Ontology visits

(July 2026)

# name visits
1 SWEET Ontology (SWEET) 2,073
2 Observatories of the Seas Ontology (OSO) 828
3 AERIS Thesaurus (AERIS_THES) 483
4 Ontology for Meteorological sensors (AWS) 463
5 Climate and Forecast (CF) features (CFF) 280
6 eLTER Controlled Lists (ELTER_CL) 242
7 SeaVoX salt and fresh water body gazetteer (NVS_C19) 165
8 FormaTerre Thesaurus (FORMATER_VOCAB) 152
9 SAREF extension for water (S4WATR) 145
10 Chronostratigraphical / geochronological boundaries (GEOLTSBOUND) 138
11 Integrated Carbon Observation System (ICOS) 103
12 General Multilingual Environmental Thesaurus (GEMET) 93
13 French Statistical ontology for geolocation (IGEO) 83
14 ACTRIS Vocabulary (ACTRIS_VOCAB) 71
15 Units of measure (BRGM_UOM) 42
16 Global Change Master Directory Keywords (GCMD) 39
17 SIH - Types de jeu de données (SIH_TJDD) 36
18 Sensor, Observation, Sample, and Actuator Ontology (SOSA) 32
19 Sewer Network Ontology (SEWERNET) 29
20 SAREF extension for Smart City (S4CITY) 29
21 Location Ontology (ArCo network) (A-LOC) 29
22 Environmental Thesaurus (ENVTHES) 27
23 Thesaurus Theia (THEIA_THES) 20
24 Centre de données ODATIS (SXT_CDO) 20
25 The Semantic Time Series Ontology (SEMTS) 20
26 Lithology (BRGM_LTH) 18
27 GeoNames Ontology (GEONAMES) 17
28 EaSy Data Unified Thesaurus (EASY_DATA_VOCAB) 16
29 ODATIS aggregation parameters and Essential Variable names (NVS_OD1) 15
30 OSO - DCAT metadata (OSO-DCAT) 13
31 Earth Feature Type - TerraVocabulary (TERRA_VOCABS_EFT) 12
32 Thésaurus ODATIS (ODATIS) 11
33 SeaDataNet Platform categories (NVS Platform Categories_L06) (NVS_L06) 11
34 Argo Ontology (ARG) 11
35 GeoSPARQL (GEOSPARQL) 10
36 Cadastre and Land Administration Thesaurus (CALATHE) 9
37 Ontology of coordinates reference systems (IGNF) 8
38 Ontology of administrative units at IGN-France (GEOFLA) 8
39 ICES Platform Codes (NVS_C17) 7
40 Semantic Sensor Network Ontology (SSN) 6
41 OSU-Reunion (OSU-R) 6
42 Territorial Statistical Nomenclature Ontology (TSN) 5
43 Argo Reference Tables (NVS_R) 5
44 SeaDataNet Device Thesaurus (SDNDEV) 4
45 Positioning System Ontology (POSO) 4
46 Geologic Units types (GEOLUNITTYPE) 4
47 Services Nationaux d'Observation (SXT_SNO) 3
48 SeaVoX Device Catalogue (NVS_L22) 3
49 Earth science variables - TerraVocabulary (TERRA_VOCABS_ESV) 2
50 Earth science platforms - TerraVocabulary (TERRA_VOCABS_ESP) 2
51 Governance for vocabularies used within the data centre (NVS_P06) 2
52 SeaDataNet device categories (NVS_L05) 2
53 NFDI4Earth Ontology (N4E) 2
54 WGS84 Geo Positioning (GEO) 2
55 Simplified Features Geometry (SF) 1
56 SeaDataNet Parameter Discovery Vocabulary (NVS_P02) 1
57 Chronostratigraphy (GEOLTS) 1
58 Chronostratigraphic divisions (DIVCHRONOSTRAT) 1
59 ACTRIS Controlled List (ACTRIS_CL) 1
60 Territorial Statistical Nomenclature Change Ontology (TSNC) 0
61 Earth Science Sensors - TerraVocabulary (TERRA_VOCABS_ESS) 0
62 Infrastructures de recherche (SXT_IR) 0
63 Area of benefit (SXT_AOB) 0
64 Semantic Types Ontology (STY) 0
65 OSO - VoID description (OSO-VOID) 0
66 Climate and Forecast Standard Names (NVS_P07) 0
67 OGC GeoSPARQL (GSP) 0
68 Geochronological divisions (DIVGEOCHRONO) 0
69 cartCoordOnt (CART) 0