As of 2022-03-07, the Wikidata property identifiers.org prefix (P4793) is used on 241 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 127
 0.0000
P6366 Microsoft Academic ID 64
 0.0002
P8605 Linked Open Data Cloud identifier 22
 0.0397
P2689 BARTOC ID 18
 0.0313
P2671 Google Knowledge Graph ID 18
 0.0000
P2002 Twitter username 17
 0.0001
P3417 Quora topic ID 15
 0.0001
P2666 Datahub page 14
 0.0408
P10283 OpenAlex ID 11
 0.0001
P2264 mix'n'match catalog ID 8
 0.0033
P7502 Golden ID 7
 0.0031
P3553 Zhihu topic ID 5
 0.0003
P227 GND ID 5
 0.0000
P244 Library of Congress authority ID 5
 0.0000
P213 ISNI 5
 0.0000
P214 VIAF ID 5
 0.0000
P5874 re3data repository ID 4
 0.0154
P6720 interwiki prefix at Wikimedia 4
 0.0063
P3743 ITU/ISO/IEC object identifier 4
 0.0020
P2581 BabelNet ID 4
 0.0001
P6782 ROR ID 4
 0.0000
P2427 GRID ID 4
 0.0000
P7859 WorldCat Identities ID 4
 0.0000
P9712 Research Resource Identifier 3
 0.0116
P9100 GitHub topic 3
 0.0011
P486 MeSH descriptor ID 3
 0.0001
P2013 Facebook ID 3
 0.0000
P10000 Research Vocabularies Australia ID 2
 0.0073
P4824 org-id.guide ID 2
 0.0069
P6611 Semantic Scholar topic ID 2
 0.0030
P5161 Trustpilot company ID 2
 0.0025
P1800 Wikimedia database name 2
 0.0016
P2209 SourceForge project 2
 0.0015
P1972 Open Hub ID 2
 0.0006
P5398 TDKIV term ID 2
 0.0006
P5247 Giant Bomb ID 2
 0.0001
P672 MeSH tree code 2
 0.0001
P1277 JUFO ID 2
 0.0001
P2347 YSO ID 2
 0.0001
P8903 HAL journal ID 2
 0.0001
P1055 NLM Unique ID 2
 0.0001
P8408 KBpedia ID 2
 0.0001
P6262 Fandom article ID 2
 0.0000
P3500 Ringgold ID 2
 0.0000
P7363 ISSN-L 2
 0.0000
P236 ISSN 2
 0.0000
P2003 Instagram username 2
 0.0000
P356 DOI 2
 0.0000
P10120 Australian Trade Mark Number 1
 0.0040
P6307 Wikibase Registry ID 1
 0.0039

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P2666 Datahub page 14
 0.0408
P8605 Linked Open Data Cloud identifier 22
 0.0397
P2689 BARTOC ID 18
 0.0313
P5874 re3data repository ID 4
 0.0154
P9712 Research Resource Identifier 3
 0.0116
P10000 Research Vocabularies Australia ID 2
 0.0073
P4824 org-id.guide ID 2
 0.0069
P6720 interwiki prefix at Wikimedia 4
 0.0063
P10120 Australian Trade Mark Number 1
 0.0040
P6307 Wikibase Registry ID 1
 0.0039
P7703 Spanish Quora topic ID 1
 0.0037
P5863 CharacTour character ID 1
 0.0035
P2264 mix'n'match catalog ID 8
 0.0033
P7502 Golden ID 7
 0.0031
P6611 Semantic Scholar topic ID 2
 0.0030
P5801 Academia.edu topic ID 1
 0.0027
P7072 wiki on WikiApiary 1
 0.0027
P5161 Trustpilot company ID 2
 0.0025
P7387 Q-Codes ID 1
 0.0025
P4742 Uniform Resource Identifier Scheme 1
 0.0022
P3068 WIPO ST.3 1
 0.0021
P9345 Discord server numeric ID 1
 0.0020
P3743 ITU/ISO/IEC object identifier 4
 0.0020
P5332 OpenDOAR ID 1
 0.0019
P4901 Zenodo ID 1
 0.0016
P1800 Wikimedia database name 2
 0.0016
P1300 bibcode 1
 0.0015
P2209 SourceForge project 2
 0.0015
P5843 Gynopedia ID 1
 0.0013
P503 ISO standard 1
 0.0011
P9100 GitHub topic 3
 0.0011
P1870 Name Assigning Authority Number 1
 0.0011
P9618 AlternativeTo software ID 1
 0.0008
P1972 Open Hub ID 2
 0.0006
P5398 TDKIV term ID 2
 0.0006
P2537 Free Software Directory entry 1
 0.0006
P7827 Spanish Vikidia ID 1
 0.0006
P1662 DOI prefix 1
 0.0005
P9852 Media Bias/Fact Check ID 1
 0.0004
P3789 Telegram username 1
 0.0004
P5963 Elsevier journal ID 1
 0.0004
P3553 Zhihu topic ID 5
 0.0003
P4616 UniProt journal ID 1
 0.0003
P3381 File Format Wiki page ID 1
 0.0003
P8885 Namuwiki ID 1
 0.0003
P6665 Pro-Linux.de DBApp ID 1
 0.0002
P5198 ASC Leiden Thesaurus ID 1
 0.0002
P6366 Microsoft Academic ID 64
 0.0002
P3836 Pinterest username 1
 0.0002
P2816 HowLongToBeat ID 1
 0.0002