As of 2022-03-07, the Wikidata property Uniform Resource Identifier Scheme (P4742) is used on 218 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 143
 0.0000
P3417 Quora topic ID 71
 0.0004
P6366 Microsoft Academic ID 65
 0.0002
P3553 Zhihu topic ID 49
 0.0034
P9100 GitHub topic 30
 0.0113
P2002 Twitter username 28
 0.0001
P244 Library of Congress authority ID 28
 0.0000
P3381 File Format Wiki page ID 27
 0.0089
P8408 KBpedia ID 27
 0.0007
P227 GND ID 25
 0.0000
P10283 OpenAlex ID 23
 0.0002
P3861 App Store app ID 22
 0.0094
P8189 National Library of Israel J9U ID 22
 0.0001
P2013 Facebook ID 22
 0.0001
P3984 subreddit 20
 0.0018
P7306 Downdetector ID 19
 0.0189
P9618 AlternativeTo software ID 19
 0.0152
P4342 Store norske leksikon ID 17
 0.0002
P1417 Encyclopædia Britannica Online ID 17
 0.0001
P1296 Gran Enciclopèdia Catalana ID 16
 0.0001
P3418 Google Play Store app ID 15
 0.0064
P2347 YSO ID 15
 0.0006
P2003 Instagram username 15
 0.0001
P6931 Repology project name 14
 0.0027
P2397 YouTube channel ID 14
 0.0002
P214 VIAF ID 14
 0.0000
P3442 Debian stable package 13
 0.0040
P3499 Gentoo package 12
 0.0029
P2088 Crunchbase organization ID 12
 0.0007
P5814 IANA service name 11
 0.0442
P2037 GitHub username 11
 0.0014
P4162 AUR package 10
 0.0037
P1972 Open Hub ID 10
 0.0032
P1245 OmegaWiki Defined Meaning 10
 0.0009
P7818 French Vikidia ID 10
 0.0005
P3222 NE.se ID 10
 0.0002
P2581 BabelNet ID 10
 0.0001
P5161 Trustpilot company ID 9
 0.0119
P3473 Ubuntu package 9
 0.0051
P4527 UK Parliament thesaurus ID 9
 0.0003
P5019 Brockhaus Enzyklopädie online ID 9
 0.0003
P2163 FAST ID 9
 0.0000
P3454 Arch Linux package 8
 0.0036
P7427 FreeBSD port 8
 0.0029
P5398 TDKIV term ID 8
 0.0024
P4264 LinkedIn company ID 8
 0.0008
P6262 Fandom article ID 8
 0.0002
P268 Bibliothèque nationale de France ID 8
 0.0000
P2671 Google Knowledge Graph ID 8
 0.0000
P6009 Techopedia ID 7
 0.0137

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P5814 IANA service name 11
 0.0442
P8525 ToS;DR service numerical identifier 5
 0.0207
P7306 Downdetector ID 19
 0.0189
P4460 Kaitai Struct format gallery ID 4
 0.0162
P9618 AlternativeTo software ID 19
 0.0152
P6009 Techopedia ID 7
 0.0137
P8778 Docker Hub repository 4
 0.0128
P3308 lib.reviews ID 5
 0.0121
P5161 Trustpilot company ID 9
 0.0119
P9100 GitHub topic 30
 0.0113
P10146 Levels.fyi company ID 3
 0.0112
P4655 Flathub ID 5
 0.0106
P3861 App Store app ID 22
 0.0094
P4435 snap package 4
 0.0092
P3381 File Format Wiki page ID 27
 0.0089
P7429 Bundle ID 4
 0.0089
P3641 Uniform Type Identifier 3
 0.0084
P8205 Mozilla Developer Network article 4
 0.0079
P3875 Justia Patents company ID 2
 0.0079
P10407 Encyclopedia of Database Systems ID 2
 0.0076
P8209 SILL software ID 3
 0.0074
P3266 Library of Congress Format Description Document ID 3
 0.0073
P3418 Google Play Store app ID 15
 0.0064
P6611 Semantic Scholar topic ID 4
 0.0063
P10206 Comparably company ID 4
 0.0061
P3479 Omni topic ID 7
 0.0060
P4644 ESCO skill ID 3
 0.0056
P8060 Glassdoor company ID 4
 0.0054
P9346 France24 topic ID (French) 2
 0.0052
P7771 PersonalData.IO ID 2
 0.0051
P3473 Ubuntu package 9
 0.0051
P6720 interwiki prefix at Wikimedia 3
 0.0049
P4204 The Times of India topic ID 4
 0.0048
P10332 Kaspersky Encyclopedia ID 1
 0.0045
P7529 dp.ru company ID 1
 0.0045
P9775 Treccani's Lessico del XXI Secolo ID 2
 0.0044
P4107 Framalibre ID 3
 0.0043
P6200 BBC News topic ID 6
 0.0041
P2537 Free Software Directory entry 7
 0.0040
P3442 Debian stable package 13
 0.0040
P9128 Debian Package Tracker ID 2
 0.0039
P5084 Yahoo Answers category 1
 0.0039
P8443 Homebrew formula name 6
 0.0039
P6765 Guix Variable Name 2
 0.0038
P8579 Firefox Add-ons URL slug 1
 0.0037
P4162 AUR package 10
 0.0037
P3454 Arch Linux package 8
 0.0036
P8559 Chrome Webstore extension ID 1
 0.0035
P3743 ITU/ISO/IEC object identifier 7
 0.0035
P3797 autonomous system number 2
 0.0035