As of 2019-11-04, the Wikidata property Library of Congress authority ID (P244) is used on 1,110,135 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
P214 VIAF ID 880,505
0.5254
P213 ISNI 782,304
0.5557
P227 GND ID 455,716
0.3146
P269 SUDOC authorities ID 372,271
0.3184
P268 Bibliothèque nationale de France ID 350,320
0.2870
P1006 NTA ID 345,875
0.2994
P2163 FAST ID 301,442
0.2715
P646 Freebase ID 272,582
0.1294
P691 NKCR AUT ID 205,210
0.1758
P648 Open Library ID 138,872
0.1178
P1207 NUKAT ID 133,367
0.1180
P345 IMDb ID 123,032
0.0742
P3430 SNAC Ark ID 122,859
0.1100
P950 Biblioteca Nacional de España ID 118,034
0.1038
P1015 BIBSYS ID 103,978
0.0925
P434 MusicBrainz artist ID 84,253
0.0687
P1871 CERL ID 77,407
0.0647
P1566 GeoNames ID 76,520
0.0163
P3987 SHARE Catalogue author ID 71,229
0.0639
P349 National Diet Library Auth ID 70,775
0.0614
P1417 Encyclopædia Britannica Online ID 69,217
0.0575
P949 National Library of Israel identifier 66,042
0.0593
P1315 NLA Trove ID 62,251
0.0556
P1953 Discogs artist ID 57,811
0.0482
P1280 CONOR ID 57,041
0.0507
P6766 Who's on First ID 55,832
0.0342
P3417 Quora topic ID 53,711
0.0435
P906 SELIBR ID 52,699
0.0469
P2604 Kinopoisk person ID 49,872
0.0430
P5587 Libris-URI 48,636
0.0433
P245 ULAN ID 47,788
0.0418
P1017 BAV ID 44,492
0.0398
P2019 AllMovie person ID 43,834
0.0386
P409 Libraries Australia ID 41,167
0.0370
P1266 AlloCiné person ID 40,791
0.0359
P1296 Gran Enciclopèdia Catalana ID 40,351
0.0344
P1273 CANTIC ID 39,958
0.0359
P2605 ČSFD person ID 38,634
0.0340
P650 RKDartists ID 38,314
0.0333
P1415 Oxford Dictionary of National Biography ID 37,756
0.0333
P2435 PORT person ID 37,360
0.0330
P2002 Twitter username 37,017
0.0296
P2949 WikiTree person 36,278
0.0316
P2168 Swedish Film Database person ID 34,248
0.0304
P5361 BNB person ID 33,148
0.0298
P535 Find A Grave memorial ID 32,939
0.0290
P3762 openMLOL author ID 31,850
0.0286
P1263 NNDB people ID 29,792
0.0267
P3782 Artnet artist ID 28,631
0.0252
P3478 Songkick artist ID 26,868
0.0234

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P213 ISNI 782,304
0.5557
P214 VIAF ID 880,505
0.5254
P269 SUDOC authorities ID 372,271
0.3184
P227 GND ID 455,716
0.3146
P1006 NTA ID 345,875
0.2994
P268 Bibliothèque nationale de France ID 350,320
0.2870
P2163 FAST ID 301,442
0.2715
P691 NKCR AUT ID 205,210
0.1758
P646 Freebase ID 272,582
0.1294
P1207 NUKAT ID 133,367
0.1180
P648 Open Library ID 138,872
0.1178
P3430 SNAC Ark ID 122,859
0.1100
P950 Biblioteca Nacional de España ID 118,034
0.1038
P1015 BIBSYS ID 103,978
0.0925
P345 IMDb ID 123,032
0.0742
P434 MusicBrainz artist ID 84,253
0.0687
P1871 CERL ID 77,407
0.0647
P3987 SHARE Catalogue author ID 71,229
0.0639
P349 National Diet Library Auth ID 70,775
0.0614
P949 National Library of Israel identifier 66,042
0.0593
P1417 Encyclopædia Britannica Online ID 69,217
0.0575
P1315 NLA Trove ID 62,251
0.0556
P1280 CONOR ID 57,041
0.0507
P1953 Discogs artist ID 57,811
0.0482
P906 SELIBR ID 52,699
0.0469
P3417 Quora topic ID 53,711
0.0435
P5587 Libris-URI 48,636
0.0433
P2604 Kinopoisk person ID 49,872
0.0430
P245 ULAN ID 47,788
0.0418
P1017 BAV ID 44,492
0.0398
P2019 AllMovie person ID 43,834
0.0386
P409 Libraries Australia ID 41,167
0.0370
P1273 CANTIC ID 39,958
0.0359
P1266 AlloCiné person ID 40,791
0.0359
P1296 Gran Enciclopèdia Catalana ID 40,351
0.0344
P6766 Who's on First ID 55,832
0.0342
P2605 ČSFD person ID 38,634
0.0340
P1415 Oxford Dictionary of National Biography ID 37,756
0.0333
P650 RKDartists ID 38,314
0.0333
P2435 PORT person ID 37,360
0.0330
P2949 WikiTree person 36,278
0.0316
P2168 Swedish Film Database person ID 34,248
0.0304
P5361 BNB person ID 33,148
0.0298
P2002 Twitter username 37,017
0.0296
P535 Find A Grave memorial ID 32,939
0.0290
P3762 openMLOL author ID 31,850
0.0286
P1263 NNDB people ID 29,792
0.0267
P3782 Artnet artist ID 28,631
0.0252
P3478 Songkick artist ID 26,868
0.0234
P2387 Elonet person ID 26,107
0.0233