As of 2019-10-07, the Wikidata property Library of Congress authority ID (P244) is used on 1,106,489 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 876,585
0.5259
P213 ISNI 780,117
0.5560
P227 GND ID 453,234
0.3144
P269 SUDOC authorities ID 370,849
0.3184
P268 Bibliothèque nationale de France ID 348,929
0.2870
P1006 NTA ID 345,274
0.2999
P2163 FAST ID 300,664
0.2717
P646 Freebase ID 271,984
0.1294
P691 NKCR AUT ID 199,756
0.1722
P648 Open Library ID 137,559
0.1171
P1207 NUKAT ID 132,255
0.1174
P3430 SNAC Ark ID 122,819
0.1103
P345 IMDb ID 122,531
0.0742
P950 Biblioteca Nacional de España ID 117,545
0.1037
P1015 BIBSYS ID 103,242
0.0922
P434 MusicBrainz artist ID 84,103
0.0688
P1871 CERL ID 77,182
0.0647
P1566 GeoNames ID 76,498
0.0163
P349 National Diet Library Auth ID 70,636
0.0615
P3987 SHARE Catalogue author ID 69,241
0.0623
P1417 Encyclopædia Britannica Online ID 69,000
0.0575
P949 National Library of Israel identifier 65,151
0.0587
P1315 National Library of Australia ID 61,664
0.0553
P1953 Discogs artist ID 57,601
0.0482
P1280 CONOR ID 56,794
0.0506
P3417 Quora topic ID 53,562
0.0435
P906 SELIBR ID 52,588
0.0470
P6766 Who's on First ID 51,331
0.0352
P2604 Kinopoisk person ID 49,824
0.0431
P5587 Libris-URI 48,610
0.0434
P245 ULAN ID 47,223
0.0414
P1017 BAV ID 44,316
0.0398
P2019 AllMovie person ID 43,681
0.0386
P409 Libraries Australia ID 40,742
0.0368
P1266 AlloCiné person ID 40,742
0.0359
P1296 Gran Enciclopèdia Catalana ID 40,277
0.0345
P1273 CANTIC ID 39,828
0.0359
P2605 ČSFD person ID 38,505
0.0340
P650 RKDartists ID 38,283
0.0334
P1415 Oxford Dictionary of National Biography ID 37,747
0.0334
P2435 PORT person ID 37,329
0.0331
P2002 Twitter username 36,429
0.0289
P2949 WikiTree person ID 35,697
0.0313
P2168 Swedish Film Database person ID 34,235
0.0305
P5361 BNB person ID 33,033
0.0298
P535 Find A Grave memorial ID 32,786
0.0290
P3762 openMLOL author ID 31,839
0.0287
P1263 NNDB people ID 29,785
0.0268
P3782 Artnet artist ID 28,432
0.0251
P3478 Songkick artist ID 26,860
0.0235

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P213 ISNI 780,117
0.5560
P214 VIAF ID 876,585
0.5259
P269 SUDOC authorities ID 370,849
0.3184
P227 GND ID 453,234
0.3144
P1006 NTA ID 345,274
0.2999
P268 Bibliothèque nationale de France ID 348,929
0.2870
P2163 FAST ID 300,664
0.2717
P691 NKCR AUT ID 199,756
0.1722
P646 Freebase ID 271,984
0.1294
P1207 NUKAT ID 132,255
0.1174
P648 Open Library ID 137,559
0.1171
P3430 SNAC Ark ID 122,819
0.1103
P950 Biblioteca Nacional de España ID 117,545
0.1037
P1015 BIBSYS ID 103,242
0.0922
P345 IMDb ID 122,531
0.0742
P434 MusicBrainz artist ID 84,103
0.0688
P1871 CERL ID 77,182
0.0647
P3987 SHARE Catalogue author ID 69,241
0.0623
P349 National Diet Library Auth ID 70,636
0.0615
P949 National Library of Israel identifier 65,151
0.0587
P1417 Encyclopædia Britannica Online ID 69,000
0.0575
P1315 National Library of Australia ID 61,664
0.0553
P1280 CONOR ID 56,794
0.0506
P1953 Discogs artist ID 57,601
0.0482
P906 SELIBR ID 52,588
0.0470
P3417 Quora topic ID 53,562
0.0435
P5587 Libris-URI 48,610
0.0434
P2604 Kinopoisk person ID 49,824
0.0431
P245 ULAN ID 47,223
0.0414
P1017 BAV ID 44,316
0.0398
P2019 AllMovie person ID 43,681
0.0386
P409 Libraries Australia ID 40,742
0.0368
P1266 AlloCiné person ID 40,742
0.0359
P1273 CANTIC ID 39,828
0.0359
P6766 Who's on First ID 51,331
0.0352
P1296 Gran Enciclopèdia Catalana ID 40,277
0.0345
P2605 ČSFD person ID 38,505
0.0340
P1415 Oxford Dictionary of National Biography ID 37,747
0.0334
P650 RKDartists ID 38,283
0.0334
P2435 PORT person ID 37,329
0.0331
P2949 WikiTree person ID 35,697
0.0313
P2168 Swedish Film Database person ID 34,235
0.0305
P5361 BNB person ID 33,033
0.0298
P535 Find A Grave memorial ID 32,786
0.0290
P2002 Twitter username 36,429
0.0289
P3762 openMLOL author ID 31,839
0.0287
P1263 NNDB people ID 29,785
0.0268
P3782 Artnet artist ID 28,432
0.0251
P3478 Songkick artist ID 26,860
0.0235
P2387 Elonet person ID 26,093
0.0234