As of 2022-03-07, the Wikidata property Mathematics Subject Classification ID (P3285) is used on 176 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 154
 0.0000
P6366 Microsoft Academic ID 153
 0.0006
P10283 OpenAlex ID 136
 0.0014
P910 topic's main category 129
 0.0002
P279 subclass of 124
 0.0000
P3417 Quora topic ID 111
 0.0006
P373 Commons category 107
 0.0000
P31 instance of 104
 0.0000
P244 Library of Congress authority ID 99
 0.0001
P1417 Encyclopædia Britannica Online ID 96
 0.0006
P3827 JSTOR topic ID 95
 0.0038
P508 BNCF Thesaurus ID 93
 0.0057
P8408 KBpedia ID 89
 0.0023
P227 GND ID 88
 0.0001
P8189 National Library of Israel J9U ID 86
 0.0005
P268 Bibliothèque nationale de France ID 80
 0.0001
P2812 MathWorld identifier 69
 0.0153
P2924 Great Russian Encyclopedia Online ID 68
 0.0014
P349 National Diet Library ID 65
 0.0005
P1051 PSH ID 63
 0.0105
P4215 nLab ID 61
 0.0150
P361 part of 59
 0.0000
P2581 BabelNet ID 54
 0.0007
P3219 Encyclopædia Universalis ID 53
 0.0016
P18 image 53
 0.0000
P1343 described by source 52
 0.0001
P2347 YSO ID 51
 0.0021
P3553 Zhihu topic ID 46
 0.0032
P1245 OmegaWiki Defined Meaning 40
 0.0034
P1889 different from 39
 0.0001
P7305 Online PWN Encyclopedia ID 34
 0.0010
P4342 Store norske leksikon ID 33
 0.0004
P1296 Gran Enciclopèdia Catalana ID 33
 0.0003
P3916 UNESCO Thesaurus ID 32
 0.0100
P2578 studies 31
 0.0215
P950 Biblioteca Nacional de España ID 28
 0.0001
P1036 Dewey Decimal Classification 27
 0.0047
P1482 Stack Exchange tag 25
 0.0068
P4613 Encyclopedia of Modern Ukraine ID 23
 0.0017
P9100 GitHub topic 22
 0.0084
P8529 ANZSRC 2020 FoR ID 21
 0.0178
P3095 practiced by 21
 0.0051
P7818 French Vikidia ID 21
 0.0010
P5922 ANZSRC 2008 FoR ID 20
 0.0271
P6564 Brilliant Wiki ID 19
 0.0419
P2579 studied by 19
 0.0037
P4746 Elhuyar ZTH ID 19
 0.0028
P2004 NALT ID 19
 0.0028
P7033 Australian Educational Vocabulary ID 18
 0.0021
P1424 topic's main template 18
 0.0009

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P6564 Brilliant Wiki ID 19
 0.0419
P7554 Encyclopedia of Mathematics wiki ID 13
 0.0286
P5922 ANZSRC 2008 FoR ID 20
 0.0271
P2357 Classification of Instructional Programs code 8
 0.0252
P2578 studies 31
 0.0215
P5748 Basisklassifikation 13
 0.0211
P1190 Universal Decimal Classification 10
 0.0198
P8529 ANZSRC 2020 FoR ID 21
 0.0178
P2812 MathWorld identifier 69
 0.0153
P4215 nLab ID 61
 0.0150
P2179 ACM Classification Code (2012) 9
 0.0145
P9526 Scholarpedia article ID 4
 0.0132
P10203 All-Science Journal Classification Codes 5
 0.0127
P9621 Treccani's Enciclopedia della Matematica ID 5
 0.0127
P3123 Stanford Encyclopedia of Philosophy ID 15
 0.0123
P3235 PhilPapers topic 11
 0.0123
P5106 Dictionary of Algorithms and Data Structures ID 8
 0.0113
P7456 AAAS keyword ID 2
 0.0113
P1051 PSH ID 63
 0.0105
P3916 UNESCO Thesaurus ID 32
 0.0100
P6870 Latvian National Encyclopedia Online ID 10
 0.0098
P8539 ERIC Thesaurus ID 3
 0.0097
P10037 Enciclopedia della Scienza e della Tecnica ID 2
 0.0088
P6611 Semantic Scholar topic ID 5
 0.0085
P9100 GitHub topic 22
 0.0084
P4644 ESCO skill ID 4
 0.0082
P1482 Stack Exchange tag 25
 0.0068
P5064 World of Physics identifier 2
 0.0067
P4466 Unified Astronomy Thesaurus ID 7
 0.0062
P5125 Wikimedia outline 5
 0.0061
P508 BNCF Thesaurus ID 93
 0.0057
P2612 TED topic ID 3
 0.0056
P7497 Wolfram Language entity type 2
 0.0056
P5088 Internet Encyclopedia of Philosophy ID 4
 0.0054
P10287 DFG Science Classification 1
 0.0054
P8230 Bookogs credit ID 1
 0.0053
P9030 solution to 1
 0.0053
P7832 Basque Vikidia ID 5
 0.0051
P3095 practiced by 21
 0.0051
P7719 generalization of 1
 0.0048
P1036 Dewey Decimal Classification 27
 0.0047
P5610 OpenMath ID 1
 0.0044
P3847 Open Library subject ID 14
 0.0044
P6781 ProofWiki ID 1
 0.0043
P10234 Der Spiegel topic ID 2
 0.0039
P3827 JSTOR topic ID 95
 0.0038
P2579 studied by 19
 0.0037
P6541 Stack Exchange site 1
 0.0037
P2159 computes solution to 1
 0.0035
P9286 Encyclopaedia Herder concept ID 1
 0.0035