As of 2019-08-05, the Wikidata property main subject (P921) is used on 6,150,587 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
P31 instance of 6,148,935
0.1114
P1476 title 6,051,994
0.2564
P1433 published in 5,966,254
0.2680
P577 publication date 5,953,405
0.2549
P2093 author name string 5,770,575
0.2651
P478 volume 5,676,735
0.2701
P304 page(s) 5,670,183
0.2690
P698 PubMed ID 5,159,466
0.2712
P433 issue 5,017,856
0.2502
P356 DOI 4,893,750
0.2653
P2860 cites 2,394,632
0.2157
P932 PMCID 1,578,446
0.1687
P5875 ResearchGate publication identifier 1,538,784
0.1675
P50 author 1,441,234
0.1584
P407 language of work or name 1,346,541
0.1296
P2888 exact match 143,516
0.0207
P3181 OpenCitations bibliographic resource ID 120,231
0.0192
P6179 Dimensions Publication ID 116,605
0.0177
P495 country of origin 76,076
0.0109
P6216 copyright status 63,231
0.0095
P5008 on focus list of Wikimedia project 53,340
0.0085
P275 license 48,295
0.0078
P361 part of 44,390
0.0060
P136 genre 43,199
0.0062
P859 sponsor 33,312
0.0053
P156 followed by 32,899
0.0049
P155 follows 32,706
0.0048
P18 image 29,039
0.0032
P17 country 28,966
0.0017
P580 start time 28,683
0.0044
P571 inception 28,259
0.0036
P3098 ClinicalTrials.gov Identifier 27,513
0.0043
P1132 number of participants 26,297
0.0041
P582 end time 26,207
0.0040
P195 collection 26,144
0.0038
P276 location 25,836
0.0035
P2880 NIOSHTIC-2 ID 25,755
0.0042
P953 full work available at 24,688
0.0040
P2899 minimum age 24,500
0.0038
P170 creator 23,721
0.0035
P123 publisher 23,134
0.0037
P888 JSTOR article ID 22,541
0.0036
P217 inventory number 18,964
0.0028
P2048 height 18,502
0.0028
P2049 width 18,294
0.0028
P180 depicts 16,767
0.0027
P856 official website 15,527
0.0022
P1050 medical condition 15,489
0.0025
P4510 describes a project that uses 14,570
0.0024
P345 IMDb ID 14,263
0.0021

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P698 PubMed ID 5,159,466
0.2712
P478 volume 5,676,735
0.2701
P304 page(s) 5,670,183
0.2690
P1433 published in 5,966,254
0.2680
P356 DOI 4,893,750
0.2653
P2093 author name string 5,770,575
0.2651
P1476 title 6,051,994
0.2564
P577 publication date 5,953,405
0.2549
P433 issue 5,017,856
0.2502
P2860 cites 2,394,632
0.2157
P932 PMCID 1,578,446
0.1687
P5875 ResearchGate publication identifier 1,538,784
0.1675
P50 author 1,441,234
0.1584
P407 language of work or name 1,346,541
0.1296
P31 instance of 6,148,935
0.1114
P2888 exact match 143,516
0.0207
P3181 OpenCitations bibliographic resource ID 120,231
0.0192
P6179 Dimensions Publication ID 116,605
0.0177
P495 country of origin 76,076
0.0109
P6216 copyright status 63,231
0.0095
P5008 on focus list of Wikimedia project 53,340
0.0085
P275 license 48,295
0.0078
P136 genre 43,199
0.0062
P361 part of 44,390
0.0060
P859 sponsor 33,312
0.0053
P156 followed by 32,899
0.0049
P155 follows 32,706
0.0048
P580 start time 28,683
0.0044
P3098 ClinicalTrials.gov Identifier 27,513
0.0043
P2880 NIOSHTIC-2 ID 25,755
0.0042
P1132 number of participants 26,297
0.0041
P582 end time 26,207
0.0040
P953 full work available at 24,688
0.0040
P2899 minimum age 24,500
0.0038
P195 collection 26,144
0.0038
P123 publisher 23,134
0.0037
P571 inception 28,259
0.0036
P888 JSTOR article ID 22,541
0.0036
P170 creator 23,721
0.0035
P276 location 25,836
0.0035
P18 image 29,039
0.0032
P217 inventory number 18,964
0.0028
P2049 width 18,294
0.0028
P2048 height 18,502
0.0028
P180 depicts 16,767
0.0027
P1050 medical condition 15,489
0.0025
P4510 describes a project that uses 14,570
0.0024
P4135 maximum age 13,840
0.0022
P856 official website 15,527
0.0022
P345 IMDb ID 14,263
0.0021