As of 2019-07-08, the Wikidata property Library of Congress authority ID (P244) is used on 1,097,085 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 865,257
0.5264
P213 ISNI 774,354
0.5583
P227 GND ID 445,444
0.3128
P269 SUDOC authorities ID 366,468
0.3176
P268 BnF ID 345,162
0.2866
P1006 National Thesaurus for Author Names ID 343,358
0.3008
P2163 FAST ID 298,372
0.2719
P646 Freebase ID 270,683
0.1293
P691 NKCR AUT ID 194,754
0.1704
P648 Open Library ID 135,689
0.1165
P1207 NUKAT (WarsawU) authorities ID 128,315
0.1149
P3430 SNAC Ark ID 122,531
0.1110
P950 BNE ID 116,253
0.1035
P345 IMDb ID 110,236
0.0688
P1015 BIBSYS ID 100,255
0.0903
P434 MusicBrainz artist ID 80,483
0.0669
P1871 CERL ID 76,994
0.0651
P1566 GeoNames ID 76,260
0.0163
P349 NDL Auth ID 70,138
0.0616
P3987 SHARE Catalogue author ID 69,166
0.0628
P1417 Encyclopædia Britannica Online ID 68,205
0.0573
P949 National Library of Israel ID 61,325
0.0557
P1315 NLA Persistent Identifier 59,615
0.0539
P1280 CONOR ID 54,899
0.0494
P3417 Quora topic ID 53,163
0.0435
P906 SELIBR ID 52,239
0.0471
P2604 Kinopoisk person ID 49,729
0.0434
P5587 Libris-URI 48,584
0.0438
P1953 Discogs artist ID 47,947
0.0417
P245 ULAN ID 46,805
0.0415
P1017 BAV ID 43,608
0.0395
P2019 AllMovie artist ID 43,599
0.0389
P1266 AlloCiné person ID 40,590
0.0361
P1273 CANTIC ID 39,456
0.0358
P409 Libraries Australia ID 38,457
0.0350
P650 RKDartists ID 38,124
0.0335
P1415 Oxford Dictionary of National Biography ID 37,733
0.0337
P2435 PORT person ID 37,288
0.0333
P2605 ČSFD person ID 37,260
0.0333
P2002 Twitter username 34,893
0.0285
P2168 Swedish Film Database person ID 34,219
0.0307
P2949 WikiTree person ID 33,363
0.0296
P5361 BNB person ID 32,769
0.0299
P3762 openMLOL author ID 31,812
0.0289
P535 Find A Grave memorial ID 31,778
0.0283
P1263 NNDB people ID 29,759
0.0270
P3782 Artnet artist ID 28,129
0.0250
P3478 Songkick artist ID 26,385
0.0233
P2387 Elonet person ID 26,049
0.0235
P1695 NLP ID 25,292
0.0229

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P213 ISNI 774,354
0.5583
P214 VIAF ID 865,257
0.5264
P269 SUDOC authorities ID 366,468
0.3176
P227 GND ID 445,444
0.3128
P1006 National Thesaurus for Author Names ID 343,358
0.3008
P268 BnF ID 345,162
0.2866
P2163 FAST ID 298,372
0.2719
P691 NKCR AUT ID 194,754
0.1704
P646 Freebase ID 270,683
0.1293
P648 Open Library ID 135,689
0.1165
P1207 NUKAT (WarsawU) authorities ID 128,315
0.1149
P3430 SNAC Ark ID 122,531
0.1110
P950 BNE ID 116,253
0.1035
P1015 BIBSYS ID 100,255
0.0903
P345 IMDb ID 110,236
0.0688
P434 MusicBrainz artist ID 80,483
0.0669
P1871 CERL ID 76,994
0.0651
P3987 SHARE Catalogue author ID 69,166
0.0628
P349 NDL Auth ID 70,138
0.0616
P1417 Encyclopædia Britannica Online ID 68,205
0.0573
P949 National Library of Israel ID 61,325
0.0557
P1315 NLA Persistent Identifier 59,615
0.0539
P1280 CONOR ID 54,899
0.0494
P906 SELIBR ID 52,239
0.0471
P5587 Libris-URI 48,584
0.0438
P3417 Quora topic ID 53,163
0.0435
P2604 Kinopoisk person ID 49,729
0.0434
P1953 Discogs artist ID 47,947
0.0417
P245 ULAN ID 46,805
0.0415
P1017 BAV ID 43,608
0.0395
P2019 AllMovie artist ID 43,599
0.0389
P1266 AlloCiné person ID 40,590
0.0361
P1273 CANTIC ID 39,456
0.0358
P409 Libraries Australia ID 38,457
0.0350
P1415 Oxford Dictionary of National Biography ID 37,733
0.0337
P650 RKDartists ID 38,124
0.0335
P2435 PORT person ID 37,288
0.0333
P2605 ČSFD person ID 37,260
0.0333
P2168 Swedish Film Database person ID 34,219
0.0307
P5361 BNB person ID 32,769
0.0299
P2949 WikiTree person ID 33,363
0.0296
P3762 openMLOL author ID 31,812
0.0289
P2002 Twitter username 34,893
0.0285
P535 Find A Grave memorial ID 31,778
0.0283
P1263 NNDB people ID 29,759
0.0270
P3782 Artnet artist ID 28,129
0.0250
P2387 Elonet person ID 26,049
0.0235
P3478 Songkick artist ID 26,385
0.0233
P1695 NLP ID 25,292
0.0229
P2924 Great Russian Encyclopedia Online ID 24,899
0.0223