As of 2022-03-07, the Wikidata property CPDOC ID (P4660) is used on 517 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 431
0.0001
P7480 Brazilian federal deputy ID 330
0.0812
P214 VIAF ID 226
0.0001
P7859 WorldCat Identities ID 166
0.0001
P244 Library of Congress authority ID 139
0.0001
P213 ISNI 117
0.0001
P2163 FAST ID 67
0.0002
P646 Freebase ID 61
0.0000
P227 GND ID 56
0.0000
P1006 Nationale Thesaurus voor Auteurs ID 51
0.0001
P269 IdRef ID 45
0.0001
P268 Bibliothèque nationale de France ID 33
0.0001
P4619 National Library of Brazil ID 31
0.0025
P1005 Portuguese National Library ID 28
0.0005
P1207 NUKAT ID 23
0.0000
P648 Open Library ID 19
0.0001
P1417 Encyclopædia Britannica Online ID 18
0.0001
P950 Biblioteca Nacional de España ID 18
0.0001
P2002 Twitter username 18
0.0001
P1284 Munzinger person ID 17
0.0005
P8189 National Library of Israel J9U ID 17
0.0001
P2013 Facebook ID 16
0.0001
P1473 BLPL author ID 14
0.0044
P7293 PLWABN ID 14
0.0000
P2003 Instagram username 13
0.0001
P1741 GTAA ID 12
0.0003
P691 NKCR AUT ID 12
0.0000
P345 IMDb ID 12
0.0000
P4399 Itaú Cultural ID 11
0.0018
P4342 Store norske leksikon ID 11
0.0001
P3987 SHARE Catalogue author ID 11
0.0001
P5527 Academia Brasileira de Letras ID 10
0.0125
P7305 Online PWN Encyclopedia ID 10
0.0003
P3430 SNAC ARK ID 10
0.0001
P3368 Prabook ID 10
0.0000
P7902 Deutsche Biographie (GND) ID 10
0.0000
P8313 Den Store Danske ID 9
0.0003
P5019 Brockhaus Enzyklopädie online ID 9
0.0002
P3222 NE.se ID 9
0.0002
P1695 NLP ID (unique) 9
0.0002
P949 National Library of Israel ID 9
0.0001
P10242 Lur Encyclopedic Dictionary ID 8
0.0006
P271 CiNii author ID (books) 8
0.0001
P1296 Gran Enciclopèdia Catalana ID 8
0.0001
P3417 Quora topic ID 8
0.0000
P4985 TMDb person ID 8
0.0000
P10023 Museu da Pessoa person ID 7
0.0006
P4293 PM20 folder ID 7
0.0002
P7666 Visuotinė lietuvių enciklopedija ID 6
0.0003
P7982 Hrvatska enciklopedija ID 6
0.0002

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P7480 Brazilian federal deputy ID 330
0.0812
P5527 Academia Brasileira de Letras ID 10
0.0125
P1473 BLPL author ID 14
0.0044
P4694 Arquivo Arq ID 2
0.0027
P4619 National Library of Brazil ID 31
0.0025
P6674 Desaparecidos Políticos ID 2
0.0022
P6673 Memórias da Ditadura ID 2
0.0021
P4399 Itaú Cultural ID 11
0.0018
P5691 BND ID 1
0.0017
P3183 Wall Street Journal topic ID 1
0.0016
P6690 CNV-SP ID 1
0.0015
P6667 MARGS ID 1
0.0014
P3479 Omni topic ID 2
0.0014
P6692 CEMDP ID 1
0.0012
P9368 CNA topic ID 1
0.0011
P8992 1914-1918-Online ID 1
0.0011
P9634 AADFI member ID 1
0.0011
P1617 BBC Things ID 2
0.0011
P3509 Dagens Nyheter topic ID 2
0.0010
P9231 Archivo Linz de la Transición Española ID 1
0.0009
P3106 Guardian topic ID 2
0.0008
P3267 Flickr user ID 2
0.0008
P5374 Académie des sciences d'outre-mer member ID 1
0.0008
P6907 BVLarramendi ID 1
0.0007
P6849 DR topic ID 1
0.0007
P9426 Generals of World War II ID 5
0.0007
P5745 Pacific Coast Architecture Database person ID 1
0.0007
P3221 New York Times topic ID 2
0.0007
P8793 Quirinale ID 2
0.0006
P10023 Museu da Pessoa person ID 7
0.0006
P5306 LONSEA ID 1
0.0006
P10242 Lur Encyclopedic Dictionary ID 8
0.0006
P1284 Munzinger person ID 17
0.0005
P1005 Portuguese National Library ID 28
0.0005
P6488 Enciclopedia delle donne ID 1
0.0005
P3388 LittleSis people ID 2
0.0005
P2194 PSS-archi architect ID 1
0.0005
P2190 C-SPAN person ID 3
0.0005
P6385 Krugosvet article 3
0.0005
P7578 DUC ID 4
0.0005
P8081 WBIS ID 4
0.0004
P4431 Google Doodle 1
0.0004
P5337 Google News topics ID 2
0.0004
P7445 Basis Wien person ID 1
0.0004
P3789 Telegram username 1
0.0003
P7666 Visuotinė lietuvių enciklopedija ID 6
0.0003
P6404 Treccani's Dizionario di Storia ID 3
0.0003
P4534 EUTA person ID 1
0.0003
P8349 Proleksis enciklopedija ID 4
0.0003
P2418 Structurae person ID 1
0.0003