; rdfs:range xsd:decimal . tf:bandCount a owl:DatatypeProperty ; rdfs:label "band count" ; rdfs:comment "Number of spectral bands." ; rdfs:domain tf:Collection ; rdfs:domain tf:Instrument ; rdfs:range xsd:integer . tf:spectralRange a owl:DatatypeProperty ; rdfs:label "spectral range" ; rdfs:comment "Covered wavelength range." ; rdfs:domain tf:Collection ; rdfs:domain tf:Instrument ; rdfs:range xsd:string . tf:sarBand a owl:DatatypeProperty ; rdfs:label "SAR frequency band" ; rdfs:comment "Radar frequency band (C, X, L, S)." ; rdfs:domain tf:Collection ; rdfs:range xsd:string . tf:polarization a owl:DatatypeProperty ; rdfs:label "polarisation" ; rdfs:comment "Radar polarisation channel." ; rdfs:domain tf:Collection ; rdfs:range xsd:string . tf:allWeather a owl:DatatypeProperty ; rdfs:label "all-weather" ; rdfs:comment "Whether data can be acquired through cloud." ; rdfs:domain tf:Collection ; rdfs:range xsd:boolean . tf:nightCapable a owl:DatatypeProperty ; rdfs:label "night capable" ; rdfs:comment "Whether data can be acquired at night." ; rdfs:domain tf:Collection ; rdfs:range xsd:boolean . tf:taskable a owl:DatatypeProperty ; rdfs:label "taskable" ; rdfs:comment "Whether new acquisitions can be requested." ; rdfs:domain tf:Collection ; rdfs:range xsd:boolean . tf:accessClass a owl:DatatypeProperty ; rdfs:label "access class" ; rdfs:comment "free or commercial." ; rdfs:domain tf:Collection ; rdfs:range xsd:string . tf:bbox a owl:DatatypeProperty ; rdfs:label "bounding box" ; rdfs:comment "West, south, east, north in WGS84 degrees." ; rdfs:domain tf:SpatialExtent ; rdfs:range xsd:string . tf:asWKT a owl:DatatypeProperty ; rdfs:label "WKT geometry" ; rdfs:comment "Geometry as WKT." ; rdfs:domain tf:SpatialExtent ; rdfs:domain tf:AreaOfInterest ; rdfs:range geo:wktLiteral ; rdfs:subPropertyOf geo:asWKT . tf:startDate a owl:DatatypeProperty ; rdfs:label "start date" ; rdfs:comment "Start of temporal coverage." ; rdfs:domain tf:TemporalExtent ; rdfs:range xsd:date ; rdfs:subPropertyOf dcat:startDate . tf:endDate a owl:DatatypeProperty ; rdfs:label "end date" ; rdfs:comment "End of temporal coverage (absent = ongoing)." ; rdfs:domain tf:TemporalExtent ; rdfs:range xsd:date ; rdfs:subPropertyOf dcat:endDate . tf:endpointURL a owl:DatatypeProperty ; rdfs:label "endpoint URL" ; rdfs:comment "Service root URL." ; rdfs:domain tf:AccessMethod ; rdfs:range xsd:anyURI ; rdfs:subPropertyOf dcat:endpointURL . tf:accessKind a owl:DatatypeProperty ; rdfs:label "access kind" ; rdfs:comment "stac-api, s3, https, wmts, earth-engine or broker." ; rdfs:domain tf:AccessMethod ; rdfs:range xsd:string . tf:archiveUsdPerKm2 a owl:DatatypeProperty ; rdfs:label "archive price (USD/km²)" ; rdfs:comment "Indicative archive list price." ; rdfs:domain tf:Offer ; rdfs:range xsd:decimal ; rdfs:subPropertyOf schema:price . tf:taskingUsdPerKm2 a owl:DatatypeProperty ; rdfs:label "tasking price (USD/km²)" ; rdfs:comment "Indicative standard-priority tasking list price." ; rdfs:domain tf:Offer ; rdfs:range xsd:decimal . tf:minimumAreaKm2 a owl:DatatypeProperty ; rdfs:label "minimum area (km²)" ; rdfs:comment "Minimum billable area." ; rdfs:domain tf:Offer ; rdfs:range xsd:decimal . tf:subscriptionUsdPerMonth a owl:DatatypeProperty ; rdfs:label "subscription (USD/month)" ; rdfs:comment "Indicative monthly subscription price." ; rdfs:domain tf:Offer ; rdfs:range xsd:decimal . tf:multiplier a owl:DatatypeProperty ; rdfs:label "price multiplier" ; rdfs:comment "Multiplier applied to the base price." ; rdfs:domain tf:LicenseTier ; rdfs:domain tf:Priority ; rdfs:range xsd:decimal . tf:windowHours a owl:DatatypeProperty ; rdfs:label "collection window (h)" ; rdfs:comment "Target collection window for tasking." ; rdfs:domain tf:Priority ; rdfs:range xsd:decimal . tf:areaKm2 a owl:DatatypeProperty ; rdfs:label "area (km²)" ; rdfs:comment "Area in square kilometres." ; rdfs:domain tf:AreaOfInterest ; rdfs:domain tf:Quote ; rdfs:range xsd:decimal . tf:totalUsd a owl:DatatypeProperty ; rdfs:label "total (USD)" ; rdfs:comment "Total price in USD." ; rdfs:domain tf:Quote ; rdfs:domain tf:Order ; rdfs:range xsd:decimal ; rdfs:subPropertyOf schema:price . tf:validUntil a owl:DatatypeProperty ; rdfs:label "valid until" ; rdfs:comment "Quote expiry." ; rdfs:domain tf:Quote ; rdfs:range xsd:dateTime ; rdfs:subPropertyOf schema:validThrough . tf:status a owl:DatatypeProperty ; rdfs:label "status" ; rdfs:comment "Lifecycle state." ; rdfs:domain tf:Order ; rdfs:domain tf:TaskingRequest ; rdfs:range xsd:string ; rdfs:subPropertyOf schema:orderStatus . tf:maxOrderUsd a owl:DatatypeProperty ; rdfs:label "max order (USD)" ; rdfs:comment "Largest single order the agent may place autonomously." ; rdfs:domain tf:SpendingMandate ; rdfs:range xsd:decimal . tf:acquiredAt a owl:DatatypeProperty ; rdfs:label "acquired at" ; rdfs:comment "Acquisition time." ; rdfs:domain tf:Item ; rdfs:range xsd:dateTime ; rdfs:subPropertyOf sosa:resultTime . tf:cloudCover a owl:DatatypeProperty ; rdfs:label "cloud cover (%)" ; rdfs:comment "Estimated cloud cover for optical items." ; rdfs:domain tf:Item ; rdfs:range xsd:decimal . tf:offNadirDeg a owl:DatatypeProperty ; rdfs:label "off-nadir (°)" ; rdfs:comment "Off-nadir viewing angle." ; rdfs:domain tf:Item ; rdfs:range xsd:decimal . tf:isOpen a owl:DatatypeProperty ; rdfs:label "is open" ; rdfs:comment "Whether the licence is open." ; rdfs:domain tf:License ; rdfs:range xsd:boolean . tf:country a owl:DatatypeProperty ; rdfs:label "country" ; rdfs:comment "ISO country / region code." ; rdfs:domain tf:Provider ; rdfs:range xsd:string ; rdfs:subPropertyOf schema:addressCountry . tf:toolName a owl:DatatypeProperty ; rdfs:label "tool name" ; rdfs:comment "Callable function name in MCP / tool manifest." ; rdfs:domain tf:Tool ; rdfs:range xsd:string ; rdfs:subPropertyOf schema:name . tf:modality-optical a tf:Modality ; skos:prefLabel "Optical" ; skos:definition "Passive imaging of reflected solar radiation in visible and near-infrared." ; skos:notation "optical" . tf:modality-multispectral a tf:Modality ; skos:prefLabel "Multispectral" ; skos:definition "Imaging in a handful of discrete spectral bands." ; skos:notation "multispectral" . tf:modality-hyperspectral a tf:Modality ; skos:prefLabel "Hyperspectral" ; skos:definition "Imaging spectroscopy with tens to hundreds of contiguous bands." ; skos:notation "hyperspectral" . tf:modality-thermal a tf:Modality ; skos:prefLabel "Thermal infrared" ; skos:definition "Emitted radiation used for temperature and heat anomalies." ; skos:notation "thermal" . tf:modality-sar a tf:Modality ; skos:prefLabel "Synthetic Aperture Radar" ; skos:definition "Active microwave imaging; all-weather, day and night." ; skos:notation "sar" . tf:modality-lidar a tf:Modality ; skos:prefLabel "LiDAR" ; skos:definition "Active laser ranging producing 3D structure and elevation." ; skos:notation "lidar" . tf:modality-elevation a tf:Modality ; skos:prefLabel "Elevation" ; skos:definition "Digital elevation, surface and terrain models." ; skos:notation "elevation" . tf:modality-atmospheric a tf:Modality ; skos:prefLabel "Atmospheric" ; skos:definition "Trace gases, aerosols and meteorological variables." ; skos:notation "atmospheric" . tf:modality-landcover a tf:Modality ; skos:prefLabel "Land cover" ; skos:definition "Thematic classification of the land surface." ; skos:notation "landcover" . tf:modality-rf a tf:Modality ; skos:prefLabel "Radio frequency" ; skos:definition "Passive detection and geolocation of RF emitters." ; skos:notation "rf" . tf:modality-ais a tf:Modality ; skos:prefLabel "AIS / cooperative tracks" ; skos:definition "Self-reported vessel positions received from space." ; skos:notation "ais" . tf:modality-video a tf:Modality ; skos:prefLabel "Full-motion video" ; skos:definition "Staring video collections from orbit." ; skos:notation "video" . tf:level-L0 a tf:ProcessingLevel ; skos:prefLabel "Level 0" ; skos:notation "L0" ; skos:definition "Unprocessed instrument data at full resolution, time-referenced." ; skos:broader tf:tier-raw . tf:level-L1 a tf:ProcessingLevel ; skos:prefLabel "Level 1" ; skos:notation "L1" ; skos:definition "Calibrated, geolocated sensor data (includes SAR SLC/GRD, L1A/L1B/L1T)." ; skos:broader tf:tier-raw . tf:level-L1A a tf:ProcessingLevel ; skos:prefLabel "Level 1A" ; skos:notation "L1A" ; skos:definition "Reconstructed, unprocessed data with ancillary calibration information appended." ; skos:broader tf:tier-raw . tf:level-L1B a tf:ProcessingLevel ; skos:prefLabel "Level 1B" ; skos:notation "L1B" ; skos:definition "Radiometrically calibrated sensor units." ; skos:broader tf:tier-raw . tf:level-L1C a tf:ProcessingLevel ; skos:prefLabel "Level 1C" ; skos:notation "L1C" ; skos:definition "Orthorectified top-of-atmosphere reflectance on a map grid." ; skos:broader tf:tier-preprocessed . tf:level-L2 a tf:ProcessingLevel ; skos:prefLabel "Level 2" ; skos:notation "L2" ; skos:definition "Derived geophysical variables at the same resolution as the source (e.g. surface reflectance)." ; skos:broader tf:tier-preprocessed . tf:level-L2A a tf:ProcessingLevel ; skos:prefLabel "Level 2A" ; skos:notation "L2A" ; skos:definition "Bottom-of-atmosphere / geolocated derived variables." ; skos:broader tf:tier-preprocessed . tf:level-L3 a tf:ProcessingLevel ; skos:prefLabel "Level 3" ; skos:notation "L3" ; skos:definition "Variables mapped on uniform space-time grids, composited or mosaicked." ; skos:broader tf:tier-product . tf:level-L4 a tf:ProcessingLevel ; skos:prefLabel "Level 4" ; skos:notation "L4" ; skos:definition "Model output or analysis results from lower-level data (maps, reanalyses, detections)." ; skos:broader tf:tier-product . tf:tier-raw a tf:DataTier ; skos:prefLabel "Raw sensor data" ; skos:definition "Minimally processed instrument output." . tf:tier-preprocessed a tf:DataTier ; skos:prefLabel "Pre-processed data" ; skos:definition "Calibrated, corrected, analysis-ready data." . tf:tier-product a tf:DataTier ; skos:prefLabel "Data product" ; skos:definition "Derived information products and analyses." . tf:license-tier-single-org a tf:LicenseTier ; skos:prefLabel "Single organisation" ; skos:definition "Use within one legal entity." ; tf:multiplier "1"^^xsd:decimal . tf:license-tier-multi-org a tf:LicenseTier ; skos:prefLabel "Multi-organisation / coalition" ; skos:definition "Sharing across up to 5 named partner organisations or coalition partners." ; tf:multiplier "1.6"^^xsd:decimal . tf:license-tier-government-wide a tf:LicenseTier ; skos:prefLabel "Government-wide" ; skos:definition "Use across all agencies of one national government, including C2 dissemination." ; tf:multiplier "2.2"^^xsd:decimal . tf:license-tier-public-release a tf:LicenseTier ; skos:prefLabel "Public release" ; skos:definition "Publication of derived and source imagery to the public." ; tf:multiplier "3"^^xsd:decimal . tf:priority-standard a tf:Priority ; skos:prefLabel "standard" ; tf:multiplier "1"^^xsd:decimal ; tf:windowHours "168"^^xsd:decimal . tf:priority-priority a tf:Priority ; skos:prefLabel "priority" ; tf:multiplier "1.5"^^xsd:decimal ; tf:windowHours "72"^^xsd:decimal . tf:priority-urgent a tf:Priority ; skos:prefLabel "urgent" ; tf:multiplier "2.5"^^xsd:decimal ; tf:windowHours "24"^^xsd:decimal . tf:priority-flash a tf:Priority ; skos:prefLabel "flash" ; tf:multiplier "4"^^xsd:decimal ; tf:windowHours "6"^^xsd:decimal . tf:pricing-per-km2 a tf:PricingModel ; skos:prefLabel "Per square kilometre" . tf:pricing-subscription a tf:PricingModel ; skos:prefLabel "Subscription" . tf:marking-public a tf:ReleasabilityMarking ; skos:prefLabel "UNCLASSIFIED // PUBLIC RELEASE" . tf:marking-licensed a tf:ReleasabilityMarking ; skos:prefLabel "UNCLASSIFIED // COMMERCIAL LICENSED — distribution per licence tier" . tf:marking-cui a tf:ReleasabilityMarking ; skos:prefLabel "CUI // controlled — handle per originating agency guidance" . a tf:Tool ; tf:toolName "search_collections" . a tf:Tool ; tf:toolName "get_collection" . a tf:Tool ; tf:toolName "search_items" . a tf:Tool ; tf:toolName "list_providers" . a tf:Tool ; tf:toolName "describe_ontology" . a tf:Tool ; tf:toolName "describe_term" . a tf:Tool ; tf:toolName "query_graph" . a tf:Tool ; tf:toolName "get_quote" . a tf:Tool ; tf:toolName "set_mandate" . a tf:Tool ; tf:toolName "place_order" . a tf:Tool ; tf:toolName "get_order" . a tf:Tool ; tf:toolName "approve_order" . a tf:Tool ; tf:toolName "assess_coverage" . a tf:Tool ; tf:toolName "submit_tasking" . a tf:Tool ; tf:toolName "get_tasking" .