As of 2022-03-07, the Wikidata property Hacker News username (P7171) is used on 86 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 86
0.0000
P21 sex or gender 83
0.0000
P106 occupation 81
0.0000
P735 given name 77
0.0000
P2002 Twitter username 75
0.0002
P8687 social media followers 62
0.0003
P69 educated at 62
0.0000
P734 family name 62
0.0000
P2037 GitHub username 61
0.0080
P856 official website 60
0.0000
P18 image 54
0.0000
P6634 LinkedIn personal profile ID 48
0.0009
P108 employer 48
0.0000
P27 country of citizenship 46
0.0000
P4265 Reddit username 40
0.0462
P800 notable work 38
0.0007
P569 date of birth 38
0.0000
P2013 Facebook ID 36
0.0002
P646 Freebase ID 29
0.0000
P2087 Crunchbase person ID 28
0.0161
P551 residence 27
0.0001
P1412 languages spoken, written or signed 27
0.0000
P19 place of birth 24
0.0000
P6837 Keybase username 23
0.1769
P373 Commons category 19
0.0000
P1581 official blog 18
0.0028
P2456 DBLP author ID 16
0.0003
P1960 Google Scholar author ID 13
0.0002
P214 VIAF ID 13
0.0000
P3417 Quora topic ID 12
0.0001
P166 award received 12
0.0000
P7859 WorldCat Identities ID 12
0.0000
P244 Library of Congress authority ID 11
0.0000
P101 field of work 10
0.0001
P4174 Wikimedia username 9
0.0048
P463 member of 9
0.0000
P1559 name in native language 9
0.0000
P2671 Google Knowledge Graph ID 9
0.0000
P968 email address 8
0.0001
P213 ISNI 8
0.0000
P3899 Medium username 7
0.0075
P553 website account on 7
0.0049
P2963 Goodreads author ID 7
0.0003
P648 Open Library ID 7
0.0000
P39 position held 7
0.0000
P345 IMDb ID 7
0.0000
P9743 Podchaser creator ID 6
0.0004
P184 doctoral advisor 6
0.0000
P1006 Nationale Thesaurus voor Auteurs ID 6
0.0000
P269 IdRef ID 6
0.0000

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P6837 Keybase username 23
0.1769
P4265 Reddit username 40
0.0462
P8754 OpenStreetMap numeric user ID 3
0.0214
P2087 Crunchbase person ID 28
0.0161
P2893 Skype username 3
0.0152
P3721 public key fingerprint 3
0.0105
P9125 Microsoft MVP profile ID 1
0.0104
P10212 Stack Exchange user ID 1
0.0080
P2037 GitHub username 61
0.0080
P3899 Medium username 7
0.0075
P4411 Quora username 3
0.0075
P3276 Angel List ID 2
0.0070
P7638 OverDrive creator ID 1
0.0054
P553 website account on 7
0.0049
P4174 Wikimedia username 9
0.0048
P4175 Patreon ID 5
0.0048
P5801 Academia.edu topic ID 1
0.0047
P7671 Semion author ID 1
0.0047
P4232 Figshare author ID 1
0.0039
P7771 PersonalData.IO ID 1
0.0039
P6329 Share-VDE author ID 2
0.0038
P4594 arXiv author ID 1
0.0034
P4016 SlideShare username 1
0.0032
P1714 Journalisted ID 1
0.0029
P1581 official blog 18
0.0028
P2607 BookBrainz author ID 2
0.0027
P8852 facial hair 1
0.0023
P3267 Flickr user ID 4
0.0020
P3232 PhilPapers author ID 1
0.0019
P4033 Mastodon address 1
0.0018
P2218 net worth 2
0.0018
P6325 Critique d'art ID 1
0.0018
P990 audio recording of the subject's spoken voice 2
0.0016
P3052 Bloomberg person ID 1
0.0014
P6553 personal pronoun 3
0.0013
P5797 Twitch channel ID 2
0.0012
P6634 LinkedIn personal profile ID 48
0.0009
P5705 Los Angeles Review of Books author ID 1
0.0008
P7445 Basis Wien person ID 2
0.0008
P3913 MobyGames developer ID 1
0.0008
P2984 Snapchat username 1
0.0008
P800 notable work 38
0.0007
P6119 Letterboxd actor ID 1
0.0007
P6005 Muck Rack journalist ID 4
0.0006
P3388 LittleSis people ID 2
0.0006
P3943 Tumblr username 2
0.0005
P3258 LiveJournal ID 1
0.0005
P3836 Pinterest username 2
0.0004
P9743 Podchaser creator ID 6
0.0004
P2611 TED speaker ID 1
0.0004