As of 2022-03-07, the Wikidata property NCpedia ID (P6284) is used on 1,953 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
P214 VIAF ID 1,592
 0.0006
P244 Library of Congress authority ID 1,574
 0.0012
P7859 WorldCat Identities ID 1,437
 0.0008
P646 Freebase ID 1,311
 0.0003
P2163 FAST ID 1,213
 0.0028
P3430 SNAC ARK ID 916
 0.0067
P535 Find a Grave memorial ID 821
 0.0070
P213 ISNI 801
 0.0006
P3368 Prabook ID 713
 0.0031
P648 Open Library ID 672
 0.0025
P2949 WikiTree person ID 630
 0.0026
P8462 Political Graveyard politician ID 436
 0.0222
P227 GND ID 424
 0.0003
P4823 American National Biography ID 414
 0.0198
P2600 Geni.com profile ID 392
 0.0016
P1157 US Congress Bio ID 387
 0.0268
P1006 Nationale Thesaurus voor Auteurs ID 269
 0.0005
P269 IdRef ID 211
 0.0004
P1225 U.S. National Archives Identifier 205
 0.0003
P1207 NUKAT ID 190
 0.0004
P268 Bibliothèque nationale de France ID 163
 0.0003
P2671 Google Knowledge Graph ID 142
 0.0000
P1315 NLA Trove people ID 135
 0.0013
P1417 Encyclopædia Britannica Online ID 133
 0.0008
P8189 National Library of Israel J9U ID 124
 0.0007
P1871 CERL Thesaurus ID 119
 0.0005
P4629 Online Books Page author ID 118
 0.0064
P691 NKCR AUT ID 110
 0.0002
P4839 Wolfram Language entity code 106
 0.0005
P1566 GeoNames ID 104
 0.0000
P8902 Archives at Yale names ID 103
 0.0059
P590 GNIS ID 103
 0.0002
P2390 Ballotpedia ID 102
 0.0080
P7471 iNaturalist place ID 102
 0.0019
P1263 NNDB people ID 101
 0.0026
P1667 Getty Thesaurus of Geographic Names ID 101
 0.0019
P402 OpenStreetMap relation ID 101
 0.0005
P882 FIPS 6-4 (US counties) 100
 0.0194
P8119 HASC 100
 0.0112
P5573 archINFORM location ID 100
 0.0024
P7293 PLWABN ID 98
 0.0003
P8143 SAR ancestor ID 86
 0.0208
P6766 Who's on First ID 83
 0.0001
P3762 openMLOL author ID 79
 0.0012
P7902 Deutsche Biographie (GND) ID 78
 0.0001
P949 National Library of Israel ID 77
 0.0010
P950 Biblioteca Nacional de España ID 73
 0.0004
P1015 NORAF ID 70
 0.0004
P1938 Project Gutenberg author ID 69
 0.0040
P4081 BHL creator ID 68
 0.0022

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P1157 US Congress Bio ID 387
 0.0268
P8462 Political Graveyard politician ID 436
 0.0222
P8143 SAR ancestor ID 86
 0.0208
P4823 American National Biography ID 414
 0.0198
P882 FIPS 6-4 (US counties) 100
 0.0194
P8119 HASC 100
 0.0112
P2390 Ballotpedia ID 102
 0.0080
P6723 BlackPast.org ID 43
 0.0080
P535 Find a Grave memorial ID 821
 0.0070
P7685 CALS Encyclopedia of Arkansas ID 23
 0.0067
P3430 SNAC ARK ID 916
 0.0067
P4629 Online Books Page author ID 118
 0.0064
P8902 Archives at Yale names ID 103
 0.0059
P6016 Tennessee Encyclopedia ID 15
 0.0058
P4903 New Georgia Encyclopedia ID 17
 0.0048
P2736 Biographical Directory of Federal Judges ID 23
 0.0047
P6015 Handbook of Texas ID 31
 0.0047
P4026 Cullum number 24
 0.0046
P4539 Collective Biographies of Women ID 24
 0.0045
P8730 National Park Service people ID 9
 0.0045
P1899 LibriVox author ID 37
 0.0045
P6362 Litchfield Ledger ID 12
 0.0043
P5981 Encyclopedia Virginia ID 11
 0.0041
P1938 Project Gutenberg author ID 69
 0.0040
P4375 North Carolina Sports Hall of Fame ID 8
 0.0038
P2734 Unz Review author ID 54
 0.0036
P4725 C-SPAN organization ID 9
 0.0035
P6010 Encyclopedia of Alabama ID 8
 0.0031
P3368 Prabook ID 713
 0.0031
P1935 Database of Classical Scholars ID 8
 0.0029
P2163 FAST ID 1,213
 0.0028
P3017 Rolling Stone artist ID 10
 0.0027
P8094 GeneaStar person ID 40
 0.0027
P1263 NNDB people ID 101
 0.0026
P2949 WikiTree person ID 630
 0.0026
P9492 NC Highway Historical Marker Program ID 5
 0.0026
P6300 Hymnary author ID 18
 0.0025
P648 Open Library ID 672
 0.0025
P4272 DPLA subject term 6
 0.0025
P5573 archINFORM location ID 100
 0.0024
P5063 Interlingual Index ID 25
 0.0023
P3429 Electronic Enlightenment ID 15
 0.0022
P6461 Rock's Backpages artist ID 10
 0.0022
P4081 BHL creator ID 68
 0.0022
P7303 Grammy Awards artist ID 8
 0.0021
P3347 PermID 15
 0.0020
P4589 Dreadnought Project page 7
 0.0019
P1667 Getty Thesaurus of Geographic Names ID 101
 0.0019
P7471 iNaturalist place ID 102
 0.0019
P3044 College Football HoF ID 6
 0.0019