Semantic resource visits

(May 2026)

# name visits
1 Chemical Functional Ontology (CHEMFONT) 2,292
2 Traits Thesaurus (TRAITS_THES) 918
3 Soil Food Web Ontology (SFWO) 729
4 Biodiversity Thesaurus (BIODIVTHES) 661
5 WISE Classification system (WISE_CLASS) 597
6 Invasion Biology Ontology (INBIO) 481
7 CODATA Research Data Management Terminology (CODATA-RDMT) 469
8 Sandy Beach Thesaurus (SBTHES) 420
9 The Interpretation Ontology (INTERPRETATION) 350
10 Environmental Research Infrastructures Thesaurus (ERITHES) 281
11 Environmental Thesaurus (ENVTHES) 281
12 Paleoenvironmental Standard Terms (PaST) Thesaurus (PAST) 239
13 The Linked Earth Core Ontology (LIPD_ONTOLOGY) 217
14 Lithology (LITHOLOGY) 206
15 Coastal and Marine Ecological Classification Standard Catalog (CMECS) 206
16 Alien Species Thesaurus (ALIENSPECIES) 148
17 Darwin Core Pathway Controlled Vocabulary (DWCPW) 115
18 EuroVoc (EUROVOC) 95
19 Darwin-SW (DSW) 95
20 EUNIS habitats (EUNIS_HABITATS) 88
21 Phytoplankton Traits Thesaurus (PHYTOTRAITS) 62
22 The Paleo Proxy Ontology (PALEO_PROXY) 52
23 LifeWatch Italy Semantic Platform Ontology (SPO) 47
24 FuTRES Ontology of Vertebrate Traits (FOVT) 40
25 LifeWatch ERIC Upper Ontology (LUPO) 39
26 EuroSciVoc (EUROSCIVOC) 33
27 Audubon Core variant Controlled Vocabulary (ACVARIANT) 27
28 The Extensible Observation Ontology (OBOE) 26
29 Macroalgae Traits Thesaurus (MACROALGAETRAITS) 26
30 Field of science and technology classification (FOS) 21
31 I-ADOPT Framework ontology (I-ADOPT) 19
32 Zooplankton Traits Thesaurus (ZOOPLANKTRAITS) 15
33 ISO 639-2: Codes for the Representation of Names of Languages - Part 2: Alpha-3 Code for the Names of Languages (ISO_639-2) 15
34 Fish Traits Thesaurus (FISHTRAITS) 15
35 An ontology of core ecological entities (ECOCORE) 13
36 FAIR Implementation Profile (FIP) Ontology (FIP_ONTOLOGY) 12
37 SnowTerm Thesaurus (SNOWTERM) 11
38 AGROVOC (AGROVOC) 11
39 Plant-Pollinator Interactions (PPI) 10
40 Darwin Core Degree Of Establishment Controlled Vocabulary (DWCDOE) 10
41 Phytoplankton VRE Thesaurus (PHYTOVRE) 9
42 ACTRIS Vocabulary (ACTRIS_VOCAB) 9
43 Marine Regions PlaceTypes code list (MRPTCODELIST) 8
44 eurio (EURIO) 8
45 BioCollections Ontology (BCO) 8
46 eLTER Controlled Lists (ELTER_CL) 7
47 Marine Strategy Framework Directive Vocabulary (MSFDVOCAB) 6
48 Ontology of Integrated Carbon Observation System (ICOS) (CPMETA) 6
49 The Wildlive Monitoring Ontology (WLMO) 5
50 The Ecosystem Services Monitoring Ontology (ESMO) 5
51 The Ecosystem Ontology (ECSO) 5
52 Ecotoxicology thesaurus (ECOTOXICTHES) 5
53 The Paleo Units Ontology (PALEO_UNITS) 4
54 Annex I habitats for Natura 2000 (N2000_HABITATS) 4
55 Geologic Structures (GEO_STRUCTURES) 4
56 Porifera Ontology (PORO) 3
57 MarineTLO Ontology (MARINETLO) 3
58 Geologic Units (GEOLOGIC_UNITS) 3
59 Biomass VRE Thesaurus (BIOMASSVRE) 3
60 Audubon Core Controlled Vocabulary for Dublin Core format (ACFORMAT) 3
61 Population and Community Ontology (PCO) 2
62 GeoSpecies Ontology (GEOSP) 2
63 FAIR Vocabulary (FAIR_VOCABULARY) 2
64 Ecological Trait-data Standard (ETS) 2
65 Endemisms Thesaurus (ENDEMISMS) 2
66 Darwin Core Establishment Means Controlled Vocabulary (DWCEM) 2
67 The DMP Common Standard Ontology (DCSO) 2
68 The Archive Type Ontology (ARCHIVE) 2
69 UMLS Semantic Network (STY) 1
70 Social Insect Behavior Ontology (SIBO) 1
71 The Provenance of Emission Calculations Ontology (PECO) 1
72 The Linked Earth Instrument Ontology (INSTRUMENT) 1
73 Sustainable Meat Systems Ontology (SUMSO) 0
74 Marine Regions ontology (MR) 0
75 FRBR-aligned Bibliographic Ontology (FABIO) 0
76 Biogeographical regions (BIOREGIONS) 0
77 ACTRIS Controlled Lists (ACTRIS_CL) 0
78 Audubon Core subtype Controlled Vocabulary (ACSUBTYPE) 0