As of 2022-03-07, the Wikidata property Openpolis ID (P1229) is used on 2,665 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
P2671 Google Knowledge Graph ID 2,124
 0.0003
P4521 Radio Radicale person ID 1,887
 0.3938
P1341 Italian Chamber of Deputies dati ID 1,836
 0.1269
P3935 Chamber of Deputies of Italy storia ID 1,195
 0.0969
P2549 Italian Senate of the Republic ID 897
 0.1874
P214 VIAF ID 570
 0.0002
P7859 WorldCat Identities ID 528
 0.0003
P2002 Twitter username 498
 0.0016
P2013 Facebook ID 444
 0.0019
P213 ISNI 396
 0.0003
P244 Library of Congress authority ID 390
 0.0003
P646 Freebase ID 377
 0.0001
P396 SBN author ID 347
 0.0059
P3987 SHARE Catalogue author ID 275
 0.0016
P269 IdRef ID 259
 0.0005
P227 GND ID 240
 0.0002
P8648 Ministry of the Interior of Italy ID 225
 0.0681
P3365 Treccani ID 194
 0.0071
P1186 MEP directory ID 191
 0.0288
P268 Bibliothèque nationale de France ID 175
 0.0003
P7865 CoBiS author ID 159
 0.0078
P1331 PACE member ID 139
 0.0145
P2003 Instagram username 115
 0.0007
P1207 NUKAT ID 112
 0.0002
P2163 FAST ID 99
 0.0002
P1006 Nationale Thesaurus voor Auteurs ID 95
 0.0002
P5739 Pontificia Università della Santa Croce ID 85
 0.0014
P3368 Prabook ID 70
 0.0003
P7293 PLWABN ID 65
 0.0002
P5731 Angelicum ID 62
 0.0013
P3762 openMLOL author ID 62
 0.0010
P1284 Munzinger person ID 61
 0.0018
P1280 CONOR.SI ID 56
 0.0005
P691 NKCR AUT ID 53
 0.0001
P9085 Aracne author ID 51
 0.0134
P345 IMDb ID 48
 0.0001
P1741 GTAA ID 43
 0.0010
P4342 Store norske leksikon ID 40
 0.0005
P950 Biblioteca Nacional de España ID 39
 0.0002
P8034 Vatican Library VcBA ID 38
 0.0003
P8189 National Library of Israel J9U ID 36
 0.0002
P648 Open Library ID 36
 0.0001
P2397 YouTube channel ID 35
 0.0005
P1015 NORAF ID 35
 0.0002
P7902 Deutsche Biographie (GND) ID 35
 0.0001
P3065 RERO ID 31
 0.0004
P9646 senato.archivioluce.it person ID 29
 0.0095
P4223 Treccani's Enciclopedia Italiana ID 26
 0.0019
P5019 Brockhaus Enzyklopädie online ID 26
 0.0007
P271 CiNii author ID (books) 26
 0.0003

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P4521 Radio Radicale person ID 1,887
 0.3938
P2549 Italian Senate of the Republic ID 897
 0.1874
P1341 Italian Chamber of Deputies dati ID 1,836
 0.1269
P3935 Chamber of Deputies of Italy storia ID 1,195
 0.0969
P8648 Ministry of the Interior of Italy ID 225
 0.0681
P1186 MEP directory ID 191
 0.0288
P1331 PACE member ID 139
 0.0145
P9085 Aracne author ID 51
 0.0134
P9646 senato.archivioluce.it person ID 29
 0.0095
P7865 CoBiS author ID 159
 0.0078
P3365 Treccani ID 194
 0.0071
P8666 Regional Council of Tuscany ID 17
 0.0060
P396 SBN author ID 347
 0.0059
P9871 INAPP author ID 13
 0.0040
P6414 DIZIE ID 11
 0.0035
P9880 Festivaletteratura person ID 11
 0.0028
P9178 Biblioteca Franco Serantini ID 17
 0.0027
P8793 Quirinale ID 14
 0.0026
P10351 Turin University student ID 8
 0.0024
P6488 Enciclopedia delle donne ID 9
 0.0022
P4223 Treccani's Enciclopedia Italiana ID 26
 0.0019
P2013 Facebook ID 444
 0.0019
P1284 Munzinger person ID 61
 0.0018
P7796 BeWeb person ID 12
 0.0017
P9267 ANPI person numeric ID 7
 0.0017
P6917 Historical Archives of the European Union ID 5
 0.0017
P9634 AADFI member ID 5
 0.0016
P3987 SHARE Catalogue author ID 275
 0.0016
P2002 Twitter username 498
 0.0016
P5739 Pontificia Università della Santa Croce ID 85
 0.0014
P4069 Italian National Olympic Committee athlete ID 5
 0.0013
P5731 Angelicum ID 62
 0.0013
P3479 Omni topic ID 4
 0.0011
P9956 IRIS Sapienza author ID 7
 0.0011
P9775 Treccani's Lessico del XXI Secolo ID 3
 0.0010
P1741 GTAA ID 43
 0.0010
P9134 Studio di Fonologia Musicale RAI person ID 3
 0.0010
P1749 Parlement.com ID 9
 0.0010
P3762 openMLOL author ID 62
 0.0010
P2847 Google+ ID 8
 0.0009
P1607 Dialnet author ID 17
 0.0009
P8349 Proleksis enciklopedija ID 13
 0.0009
P4585 Accademia della Crusca ID 3
 0.0009
P8081 WBIS ID 10
 0.0008
P3846 DBC author ID 7
 0.0008
P8750 Unione Romana Biblioteche Scientifiche ID 23
 0.0008
P6081 RIA Novosti reference 3
 0.0008
P10242 Lur Encyclopedic Dictionary ID 13
 0.0008
P6404 Treccani's Dizionario di Storia ID 9
 0.0008
P2191 Vegetti Catalog of Fantastic Literature NILF ID 7
 0.0008