As of 2022-03-07, the Wikidata property Universal Decimal Classification (P1190) is used on 339 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
P646 Freebase ID 156
 0.0000
P1417 Encyclopædia Britannica Online ID 117
 0.0007
P227 GND ID 117
 0.0001
P3417 Quora topic ID 116
 0.0006
P8408 KBpedia ID 115
 0.0030
P244 Library of Congress authority ID 110
 0.0001
P10283 OpenAlex ID 101
 0.0010
P508 BNCF Thesaurus ID 99
 0.0060
P8189 National Library of Israel J9U ID 99
 0.0006
P2347 YSO ID 95
 0.0040
P1014 Art & Architecture Thesaurus ID 92
 0.0038
P3827 JSTOR topic ID 90
 0.0035
P268 Bibliothèque nationale de France ID 90
 0.0002
P2924 Great Russian Encyclopedia Online ID 89
 0.0018
P349 National Diet Library ID 87
 0.0006
P6366 Microsoft Academic ID 87
 0.0003
P2581 BabelNet ID 84
 0.0012
P1051 PSH ID 82
 0.0133
P1245 OmegaWiki Defined Meaning 82
 0.0070
P1036 Dewey Decimal Classification 80
 0.0136
P3553 Zhihu topic ID 78
 0.0054
P236 ISSN 76
 0.0005
P3916 UNESCO Thesaurus ID 72
 0.0217
P7363 ISSN-L 72
 0.0006
P7818 French Vikidia ID 68
 0.0034
P1296 Gran Enciclopèdia Catalana ID 66
 0.0006
P3219 Encyclopædia Universalis ID 62
 0.0019
P7033 Australian Educational Vocabulary ID 60
 0.0069
P4342 Store norske leksikon ID 60
 0.0008
P4212 PACTOLS thesaurus ID 53
 0.0031
P486 MeSH descriptor ID 53
 0.0014
P8375 Crossref journal ID 51
 0.0007
P950 Biblioteca Nacional de España ID 51
 0.0003
P8248 Colon Classification 50
 0.0255
P4527 UK Parliament thesaurus ID 50
 0.0019
P3984 subreddit 49
 0.0043
P7662 Scilit journal ID 49
 0.0007
P3847 Open Library subject ID 47
 0.0141
P3365 Treccani ID 47
 0.0019
P5198 ASC Leiden Thesaurus ID 46
 0.0110
P1225 U.S. National Archives Identifier 46
 0.0001
P5429 IPTC NewsCode 43
 0.0402
P6293 YSA ID 38
 0.0139
P6573 Klexikon article ID 38
 0.0127
P1256 Iconclass notation 37
 0.0090
P6981 ACNP journal ID 37
 0.0008
P5250 IAB code 36
 0.0264
P8309 Yle topic ID 35
 0.0083
P672 MeSH tree code 34
 0.0020
P7827 Spanish Vikidia ID 33
 0.0176

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P8391 BBK (library and bibliographic classification) 18
 0.0503
P2612 TED topic ID 32
 0.0479
P5429 IPTC NewsCode 43
 0.0402
P10203 All-Science Journal Classification Codes 19
 0.0350
P5748 Basisklassifikation 26
 0.0339
P8472 Encyclopedie berbere keyword ID 19
 0.0329
P8456 ASCRG 2016 ID 13
 0.0300
P5250 IAB code 36
 0.0264
P8248 Colon Classification 50
 0.0255
P5084 Yahoo Answers category 9
 0.0244
P7832 Basque Vikidia ID 27
 0.0242
P8539 ERIC Thesaurus ID 11
 0.0238
P9084 ABC News topic ID 32
 0.0237
P3612 Le Monde diplomatique subject ID 22
 0.0224
P3916 UNESCO Thesaurus ID 72
 0.0217
P7712 Joconde domain ID 10
 0.0207
P6680 MeSH term ID 10
 0.0207
P4644 ESCO skill ID 13
 0.0202
P3235 PhilPapers topic 21
 0.0201
P3285 Mathematics Subject Classification ID 10
 0.0198
P9123 Catalan Vikidia ID 15
 0.0188
P7827 Spanish Vikidia ID 33
 0.0176
P8529 ANZSRC 2020 FoR ID 23
 0.0171
P920 LEM ID 13
 0.0156
P1798 ISO 639-5 code 7
 0.0155
P219 ISO 639-2 code 12
 0.0147
P6870 Latvian National Encyclopedia Online ID 17
 0.0145
P5922 ANZSRC 2008 FoR ID 13
 0.0143
P8365 Thesaurus Sozialwissenschaften ID 6
 0.0143
P3847 Open Library subject ID 47
 0.0141
P6293 YSA ID 38
 0.0139
P1036 Dewey Decimal Classification 80
 0.0136
P218 ISO 639-1 code 7
 0.0135
P1051 PSH ID 82
 0.0133
P9287 Cyprus Bibliography ID 19
 0.0130
P7829 English Vikidia ID 16
 0.0129
P6200 BBC News topic ID 20
 0.0128
P6573 Klexikon article ID 38
 0.0127
P8799 Twitch tag ID 10
 0.0123
P5160 Thesaurus for Graphic Materials ID 13
 0.0119
P1251 ABS ASCL 2011 code 9
 0.0119
P9100 GitHub topic 32
 0.0116
P4801 LoC and MARC vocabularies ID 17
 0.0113
P5198 ASC Leiden Thesaurus ID 46
 0.0110
P7644 Encyclopedia of Cleveland History ID 7
 0.0105
P7884 Joconde inscription ID 4
 0.0105
P8785 AniDB tag ID 12
 0.0102
P7889 Cambridge Encyclopedia of Anthropology ID 4
 0.0101
P9346 France24 topic ID (French) 5
 0.0099
P278 GOST 7.75–97 code 7
 0.0098