As of 2022-03-07, the Wikidata property L'Unificazione ID (P9981) is used on 375 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 350
0.0001
P7859 WorldCat Identities ID 347
0.0002
P1986 Biographical Dictionary of Italian People ID 339
0.0114
P213 ISNI 329
0.0002
P3365 Treccani ID 321
0.0129
P8034 Vatican Library VcBA ID 302
0.0028
P244 Library of Congress authority ID 296
0.0002
P4223 Treccani's Enciclopedia Italiana ID 290
0.0268
P396 SBN author ID 290
0.0051
P227 GND ID 281
0.0002
P2163 FAST ID 266
0.0006
P268 Bibliothèque nationale de France ID 264
0.0005
P3987 SHARE Catalogue author ID 246
0.0014
P1341 Italian Chamber of Deputies dati ID 239
0.0174
P269 IdRef ID 232
0.0004
P1871 CERL Thesaurus ID 227
0.0009
P7865 CoBiS author ID 223
0.0123
P3762 openMLOL author ID 216
0.0035
P648 Open Library ID 216
0.0008
P1017 Vatican Library ID (former scheme) 207
0.0034
P646 Freebase ID 207
0.0000
P3935 Chamber of Deputies of Italy storia ID 193
0.0175
P6706 De Agostini ID 192
0.0065
P1006 Nationale Thesaurus voor Auteurs ID 180
0.0004
P7902 Deutsche Biographie (GND) ID 165
0.0003
P1207 NUKAT ID 162
0.0003
P2671 Google Knowledge Graph ID 160
0.0000
P8947 Museo Galileo authority ID 143
0.0086
P3954 Italian Senate ID 141
0.0543
P6404 Treccani's Dizionario di Storia ID 127
0.0141
P950 Biblioteca Nacional de España ID 123
0.0006
P9507 NBM authority ID 122
0.0177
P8189 National Library of Israel J9U ID 119
0.0007
P7293 PLWABN ID 116
0.0003
P3430 SNAC ARK ID 96
0.0007
P3348 National Library of Greece ID 93
0.0027
P1280 CONOR.SI ID 92
0.0009
P1417 Encyclopædia Britannica Online ID 91
0.0005
P949 National Library of Israel ID 90
0.0012
P691 NKCR AUT ID 90
0.0002
P1296 Gran Enciclopèdia Catalana ID 87
0.0008
P3065 RERO ID 85
0.0012
P5731 Angelicum ID 82
0.0018
P8750 Unione Romana Biblioteche Scientifiche ID 80
0.0031
P1315 NLA Trove people ID 79
0.0008
P5019 Brockhaus Enzyklopädie online ID 78
0.0022
P7208 Liber Liber author ID 77
0.0441
P271 CiNii author ID (books) 77
0.0009
P9625 Dizionario Biografico dell'Educazione (1800–2000) ID 74
0.0498
P409 Libraries Australia ID 72
0.0011

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P3954 Italian Senate ID 141
0.0543
P9625 Dizionario Biografico dell'Educazione (1800–2000) ID 74
0.0498
P7208 Liber Liber author ID 77
0.0441
P9791 ASE person ID 45
0.0440
P8219 ASUT ID 54
0.0393
P6873 IntraText author ID 55
0.0319
P4585 Accademia della Crusca ID 34
0.0313
P4223 Treccani's Enciclopedia Italiana ID 290
0.0268
P6715 SIUSA archive producer person ID 48
0.0182
P9507 NBM authority ID 122
0.0177
P3935 Chamber of Deputies of Italy storia ID 193
0.0175
P1341 Italian Chamber of Deputies dati ID 239
0.0174
P9110 Le Lettere di Theodor Mommsen agli Italiani ID 10
0.0149
P6404 Treccani's Dizionario di Storia ID 127
0.0141
P7331 Letteraturaitaliana.net author ID 6
0.0137
P7744 Mille Anni di Scienza in Italia ID 10
0.0133
P9178 Biblioteca Franco Serantini ID 53
0.0132
P3365 Treccani ID 321
0.0129
P7865 CoBiS author ID 223
0.0123
P8153 Accademia delle Scienze di Torino ID 39
0.0116
P1986 Biographical Dictionary of Italian People ID 339
0.0114
P10314 Archivio Biografico Comunale (Palermo) ID 11
0.0113
P9983 Enciclopedia dei ragazzi ID 5
0.0108
P7796 BeWeb person ID 47
0.0103
P7613 Biblioteche dei filosofi ID 6
0.0087
P8947 Museo Galileo authority ID 143
0.0086
P9036 I professori dell'Università di Pavia (1859-1961) ID 6
0.0080
P8950 Dizionario degli artisti ID 15
0.0072
P10031 Enciclopedia di Roma person ID 20
0.0070
P6706 De Agostini ID 192
0.0065
P8551 Opera Online composer ID 3
0.0065
P9842 MART catalog person ID 7
0.0065
P9734 Treccani's Enciclopedia Dantesca ID 3
0.0061
P9331 Storiaememoriadibologna ID 8
0.0060
P9098 BiblioLMC ID 5
0.0058
P8290 Archivio Storico Ricordi person ID 65
0.0056
P8793 Quirinale ID 17
0.0055
P9634 AADFI member ID 4
0.0053
P7993 Treccani's Dizionario di Filosofia ID 16
0.0053
P9502 Digital DISCI ID 3
0.0051
P396 SBN author ID 290
0.0051
P9164 Svenska Institutet i Rom ID 48
0.0051
P7822 Italian Vikidia ID 6
0.0049
P8975 Manus Online author ID 3
0.0049
P9522 Biblioteca di Santa Sabina ID 14
0.0048
P9199 Protagonisti della storia delle scienze della mente ID 3
0.0048
P7203 Dizionario biografico dei Friulani ID 7
0.0046
P9282 Catalogue of the Capitular Library of Verona author ID 17
0.0046
P7142 Poincaré Papers person ID 4
0.0043
P1150 Regensburg Classification 17
0.0043