Semantic resource visits

(July 2026)

# name visits
1 Chemical Functional Ontology (CHEMFONT) 14,711
2 AGROVOC (AGROVOC) 3,929
3 Traits Thesaurus (TRAITS_THES) 1,714
4 FuTRES Ontology of Vertebrate Traits (FOVT) 1,478
5 Environmental Thesaurus (ENVTHES) 1,130
6 eLTER Controlled Lists (ELTER_CL) 701
7 ACTRIS Vocabulary (ACTRIS_VOCAB) 667
8 Ontology of Integrated Carbon Observation System (ICOS) (CPMETA) 631
9 MarineTLO Ontology (MARINETLO) 247
10 The Ecosystem Ontology (ECSO) 208
11 ISO 639-2: Codes for the Representation of Names of Languages - Part 2: Alpha-3 Code for the Names of Languages (ISO_639-2) 193
12 Invasion Biology Ontology (INBIO) 186
13 Soil Food Web Ontology (SFWO) 183
14 Ecological Trait-data Standard (ETS) 179
15 CODATA Research Data Management Terminology (CODATA-RDMT) 179
16 Coastal and Marine Ecological Classification Standard (CMECS) 177
17 ACTRIS Controlled Lists (ACTRIS_CL) 115
18 EuroVoc Core Concepts (EUROVOC) 103
19 Endemisms Thesaurus (ENDEMISMS) 83
20 Phytoplankton VRE Thesaurus (PHYTOVRE) 78
21 SnowTerm (SNOWTERM) 77
22 Biodiversity Thesaurus (BIODIVTHES) 73
23 BioCollections Ontology (BCO) 67
24 Phytoplankton Traits Thesaurus (PHYTOTRAITS) 63
25 EUNIS habitats (EUNIS_HABITATS) 55
26 Geologic Units (GEOLOGIC_UNITS) 52
27 FRBR-aligned Bibliographic Ontology (FABIO) 51
28 EuroSciVoc (EUROSCIVOC) 48
29 Alien Species Thesaurus (ALIENSPECIES) 45
30 Field of science and technology classification (FOS) 44
31 Biogeographical regions (BIOREGIONS) 38
32 Audubon Core subtype Controlled Vocabulary (ACSUBTYPE) 33
33 Marine Regions ontology (MR) 31
34 Audubon Core variant Controlled Vocabulary (ACVARIANT) 31
35 Darwin Core Pathway Controlled Vocabulary (DWCPW) 30
36 Macroalgae Traits Thesaurus (MACROALGAETRAITS) 29
37 Darwin-SW (DSW) 29
38 The Linked Earth Core Ontology (LIPD_ONTOLOGY) 28
39 Darwin Core Degree Of Establishment Controlled Vocabulary (DWCDOE) 25
40 The Extensible Observation Ontology (OBOE) 24
41 Fish Traits Thesaurus (FISHTRAITS) 23
42 eurio (EURIO) 23
43 Darwin Core Establishment Means Controlled Vocabulary (DWCEM) 23
44 The Archive Type Ontology (ARCHIVE) 23
45 WISE Classification system (WISE_CLASS) 17
46 LifeWatch ERIC Upper Ontology (LUPO) 17
47 Lithology (LITHOLOGY) 16
48 Audubon Core Controlled Vocabulary for Dublin Core format (ACFORMAT) 14
49 The Paleo Units Ontology (PALEO_UNITS) 13
50 I-ADOPT Framework ontology (I-ADOPT) 11
51 The DMP Common Standard Ontology (DCSO) 11
52 FAIR Implementation Profile (FIP) Ontology (FIP_ONTOLOGY) 9
53 Zooplankton Traits Thesaurus (ZOOPLANKTRAITS) 8
54 Population and Community Ontology (PCO) 8
55 Marine Regions PlaceTypes code list (MRPTCODELIST) 8
56 UMLS Semantic Network (STY) 5
57 SCAR Gazetteer of Antarctica (SCAR_CGA) 5
58 The Paleo Proxy Ontology (PALEO_PROXY) 5
59 The Linked Earth Instrument Ontology (INSTRUMENT) 5
60 The Interpretation Ontology (INTERPRETATION) 4
61 Geologic Structures (GEO_STRUCTURES) 4
62 FAIR Vocabulary (FAIR_VOCABULARY) 3
63 test5 (TEST5) 0
64 test4 (TEST4) 0
65 TEST3 (TEST3) 0
66 test2 (TEST2) 0
67 test (TEST) 0
68 Service Types (ST) 0
69 The Paleo Variables Ontology (PALEO_VARIABLES) 0
70 Annex I habitats for Natura 2000 (N2000HABITATS) 0
71 ICOS instrument (ICOSINST) 0
72 EARTh - Environmental Applications Reference Thesaurus (EARTH) 0
73 BiomassVRE (BIOVRE) 0
74 Agricultural products (AGRIPOD) 0