As of 2022-03-07, the Wikidata property research site (P6153) is used on 109,229 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
P31 instance of 109,229
 0.0012
P3098 ClinicalTrials.gov ID 109,187
 0.3062
P580 start time 107,713
 0.1659
P8363 study type 107,558
 0.3064
P1132 number of participants 107,150
 0.2537
P1476 title 106,621
 0.0026
P582 end time 101,420
 0.1781
P2899 minimum age 97,499
 0.2933
P17 country 94,058
 0.0065
P6099 clinical trial phase 58,282
 0.2757
P1050 medical condition 53,882
 0.2287
P4135 maximum age 50,394
 0.2098
P4844 research intervention 30,832
 0.1841
P1813 short name 26,680
 0.1025
P859 sponsor 25,614
 0.1087
P8005 research subject recruitment status 14,350
 0.0996
P921 main subject 11,961
 0.0008
P767 contributor to the creative work or subject 4,713
 0.0365
P131 located in the administrative territorial entity 1,923
 0.0002
P8329 principal investigator 582
 0.0052
P2283 uses 282
 0.0022
P8324 funder 48
 0.0004
P248 stated in 20
 0.0002
P2175 medical condition treated 19
 0.0002
P7019 ANZCTR ID 18
 0.0002
P577 publication date 13
 0.0000
P646 Freebase ID 10
 0.0000
P973 described at URL 9
 0.0000
P18 image 8
 0.0000
P2671 Google Knowledge Graph ID 8
 0.0000
P50 author 8
 0.0000
P2093 author name string 8
 0.0000
P356 DOI 7
 0.0000
P1433 published in 7
 0.0000
P585 point in time 6
 0.0000
P856 official website 6
 0.0000
P373 Commons category 6
 0.0000
P478 volume 6
 0.0000
P304 page(s) 6
 0.0000
P1889 different from 5
 0.0000
P407 language of work or name 5
 0.0000
P698 PubMed ID 5
 0.0000
P6220 OpenTrials ID 4
 0.0000
P710 participant 4
 0.0000
P10283 OpenAlex ID 4
 0.0000
P1417 Encyclopædia Britannica Online ID 4
 0.0000
P6366 Microsoft Academic ID 4
 0.0000
P641 sport 4
 0.0000
P279 subclass of 4
 0.0000
P3219 Encyclopædia Universalis ID 3
 0.0000

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P8363 study type 107,558
 0.3064
P3098 ClinicalTrials.gov ID 109,187
 0.3062
P2899 minimum age 97,499
 0.2933
P6099 clinical trial phase 58,282
 0.2757
P1132 number of participants 107,150
 0.2537
P1050 medical condition 53,882
 0.2287
P4135 maximum age 50,394
 0.2098
P4844 research intervention 30,832
 0.1841
P582 end time 101,420
 0.1781
P580 start time 107,713
 0.1659
P859 sponsor 25,614
 0.1087
P1813 short name 26,680
 0.1025
P8005 research subject recruitment status 14,350
 0.0996
P767 contributor to the creative work or subject 4,713
 0.0365
P17 country 94,058
 0.0065
P8329 principal investigator 582
 0.0052
P1476 title 106,621
 0.0026
P2283 uses 282
 0.0022
P31 instance of 109,229
 0.0012
P921 main subject 11,961
 0.0008
P8324 funder 48
 0.0004
P131 located in the administrative territorial entity 1,923
 0.0002
P248 stated in 20
 0.0002
P2175 medical condition treated 19
 0.0002
P7019 ANZCTR ID 18
 0.0002
P6220 OpenTrials ID 4
 0.0000
P3219 Encyclopædia Universalis ID 3
 0.0000
P710 participant 4
 0.0000
P10283 OpenAlex ID 4
 0.0000
P2924 Great Russian Encyclopedia Online ID 3
 0.0000
P2375 has superpartner 2
 0.0000
P1360 Monte Carlo Particle Number 2
 0.0000
P8403 theorised by 2
 0.0000
P2152 antiparticle 2
 0.0000
P2200 electric charge 2
 0.0000
P517 interaction 2
 0.0000
P1840 investigated by 2
 0.0000
P1123 parity quantum number 2
 0.0000
P1122 spin quantum number 2
 0.0000
P4215 nLab ID 2
 0.0000
P4746 Elhuyar ZTH ID 2
 0.0000
P3553 Zhihu topic ID 2
 0.0000
P4342 Store norske leksikon ID 3
 0.0000
P5331 OCLC work ID 2
 0.0000
P2347 YSO ID 2
 0.0000
P189 location of discovery 2
 0.0000
P1417 Encyclopædia Britannica Online ID 4
 0.0000
P7305 Online PWN Encyclopedia ID 2
 0.0000
P8408 KBpedia ID 2
 0.0000
P973 described at URL 9
 0.0000