Ontology visits

(February 2026)

# name visits
1 AGROVOC (AGROVOC) 5,899
2 Ontology of Biological Attributes (OBA) 2,371
3 Bohlmann Ontology (BOHLMANN) 2,359
4 Experimental Factor Ontology (EFO) 1,656
5 Gene Ontology (GO) 1,299
6 Cell Ontology (CL) 1,273
7 Soil Health Knowledge Graph (SHKG) 949
8 Common Greenhouse Ontology (CGO) 936
9 INRAE Thesaurus (INRAETHES) 884
10 National Agricultural Library Thesaurus (NALT) 778
11 Biodiversity Thesaurus (BIODIVTHES) 763
12 Ploutos Common Semantic Model (PCSM) 634
13 Ontology for Meteorological Sensors (AWS) 602
14 A lexicon of water related textual and geophysicla data - Un lexique de données textuelles et géophysiques sur l'eau (LEXEAU) 549
15 CIQUAL (CIQUAL) 533
16 GEneral Multilingual Environmental Thesaurus (GEMET) 508
17 Milk Oligosaccharide Thesaurus (MILKOLIGO) 503
18 Global Agricultural Concept Scheme (GACS) 493
19 Environment Ontology (ENVO) 469
20 Agronomy Ontology (AGRO) 451
21 Thesaurus Agrícola Nacional (THESAGRO) 423
22 Global Soil Information System Ontology (GLOSIS) 379
23 AnaEE Thesaurus (ANAEETHES) 372
24 SmartProducts Network of Ontologies Food Nutrition Data (SPO-FND) 363
25 Ontology of units of Measure (OM) 358
26 Finnish Names of Plants Ontology (KASSU) 357
27 FoodOn (FOODON) 350
28 Phenotype And Trait Ontology (PATO) 335
29 Biological Collections Ontology (BCO) 329
30 OntoAgroHidro (ONTOAGROHIDRO) 320
31 ASFA Thesaurus (ASFA) 309
32 Plant Diversity Ontology (PDO_CAS) 305
33 Crop Planning and Production Process Ontology (C3PO) 282
34 Thesaurus of Plant Characteristics (TOP) 270
35 Crop Vocabulary (CVO) 260
36 Environmental Conditions, Treatments and Exposures Ontology (ECTO) 253
37 Sustainable Development Goals Interface Ontology (SDGIO) 247
38 Soil Food Web Ontology (SFWO) 243
39 DEMETER Agriculture Information Model (DEMETER-AIM) 241
40 National Center for Biotechnology Information (NCBI) Organismal Classification (NCBITAXON) 231
41 INIA Research Datasets (INIA-RDM) 228
42 Agriculture and Forestry Ontology (AFO) 227
43 Plant Trait Ontology (TO) 175
44 Biorefinery (BIOREFINERY) 175
45 Relations Ontology (RO) 173
46 Bacterial interlocked Process ONtology (BIPON) 171
47 Vitis Ontology (CO_356) 166
48 EPPO Code Ontology (EPPO) 163
49 Wheat Trait and Phenotype Ontology (WHEATPHENOTYPE) 161
50 BigDataGrapes Ontology (BDG) 159
51 Un noyau conceptuel pour élaborer des lexiques techniques stratifiés des ressources naturelles (LEXIQUE) 157
52 Plant Ontology (PO) 151
53 AGRORDF (AGRORDF) 151
54 Agricultural Traceability and Trusted Data Sharing Ontology (AGRITRUST) 145
55 Food Classification and Description System (from FSA Food Type identifiers) (FOODEX2) 137
56 Matter Transfer Ontology (TRANSMAT) 136
57 Socio-Economic Ontology (SEONT) 135
58 Ontologie du jardinage des plantes (OJP) 133
59 Flora Phenotype Ontology (FLOPO) 132
60 Sustainable Meat Systems Ontology (SUMSO) 131
61 Plant Experimental Conditions Ontology (PECO) 131
62 Livestock Health Ontology (LHO) 131
63 Milk Microfiltration Ontology (MICROFILTRATION) 127
64 FAO WCA Crop (WCACROPS) 122
65 Beverage Ontology (BEVON) 122
66 Beet Ontology (CO_333) 119
67 Process and Observation Ontology (PO2) 117
68 WhatToMake Individuals Ontology (WTM-IO) 116
69 CoffeeWKG (COFFEEWKG) 115
70 Crop Disease (CD) 114
71 Protein Ontology (PR) 111
72 Population and Community Ontology (PCO) 108
73 Ontology of bioscientific data analysis and data management (EDAM) 106
74 PO2/TransformON (TRANSFORMON) 100
75 Plant Environment Ontology (EO) 100
76 Circular Economy Ontology Network (CEON) 99
77 Vertebrate Breed Ontology (VBO) 98
78 Barley Trait POLAPGEN Ontology (POLAPGEN_BARLEY) 97
79 Thesaurus for Animal Physiology and Livestock Systems (TRIPHASE) 96
80 FOODIE Core Ontology (FOODIE) 96
81 Durum Wheat (DURUM_WHEAT) 96
82 Plant Stress Ontology (PSO) 92
83 Linked Land Governance Thesaurus (LANDVOC) 91
84 Compositional Dietary Nutrition Ontology (CDNO) 89
85 Agri-Food Experiment Ontology (AFEO) 84
86 Food Product Ontology (FPO) 83
87 Isotopes for Food Science Ontology (ISO-FOOD) 82
88 Food Ontology in Owl (FOWL) 82
89 Wine Descriptors Ontology (FLAIR) 81
90 SARREF Extension for ECHONET (SAREF4ECHONET) 78
91 Plant Experimental Assay Ontology (PEAO) 78
92 Ontology for the management of Wine Sensory analysis Descriptors (OWSD) 74
93 Irrigation Ontology (IRRIG) 72
94 Dairy Cattle Performance Ontology (DCPO) 70
95 Wine Ontology (WINE) 66
96 TAXREF-LD (TAXREF-LD) 64
97 Ontology for Experimental Scientific Objects Core (OESO-CORE) 64
98 AgrOntology (AGRONTOLOGY) 64
99 Barley Ontology (CO_323) 63
100 BBCH-based Plant Phenological Description Ontology (PPDO) 62
101 Food Wastage Ontology (FWO) 61
102 Animal Disease Ontology (ANDO) 61
103 Animal Natural History and Life History Ontology (ADW) 61
104 Environment Ontology for Livestock (EOL) 59
105 OntoPFAS: an Ontology for the Forever Chemicals (ONTOPFAS) 58
106 Units of Measurement Ontology (UO) 55
107 Sequence Types and Features Ontology (SO) 55
108 Comparative Data Analysis Ontology (CDAO) 55
109 Rice Ontology (CO_320) 53
110 OntoBiotope (ONTOBIOTOPE) 51
111 Agriculture Product Types Ontology (APTO) 51
112 Catalogue des produits phytopharmaceutiques et de leurs usages, des matières fertilisantes et des supports de culture autorisés en France (E-PHY) 50
113 Plant Phenology Ontology (PPO) 49
114 Ontology for Experimental Phenotypic Objects (OEPO) 48
115 Cerrado Concepts and Plant Community Dynamics (CCON) 48
116 Agri-food vocabulary (AGFOOD) 47
117 Multi-scale Multi-step ontology (MS2O) 45
118 Environmental Biorefinery Ontology (EBO) 45
119 Gramene Taxonomy Ontology (GR-TAX) 44
120 Single-Nucleotide Polymorphism (SNP) Ontology (SNPO) 43
121 Semanticscience Integrated Ontology (SIO) 43
122 Food-Biomarker Ontology (FOBI) 43
123 Vocabulário controlado de geoinformação (VOCGEO) 42
124 SAREF4AGRI: an extension of SAREF for the agriculture and food domain (SAREF4AGRI) 42
125 Wheat Taxa Gold Standard (WHEAT_TAX) 39
126 Smart Applications REFerence ontology (SAREF) 39
127 Meat Thesaurus (MEAT-T) 38
128 Sweet Potato Ontology (CO_331) 38
129 Unambiguous Characterization of Sensory Experiences Ontology (UC_SENSE) 36
130 Animal Health Ontology for Livestock (AHOL) 36
131 Ontology for Food Processing Experiment (OFPE) 35
132 Context-Aware System Ontology (CASO) 35
133 The Extensible Observation Ontology (OBOE) 34
134 Agroecology Knowledge Management (GECO ontology) (GECO) 34
135 Pearl Millet Ontology (CO_327) 34
136 Agricultural Experiments Ontology (AEO) 34
137 Solanaceae Phenotype Ontology (SPTO) 33
138 SAREF4ENVI: an extension of SAREF for the environment domain (SAREF4ENVI) 33
139 Crop Research Ontology (CO_715) 33
140 BioAGgressor Ontology (BAGO) 33
141 WhatToMake Base Ontology (WTM-BO) 32
142 Soy Ontology (SOY) 32
143 Darwin-SW (DSW) 32
144 SmartProducts Network of Ontologies Food Domain Model (SPO-FDM) 31
145 Plant Gall Ontology (GALLONT) 31
146 Maize Ontology (CO_322) 30
147 CoSWoT Core ontology (COSWOT) 29
148 Agricultural and Nutrition Technology Ontology (ANT) 29
149 French Crop Usage Ontology (FCUO) 28
150 Chickpea Ontology (CO_338) 28
151 Vertebrate Trait Ontology (VT) 27
152 Plant Phenotype Experiment Ontology (PPEO) 27
153 Food Item Ontology (FIO) 27
154 French Crop Usage thesaurus (Classification des plantes cultivées en France en fonction des usages) (CROPUSAGE) 26
155 Agroecology Thesaurus (THESAE) 25
156 DECIDE ontology (DECIDE) 25
157 Apple Ontology (CO_370) 25
158 Woody Plant Ontology (CO_357) 25
159 Wheat Plant Anatomy and Development Ontology (CO_121) 25
160 UMLS Semantic Network (STY) 24
161 Veterinary Epidemiology Metadata Ontology (VEMO) 23
162 Semantic Sensor Network Ontology (SSN) 23
163 Sustainability Core Ontology (SCO) 23
164 Cowpea Ontology (CO_340) 23
165 Banana Anatomy Ontology (CO_125) 23
166 SmartProducts Food Domain Model (SPFOOD) 22
167 Fababean Ontology (CO_365) 22
168 WhatToMake Food Classification (WTM-FC) 21
169 InfraRisk Ontology (INFRARISK) 21
170 Fish Ontology (FISHO) 21
171 Yam Ontology (CO_343) 20
172 Agriculture and Livestock Metadata Elements Set (ALM) 20
173 Agroforestry Ontology (AFY) 20
174 Sensor, Observation, Sample, and Actuator Ontology (SOSA) 19
175 Genomic Feature and Variation Ontology (GFVO) 19
176 Food Ontology (FOOD) 19
177 Groundnut Ontology (CO_337) 19
178 Variables: ICASA ontology for integrated description of agricultural field experiments and production (ICASA-VARIABLES) 18
179 Blueberry Ontology (CO_371) 18
180 Aquatic Food Ontology (AQFO) 18
181 Sustainability Core Ontology - Segment U (SCO-U) 17
182 Ontology of Experimental Events (OEEV) 17
183 Indicative Crop Classification (ICC) 17
184 Grapevine Anatomy Ontology (GAO) 17
185 Sunflower Ontology (CO_359) 17
186 Terminology of French bread descriptors (ASCOPAIN-T) 17
187 XEML Environment Ontology (XEO) 16
188 Forest Products Classification and Definitions (FPCD) 16
189 Wheat Ontology (CO_321) 16
190 Variation Ontology (VARIO) 15
191 Thesaurus to define land management practices in agriculture and forestry for soil carbon storage (DATA4CPLUS) 15
192 Mungbean Ontology (CO_346) 15
193 Animal Trait Ontology for Livestock (ATOL) 15
194 Pigeon Pea Ontology (CO_341) 14
195 Coconut Ontology (CO_326) 14
196 CarbOnto (CARBONTO) 14
197 Whisky Ontology (WHISKY) 13
198 Livestock Product Trait Ontology (LPT) 13
199 Sorghum Ontology (CO_324) 13
200 Biological interlocked Process Ontology for metabolism (BIPOM) 13
201 GoMapMan - proteins (GMM_P) 12
202 Potato Ontology (CO_330) 12
203 Livestock Breed Ontology (LBO) 11
204 Basic Formal Ontology (BFO) 11
205 Advances in Agriculture and Biology (AAB) 11
206 Thesaurus for Soil Invertebrate Trait-Based Approaches (T-SITA) 10
207 agINFRA Soil Vocabulary (SOIL) 10
208 Ontology for Nutritional Studies (ONS) 10
209 Sugar Kelp Ontology (CO_360) 10
210 Common Bean Ontology (CO_335) 10
211 Rice Diseases Ontology (RICEDO) 9
212 Core ICASA ontology for integrated description of agricultural field experiments and production (ICASA-CORE) 9
213 Soybean Ontology (CO_336) 9
214 Agriculture Activity Ontology (AAO) 9
215 Rice Trait Ontology (RICE) 8
216 Open Predictive Microbiology Ontology (OFSMR) 8
217 Food Safety Monitoring Ontology (FSO) 8
218 Oat Ontology (CO_350) 8
219 Brachiaria Ontology (CO_345) 8
220 Lentil Ontology (CO_339) 8
221 Cassava Ontology (CO_334) 8
222 SmartProducts Network of Ontologies Food Taxonomy Model (SPO-FTM) 7
223 rmAgro - Domain Reference Model (RMAGRO) 7
224 Glossary of Forestry Terms for Landowners (GFTL) 7
225 Sainfoin Ontology (CO_369) 7
226 Cotton Ontology (CO_358) 7
227 Brassica Ontology (CO_348) 7
228 EUTaxO - EUdaphobase Taxonomy Ontology (TAX) 6
229 Poultry Farm Energy Efficiency Prediction Semantic Assistant Ontology (PFEEPSA) 6
230 FAO Geopolitical Ontology (GEOP) 6
231 Food Matrix for Predictive Microbiology (FMPM) 6
232 Quinoa Ontology (CO_367) 6
233 Banana Ontology (CO_325) 6
234 Soil organic carbon storage and agricultural practices modeling (CSOPRA) 5
235 Castor Bean Ontology (CO_347) 5
236 Ontobiotope_Use (USE) 4
237 Rice Treatment Ontology (TREATO) 4
238 Taxonomic Rank Ontology (TAXRANK) 4
239 SoilBR-Onto (SOILBR-ONTO) 4
240 SIREN (SIREN) 4
241 ICASA Ontology for Variables and Units (ICASA-VU) 4
242 ECOCROP Ontology (ECOCROP) 4
243 Bambara Groundnut Ontology (CO_366) 4
244 Reproductive Trait and Phenotype Ontology (REPO) 3
245 Feature Annotation Location Description Ontology (FALDO) 3
246 Data Food Consortium Ontology (DFC) 3
247 Multi-Crop Passport Ontology (CO_020) 3
248 Corine Land Cover Nomenclature (CLC) 3
249 AgronomicTaxon (ATC) 3
250 GoMapMan - metabolites (GMM_M) 2
251 TEST_IMAD (TEST_IMAD) 1
252 Plant Breeding Ontology (PBO) 1
253 Pizza Ontology 2 (PIZZA2) 0