Semantic resource visits

(August 2026)

# name visits
1 AGROVOC (AGROVOC) 5,521
2 Chemical Functional Ontology (CHEMFONT) 5,469
3 FuTRES Ontology of Vertebrate Traits (FOVT) 1,215
4 Traits Thesaurus (TRAITS_THES) 682
5 ACTRIS Vocabulary (ACTRIS_VOCAB) 366
6 Sandy Beach Thesaurus (SBTHES) 352
7 Soil Food Web Ontology (SFWO) 205
8 Invasion Biology Ontology (INBIO) 156
9 An ontology of core ecological entities (ECOCORE) 134
10 Environmental Thesaurus (ENVTHES) 115
11 Coastal and Marine Ecological Classification Standard Catalog (CMECS) 96
12 BioCollections Ontology (BCO) 95
13 Ontology of Integrated Carbon Observation System (ICOS) (CPMETA) 94
14 ISO 639-2: Codes for the Representation of Names of Languages - Part 2: Alpha-3 Code for the Names of Languages (ISO_639-2) 76
15 CODATA Research Data Management Terminology (CODATA-RDMT) 75
16 eLTER Controlled Lists (ELTER_CL) 64
17 The Ecosystem Services Monitoring Ontology (ESMO) 62
18 Ecotoxicology thesaurus (ECOTOXICTHES) 54
19 Geologic Units (GEOLOGIC_UNITS) 52
20 EuroVoc (EUROVOC) 52
21 Biodiversity Thesaurus (BIODIVTHES) 43
22 Phytoplankton Traits Thesaurus (PHYTOTRAITS) 42
23 FRBR-aligned Bibliographic Ontology (FABIO) 40
24 Annex I habitats for Natura 2000 (N2000_HABITATS) 28
25 Biomass VRE Thesaurus (BIOMASSVRE) 28
26 The Linked Earth Core Ontology (LIPD_ONTOLOGY) 24
27 FAIR Implementation Profile (FIP) Ontology (FIP_ONTOLOGY) 22
28 Field of science and technology classification (FOS) 21
29 The Paleo Units Ontology (PALEO_UNITS) 20
30 MarineTLO Ontology (MARINETLO) 20
31 GeoSpecies Ontology (GEOSP) 17
32 Environmental Research Infrastructures Thesaurus (ERITHES) 17
33 Phytoplankton VRE Thesaurus (PHYTOVRE) 16
34 LifeWatch ERIC Upper Ontology (LUPO) 16
35 The Ecosystem Ontology (ECSO) 16
36 Common geographic areas (CGA) 12
37 Fish Traits Thesaurus (FISHTRAITS) 11
38 Darwin-SW (DSW) 11
39 Macroalgae Traits Thesaurus (MACROALGAETRAITS) 10
40 Paleoenvironmental Standard Terms (PaST) Thesaurus (PAST) 9
41 USGS Thesaurus (USGSTHES) 8
42 Marine Regions ontology (MR) 8
43 eurio (EURIO) 8
44 Audubon Core variant Controlled Vocabulary (ACVARIANT) 8
45 I-ADOPT Framework ontology (I-ADOPT) 7
46 EuroSciVoc (EUROSCIVOC) 7
47 Endemisms Thesaurus (ENDEMISMS) 7
48 The DMP Common Standard Ontology (DCSO) 7
49 ACTRIS Controlled Lists (ACTRIS_CL) 7
50 WISE Classification system (WISE_CLASS) 6
51 Plant-Pollinator Interactions (PPI) 6
52 Marine Regions PlaceTypes code list (MRPTCODELIST) 6
53 Geologic Structures (GEO_STRUCTURES) 6
54 FAIR Vocabulary (FAIR_VOCABULARY) 6
55 Population and Community Ontology (PCO) 5
56 SnowTerm Thesaurus (SNOWTERM) 4
57 The Extensible Observation Ontology (OBOE) 4
58 Darwin Core Pathway Controlled Vocabulary (DWCPW) 4
59 Biogeographical regions (BIOREGIONS) 4
60 Alien Species Thesaurus (ALIENSPECIES) 4
61 The Wildlive Monitoring Ontology (WLMO) 3
62 Sustainable Meat Systems Ontology (SUMSO) 3
63 Social Insect Behavior Ontology (SIBO) 3
64 Porifera Ontology (PORO) 3
65 EUNIS habitats (EUNIS_HABITATS) 3
66 Audubon Core subtype Controlled Vocabulary (ACSUBTYPE) 3
67 The Provenance of Emission Calculations Ontology (PECO) 2
68 Marine Strategy Framework Directive Vocabulary (MSFDVOCAB) 2
69 The Interpretation Ontology (INTERPRETATION) 2
70 The Linked Earth Instrument Ontology (INSTRUMENT) 2
71 Ecological Trait-data Standard (ETS) 2
72 Darwin Core Establishment Means Controlled Vocabulary (DWCEM) 2
73 Darwin Core Degree Of Establishment Controlled Vocabulary (DWCDOE) 2
74 Zooplankton Traits Thesaurus (ZOOPLANKTRAITS) 1
75 UMLS Semantic Network (STY) 1
76 LifeWatch Italy Semantic Platform Ontology (SPO) 1
77 The Paleo Proxy Ontology (PALEO_PROXY) 1
78 Data Categories for Marine Planning (MPD) 1
79 Lithology (LITHOLOGY) 1
80 Audubon Core Controlled Vocabulary for Dublin Core format (ACFORMAT) 1
81 The Archive Type Ontology (ARCHIVE) 0