As of 2019-11-04, the Wikidata property CERL ID (P1871) is used on 164,329 items.

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

Display properties of the following types:                                    

Closest properties by cardinality of intersection

IDLabelIntersection cardinalityJaccard index
P227 GND ID 163,765
0.2060
P214 VIAF ID 159,598
0.1100
P213 ISNI 113,248
0.1001
P244 Library of Congress authority ID 77,407
0.0647
P1006 NTA ID 53,308
0.1062
P269 SUDOC authorities ID 50,005
0.0916
P2163 FAST ID 46,928
0.1120
P268 Bibliothèque nationale de France ID 44,220
0.0761
P648 Open Library ID 39,902
0.1202
P646 Freebase ID 35,957
0.0257
P691 NKCR AUT ID 30,580
0.0771
P3430 SNAC Ark ID 20,777
0.0760
P950 Biblioteca Nacional de España ID 18,375
0.0631
P1207 NUKAT ID 18,285
0.0611
P1017 BAV ID 18,068
0.0912
P245 ULAN ID 16,083
0.0701
P1315 NLA Trove ID 14,936
0.0677
P3762 openMLOL author ID 14,809
0.0805
P906 SELIBR ID 14,745
0.0684
P1417 Encyclopædia Britannica Online ID 14,630
0.0468
P5587 Libris-URI 14,214
0.0672
P1711 British Museum person-institution 13,373
0.0735
P949 National Library of Israel identifier 12,979
0.0588
P1415 Oxford Dictionary of National Biography ID 12,977
0.0611
P650 RKDartists ID 12,469
0.0539
P2843 Benezit ID 11,077
0.0552
P2949 WikiTree person 10,892
0.0477
P1015 BIBSYS ID 9,492
0.0349
P3987 SHARE Catalogue author ID 8,962
0.0388
P1296 Gran Enciclopèdia Catalana ID 8,673
0.0337
P409 Libraries Australia ID 8,583
0.0432
P3782 Artnet artist ID 8,500
0.0402
P1986 Dizionario biografico degli italiani Identifier 8,056
0.0449
P1273 CANTIC ID 7,315
0.0364
P1280 CONOR ID 7,293
0.0317
P1816 National Portrait Gallery (London) person ID 7,281
0.0372
P4159 WeRelate person ID 7,176
0.0395
P3029 UK National Archives ID 7,121
0.0376
P4927 Invaluable.com person ID 6,586
0.0328
P2924 Great Russian Encyclopedia Online ID 5,961
0.0293
P3222 NE.se ID 5,927
0.0310
P4638 The Peerage person ID 5,900
0.0317
P3219 Encyclopædia Universalis ID 5,751
0.0301
P6194 Austrian Biographical Encylopedia ID 5,594
0.0318
P1005 Portuguese National Library ID 5,456
0.0302
P434 MusicBrainz artist ID 5,399
0.0150
P396 SBN author ID 5,118
0.0268
P839 IMSLP ID 4,995
0.0289
P3348 National Library of Greece ID 4,992
0.0286
P1802 EMLO person ID 4,849
0.0290

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P227 GND ID 163,765
0.2060
P648 Open Library ID 39,902
0.1202
P2163 FAST ID 46,928
0.1120
P214 VIAF ID 159,598
0.1100
P1006 NTA ID 53,308
0.1062
P213 ISNI 113,248
0.1001
P269 SUDOC authorities ID 50,005
0.0916
P1017 BAV ID 18,068
0.0912
P3762 openMLOL author ID 14,809
0.0805
P691 NKCR AUT ID 30,580
0.0771
P268 Bibliothèque nationale de France ID 44,220
0.0761
P3430 SNAC Ark ID 20,777
0.0760
P1711 British Museum person-institution 13,373
0.0735
P245 ULAN ID 16,083
0.0701
P906 SELIBR ID 14,745
0.0684
P1315 NLA Trove ID 14,936
0.0677
P5587 Libris-URI 14,214
0.0672
P244 Library of Congress authority ID 77,407
0.0647
P950 Biblioteca Nacional de España ID 18,375
0.0631
P1207 NUKAT ID 18,285
0.0611
P1415 Oxford Dictionary of National Biography ID 12,977
0.0611
P949 National Library of Israel identifier 12,979
0.0588
P2843 Benezit ID 11,077
0.0552
P650 RKDartists ID 12,469
0.0539
P2949 WikiTree person 10,892
0.0477
P1417 Encyclopædia Britannica Online ID 14,630
0.0468
P1986 Dizionario biografico degli italiani Identifier 8,056
0.0449
P409 Libraries Australia ID 8,583
0.0432
P3782 Artnet artist ID 8,500
0.0402
P4159 WeRelate person ID 7,176
0.0395
P3987 SHARE Catalogue author ID 8,962
0.0388
P3029 UK National Archives ID 7,121
0.0376
P1816 National Portrait Gallery (London) person ID 7,281
0.0372
P1273 CANTIC ID 7,315
0.0364
P1015 BIBSYS ID 9,492
0.0349
P1296 Gran Enciclopèdia Catalana ID 8,673
0.0337
P4927 Invaluable.com person ID 6,586
0.0328
P6194 Austrian Biographical Encylopedia ID 5,594
0.0318
P1280 CONOR ID 7,293
0.0317
P4638 The Peerage person ID 5,900
0.0317
P3222 NE.se ID 5,927
0.0310
P1005 Portuguese National Library ID 5,456
0.0302
P3219 Encyclopædia Universalis ID 5,751
0.0301
P2924 Great Russian Encyclopedia Online ID 5,961
0.0293
P1802 EMLO person ID 4,849
0.0290
P2977 LBT person ID 4,844
0.0290
P839 IMSLP ID 4,995
0.0289
P3348 National Library of Greece ID 4,992
0.0286
P396 SBN author ID 5,118
0.0268
P646 Freebase ID 35,957
0.0257