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

description: A dataset containing 331073 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Geometry POLYGON((-79.25193 -4.19843,-78.75723 -4.19843,-78.75723 -3.65891,-79.25193 -3.65891,-79.25193 -4.19843))",
 "OccurrenceStatus is Present"
 ]
}

 The dataset includes 331073 records from 331 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0028643-251009101135966/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.3535/5cs-3fy-7p6
title: Juniperus phoenicea L.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.3535/r1a-t3g-1wb
title: Amaranthus polygonoides L.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.5517/ccn7vd3
title: CCDC 603365: Experimental Crystal Structure Determination

description: Related Article: Weifeng Shi, M.Shafaei-Fallah, Le Zhang, C.E.Anson, E.Matern, A.Rothenberger|2007|Chem.-Eur.J.|13|598|doi:10.1002/chem.200600626
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.
DOI: 10.5517/ccnbyd9
title: CCDC 606341: Experimental Crystal Structure Determination

description: Related Article: Weifeng Shi, M.Shafaei-Fallah, Le Zhang, C.E.Anson, E.Matern, A.Rothenberger|2007|Chem.-Eur.J.|13|598|doi:10.1002/chem.200600626
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.
DOI: 10.13140/rg.2.2.16603.77600
title: Porcine epidemic diarrhea virus isolate P1414-SPF-071403A spike protein gene, complete cds
DOI: 10.13140/rg.2.2.35373.28645
title: Convert monthly precipitation values (mm/month) to "per day" values (mm/day)
DOI: 10.3535/csw-x73-7pa
title: Prangos ferulacea (L.) Lindl.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.3535/th7-t8r-k27
title: Galium pomeranicum Retz.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.3535/v4h-0bp-jzc
title: Hieracium taurinense subsp. odontinum (Arv.-Touv.) Zahn

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.5517/ccnsjdb
title: CCDC 619392: Experimental Crystal Structure Determination

description: Related Article: A.-L.Perez-Castorena, A.Arciniegas, S.L.Guzman, J.L.Villasenor, A.R.de Vivar|2006|J.Nat.Prod.|69|1471|doi:10.1021/np060307x
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.
DOI: 10.15468/dl.2wtbth
title: Occurrence Download

description: A dataset containing 56 records in GBIF matching the query:
SELECT "year", COUNT(*) as RecordsCount 
 FROM occurrence
 WHERE "year" &gt;= 1970 
 AND level0gid = 'MAR'
 AND countrycode = 'MA'
 AND (kingdom = 'Plantae' OR kingdom = 'Animalia') 
 AND (basisOfRecord = 'OBSERVATION' OR basisOfRecord = 'LIVING_SPECIMEN' OR basisOfRecord = 'MATERIAL_SAMPLE' OR basisOfRecord = 'HUMAN_OBSERVATION' OR basisOfRecord = 'MACHINE_OBSERVATION' OR basisOfRecord = 'OCCURRENCE')
 AND occurrenceStatus = 'PRESENT' 
 AND decimalLongitude IS NOT NULL 
 AND decimalLatitude IS NOT NULL
 AND NOT ARRAY_CONTAINS(issue, 'COORDINATE_INVALID') 
 AND NOT ARRAY_CONTAINS(issue, 'ZERO_COORDINATE') 
 AND NOT ARRAY_CONTAINS(issue, 'COORDINATE_OUT_OF_RANGE') 
 AND NOT ARRAY_CONTAINS(issue, 'COUNTRY_COORDINATE_MISMATCH') 
 GROUP BY "year"
 ORDER BY "year"

 The dataset's 56 records were derived from 101 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0028667-251009101135966/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.3535/085-dlr-pp0
title: Hieracium umbellatum var. umbellatum L.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.3535/1sq-1vs-t25
title: Cardamine flexuosa With.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.3535/dq8-00m-rbz
title: Hieracium dasytrichum subsp. mesomorphum (Nägeli & Peter) Zahn

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.5517/ccnsjgd
title: CCDC 619394: Experimental Crystal Structure Determination

description: Related Article: A.-L.Perez-Castorena, A.Arciniegas, S.L.Guzman, J.L.Villasenor, A.R.de Vivar|2006|J.Nat.Prod.|69|1471|doi:10.1021/np060307x
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.
DOI: 10.5517/ccnsjhf
title: CCDC 619395: Experimental Crystal Structure Determination

description: Related Article: A.-L.Perez-Castorena, A.Arciniegas, S.L.Guzman, J.L.Villasenor, A.R.de Vivar|2006|J.Nat.Prod.|69|1471|doi:10.1021/np060307x
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.
DOI: 10.3535/fcs-jmh-9y1
title: Aeschynomene indica L.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.3535/v4a-z5n-b3a
title: Veronica orientalis Mill.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.3535/wze-l36-r2p
title: Kengia polyphylla Packer

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.5517/ccnlyfl
title: CCDC 614030: Experimental Crystal Structure Determination

description: Related Article: A.K.Y.Lam, B.F.Abrahams, M.J.Grannas, W.D.McFadyen, R.A.J.O'Hair|2006|Dalton Trans.||5051|doi:10.1039/b609688c
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.
DOI: 10.5517/ccnlygm
title: CCDC 614031: Experimental Crystal Structure Determination

description: Related Article: A.K.Y.Lam, B.F.Abrahams, M.J.Grannas, W.D.McFadyen, R.A.J.O'Hair|2006|Dalton Trans.||5051|doi:10.1039/b609688c
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.
DOI: 10.3535/4c8-rg8-6nc
title: Cyperus L.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.3535/c78-vp5-mr9
title: Arenaria juncea M. Bieb.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.5517/ccngmvk
title: CCDC 609889: Experimental Crystal Structure Determination

description: Related Article: B.J.Al-Hourani, K.Banert, B.Walfort, H.Lang|2006|Anal.Sci.:X-Ray Struct.Anal.Online|22|x275|doi:10.2116/analscix.22.x275
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.
DOI: 10.5517/ccnmz07
title: CCDC 615009: Experimental Crystal Structure Determination

description: Related Article: M.G.Moloney, T.Panchal, R.Pike|2006|Org.Biomol.Chem.|4|3894|doi:10.1039/b611583g
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.
DOI: 10.3535/6q4-4d0-tpz
title: Myricaria bracteata Royle

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.3535/6yh-kmx-z2j
title: Corchoropsis crenata var. hupehensis Pamp.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.3535/ept-lb9-ac4
title: Berberis sibirica Pall.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.5517/cc71m51
title: CCDC 210092: Experimental Crystal Structure Determination

description: Related Article: Rong-Min Yu, Shao-Fang Lu, Jin Chen, Can-Zhong Lu, Zi-Xiang Huang|2006|Huaxue Xuebao|64|983|
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.
DOI: 10.3535/p5p-9vy-ntk
title: Silene sericea All.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.3535/trg-j66-spw
title: Eleocharis palustris (L.) Roem. & Schult.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.5517/cc71m62
title: CCDC 210093: Experimental Crystal Structure Determination

description: Related Article: Rong-Min Yu, Shao-Fang Lu, Jin Chen, Can-Zhong Lu, Zi-Xiang Huang|2006|Huaxue Xuebao|64|983|
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.
DOI: 10.5517/cc8pq8x
title: CCDC 259199: Experimental Crystal Structure Determination

description: Related Article: You-Ming Zhang, Li-Zi Yang, Qi Lin, Tai-Bao Wei|2006|Huaxue Xuebao|64|1200|
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.
DOI: 10.3535/mwh-hw5-xkf
title: Pulmonaria officinalis L.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.3535/zfc-1w5-k2q
title: Scrophularia variegata M. Bieb.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.5517/ccnbbt3
title: CCDC 605765: Experimental Crystal Structure Determination

description: Related Article: N.de Silva, J.W.Laufenberg, L.F.Dahl|2006|Chem.Commun.||4437|doi:10.1039/b609380a
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.
DOI: 10.3535/lbg-spm-m42
title: Cyperus L.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.3535/lsj-zpk-xn8
title: Paspalum orbiculare G. Forst.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.3535/ny8-60m-qdy
title: Astragalus paucijugus Schrenk

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.5517/ccnbbv4
title: CCDC 605766: Experimental Crystal Structure Determination

description: Related Article: N.de Silva, J.W.Laufenberg, L.F.Dahl|2006|Chem.Commun.||4437|doi:10.1039/b609380a
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.
DOI: 10.5517/ccnkrgd
title: CCDC 612884: Experimental Crystal Structure Determination

description: Related Article: T.Fujii, S.Yamaguchi, Y.Funahashi, T.Ozawa, T.Tosha, T.Kitagawa, H.Masuda|2006|Chem.Commun.||4428|doi:10.1039/b609673e
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.
DOI: 10.3535/5fq-3pr-s62
title: Paraixeris denticulata (Houtt.) Nakai

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.3535/8b6-c3g-wme
title: Glaux maritima L.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.5517/ccn6d4c
title: CCDC 601962: Experimental Crystal Structure Determination

description: Related Article: M.El Qacemi, L.Ricard, S.Z.Zard|2006|Chem.Commun.||4422|doi:10.1039/b609021d
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.
DOI: 10.5517/ccnkj4v
title: CCDC 612657: Experimental Crystal Structure Determination

description: Related Article: Ning-Yi Jiang, Song-Lin Li|2006|Wuji Huaxue Xuebao|22|1861|
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.
DOI: 10.3535/19f-aa4-5q1
title: Stegnogramma pozoi (Lag.) K. Iwats.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.3535/1at-s6s-ltm
title: Picris japonica Thunb.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.3535/72p-xnl-aqa
title: Isodon inflexus (Thunb.) Kudô

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.5517/cc9zf0p
title: CCDC 297352: Experimental Crystal Structure Determination

description: Related Article: Xi-Quan Che, Li-Bin Wang|2006|Wuji Huaxue Xuebao|22|1857|
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.
DOI: 10.3535/ake-t98-w1n
title: Salvia japonica Thunb.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.3535/wcr-900-bec
title: Hieracium glaucinum subsp. pallidifrons (Sudre) O. Bolòs & Vigo

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.3535/yed-smw-a1l
title: Rosmarinus officinalis L.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.5517/cc9rdyc
title: CCDC 290623: Experimental Crystal Structure Determination

description: Related Article: Hong-Yan Chen, Tong-Lai Zhang, Xiao-Jing Qiao, Li Yang, Jian-Guo Zhang, Kai-Bei Yu|2006|Wuji Huaxue Xuebao|22|1852|
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.
DOI: 10.5517/ccp4rsb
title: CCDC 630192: Experimental Crystal Structure Determination

description: Related Article: Wen-Bing Yuan, Hai-Yang Wang, Jin-Feng Du, Shang-Wen Chen, Qi Zhang|2006|Acta Crystallogr.,Sect.E:Struct.Rep.Online|62|m3504|doi:10.1107/S1600536806049932
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.
DOI: 10.3535/2mk-7md-dar
title: Hieracium racemosum subsp. virgaurea (Coss.) Zahn

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.3535/yck-v7v-2dq
title: Hieracium huetianum Arv.-Touv.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.5517/ccp4s2n
title: CCDC 630201: Experimental Crystal Structure Determination

description: Related Article: A.Johnston, A.J.Florence, P.Fernandes, N.Shankland, A.R.Kennedy|2006|Acta Crystallogr.,Sect.E:Struct.Rep.Online|62|o5361|doi:10.1107/S1600536806044369
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.
DOI: 10.5517/ccp4sh2
title: CCDC 630214: Experimental Crystal Structure Determination

description: Related Article: V.N.Sonar, M.Venkataraj, S.Parkin, P.A.Crooks|2006|Acta Crystallogr.,Sect.E:Struct.Rep.Online|62|o5869|doi:10.1107/S1600536806049403
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.
DOI: 10.3535/ggr-ceb-zsy
title: Dryopteris Adans.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.3535/k5r-d1q-b0t
title: Lomatogonium carinthiacum (Wulfen) Rchb.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.3535/v36-gs2-mpz
title: Hypericum ascyron L.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.5517/cc99bfb
title: CCDC 277091: Experimental Crystal Structure Determination

description: Related Article: R.Grigg, S.McCaffrey, V.Sridharan, C.W.G.Fishwick, C.Kilner, S.Korn, K.Bailey, J.Blacker|2006|Tetrahedron|62|12159|doi:10.1016/j.tet.2006.09.098
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.
DOI: 10.5517/ccnm019
title: CCDC 614080: Experimental Crystal Structure Determination

description: Related Article: B.R.Buckley, P.C.B.Page, Yohan Chan, H.Heaney, M.Klaes, M.J.McIldowie, V.McKee, J.Mattay, M.Mocerino, E.Moreno, B.W.Skelton, A.H.White|2006|Eur.J.Org.Chem.|2006|5135|doi:10.1002/ejoc.200600591
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.
DOI: 10.3535/557-kc2-kyd
title: Cornus controversa Hemsl.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.3535/mpv-h96-5g6
title: Artemisia arborescens (Vaill.) L.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.5517/ccnr2t8
title: CCDC 618010: Experimental Crystal Structure Determination

description: Related Article: I.Kalf, M.Braun, Yutian Wang, U.Englert|2006|CrystEngComm|8|916|doi:10.1039/b612027j
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.
DOI: 10.3535/7w4-ye9-a80
title: Ammannia L.

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.3535/b1j-9qw-xh8
title: Maianthemum bifolium (L.) F. W. Schmidt

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.3535/ysz-jb4-vjd
title: Centaurium erythraea Rafn

description: Digital Specimen for the physical specimen hosted at Natural History Museum Vienna.
DOI: 10.5517/ccnl9vc
title: CCDC 613423: Experimental Crystal Structure Determination

description: Related Article: J.Baraut, A.Perrier, V.Comte, P.Richard, P.Le Gendre, C.Moise|2006|Tetrahedron Lett.|47|8319|doi:10.1016/j.tetlet.2006.09.077
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.