Semantic resource visits

(March 2026)

# name visits
1 Traits Thesaurus (TRAITS_THES) 808
2 Chemical Functional Ontology (CHEMFONT) 657
3 EuroVoc Core Concepts (EUROVOC) 373
4 Environmental Thesaurus (ENVTHES) 151
5 Fish Traits Thesaurus (FISHTRAITS) 123
6 Coastal and Marine Ecological Classification Standard (CMECS) 89
7 Phytoplankton Traits Thesaurus (PHYTOTRAITS) 67
8 EuroSciVoc (EUROSCIVOC) 65
9 FuTRES Ontology of Vertebrate Traits (FOVT) 64
10 Phytoplankton VRE Thesaurus (PHYTOVRE) 59
11 Soil Food Web Ontology (SFWO) 52
12 ACTRIS Vocabulary (ACTRIS_VOCAB) 52
13 LifeWatch ERIC Upper Ontology (LUPO) 39
14 Biodiversity Thesaurus (BIODIVTHES) 38
15 Ontology of Integrated Carbon Observation System (ICOS) (CPMETA) 36
16 Invasion Biology Ontology (INBIO) 33
17 BioCollections Ontology (BCO) 31
18 Field of science and technology classification (FOS) 26
19 CODATA Research Data Management Terminology (CODATA-RDMT) 26
20 Macroalgae Traits Thesaurus (MACROALGAETRAITS) 25
21 Endemisms Thesaurus (ENDEMISMS) 23
22 eLTER Controlled Lists (ELTER_CL) 23
23 Zooplankton Traits Thesaurus (ZOOPLANKTRAITS) 22
24 ISO 639-2: Codes for the Representation of Names of Languages - Part 2: Alpha-3 Code for the Names of Languages (ISO_639-2) 22
25 Agricultural products (AGRIPOD) 22
26 AGROVOC (AGROVOC) 20
27 MarineTLO Ontology (MARINETLO) 18
28 The Ecosystem Ontology (ECSO) 18
29 Darwin Core Pathway Controlled Vocabulary (DWCPW) 18
30 WISE Classification system (WISE_CLASS) 17
31 SnowTerm (SNOWTERM) 15
32 The DMP Common Standard Ontology (DCSO) 14
33 Population and Community Ontology (PCO) 13
34 The Interpretation Ontology (INTERPRETATION) 13
35 Geologic Units (GEOLOGIC_UNITS) 13
36 eurio (EURIO) 13
37 Geologic Structures (GEO_STRUCTURES) 12
38 The Extensible Observation Ontology (OBOE) 11
39 The Archive Type Ontology (ARCHIVE) 11
40 The Paleo Units Ontology (PALEO_UNITS) 10
41 Lithology (LITHOLOGY) 10
42 FAIR Implementation Profile (FIP) Ontology (FIP_ONTOLOGY) 10
43 Audubon Core Controlled Vocabulary for Dublin Core format (ACFORMAT) 10
44 The Linked Earth Core Ontology (LIPD_ONTOLOGY) 9
45 FRBR-aligned Bibliographic Ontology (FABIO) 9
46 Marine Regions PlaceTypes code list (MRPTCODELIST) 8
47 I-ADOPT Framework ontology (I-ADOPT) 8
48 Ecological Trait-data Standard (ETS) 7
49 Biogeographical regions (BIOREGIONS) 6
50 test2 (TEST2) 5
51 Darwin Core Degree Of Establishment Controlled Vocabulary (DWCDOE) 5
52 Darwin-SW (DSW) 5
53 The Paleo Proxy Ontology (PALEO_PROXY) 4
54 The Linked Earth Instrument Ontology (INSTRUMENT) 4
55 Darwin Core Establishment Means Controlled Vocabulary (DWCEM) 4
56 test4 (TEST4) 3
57 TEST3 (TEST3) 3
58 Marine Regions ontology (MR) 3
59 EUNIS habitats (EUNIS_HABITATS) 3
60 EARTh - Environmental Applications Reference Thesaurus (EARTH) 3
61 ACTRIS Controlled Lists (ACTRIS_CL) 3
62 Audubon Core subtype Controlled Vocabulary (ACSUBTYPE) 2
63 test5 (TEST5) 1
64 UMLS Semantic Network (STY) 1
65 SCAR Gazetteer of Antarctica (SCAR_CGA) 1
66 FAIR Vocabulary (FAIR_VOCABULARY) 1
67 Alien Species Thesaurus (ALIENSPECIES) 1
68 Audubon Core variant Controlled Vocabulary (ACVARIANT) 1
69 test (TEST) 0
70 Service Types (ST) 0
71 The Paleo Variables Ontology (PALEO_VARIABLES) 0
72 Annex I habitats for Natura 2000 (N2000HABITATS) 0
73 ICOS instrument (ICOSINST) 0
74 ESA Data Ontology (ESADO) 0
75 BiomassVRE (BIOVRE) 0