As of 2022-03-07, the Wikidata property INAPP author ID (P9871) is used on 600 items as main value on statements (not counting qualifiers) of the Q and P namespaces.

Closest properties: by cardinality of intersection, by Jaccard index.

Display properties of the following types:                                    

Closest properties by cardinality of intersection

IDLabelIntersection cardinalityJaccard index
P214 VIAF ID 533
 0.0002
P7859 WorldCat Identities ID 515
 0.0003
P244 Library of Congress authority ID 488
 0.0004
P213 ISNI 487
 0.0003
P3987 SHARE Catalogue author ID 469
 0.0027
P269 IdRef ID 421
 0.0008
P268 Bibliothèque nationale de France ID 375
 0.0006
P227 GND ID 352
 0.0003
P396 SBN author ID 322
 0.0057
P1207 NUKAT ID 308
 0.0006
P1006 Nationale Thesaurus voor Auteurs ID 281
 0.0005
P3065 RERO ID 234
 0.0032
P8189 National Library of Israel J9U ID 220
 0.0013
P271 CiNii author ID (books) 201
 0.0023
P1280 CONOR.SI ID 197
 0.0019
P950 Biblioteca Nacional de España ID 195
 0.0010
P5739 Pontificia Università della Santa Croce ID 193
 0.0033
P8034 Vatican Library VcBA ID 178
 0.0016
P691 NKCR AUT ID 178
 0.0004
P5731 Angelicum ID 176
 0.0038
P646 Freebase ID 174
 0.0000
P7293 PLWABN ID 166
 0.0005
P7865 CoBiS author ID 163
 0.0089
P1015 NORAF ID 156
 0.0010
P8179 Canadiana Name Authority ID 138
 0.0025
P2163 FAST ID 138
 0.0003
P2671 Google Knowledge Graph ID 126
 0.0000
P1580 University of Barcelona authority ID (obsolete) 119
 0.0020
P1315 NLA Trove people ID 118
 0.0011
P9984 CANTIC ID 106
 0.0019
P409 Libraries Australia ID 102
 0.0015
P9178 Biblioteca Franco Serantini ID 100
 0.0239
P1005 Portuguese National Library ID 96
 0.0018
P1017 Vatican Library ID (former scheme) 94
 0.0015
P648 Open Library ID 94
 0.0003
P8750 Unione Romana Biblioteche Scientifiche ID 93
 0.0036
P1273 CANTIC ID (old) 93
 0.0017
P7902 Deutsche Biographie (GND) ID 88
 0.0001
P1607 Dialnet author ID 85
 0.0052
P3365 Treccani ID 84
 0.0033
P3762 openMLOL author ID 83
 0.0013
P1375 NSK ID 81
 0.0038
P349 National Diet Library ID 79
 0.0006
P6634 LinkedIn personal profile ID 76
 0.0015
P7699 National Library of Lithuania ID 73
 0.0027
P2732 Persée author ID 73
 0.0019
P1368 LNB ID 67
 0.0014
P9097 American Academy in Rome ID 62
 0.0017
P1341 Italian Chamber of Deputies dati ID 60
 0.0042
P4521 Radio Radicale person ID 59
 0.0130

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P9796 IRIS SSSUP author ID 26
 0.0267
P4339 Radio Radicale organizer ID 21
 0.0245
P9178 Biblioteca Franco Serantini ID 100
 0.0239
P9085 Aracne author ID 34
 0.0194
P9791 ASE person ID 17
 0.0133
P9642 Olschki author ID 15
 0.0130
P4521 Radio Radicale person ID 59
 0.0130
P9646 senato.archivioluce.it person ID 12
 0.0120
P8848 CONOR.AL ID 17
 0.0116
P6677 OpenEdition Books author ID 22
 0.0109
P9880 Festivaletteratura person ID 20
 0.0106
P7613 Biblioteche dei filosofi ID 9
 0.0098
P2549 Italian Senate of the Republic ID 34
 0.0095
P7865 CoBiS author ID 163
 0.0089
P7796 BeWeb person ID 41
 0.0086
P9111 SISSCO ID 7
 0.0085
P6414 DIZIE ID 9
 0.0082
P9199 Protagonisti della storia delle scienze della mente ID 7
 0.0082
P2740 ResearchGate institute ID 9
 0.0082
P10021 UAE University Libraries ID 6
 0.0081
P6715 SIUSA archive producer person ID 23
 0.0080
P9795 ARPI author ID 23
 0.0074
P5441 Encyclopaedia Herder person ID 9
 0.0074
P9267 ANPI person numeric ID 15
 0.0073
P7744 Mille Anni di Scienza in Italia ID 7
 0.0071
P5242 ARWU university ID 10
 0.0071
P10147 U-PAD author ID 5
 0.0071
P8850 CONOR.KS ID 5
 0.0070
P8501 Gateway to Research organisation ID 6
 0.0069
P9625 Dizionario Biografico dell'Educazione (1800–2000) ID 12
 0.0068
P5584 QS World University ID 11
 0.0067
P5600 U-Multirank university ID 14
 0.0066
P9634 AADFI member ID 6
 0.0061
P8985 Dizionario bio-bibliografico dei bibliotecari italiani del XX secolo ID 8
 0.0059
P7993 Treccani's Dizionario di Filosofia ID 19
 0.0058
P6329 Share-VDE author ID 6
 0.0058
P9522 Biblioteca di Santa Sabina ID 18
 0.0057
P396 SBN author ID 322
 0.0057
P10351 Turin University student ID 7
 0.0055
P7700 Slovak National Library ID (VIAF) 16
 0.0053
P10227 National Library of Ireland ID 12
 0.0053
P9956 IRIS Sapienza author ID 24
 0.0052
P1607 Dialnet author ID 85
 0.0052
P863 InPhO ID 12
 0.0051
P9251 Cyprus University of Technology ID 23
 0.0049
P7208 Liber Liber author ID 10
 0.0049
P7026 Lebanese National Library ID 9
 0.0048
P9164 Svenska Institutet i Rom ID 45
 0.0047
P5586 Times Higher Education World University ID 14
 0.0047
P4619 National Library of Brazil ID 57
 0.0046