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

description: A dataset containing 2753 species occurrences available in GBIF matching the query:
{
 "and" : [
 "BasisOfRecord is Human Observation",
 "GadmGid is USA.14_1",
 "TaxonKey is Syrphidae"
 ]
}

 The dataset includes 2753 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0104697-210914110416597/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.swtum1
title: Occurrence Download

description: A dataset containing 521 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Country is Australia",
 "HasCoordinate is true",
 "TaxonKey is Lepidozamia Regel",
 "HasGeospatialIssue is false"
 ]
}

 The dataset includes 521 records from 10 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0028547-190918142434337/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.25t8et
title: Occurrence Download

description: A dataset containing 4383 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is one of (Tibicina haematodes (Scopoli, 1763), Abax ovalis (Duftschmid, 1812))",
 "Geometry POLYGON((-9.36035 44.71551,-10.59082 42.81152,-11.82129 36.80928,-7.69043 36.17336,-3.38379 35.88905,3.12012 38.13456,9.18457 38.20366,11.7334 37.16032,12.78809 34.74161,17.09473 33.79741, 23.15918 34.23451,30.10254 32.62087,33.2666 32.99024,35.72754 35.03,33.00293 35.53223,28.69629 35.17381,28.34473 36.31513,25.7959 37.50973,24.91699 39.90974,28.78418 40.6473,30.71777 41.17865,36.87012 45.213,38.18848 46.98025,38.71582 47.7541,39.94629 47.93107,40.20996 49.61071,37.0459 50.34546,35.72754 50.40152,33.79395 52.26816,31.68457 51.94426,31.4209 53.27835,32.56348 53.43572,30.98145 54.77535,30.89355 55.52863,28.43262 56.02295,27.20215 57.65716,27.37793 58.30949,27.90527 59.17593,29.66309 59.88894,27.6416 60.58697,31.50879 62.75473,28.78418 69.83962,30.89355 70.28912,29.22363 71.55274,21.75293 71.30079,14.28223 70.14036,11.38184 67.47492,4.87793 63.66576,-5.53711 71.52491,-10.63477 71.69129,-21.5332 67.74276,-28.56445 65.36684,-24.3457 61.35461,-9.36035 44.71551))",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "Year is greater than or equal to 1980",
 "Year is less than or equal to 2021"
 ]
}

 The dataset includes 4383 records from 128 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0155989-210914110416597/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.6b8e8f
title: Occurrence Download

description: A dataset containing 572 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Country is Korea, Republic of",
 "TaxonKey is Vespa simillima Smith, 1868"
 ]
}

 The dataset includes 572 records from 7 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0175130-220831081235567/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.2apqql
title: Occurrence Download

description: A dataset containing 197308 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Lonchura punctulata (Linnaeus, 1758)"
 ]
}

 The dataset includes 197308 records from 116 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0028551-190918142434337/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.k8xhst
title: Occurrence Download

description: A dataset listing the 3431 species recorded in GBIF matching the query:
{
 "and" : [
 "Country is Georgia",
 "HasCoordinate is true",
 "Year is less than 1995",
 "HasGeospatialIssue is false"
 ]
}

 The dataset's 3431 records were derived from 162 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0139666-210914110416597/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.n2j8hw
title: Occurrence Download

description: A dataset containing 1 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Country is Guatemala",
 "DatasetKey is The centipede genus Newportia Gervais, 1847, in Mexico: description of a new troglomorphic species; redescription of N. sabina Chamberlin, 1942; revival of N. azteca Humbert & Saussure, 1869; and a summary of the fauna (Scolopendromorpha: Scolopocryptopidae: Newportiinae)"
 ]
}

 The dataset includes 1 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0205463-230224095556074/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.fhwldz
title: Occurrence Download

description: A dataset containing 269702 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Solanum dulcamara L."
 ]
}

 The dataset includes 269702 records from 666 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0020816-191105090559680/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.mjyvx5
title: Occurrence Download

description: A dataset containing 264 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Sclerotinia minor Jagger"
 ]
}

 The dataset includes 264 records from 36 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0188474-210914110416597/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.9whjsm
title: Occurrence Download

description: A dataset containing 1294 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Country is Brazil",
 "TaxonKey is Paubrasilia echinata (Lam.) Gagnon, H.C.Lima & G.P.Lewis"
 ]
}

 The dataset includes 1294 records from 107 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0275011-200613084148143/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.qzc94u
title: Occurrence Download

description: A dataset containing 194 species occurrences available in GBIF matching the query:
{
 "and" : [
 {
 "or" : [
 "Country is China",
 "Country is Chinese Taipei"
 ]
 },
 "TaxonKey is Alsophila loheri (Christ) R.M.Tryon"
 ]
}

 The dataset includes 194 records from 12 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0192629-210914110416597/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.8jmfrb
title: Occurrence Download

description: A dataset containing 13781 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Balaena mysticetus Linnaeus, 1758"
 ]
}

 The dataset includes 13781 records from 75 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0147639-210914110416597/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.pdptmp
title: Occurrence Download

description: A dataset listing the 8797 species recorded in GBIF matching the query:
{
 "and" : [
 "Country is El Salvador",
 "HasCoordinate is true",
 "Year is greater than or equal to 1996",
 "Year is less than 2021",
 "HasGeospatialIssue is false"
 ]
}

 The dataset's 8797 records were derived from 121 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0141015-210914110416597/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.bboudw
title: Occurrence Download

description: A dataset containing 600 species occurrences available in GBIF matching the query:
{
 "and" : [
 {
 "or" : [
 "BasisOfRecord is Observation",
 "BasisOfRecord is Specimen",
 "BasisOfRecord is Living Specimen",
 "BasisOfRecord is Unknown evidence",
 "BasisOfRecord is Human Observation"
 ]
 },
 "TaxonKey is Matteuccia orientalis (Hook.) Trevis."
 ]
}

 The dataset includes 600 records from 34 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0011830-191105090559680/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.2798hj
title: Occurrence Download

description: A dataset containing 2140 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is one of (Tibicina quadrisignata (Hagen, 1855), Tibicina steveni (Krynicki, 1837), Tibicen plebeja (Scopoli, 1763))",
 "Geometry POLYGON((-9.36035 44.71551,-10.59082 42.81152,-11.82129 36.80928,-7.69043 36.17336,-3.38379 35.88905,3.12012 38.13456,9.18457 38.20366,11.7334 37.16032,12.78809 34.74161,17.09473 33.79741, 23.15918 34.23451,30.10254 32.62087,33.2666 32.99024,35.72754 35.03,33.00293 35.53223,28.69629 35.17381,28.34473 36.31513,25.7959 37.50973,24.91699 39.90974,28.78418 40.6473,30.71777 41.17865,36.87012 45.213,38.18848 46.98025,38.71582 47.7541,39.94629 47.93107,40.20996 49.61071,37.0459 50.34546,35.72754 50.40152,33.79395 52.26816,31.68457 51.94426,31.4209 53.27835,32.56348 53.43572,30.98145 54.77535,30.89355 55.52863,28.43262 56.02295,27.20215 57.65716,27.37793 58.30949,27.90527 59.17593,29.66309 59.88894,27.6416 60.58697,31.50879 62.75473,28.78418 69.83962,30.89355 70.28912,29.22363 71.55274,21.75293 71.30079,14.28223 70.14036,11.38184 67.47492,4.87793 63.66576,-5.53711 71.52491,-10.63477 71.69129,-21.5332 67.74276,-28.56445 65.36684,-24.3457 61.35461,-9.36035 44.71551))",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "Year is greater than or equal to 1980",
 "Year is less than or equal to 2021"
 ]
}

 The dataset includes 2140 records from 71 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0155983-210914110416597/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.x3jgsv
title: Occurrence Download

description: A dataset listing the 30091 species recorded in GBIF matching the query:
{
 "and" : [
 "Country is Panama",
 "HasCoordinate is true",
 "Year is greater than or equal to 1996",
 "Year is less than 2021",
 "HasGeospatialIssue is false"
 ]
}

 The dataset's 30091 records were derived from 395 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0141012-210914110416597/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.928g5f
title: Occurrence Download

description: A dataset containing 682 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Indigofera thibaudiana DC."
 ]
}

 The dataset includes 682 records from 56 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0144937-220831081235567/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.x4u64a
title: Occurrence Download

description: A dataset containing 96 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Hypoplectrodes jamesoni Ogilby, 1908"
 ]
}

 The dataset includes 96 records from 16 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0058332-220831081235567/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.ccehqy
title: Occurrence Download

description: A dataset containing 1119696 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Continent is South America",
 "Country is Ecuador"
 ]
}

 The dataset includes 1119696 records from 347 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0059579-200613084148143/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.h3qysu
title: Occurrence Download

description: A dataset listing the 957 species recorded in GBIF matching the query:
{
 "and" : [
 "Country is Chinese Taipei",
 "Geometry POLYGON((121.36564 21.89998,121.7156 21.89998,121.7156 22.21526,121.36564 22.21526,121.36564 21.89998))",
 "OccurrenceStatus is Present",
 "PublishingOrg is 28eb1a3f-1c15-4a95-931a-4af90ecb574d"
 ]
}

 The dataset's 957 records were derived from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0058335-220831081235567/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.xw9e99
title: Occurrence Download

description: A dataset containing 39 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Orobanche pancicii Beck"
 ]
}

 The dataset includes 39 records from 16 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0055101-230530130749713/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.deo6y2
title: Occurrence Download

description: A dataset containing 13159 species occurrences available in GBIF matching the query:
{
 "and" : [
 "HasCoordinate is true",
 "TaxonKey is Lasiurus Gray, 1831",
 "HasGeospatialIssue is false"
 ]
}

 The dataset includes 13159 records from 149 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0007057-180412121330197/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.bw8t6z
title: Occurrence Download

description: A dataset containing 16 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Lupinus fissicalyx A.Heller"
 ]
}

 The dataset includes 16 records from 8 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0014510-230530130749713/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.wz5cy6
title: Occurrence Download

description: A dataset containing 4 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Geometry POLYGON ((-88.0945585999999992 30.6820680999999986, -88.0945585999999992 30.6828068800000011, -88.0945585999999992 30.6834678899999993, -88.0945585999999992 30.6840511300000003, -88.0945585999999992 30.6846732600000003, -88.0945585999999992 30.6852176199999995, -88.0945585999999992 30.6859563999999985, -88.0938599899999986 30.6859563999999985, -88.0928121900000036 30.6859563999999985, -88.0920748500000030 30.6859563999999985, -88.0911434700000058 30.6859563999999985, -88.0900955999999979 30.6859563999999985, -88.0900955999999979 30.6849843299999989, -88.0900955999999979 30.6842066699999982, -88.0900955999999979 30.6837400699999989, -88.0900955999999979 30.6828068800000011, -88.0900955999999979 30.6820680999999986, -88.0909882499999952 30.6820680999999986, -88.0916867800000034 30.6820680999999986, -88.0922688899999997 30.6820680999999986, -88.0929674199999937 30.6820680999999986, -88.0935495300000042 30.6820680999999986, -88.0945585999999992 30.6820680999999986))",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "Year is greater than or equal to 1932",
 "BasisOfRecord is one of (Human Observation, Living Specimen, Observation, Specimen, Machine Observation)"
 ]
}

 The dataset includes 4 records from 2 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0095281-220831081235567/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.eras7m
title: Occurrence Download

description: A dataset containing 3 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Country is Uganda",
 "TaxonKey is Cardioderma cor (Peters, 1872)"
 ]
}

 The dataset includes 3 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0007057-190320150433242/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.n8n2cz
title: Occurrence Download

description: A dataset containing 14285 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Geometry POLYGON((-87.13373 30.14942,-80.07637 23.7978,-75.01859 36.207,-74.0188 40.91191,-84.72247 45.91087,-86.25156 45.32276,-87.31017 41.79408,-87.13373 30.14942))",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "OccurrenceStatus is Present",
 "TaxonKey is Cornus florida L."
 ]
}

 The dataset includes 14285 records from 75 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0058310-220831081235567/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.mnpbn9
title: Occurrence Download

description: A dataset containing 51 species occurrences available in GBIF matching the query:
{
 "and" : [
 "BasisOfRecord is Specimen",
 "GadmGid is BHS",
 "TaxonKey is Cactaceae"
 ]
}

 The dataset includes 51 records from 7 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0014479-230530130749713/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.ziaiv4
title: Occurrence Download

description: A dataset containing 1938 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Makaira nigricans Lacepède, 1802"
 ]
}

 The dataset includes 1938 records from 40 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0007057-160526112335914/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.9cjcg7
title: Occurrence Download

description: A dataset containing 27 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Geometry POLYGON((-94.14723 -0.25579,-57.85277 -0.25579,-57.85277 14.25579,-94.14723 14.25579,-94.14723 -0.25579))",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "OccurrenceStatus is Present",
 "TaxonKey is Andinobates opisthomelas (Boulenger, 1899)",
 "Year 2020-2022"
 ]
}

 The dataset includes 27 records from 2 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0058307-220831081235567/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.fdrf9g
title: Occurrence Download

description: A dataset containing 1 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Country is Australia",
 "OccurrenceStatus is Present",
 "TaxonKey is Cotoneaster divaricatus Rehder & E.H.Wilson"
 ]
}

 The dataset includes 1 records from 1 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0122998-230530130749713/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.xrsdv3
title: Occurrence Download

description: A dataset containing 75282 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Thalassarche melanophris (Temminck, 1828)"
 ]
}

 The dataset includes 75282 records from 133 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0049867-200613084148143/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.j4at63
title: Occurrence Download

description: A dataset containing 2 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Ypsolopha acuminata (Butler, 1878) Butler, 1878",
 "HasCoordinate is true",
 "Country is Japan",
 "HasGeospatialIssue is false"
 ]
}

 The dataset includes 2 records from 2 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0218216-220831081235567/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.ahqb85
title: Occurrence Download

description: A dataset containing 633 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Lupinus elatus I.M.Johnst."
 ]
}

 The dataset includes 633 records from 37 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0014482-230530130749713/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.umr3es
title: Occurrence Download

description: A dataset containing 453981 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Country is Peru",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "TaxonKey is Magnoliopsida"
 ]
}

 The dataset includes 453981 records from 162 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0087641-200613084148143/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.37vw6x
title: Occurrence Download

description: A dataset containing 22152 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Sphyrna lewini (Griffith & Smith, 1834)"
 ]
}

 The dataset includes 22152 records from 197 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0058315-220831081235567/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.yhxeb5
title: Occurrence Download

description: A dataset containing 184439 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Geometry POLYGON((19.2041 72.33398,-1.18652 65.83008,-14.72168 53.96484,-13.22754 39.90234,-9.00879 34.36523,0.13184 36.82617,7.42676 38.23242,11.20605 37.61719,16.74316 35.06836,20.61035 35.33203,31.77246 58.18359,35.55176 72.50977,19.2041 72.33398))",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "OccurrenceStatus is Present",
 "TaxonKey is Formicidae",
 "Year 1980-2020"
 ]
}

 The dataset includes 184439 records from 677 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0080614-200613084148143/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.5517/ccdc.csd.cc2hhc9p
title: CCDC 2308672: Experimental Crystal Structure Determination

description: Related Article: Ramji Meher, Subhas Chandra Pan|2024|Org.Lett.|26|3179|doi:10.1021/acs.orglett.4c00781
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.