As of 2022-03-07, the Wikidata property equivalent class (P1709) is used on 1,027 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
P279 subclass of 970
 0.0004
P646 Freebase ID 720
 0.0002
P910 topic's main category 711
 0.0011
P373 Commons category 697
 0.0002
P8408 KBpedia ID 644
 0.0167
P227 GND ID 541
 0.0004
P1889 different from 516
 0.0008
P18 image 511
 0.0001
P3417 Quora topic ID 490
 0.0027
P244 Library of Congress authority ID 468
 0.0003
P31 instance of 442
 0.0000
P1014 Art & Architecture Thesaurus ID 435
 0.0178
P2347 YSO ID 432
 0.0177
P3827 JSTOR topic ID 405
 0.0157
P1417 Encyclopædia Britannica Online ID 392
 0.0023
P508 BNCF Thesaurus ID 391
 0.0230
P2581 BabelNet ID 391
 0.0053
P8189 National Library of Israel J9U ID 360
 0.0021
P1343 described by source 359
 0.0005
P7033 Australian Educational Vocabulary ID 327
 0.0357
P268 Bibliothèque nationale de France ID 326
 0.0006
P1424 topic's main template 324
 0.0160
P1245 OmegaWiki Defined Meaning 286
 0.0234
P349 National Diet Library ID 285
 0.0020
P10283 OpenAlex ID 283
 0.0028
P7818 French Vikidia ID 272
 0.0131
P1296 Gran Enciclopèdia Catalana ID 263
 0.0023
P6366 Microsoft Academic ID 261
 0.0010
P1963 properties for this type 238
 0.1163
P3553 Zhihu topic ID 224
 0.0150
P1051 PSH ID 219
 0.0326
P8814 WordNet 3.1 Synset ID 218
 0.0132
P361 part of 218
 0.0001
P1282 OpenStreetMap tag or key 207
 0.0562
P1687 Wikidata property 200
 0.0212
P4527 UK Parliament thesaurus ID 199
 0.0074
P4212 PACTOLS thesaurus ID 190
 0.0106
P1225 U.S. National Archives Identifier 188
 0.0003
P8519 RKD thesaurus ID 184
 0.0146
P527 has part or parts 184
 0.0003
P2924 Great Russian Encyclopedia Online ID 180
 0.0035
P6573 Klexikon article ID 175
 0.0494
P3916 UNESCO Thesaurus ID 171
 0.0438
P2671 Google Knowledge Graph ID 171
 0.0000
P486 MeSH descriptor ID 167
 0.0044
P460 said to be the same as 160
 0.0016
P4342 Store norske leksikon ID 159
 0.0021
P3219 Encyclopædia Universalis ID 153
 0.0045
P2888 exact match 143
 0.0000
P935 Commons gallery 142
 0.0014

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P1963 properties for this type 238
 0.1163
P2452 GeoNames feature code 103
 0.0712
P6186 category for eponymous categories 72
 0.0594
P7497 Wolfram Language entity type 65
 0.0567
P1282 OpenStreetMap tag or key 207
 0.0562
P6573 Klexikon article ID 175
 0.0494
P5429 IPTC NewsCode 76
 0.0441
P3916 UNESCO Thesaurus ID 171
 0.0438
P6771 Arabic Ontology ID 61
 0.0428
P5869 model item 64
 0.0420
P5250 IAB code 78
 0.0388
P5160 Thesaurus for Graphic Materials ID 66
 0.0382
P6293 YSA ID 123
 0.0370
P7033 Australian Educational Vocabulary ID 327
 0.0357
P9084 ABC News topic ID 70
 0.0350
P4307 FOIH heritage types ID 39
 0.0331
P1051 PSH ID 219
 0.0326
P7827 Spanish Vikidia ID 82
 0.0326
P2612 TED topic ID 43
 0.0320
P5437 EuroVoc ID 116
 0.0296
P3911 STW Thesaurus for Economics ID 97
 0.0285
P5604 archINFORM keyword ID 57
 0.0285
P7832 Basque Vikidia ID 50
 0.0281
P5198 ASC Leiden Thesaurus ID 131
 0.0273
P6680 MeSH term ID 31
 0.0270
P1245 OmegaWiki Defined Meaning 286
 0.0234
P1256 Iconclass notation 110
 0.0232
P1151 topic's main Wikimedia portal 64
 0.0231
P508 BNCF Thesaurus ID 391
 0.0230
P7749 Nomenclature for Museum Cataloging 137
 0.0215
P952 ISCO-88 occupation code 28
 0.0214
P1687 Wikidata property 200
 0.0212
P5398 TDKIV term ID 87
 0.0211
P9318 Ávvir topic ID 47
 0.0206
P3847 Open Library subject ID 82
 0.0205
P8309 Yle topic ID 99
 0.0205
P867 ROME Occupation Code (v3) 27
 0.0199
P4946 Library of Congress Demographic Group Terms ID 38
 0.0196
P4953 Library of Congress Genre/Form Terms ID 48
 0.0194
P7829 English Vikidia ID 35
 0.0184
P1014 Art & Architecture Thesaurus ID 435
 0.0178
P2347 YSO ID 432
 0.0177
P8540 American Folklore Society Ethnographic Thesaurus ID 22
 0.0176
P8799 Twitch tag ID 26
 0.0175
P8365 Thesaurus Sozialwissenschaften ID 19
 0.0174
P8785 AniDB tag ID 32
 0.0173
P2004 NALT ID 127
 0.0170
P8408 KBpedia ID 644
 0.0167
P1043 IDEO Job ID 22
 0.0167
P7822 Italian Vikidia ID 31
 0.0167