All Concepts

The concepts below are sorted by term name, alphabetically, in a case-insensitive way.

Term ID	Term
815	a posteriori classification
816	a priori classification
2	abbreviation
1928	absolute accuracy
2528	abstract
2028	abstract root
2471	abstract test case
3	abstract test case
4	abstract test method
5	abstract test module
2475	abstract test suite
6	abstract test suite
7	acceptance testing
1206	access control
1618	access point
2264	access rights information
2203	access software
1488	accessibility
1489	accessibility information
1014	accuracy
8	accuracy
1603	accuracy of measurement
656	active object
2258	active sensing system
985	active sensing system
1378	active sensor
1379	active sonar
9	actor
1698	address
1701	address alias
2702	address assignment method
1655	address class
1553	address component
2703	address data management system
1629	address position
1656	address reference system
2130	address rendition
1699	addressable object
2112	addressee
1702	addressing
2704	addressing infrastructure
2705	addressing stakeholder
922	adjustable model parameters
1286	administrative source
10	admitted term
598	affine coordinate system
1207	agency
1208	agent
11	aggregation
2265	AIP edition
2266	AIP version
986	along-track
12	altitude
733	altitude
1637	ambient intelligence
2447	analysis ready data
2835	analytical coverage
2491	ancillary data
13	annotation
1580	annotation
1581	annotation property
2675	antenna beam width
2585	antenna main-beam efficiency
2894	antenna output temperature
2187	antenna pattern
2677	antenna radiation efficiency
2678	antenna sidelobe
2895	antenna temperature
925	aperture reference point
14	application
1652	application ontology
15	application schema
2029	arc
2206	archival information package
1380	area recording
1144	association
17	association
2294	associative concept system
873	associative concept system
2295	associative relation
18	attitude
19	attribute
20	attribute
532	attribute
1169	attribute event
2631	attribute event
1170	attributed feature
1210	authentication
1211	authorization
2492	auxiliary data
2948	axis
927	azimuth resolution
2346	backscattering coefficient
24	bag
846	band
1930	bare earth elevation
2455	barycentric coordinates
717	base representation
26	base standard
1570	basic administrative unit
658	basic service
27	basic test
928	beam width
1658	bearing
2238	bearing
28	behaviour
2735	bias
2032	bicontinuous
2110	binding
2591	blackbody load
2896	blackbody radiance
1604	blooming
1931	boresight
29	boundary
1359	boundary face
1289	boundary face string
1932	breakline
2897	brightness temperature
2682	brightness temperature sensitivity
874	broader concept
988	broadside
2149	buffer
30	buffer
1290	building unit
1212	bypass
31	calendar
32	calendar era
930	calibrated focal length
847	calibration
2347	calibration coefficient
1448	calibration curve
2883	calibration equation
2884	calibration parameters
1605	calibration validation
34	candidate route
1679	capability
35	capability test
36	cardinality
1659	Cartesian coordinate system
2349	Cartesian coordinate system
37	Cartesian coordinate system
1291	catalogue
2837	cell
2649	cell
2552	cell refinement
1213	chain of agency
1214	chain of licence
39	character
875	characteristic
1933	check point
1934	checkpoint
2650	child
1630	child address
1631	child addressable object
2553	child cell
692	child element
41	circular sequence
1647	citation
506	clarification
1582	class
43	class
848	classification
810	classification system
849	classified object
850	classifier
1611	classifier
44	classifier
45	client
2150	closure
46	closure
47	cluster
2249	co-domain
2738	co-location
2683	co-polarization
48	coboundary
49	code
50	codelist
51	codespace
2501	collection
52	complex feature
1383	complex image
1512	complex symbol
2119	component
1145	component
724	component
55	composite curve
56	composite solid
57	composite surface
1146	composition
725	composition
702	compound coordinate reference system
2651	compound CRS
851	compound registry
1513	compound symbol
1159	compression
1160	compression service
61	computational geometry
62	computational topology
1309	computational viewpoint
63	computational viewpoint
600	concatenated operation
64	concept
1624	concept field
907	concept harmonization
66	concept system
67	conceptual formalism
68	conceptual model
69	conceptual schema
70	conceptual schema language
1263	conditional feature portrayal function
2151	conformal, adj.
2614	conformance
71	conformance
72	conformance assessment process
2533	conformance class
2732	conformance clause
73	conformance clause
1366	conformance quality level
74	conformance quality level
2472	conformance test case
2534	conformance test class
2535	conformance test report
75	conformance test report
2479	conformance test result
76	conformance testing
77	conforming implementation
2529	conformity
2733	conformity clause
2152	connected
78	connected
79	connected node
734	constraint
1147	constraint
81	constraint
2121	construct
2267	content information
82	content model
1595	context
1638	context-awareness
659	continuous change
2838	continuous coverage
83	continuous coverage
1215	contract
84	control body
2154	control point
1161	conversion
85	conversion rule
1162	conversion service
1293	converter
2239	convex
86	convex hull
87	convex set
2038	coordinate
88	coordinate
2350	coordinate conversion
762	coordinate conversion
90	coordinate dimension
2039	coordinate dimension
2388	coordinate epoch
2352	coordinate operation
91	coordinate operation
703	coordinate reference system
2353	coordinate set
729	coordinate set
93	coordinate system
2354	coordinate transformation
763	coordinate transformation
2355	coordinate tuple
735	coordinate tuple
96	Coordinated Universal Time (UTC)
1216	copyleft
1449	correction
736	correctness
932	Correspondence Model
2898	cosmic microwave background
97	cost function
660	coupling
2573	coverage
2949	coverage
99	coverage
2840	coverage coordinate reference system
2841	coverage CRS
2842	coverage dimension
100	coverage geometry
2843	coverage geometry
2685	cross-calibration
2259	cross-map entry
2260	cross-map register
1279	cross-mapping
2389	cross-mapping
2686	cross-polarization
2190	cross-talk
933	cross-track
2041	curvature vector
101	curve
102	curve segment
1330	customer
2042	cycle
103	cycle
2356	cylindrical coordinate system
603	cylindrical coordinate system
1450	dark current
1451	dark current noise
1452	dark signal non uniformity
104	data
2623	data capture
1686	data category
916	data compaction
1118	data compression
2208	data dictionary
2268	data dissemination session
105	data element
107	data interchange
108	data level
2155	data point
110	data product
2624	data product
111	data product specification
2615	data product specification
1583	data property
2818	data quality
632	data quality basic measure
112	data quality date
113	data quality element
114	data quality evaluation procedure
115	data quality measure
2617	data quality measure
116	data quality overview element
117	data quality result
118	data quality scope
119	data quality subelement
2618	data quality unit
120	data quality value type
121	data quality value unit
2269	data submission session
122	data transfer
123	data type
124	dataset
2521	dataset
125	dataset series
1356	dataset series
1584	datatype
2376	datum
704	datum
2358	datum ensemble
127	day
128	definition
129	Delaunay triangulation
876	delimiting characteristic
1950	delivery
2113	delivery address
2114	delivery point
1148	dependency
130	dependency
131	deprecated term
1384	depression angle
2401	depth
605	depth
2402	derived coordinate reference system
2740	derived product
754	design coordinate reference system
2270	designated community
908	designation
909	designator
1119	detector
2885	detector
1514	deviation
2156	diameter
1559	Differential Global Navigational Satellite System
789	digital elevation model
661	digital item
1217	digital licence
2271	digital migration
790	digital number
2213	digital object
1218	digital rights management
1935	digital surface model
1936	digital terrain model
133	Dijkstra graph
134	direct evaluation method
2160	direct geodetic problem
135	direct position
2844	direct position
136	directed edge
137	directed face
138	directed node
139	directed solid
140	directed topological object
662	discrete change
141	discrete coverage
2845	discrete coverage
2554	discrete global grid
2555	discrete global grid system
663	discrete spatiotemporal object
2214	dissemination information package
2046	distance
664	distance measure
665	distance metric
2522	distribution
143	distribution transparency
1377	document
144	domain
2846	domain
879	domain
1687	domain
2341	domain
2123	domain
880	domain concept
1063	domain feature
990	Doppler angle
991	Doppler shift
1386	draught
2556	duration
1164	dynamic conversion
2403	dynamic coordinate reference system
2652	dynamic CRS
2412	dynamic datum
2304	dynamic reference frame
1430	e-government
145	easting
146	edge
147	edge-node graph
2687	effective blackbody brightness temperature
2125	element
148	element
149	ellipsoid
2382	ellipsoid
2404	ellipsoid
502	ellipsoidal coordinate system
150	ellipsoidal height
2406	ellipsoidal height
503	ellipsoidal latitude
504	ellipsoidal longitude
2706	emergency management
2688	emissivity
2158	empty set
151	encoding
152	encoding rule
153	encoding service
154	end node
2049	end node
155	end point
2899	end-to-end calibration
706	engineering coordinate reference system
156	engineering datum
157	engineering viewpoint
158	enterprise viewpoint
1948	entity
2366	epoch
1455	error
738	error
2050	error budget
1456	error of measurement
1278	error propagation
881	essential characteristic
2742	evaluation
159	evaluation
160	event
2889	ex situ
1441	ex-situ
161	executable test case
2539	executable test case
2540	executable test module
162	executable test suite
2541	executable test suite
1219	expected risk
2601	experimental standard deviation
2051	exponential map
910	extension
163	exterior
2449	external accuracy
2690	external calibration
1121	external coordinate reference system
164	external function
165	face
1515	facility
166	fail verdict
1220	fair use
167	falsification test
168	feature
1612	feature
169	feature association
852	feature association concept
170	feature attribute
2629	feature attribute concept
853	feature attribute concept
854	feature catalogue
2500	feature collection
2647	feature concept
855	feature concept
2648	feature concept dictionary
856	feature concept dictionary
174	feature division
1171	feature event
175	feature fusion
1018	feature identifier
914	feature inheritance
1431	feature instance
177	feature operation
2630	feature operation concept
857	feature operation concept
1264	feature portrayal function
178	feature portrayal rule set
774	feature reference
915	feature relationship
180	feature substitution
181	feature succession
182	feature table
1296	feature type
2715	feature-of-interest
2215	federated archives
937	fiducial centre
994	fiducial mark
1560	field of regard
1388	field of view
186	file
2886	filter
1019	filter capabilities XML
1020	filter expression
1021	filter expression processor
2159	first geodetic problem
1389	first return
187	flattening
2108	flattening
642	foliation
2161	footprint
1165	format
2367	frame reference epoch
939	frame sensor
1390	frame
1547	framework
188	framework
2383	free function
1762	free text
189	full inspection
190	function
2337	function
191	functional language
192	functional standard
1923	fused image
193	gazetteer
2344	gazetteer
1391	geiger mode
882	general concept
1221	general public licence
1613	generalization
726	generalization
883	generic concept
2261	generic concept system
884	generic concept system
885	generic relation
886	genus-species relation
2308	geocentric latitude
2397	geocentric terrestrial reference system
195	geocoding
2055	geodesic
2162	geodesic circle
2093	geodesic curvature vector
2056	geodesic line
2368	geodetic coordinate reference system
2861	geodetic coordinate reference system
707	geodetic coordinate reference system
196	geodetic coordinate system
2653	geodetic CRS
1918	geodetic datum
708	geodetic datum
199	geodetic height
2407	geodetic height
200	geodetic latitude
201	geodetic longitude
2408	geodetic reference frame
1222	GeoDRM enabled
1223	GeoDRM extended (applied to resources)
1596	geographic context awareness
2369	geographic coordinate reference system
1675	geographic coordinates
2654	geographic CRS
202	geographic data
203	geographic feature
204	geographic identifier
792	geographic imagery
793	geographic imagery scene
205	geographic information
206	geographic information service
207	geographic information system
1166	geographic point location
1167	geographic point location representation
2370	geoid
764	geoid
1224	GeoLicence
1226	GeoLicence infringement
1225	GeoLicence resolution
995	geolocating
942	geolocation information
210	geometric aggregate
2060	geometric boundary
211	geometric boundary
212	geometric complex
213	geometric dimension
2163	geometric dimension
214	geometric object
215	geometric primitive
2164	geometric primitive
216	geometric realization
2384	geometric realization
2241	geometric reference surface
217	geometric set
2166	geometric set
219	geometry property
757	geometry value object
758	geometry value pair
2467	geopositioning
996	geopositioning
982	georectified
2111	georeferenceable
944	georeferencing
2847	georeferencing
1122	gimbal
2655	globe
2469	GML application schema
906	GML application schema
824	GML document
825	GML profile
2470	GML schema
826	GML schema
2707	good practice
2820	governance framework
2493	granule
756	graph
755	graphical language
218	gravity-related height
2371	gravity-related height
945	grazing angle
2236	greatest lower bound
220	Gregorian calendar
221	grid
2848	grid
1376	grid coordinate reference system
2950	grid coordinate reference system
1069	grid coordinate system
222	grid coordinates
2850	grid coordinates
2851	grid coverage
2951	grid CRS
223	grid point
2852	grid point
224	gridded data
983	ground control point
947	ground range
999	ground reference point
1000	ground sampling distance
1571	group party
1123	gyroscope
2691	half-power bandwidth
2893	half-power beam width
2892	half-power full width
1393	heave
2409	height
614	height
859	hierarchical register
2558	hierarchy
1688	homograph
228	homomorphism
2168	homomorphism
887	homonymy
1689	homophone
1938	horizontal accuracy
1394	hydrographic swath
1392	hydrophone
1022	identification convention
801	identifier
667	identity
551	image
2853	image coordinate reference system
709	image coordinate reference system
1395	image coordinates
2854	image CRS
710	image datum
1002	image distortion
951	image formation
953	image plane
232	image point
952	image-identifiable ground control point
860	imagery
235	implementation
236	Implementation Conformance Statement
2481	implementation conformance statement
2293	implementation coverage
237	Implementation eXtra Information for Testing
2542	implementation under test
1003	impulse response
2890	in situ
1458	in situ measurement
954	incident angle
238	inconclusive verdict
2734	inconclusive verdict
2855	index coordinate reference system
2856	index CRS
239	indirect evaluation method
1585	individual
240	inertial positioning system
241	information
2272	information package
1344	information system
242	information viewpoint
1227	infringement (of a licence)
1228	infringement (of a right)
1614	inheritance
243	inheritance
2435	initial discrete global grid
2065	inner product
244	instance
1615	instance
727	instance
246	instance model
247	instant
2559	instant
1396	instantaneous field of view
248	instantiate
250	integrated positioning system
2285	integrated side lobe ratio
668	integration
888	intension
1397	intensity
251	interface
1616	interface
252	interface
2284	interferometric baseline
2193	interferometric synthetic aperture radar
254	interior
2144	internal accuracy
1004	internal coordinate reference system
255	interoperability
669	interoperate
2560	interval
256	interval scale
1636	invalidation
257	inverse evaluation
2178	inverse geodetic problem
1460	irradiance
258	isolated node
2169	isometry
2066	isomorphic
259	isomorphism
1298	item
260	item
261	item class
1299	join predicate
1333	join tuple
1229	joint ownership
1492	journey
1493	journey segment
263	Julian date
264	Julian day number
265	junction
1461	keystone effect
1548	knowledge
558	knowledge base
1360	land
1300	land administration
819	land cover
1301	land cover metalanguage
1028	land use
911	language
266	language identifier
1399	last return
267	layer
955	layover
643	leaf
1230	lease
2071	least upper bound
813	legend
861	legend class
1231	lend
1572	level
1940	lever arm
268	lexical language
1232	licence
1233	licence extents
1234	licence manager
670	license
1235	licensee
1236	licensing agent
1237	licensor
1676	lidar
269	life span
1400	light detection and ranging
1302	liminal spatial unit
270	line string
1649	lineage
617	linear coordinate system
1073	linear element
2494	linear element
1401	linear mode
271	linear positioning system
272	linear reference system
1172	linear referencing
1365	Linear Referencing Method
1079	Linear Referencing System
273	linear referencing system
1173	linear segment
2605	linearity
1081	linearly located
1174	linearly located event
2495	linearly located feature
2496	linearly locating feature
1175	linearly referenced location
274	link
275	link position
1653	linked geodata
1644	literal
1029	literal value
501	local datum
1334	local resource
1703	locale
507	locale
1587	localName
1176	located feature
1177	locating feature
2345	location
276	location
278	location based service
279	location dependent service
1335	locator attribute
2273	long term
2219	long term preservation
1402	look angle
2100	looks
672	loosely coupled interface
2084	loxodrome
1955	mail recipient
2116	mailee
1958	mailer
2900	main beam
2901	main lobe
280	main-road rule
2220	management
281	maneuver,manœuvre
282	map
618	map projection
918	matrix
2070	maximum
1562	mean sea level
284	mean sea level
862	measurable quantity
559	measurand
2386	measure
286	measure
560	measurement
1607	measurement accuracy
1463	measurement error
1465	measurement precision
2819	measurement uncertainty
287	medium
711	meridian
2580	mesh
1650	metadata
289	metadata
290	metadata element
291	metadata entity
292	metadata schema
293	metadata section
1153	metamodel
294	metamodel
1303	metaquality
295	method
2385	metric operation
794	metric traceability
2387	metric unit
1468	metrological traceability chain
2072	minimum
2445	mission
299	model
2543	modular
2544	modular specification
2545	modular standard
1678	module
889	monosemy
2170	monotonic
300	month
301	motion
1563	multibeam SONAR
1564	multiple returns
304	multiplicity
1336	Multipurpose Internet Mail Extensions (MIME) type
2171	n-disc
2075	n-simplex
2172	n-sphere
1942	nadir
838	namespace
1588	namespace
1589	namespace
305	namespace
890	narrower concept
306	navigation
740	navigation constraint
1240	necessary
2242	neighborhood
307	neighbourhood
308	network
309	node
1470	noise
863	nominal value
310	non-conformance
1690	non-verbal representation
2244	normal
2243	normal curvature vector
2078	normal section curve
311	northing
312	object
313	object
518	object point
1590	object property
519	objective
693	observable type
1442	observation
2716	observation
1305	observation procedure
1306	observation protocol
1308	observation result
2717	observer
315	obsolete term
2714	off-site
2891	on-site
644	one parameter set of geometries
1346	ontology
2274	open archival information system
2245	open set
316	open systems environment
317	operating conditions
2262	operating vocabulary
318	operation
1617	operation
319	operation
320	optical positioning system
321	ordinal era
322	ordinal scale
323	ordinal temporal reference system
795	orthoimage
1241	owner
325	package
2222	package description
2275	packaging information
2372	parameter reference epoch
1322	parameterized feature portrayal function
1323	parameterized symbol
842	parametric coordinate reference system
841	parametric coordinate system
843	parametric datum
2656	parent
1557	parent address
1558	parent addressable object
2561	parent cell
892	part-whole relation
2246	partition of unity
891	partitive relation
1242	party
1959	party
1310	party member
864	pass
326	pass verdict
677	passive object
1005	passive sensor
1405	passive SONAR
678	passive tracking
2153	path connected
1243	payment provider
2286	peak side lobe ratio
2607	perfect blackbody
328	performance indicator
329	performance testing
330	period
2562	period
2563	period identifier
331	periodic time
1244	persistent protection mechanism
958	perspective centre
1406	phase history data
333	physical quantity
960	Physical Sensor Model
1440	physiognomy
865	picture original
866	picture portrayal
619	pixel
1471	pixel response non-uniformity
1280	place
1337	Place Identifier
1920	Place Identifier (PI) link
1921	Place Identifier (PI) linking mechanism
1338	Place Identifier application
1339	Place Identifier matching
1340	Place Identifier platform
335	planar topological complex
2247	plane curve
2174	plane curve segment
831	platform
1006	platform coordinate reference system
1407	platform down direction
336	point
1408	point cloud
337	point coverage
2373	point motion operation
2747	point source
1472	point-spread function
2374	polar coordinate system
620	polar coordinate system
2196	polarimetric synthetic aperture radar
832	polarization
2348	polarization channel imbalance
867	policy
695	polygon
340	polygon coverage
2952	polymorphism
840	polymorphism
893	polysemy
341	population
2626	portrayal
342	portrayal
1324	portrayal catalogue
343	portrayal catalogue
1325	portrayal context
1269	portrayal function
1326	portrayal function set
1327	portrayal rule
344	portrayal rule
345	portrayal service
346	portrayal specification
347	position
348	positional accuracy
2451	positional reliability
2452	positioning process
349	positioning system
2887	post-launch calibration
2117	postal address
2118	postal address component
2120	postal address construct
2122	postal address domain
2124	postal address element
2126	postal address element code
2129	postal address rendering
2131	postal address segment
2127	postal address sub-element
2133	postal address template
2135	postal address type
2136	postal item
2137	postal operator
2296	pragmatic relation
2749	pre-launch calibration
1685	precision
350	precision
807	predicate
808	predicate expression
351	preferred term
2224	preservation description information
352	prime meridian
1245	principal
1007	principal point of autocollimation
521	principal point of best symmetry
535	principal register
645	prism
2713	probing function
2718	procedure
1331	process
2719	process
2276	producer
1097	product
2446	product level
355	product specification
356	profile
1155	profile
2317	projected coordinate reference system
765	projected coordinate reference system
1008	projection centre
809	property
534	property
2342	property
1591	property restriction
1312	property type
1246	protection
1247	provenance
1439	provenance
2277	provenance information
2720	proximate feature-of-interest
1654	public access
2710	public service
1565	pulse repetition frequency
963	pushbroom sensor
2081	Pythagorean metric
1592	qualified cardinality
1102	quality
2333	quality
359	quality
1577	quality assessment procedure
1578	quality assessment result
1371	quality assurance
1579	quality assurance level
1372	quality control
2619	quality evaluation
2621	quality evaluation report
360	quality schema
1474	quantity
2564	quantization
2200	radar cross section
868	radiance
572	radiant energy
2609	radiometer
2750	radiometric calibration
2693	radiometric resolution
2248	range
696	range
2582	range
2857	range
363	range
2343	range
1566	range
965	range bin
1009	range direction
1010	range resolution
1011	range vector
2858	raster
364	raster
1683	real world effect
839	realization
1156	realization
1567	receiver
366	record
367	rectified grid
368	reference data
2405	reference ellipsoid
1691	reference environment
2375	reference frame
2278	reference information
1692	reference language
1693	reference language subregister
1432	reference model
1475	reference standard
2263	reference vocabulary
2859	referenceable grid
369	referenceable grid
2632	referent
370	refinement
2565	refinement level
2439	refinement ratio
2229	refreshment
371	register
508	register manager
372	register owner
373	registration
375	registry
376	relationship
1944	relative accuracy
377	relative position
378	relative positional accuracy
1036	relocate
1249	remediation
1341	remote resource
379	remote sensing
1328	render
2139	rendered address
2138	rendered postal address
2140	rendering parameter
2141	rendition instruction
2230	repackaging
2751	repeatability
2279	replication
2280	representation information
380	request
1362	required relationship
2620	requirement
2485	requirements class
2489	resolution (of a coordinate)
639	resolution (of a sensor)
1412	resolution (of imagery)
904	resolution
1342	resolve
1358	resource
383	resource
679	resource (ICT)
1248	resource
384	response
1042	response model
1197	responsibility
1573	restriction
509	retirement
1413	return
2083	rhumb line
680	right
1250	right
1251	rights holder
681	rights management
1252	rights management
385	ring
1253	risk
386	robustness testing
387	route
389	route instruction
390	route traversal
391	routing
2176	row-major form
2721	sample
2722	sampler
1443	sampling feature
2399	satellite ephemeris
392	satellite positioning system
1414	scan
968	scan mode
1012	ScanSAR mode
2201	scattering matrix
640	scene
395	schema
698	schema
697	schema document
396	schema model
1640	seamless mobility
2177	second geodetic problem
397	segment
2132	segment
2089	segment
398	semantic type
1351	Semantic Web
622	semi-major axis
623	semi-minor axis
1108	sensor
720	sensor model
1013	sensor model
2468	sensor model
403	sequence
404	server
405	service
683	service broker
406	service chain
2711	service delivery
407	service interface
408	service metadata
684	service oriented architecture
409	set
1568	settlement
905	sexagesimal degree
410	shell
2657	sibling
2566	sibling cell
1416	sidescan SONAR
2185	signature
411	simple
2250	simple
412	simple feature
1670	simple register
1272	simple symbol
1417	single beam SONAR
971	slant plane
972	slant range
973	slant range direction
415	slope
1610	smile distortion
2860	solid
416	solid
1677	SONAR
1419	SONAR processing system
1569	Sound Navigation And Ranging
1574	source
1593	source document
417	source reference
685	spacestamp
418	spatial attribute
2864	spatial collection
2251	spatial dimension, adj
2252	spatial dimension, noun
2863	spatial feature collection
419	spatial object
420	spatial operator
1178	spatial position
421	spatial reference
422	spatial reference system
2694	spatial resolution
1316	spatial source
1363	spatial unit
1318	spatial unit group
2320	spatio-parametric coordinate reference system
844	spatio-parametric coordinate reference system
845	spatio-parametric-temporal coordinate reference system
2321	spatio-temporal coordinate reference system
2658	spatio-temporal CRS
2730	spatio-temporal object
2567	spatio-temporal reference
423	spatiotemporal domain
424	spatiotemporal object
2548	specification
425	specification
2628	specification scope
2487	specification target
2752	spectral irradiance
835	spectral resolution
2695	spectral response function
1608	spectral responsivity
2256	spectral width
2377	spherical coordinate system
2862	spherical coordinate system
713	spherical coordinate system
1666	spheroid
2696	spillover
974	spotlight mode
1420	squat
975	squint angle
2697	stability
2613	stage
1367	standalone quality report
2549	standard
1481	standardization
1421	stare
428	start node
2253	start node
429	start point
686	state (of an object)
1168	static conversion
2410	static coordinate reference system
2659	static CRS
2325	static datum
2324	static reference frame
1157	stereotype
432	stereotype
2698	Stokes parameters
2102	stop point
1609	stray light
1945	strip adjustment
1125	stripmap mode
433	strong substitutability
2128	sub-element
1111	sub-process
434	subcomplex
1625	subject field
1254	sublicence
1255	sublicensee
2281	submission agreement
2234	submission information package
1694	submitted language
1695	submitted language subregister
435	submitting organization
895	subordinate concept
436	subregister
1256	sufficient
894	superordinate concept
510	supersession
1576	supersession
1332	supplier
437	surface
438	surface patch
2145	swath
1422	swath
1423	sweep SONAR
1424	swipe
1273	symbol
1274	symbol component
1275	symbol definition
1276	symbol reference
1329	symbol set
896	synonymy
1124	Synthetic Aperture Radar
897	system of concepts
440	System Under Test
441	tag
1158	tagged value
442	tagged value
2091	tangent
2182	tangent plane
2181	tangent space
2095	tangent vector
2092	tangential curvature vector
687	target
898	technical dictionary
443	technical standard
444	technology viewpoint
2134	template
1114	template
445	temporal coordinate
2326	temporal coordinate reference system
446	temporal coordinate system
2327	temporal coordinate system
2660	temporal CRS
2328	temporal datum
447	temporal feature association
448	temporal feature operation
449	temporal position
450	temporal reference system
688	temporal sequence
2888	temporal stability
451	term
452	term equivalent
453	term instance classification
900	terminological data
901	terminological dictionary
902	terminological entry
1696	terminological entry identifier
455	terminological record
912	terminological record identifier
1697	terminology register
913	terminology repository
2490	terrestrial reference frame
2379	terrestrial reference system
457	tessellation
2536	test report
2537	test result
2550	test tool
458	testing laboratory
2101	thematic data
460	Thiessen polygon
689	timestamp
1427	topographic LIDAR
461	topological boundary
2096	topological boundary
462	topological complex
463	topological dimension
465	topological expression
466	topological object
467	topological primitive
2254	topological primitive
468	topological solid
1483	traceability chain
470	tracking
690	tracking device
646	trajectory
1257	transaction
471	transaction time
1425	transducer
2103	transfer
1619	transfer link
2104	transfer node
473	transfer protocol
800	transfer unit
2282	transformation
2380	transformation reference epoch
1426	transmitter
2105	transport means
2106	transport mode
1621	transport network
1510	transport service
630	transportation mode
744	traveller
474	traversable
785	traversal
475	traversal order
476	triangulated irregular network
1502	trip
2107	trip pattern
978	True Replacement Model
2699	true value
1258	trust
477	tuple
478	turn
2902	two-point calibration
728	type
2255	type coercion
2143	U-code
1642	ubiquitous geographic information
1641	ubiquitous public access
2723	ultimate feature-of-interest
699	UML application schema
919	UML template
480	uncertainty
1927	ungeoreferenced grid
481	Uniform Resource Identifier
627	unit
483	unit of measure
484	universal face
1602	universal representation
485	universal solid
486	universe of discourse
1594	unqualified cardinality
691	user
1575	utility network
487	valid time
871	validation
489	value
490	value domain
491	vector
492	vector geometry
745	vehicle
493	vehicle classification
1428	velocity vector
1486	verification
495	verification test
746	version (temporal)
1947	vertical accuracy
2330	vertical coordinate reference system
715	vertical coordinate reference system
716	vertical coordinate system
2332	vertical datum
629	vertical datum
2331	vertical reference frame
2381	vertical reference system
1487	vicarious calibration
1429	video phase history data
2701	viewing angle
497	viewpoint (on a system)
903	vocabulary
498	waypoint
1433	Web
2502	Web API
1434	Web service
1126	whiskbroom sensor
1667	white space
2454	white space
499	workflow
1435	World Wide Web
505	zero meridian
2569	zonal identifier
2568	zonal query
2661	zone