cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.15468/dl.hr578d
title: Occurrence Download

description: A dataset containing 572634 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Geometry POLYGON((-12.2168 26.89453,56.51367 26.19141,56.51367 78.57422,-10.98633 78.57422,-10.85449 77.69531,-12.2168 26.89453))",
 "TaxonKey is Betula pendula Roth"
 ]
}

 The dataset includes 572634 records from 877 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0310878-200613084148143/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.9n59jf
title: Occurrence Download

description: A dataset containing 28 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Cronartium comptoniae Arthur",
 {
 "not" : {
 "Country" : [
 "is United States of America"
 ]
 }
 },
 {
 "not" : {
 "Country" : [
 "is Canada"
 ]
 }
 },
 {
 "not" : {
 "DatasetKey" : [
 "is Global database of alien macrofungi"
 ]
 }
 }
 ]
}

 The dataset includes 28 records from 8 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0108410-230530130749713/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.ttfsdc
title: Occurrence Download

description: A dataset containing 11857 species occurrences available in GBIF matching the query:
{
 "and" : [
 {
 "or" : [
 "BasisOfRecord is Observation",
 "BasisOfRecord is Machine Observation",
 "BasisOfRecord is Human Observation",
 "BasisOfRecord is Material sample",
 "BasisOfRecord is Material citation",
 "BasisOfRecord is Specimen",
 "BasisOfRecord is Fossil",
 "BasisOfRecord is Living Specimen",
 "BasisOfRecord is Occurrence evidence"
 ]
 },
 "Continent is Africa",
 "Country is Benin",
 "TaxonKey is Anacardiaceae"
 ]
}

 The dataset includes 11857 records from 91 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0361360-210914110416597/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.e4a6n6
title: Occurrence Download

description: A dataset containing 2953317 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Bubulcus ibis (Linnaeus, 1758)"
 ]
}

 The dataset includes 2953317 records from 1255 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0433762-210914110416597/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.bdx2vw
title: Occurrence Download

description: A dataset containing 134 species occurrences available in GBIF matching the query:
{
 "and" : [
 "DatasetKey is iNaturalist Research-grade Observations",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "Issue is Continent derived from coordinates",
 "TaxonKey is Penelope bridgesi G.R.Gray, 1860",
 "Year 1990-2023"
 ]
}

 The dataset includes 134 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0108402-230530130749713/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.cmgvep
title: Occurrence Download

description: A dataset containing 45901 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Ricinus communis L.",
 "HasCoordinate is true"
 ]
}

 The dataset includes 45901 records from 566 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0015840-220831081235567/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.bv3wrf
title: Occurrence Download

description: A dataset containing 35 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Aeverrillia setigera (Hincks, 1887)"
 ]
}

 The dataset includes 35 records from 7 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0001944-160430102343922/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.nvuiuo
title: Occurrence Download

description: A dataset containing 574 species occurrences available in GBIF matching the query:
{
 "and" : [
 "HasCoordinate is true",
 "TaxonKey is Pinoyscincus jagori (Peters, 1864)",
 "HasGeospatialIssue is false"
 ]
}

 The dataset includes 574 records from 10 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0026546-190918142434337/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.secsap
title: Occurrence Download

description: A dataset containing 330208 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Lathyrus pratensis L."
 ]
}

 The dataset includes 330208 records from 707 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0026544-190918142434337/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.42sxpm
title: Occurrence Download

description: A dataset containing 25104 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Country is Philippines",
 "DatasetKey is KUBI Herpetology Collection"
 ]
}

 The dataset includes 25104 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0001944-160526112335914/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.szmxsu
title: Occurrence Download

description: A dataset containing 325 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Country is Mexico",
 "DatasetKey is SWFSC Marine Mammal Survey, Vaquita 2008, Cruise 1637"
 ]
}

 The dataset includes 325 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0000877-231002084531237/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.qwe0h3
title: Occurrence Download

description: A dataset containing 852203 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Myosotis L."
 ]
}

 The dataset includes 852203 records from 1065 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0026556-190918142434337/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.gjpn3x
title: Occurrence Download

description: A dataset containing 444721 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Tracheophyta",
 "DecimalLatitude is greater than or equal to 9.085278",
 "DecimalLatitude is less than or equal to 14.085278",
 "DecimalLongitude is greater than or equal to -75.0",
 "DecimalLongitude is less than or equal to -70.0",
 "HasCoordinate is TRUE",
 "HasGeospatialIssue is FALSE"
 ]
}

 The dataset includes 444721 records from 298 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0014382-251120083545085/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.12754/data-2024-0009
title: Underwater video footage taken offshore Punta Blanca, Tenerife

description: As part of the Ocean Citizen project, underwater images were taken with a GoPro 7 Black to ground-truth the acoustically surveyed area. The camera was attached to a fishing line guided just above the bottom with a leader weight and took one picture per second. The information on depth (acoustically measured) and location (by the ship's navigation system) were subsequently inserted into the images using a temporal comparison.
DOI: 10.15468/dl.tnjaqb
title: Occurrence Download

description: A dataset containing 26568 species occurrences available in GBIF matching the query:
{
 "and" : [
 "OccurrenceStatus is Present",
 "TaxonKey is Globicephala melas"
 ]
}

 The dataset includes 26568 records from 257 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0014391-251120083545085/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.34740/kaggle/dsv/13911256
title: Peer-to-Peer Boliviano (BOB) Exchange Data
DOI: 10.15468/dl.7x2bsw
title: Occurrence Download

description: A dataset containing 15706 species occurrences available in GBIF matching the query:
{
 "and" : [
 {
 "or" : [
 "PublishingCountry is Colombia",
 {
 "and" : [
 "Country is Colombia",
 {
 "not" : {
 "Issue" : [
 "is Country coordinate mismatch"
 ]
 }
 }
 ]
 }
 ]
 },
 "TaxonKey is one of (Genipa americana [GBIF Backbone Taxonomy])"
 ]
}

 The dataset includes 15706 records from 228 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0014392-251120083545085/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.jn8qv3
title: Occurrence Download

description: A dataset containing 1936 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Achillea millefolium occidentalis",
 "HasCoordinate is true"
 ]
}

 The dataset includes 1936 records from 124 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0014393-251120083545085/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.12754/data-2024-0007
title: Datasets for the publication “Warm saltwater inflows strengthen oxygen depletion in the western Baltic Sea” by Leonie Barghorn, H. E. Markus Meier, Hagen Radtke, Thomas Neumann, and Lev Naumov

description: The results of the publication “Warm saltwater inflows strengthen oxygen depletion in the western Baltic Sea” by Leonie Barghorn, H. E. Markus Meier, Hagen Radtke, Thomas Neumann, and Lev Naumov are based on the here presented model datasets. The datasets are sorted according to the figures showing the analysis results and summarized in the README.pdf file.
DOI: 10.12754/data-2024-0008
title: Satellite Derived Bathymetry and Seafloor Classification performed by EOMAP, Tenerife, Spain

description: As part of the Ocean Citizen project, a satellite-based dataset was purchased to capture bathymetry and habitat characteristics in water depths &lt;10 m and to enable a comparison between optical and acoustical-derived habitat maps. Satellite-derived bathymetry is captured based on sunlight captured by multispectral satellite sensors to determine water depths in coastal and shallow marine environments.
DOI: 10.5281/zenodo.17748893
title: A time-continuous approach to analyzing anode aging in solid-oxide fuel cells via stochastic 3D microstructure modeling and physics-based simulations

description: The published research data contains multiphase-filed simulations of solid-oxide fuel cell anodes comprising gadolinium-doped cerium (GDC), nickel and pore space. The aging simulation was performed using Pace3D. The data shows the 3D microstructure of the SOFC anode after an aging duration of 1000h, 10000h, 20000h, 30000h, 38000h. In addition, 3D microstructure simulations obtained from a 4D stochastic microstructure model based on excursion set of random fields are given in the data for the same aging durations.

Voxels belonging to the GDC phase are assigned a value of 255, those of the nickel phase are assigned 127, and those of the pore space are assigned 0.
DOI: 10.5281/zenodo.17748892
title: A time-continuous approach to analyzing anode aging in solid-oxide fuel cells via stochastic 3D microstructure modeling and physics-based simulations

description: The published research data contains multiphase-filed simulations of solid-oxide fuel cell anodes comprising gadolinium-doped cerium (GDC), nickel and pore space. The aging simulation was performed using Pace3D. The data shows the 3D microstructure of the SOFC anode after an aging duration of 1000h, 10000h, 20000h, 30000h, 38000h. In addition, 3D microstructure simulations obtained from a 4D stochastic microstructure model based on excursion set of random fields are given in the data for the same aging durations.

Voxels belonging to the GDC phase are assigned a value of 255, those of the nickel phase are assigned 127, and those of the pore space are assigned 0.
DOI: 10.12754/data-2023-0010
title: The occurrence of Vibrio spp. in the salinity gradient of shallow coastal waters of the Baltic Sea – data set including environmental and microbiological data (EU Biodiversa project BaltVib)

description: Data was collected in the framework of the project BaltVib to analyse the microbial community composition in pelagic and benthic habitats with special focus on Vibrio spp. bacteria inside and outside of eelgrass meadows (Zostera marina), and selected macroalgae populations (Fucus spp.) in the salinity gradient of shallow coastal waters of the Baltic Sea. The temporal extent of the dataset is 25.07.2021 to 02.09.2021. The geographic extent of the dataset is spanning from 9°52,655 E to 25°00,698 W and 60°06,547 N to 54°00,8666 S. The measurement depth ranges from 0.2 meters to 7 meters. Salinity ranges from 4 to 14. Environmental parameters measured are: conductivity, temperature, pH, Secchi depth, chlorophyll a, dissolved oxygen, ammonium, nitrate, nitrite, phosphate, silicate, grain size, dissolved organic carbon, dissolved nitrogen, particulate organic nitrogen, particulate organic carbon. Vibrio spp. colony forming units were counted using TCBS agar plates. Abundance of Vibrio vulnificus was determined by ddPCR in water and sediment samples as well as in Zostera marina surface biofilm. Cell counts by flow cytometry contain: Synechococcus, Picoeukaryota, Nanoeukaryota, high-nucleic acid bacteria, low-nucleic acid bacteria. Macrophyte abundance was measured for Zostera marina and Fucus spp..
DOI: 10.15468/dl.wj6h9v
title: Occurrence Download

description: A dataset listing the 942614 species recorded in GBIF matching the query:
{
 "DatasetKey" : [
 "is International Barcode of Life project (iBOL)"
 ]
}

 The dataset's 942614 records were derived from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0014388-251120083545085/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.gbdh3j
title: Occurrence Download

description: A dataset containing 17465 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Achillea nobilis",
 "HasCoordinate is true"
 ]
}

 The dataset includes 17465 records from 286 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0014395-251120083545085/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.kg2nen
title: Occurrence Download

description: A dataset listing the 243 species recorded in GBIF matching the query:
{
 "and" : [
 "BasisOfRecord is Human Observation",
 "Country is United States of America",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "TaxonKey is one of (Pleurotus ostreatus, Lentinula edodes, Auricularia auricula-judae, Volvariella volvacea, Flammulina velutipes, Tremella fuciformis, Hypsizygus tesselatus, Stropharia rugosoannulata, Cyclocybe aegerita, Hericium erinaceus, Phallus indusiatus, Boletus edulis, Calbovista subsculpta, Calvatia gigantea, Cantharellus cibarius, Craterellus tubaeformis, Clitocybe nuda, Cortinarius caperatus, Craterellus cornucopioides, Grifola frondosa, Hydnum repandum, Lactarius deliciosus, Morchella, Tricholoma matsutake, Agaricus arvensis, Agaricus silvaticus, Amanita caesarea, Armillaria mellea, Boletus, Calocybe gambosa, Calvatia utriformis, Chroogomphus, Clavariaceae, Clavulinaceae, Coprinus comatus, Cortinarius variicolor, Fistulina hepatica, Flammulina velutipes, Hygrophorus chrysodon, Kalaharituber pfeilii, Lactarius deterrimus, Lactarius salmonicolor, Lactarius subdulcis, Lactarius volemus, Laetiporus sulphureus, Leccinum aurantiacum, Leccinum scabrum, Leccinum versipelle, Macrolepiota procera, Marasmius oreades, Polyporus mylittae, Polyporus squamosus, Ramariaceae, Sparassis crispa, Suillus bovinus, Suillus granulatus, Suillus luteus, Suillus tomentosus, Tricholoma terreum, Coprinopsis atramentaria, Morchella esculenta, Pleurotus pulmonarius, Pleurotus citrinopileatus, Morchella elata)"
 ]
}

 The dataset's 243 records were derived from 14 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0014389-251120083545085/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.12754/data-2023-0007
title: Continuous measurements of physicochemical variables made in shallow waters at around 6 m water depth of the Baltic Sea using two autonomous lander systems. Water velocity measurements are provided that were used for publication: "Autonomous high-resolution multi-parameter investigation of shallow coastal waters: variability and drivers of CO2 and CH4 (in prep)"

description: This directory contains the data from water velocity measurements that took place on the German Baltic Sea coast in the autumn of 2019 and are associated with multi-parameter investigations of greenhouse gas distribution dynamics in shallow waters which were performed with autonomous lander systems.Water velocities were measured at around 6 m water depth at the position `lander 1´ using an upward-facing acoustic current profiler (Signature 1000 instrument). The high-resolution data on physicochemical measurements can be found under: https://doi.org/10.1594/PANGAEA.956806
DOI: 10.7910/dvn/1gylei
title: Replication Data for: The cost-effectiveness of human papillomavirus self-sampling for cervical cancer screening in women workers at the manufacturing sector in Ciudad Juárez, Chihuahua, México

description: This dataset supports the article “The cost-effectiveness of human papillomavirus self-sampling for cervical cancer screening in women workers at the manufacturing sector in Ciudad Juárez, Chihuahua, México.” It contains the replication data used for the modeling analyses and the generation of each figure presented in the study.
DOI: 10.15468/dl.afjvnt
title: Occurrence Download

description: A dataset containing 4480062 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is one of (Broussonetia kaempferi, Carex scoparia, Avena sterilis, Euonymus europaeus, Glycine canescens, Glycine stenophita, Gossypium stocksii, Inga oerstediana, Oxyria digyna, Pistacia chinensis, Cardamine chenopodiifolia, Musa velutina, Vigna angularis, Carex cristatella, Aesculus chinensis, Corymbia calophylla, Dendrocalamus farinosus, Isodon lophanthoides, Piper sarmentosum, Carex pendula, Dasiphora fruticosa, Musa ornata, Primula veris, Suaeda salsa, Filipendula ulmaria, Typha minima, Angophora floribunda, Ananas comosus, Cistus crispus, Dillenia suffruticosa, Durio zibethinus, Solanum retroflexum, Vitis yunnanensis, Cardamine occulta, Carex divulsa, Carex echinata, Euphorbia lathyris, Luzula sylvatica, Malus doumeri, Melampyrum sylvaticum, Platycarya strobilacea, Populus tremula, Vitis cinerea, Armoracia rusticana, Avena barbata, Carex arenaria, Casearia decandra, Gastrodia elata, Inga laevigata, Lobelia dortmanna)",
 "BasisOfRecord is one of (Specimen, Human Observation, Observation, Machine Observation)",
 "HasCoordinate is true",
 "HasGeospatialIssue is false"
 ]
}

 The dataset includes 4480062 records from 5458 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0014386-251120083545085/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.48597/5ckw-rksc
title: Measurement of Copper at Koksijde

description: Measurement of Copper at Koksijde
DOI: 10.48597/5k9y-kc4d
title: Measurement of Sodium at Koksijde

description: Measurement of Sodium at Koksijde
DOI: 10.48597/5trf-j5sy
title: Measurement of Ammonium at Koksijde

description: Measurement of Ammonium at Koksijde
DOI: 10.48597/5vzy-3b4d
title: Measurement of N-butane at Schauinsland

description: Measurement of N-butane at Schauinsland
DOI: 10.48597/64cs-939f
title: Measurement of Potassium at Koksijde

description: Measurement of Potassium at Koksijde
DOI: 10.48597/6s2d-uemz
title: Measurement of Pm25_mass at Neuglobsow

description: Measurement of Pm25_mass at Neuglobsow
DOI: 10.48597/6wzq-ph83
title: Measurement of Nickel at Koksijde

description: Measurement of Nickel at Koksijde
DOI: 10.48597/73kg-9jvt
title: Measurement of Magnesium at Pålkem

description: Measurement of Magnesium at Pålkem
DOI: 10.48597/7eq9-g9un
title: Measurement of Sodium at Koksijde

description: Measurement of Sodium at Koksijde
DOI: 10.48597/8ds7-xb6e
title: Measurement of Potassium at Koksijde

description: Measurement of Potassium at Koksijde
DOI: 10.48597/8vc9-tq2j
title: Measurement of Chloride at Koksijde

description: Measurement of Chloride at Koksijde
DOI: 10.48597/8z3x-a3dk
title: Measurement of Cis-2-butene at Schauinsland

description: Measurement of Cis-2-butene at Schauinsland
DOI: 10.48597/9rv3-h3fb
title: Measurement of Lead at Koksijde

description: Measurement of Lead at Koksijde
DOI: 10.48597/a33w-ktc8
title: Measurement of N-heptane at Waldhof

description: Measurement of N-heptane at Waldhof
DOI: 10.48597/ajp3-d7xb
title: Measurement of Manganese at Koksijde

description: Measurement of Manganese at Koksijde
DOI: 10.48597/awbe-pc97
title: Measurement of Cadmium at Koksijde

description: Measurement of Cadmium at Koksijde
DOI: 10.48597/azpv-bbfx
title: Measurement of Precipitation_amount at Koksijde

description: Measurement of Precipitation_amount at Koksijde
DOI: 10.48597/basw-4nzb
title: Measurement of 1-3-butadiene at Schauinsland

description: Measurement of 1-3-butadiene at Schauinsland
DOI: 10.48597/bbwn-b6cw
title: Measurement of 2-methylpentane at Waldhof

description: Measurement of 2-methylpentane at Waldhof
DOI: 10.48597/btj5-s9qj
title: Measurement of N-heptane at Schauinsland

description: Measurement of N-heptane at Schauinsland
DOI: 10.48597/cmj4-b8j7
title: Measurement of Magnesium at Koksijde

description: Measurement of Magnesium at Koksijde
DOI: 10.48597/d4ay-zu66
title: Measurement of Calcium at Koksijde

description: Measurement of Calcium at Koksijde
DOI: 10.48597/dnqm-xa9j
title: Measurement of Magnesium at Koksijde

description: Measurement of Magnesium at Koksijde
DOI: 10.48597/efyt-twju
title: Measurement of Cadmium at Koksijde

description: Measurement of Cadmium at Koksijde
DOI: 10.48597/ep5s-9h5f
title: Measurement of Nickel at Koksijde

description: Measurement of Nickel at Koksijde
DOI: 10.48597/eu4q-cja3
title: Measurement of Calcium at Koksijde

description: Measurement of Calcium at Koksijde
DOI: 10.48597/f359-mb8y
title: Measurement of Manganese at Koksijde

description: Measurement of Manganese at Koksijde
DOI: 10.48597/fbw3-nj4h
title: Measurement of Conductivity at Koksijde

description: Measurement of Conductivity at Koksijde
DOI: 10.48597/fdqm-6erx
title: Measurement of Sulphate_total at Koksijde

description: Measurement of Sulphate_total at Koksijde
DOI: 10.48597/fhyz-eev5
title: Measurement of Iron at Koksijde

description: Measurement of Iron at Koksijde
DOI: 10.48597/fmp6-gvkr
title: Measurement of Pm1_mass at Waldhof

description: Measurement of Pm1_mass at Waldhof
DOI: 10.48597/gtpn-rmmb
title: Measurement of Manganese at Koksijde

description: Measurement of Manganese at Koksijde
DOI: 10.48597/gxpc-c7n8
title: Measurement of Ethene at Waldhof

description: Measurement of Ethene at Waldhof