Semantic resource visits

(April 2026)

# name visits
1 Chemical Functional Ontology (CHEMFONT) 390
2 EuroVoc (EUROVOC) 383
3 Traits Thesaurus (TRAITS_THES) 294
4 Environmental Thesaurus (ENVTHES) 221
5 Coastal and Marine Ecological Classification Standard Catalog (CMECS) 189
6 Environmental Research Infrastructures Thesaurus (ERITHES) 132
7 Sandy Beach Thesaurus (SBTHES) 97
8 Biodiversity Thesaurus (BIODIVTHES) 76
9 EUNIS habitats (EUNIS_HABITATS) 65
10 Soil Food Web Ontology (SFWO) 49
11 ACTRIS Vocabulary (ACTRIS_VOCAB) 43
12 Phytoplankton Traits Thesaurus (PHYTOTRAITS) 41
13 Fish Traits Thesaurus (FISHTRAITS) 37
14 GeoSpecies Ontology (GEOSP) 34
15 FuTRES Ontology of Vertebrate Traits (FOVT) 31
16 Ecological Trait-data Standard (ETS) 28
17 BioCollections Ontology (BCO) 28
18 Phytoplankton VRE Thesaurus (PHYTOVRE) 27
19 Endemisms Thesaurus (ENDEMISMS) 24
20 The Extensible Observation Ontology (OBOE) 23
21 Annex I habitats for Natura 2000 (N2000_HABITATS) 22
22 MarineTLO Ontology (MARINETLO) 17
23 eLTER Controlled Lists (ELTER_CL) 17
24 Population and Community Ontology (PCO) 16
25 Field of science and technology classification (FOS) 15
26 CODATA Research Data Management Terminology (CODATA-RDMT) 15
27 Audubon Core Controlled Vocabulary for Dublin Core format (ACFORMAT) 15
28 Paleoenvironmental Standard Terms (PaST) Thesaurus (PAST) 14
29 The Ecosystem Ontology (ECSO) 14
30 Darwin-SW (DSW) 14
31 Marine Regions PlaceTypes code list (MRPTCODELIST) 13
32 EuroSciVoc (EUROSCIVOC) 13
33 Ontology of Integrated Carbon Observation System (ICOS) (CPMETA) 13
34 AGROVOC (AGROVOC) 13
35 The Interpretation Ontology (INTERPRETATION) 12
36 Invasion Biology Ontology (INBIO) 12
37 An ontology of core ecological entities (ECOCORE) 12
38 SnowTerm Thesaurus (SNOWTERM) 11
39 Plant-Pollinator Interactions (PPI) 11
40 Marine Regions ontology (MR) 11
41 FRBR-aligned Bibliographic Ontology (FABIO) 11
42 The Ecosystem Services Monitoring Ontology (ESMO) 11
43 Zooplankton Traits Thesaurus (ZOOPLANKTRAITS) 10
44 Macroalgae Traits Thesaurus (MACROALGAETRAITS) 10
45 LifeWatch ERIC Upper Ontology (LUPO) 10
46 Darwin Core Degree Of Establishment Controlled Vocabulary (DWCDOE) 10
47 Biogeographical regions (BIOREGIONS) 10
48 The Paleo Units Ontology (PALEO_UNITS) 9
49 ISO 639-2: Codes for the Representation of Names of Languages - Part 2: Alpha-3 Code for the Names of Languages (ISO_639-2) 9
50 The DMP Common Standard Ontology (DCSO) 9
51 ACTRIS Controlled Lists (ACTRIS_CL) 9
52 I-ADOPT Framework ontology (I-ADOPT) 7
53 Biomass VRE Thesaurus (BIOMASSVRE) 7
54 Alien Species Thesaurus (ALIENSPECIES) 7
55 Sustainable Meat Systems Ontology (SUMSO) 6
56 UMLS Semantic Network (STY) 6
57 Geologic Structures (GEO_STRUCTURES) 6
58 FAIR Implementation Profile (FIP) Ontology (FIP_ONTOLOGY) 6
59 The Archive Type Ontology (ARCHIVE) 6
60 Audubon Core variant Controlled Vocabulary (ACVARIANT) 6
61 The Wildlive Monitoring Ontology (WLMO) 5
62 WISE Classification system (WISE_CLASS) 5
63 Social Insect Behavior Ontology (SIBO) 5
64 The Linked Earth Instrument Ontology (INSTRUMENT) 5
65 Ecotoxicology thesaurus (ECOTOXICTHES) 5
66 Darwin Core Pathway Controlled Vocabulary (DWCPW) 5
67 The Paleo Proxy Ontology (PALEO_PROXY) 4
68 Marine Strategy Framework Directive Vocabulary (MSFDVOCAB) 4
69 The Linked Earth Core Ontology (LIPD_ONTOLOGY) 4
70 FAIR Vocabulary (FAIR_VOCABULARY) 4
71 eurio (EURIO) 4
72 The Provenance of Emission Calculations Ontology (PECO) 3
73 Geologic Units (GEOLOGIC_UNITS) 3
74 Lithology (LITHOLOGY) 2
75 Darwin Core Establishment Means Controlled Vocabulary (DWCEM) 2
76 Audubon Core subtype Controlled Vocabulary (ACSUBTYPE) 2
77 Porifera Ontology (PORO) 1