As of 2022-03-07, the Wikidata property K10plus PPN ID (P6721) is used on 8,776 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
P212 ISBN-13 5,576
 0.0766
P648 Open Library ID 5,518
 0.0201
P2969 Goodreads version/edition ID 5,158
 0.1159
P957 ISBN-10 4,972
 0.1013
P243 OCLC control number 2,985
 0.0250
P8383 Goodreads work ID 1,548
 0.0408
P6786 National Library of Wales Catalogue ID 1,316
 0.0288
P5587 Libris-URI 973
 0.0073
P1182 LIBRIS editions 961
 0.0165
P724 Internet Archive ID 870
 0.0031
P356 DOI 697
 0.0000
P1234 ISFDB publication ID 579
 0.0564
P675 Google Books ID 326
 0.0198
P8978 DBLP publication ID 322
 0.0007
P1144 Library of Congress Control Number (LCCN) (bibliographic) 309
 0.0115
P268 Bibliothèque nationale de France ID 301
 0.0005
P1044 SWB editions 282
 0.0318
P6211 BIBSYS work ID 195
 0.0123
P5331 OCLC work ID 163
 0.0052
P1025 SUDOC editions 160
 0.0159
P4109 URN-NBN 143
 0.0080
P6201 OBV editions ID 142
 0.0151
P1292 DNB editions 131
 0.0129
P1042 ZDB ID 113
 0.0098
P2671 Google Knowledge Graph ID 104
 0.0000
P236 ISSN 103
 0.0007
P646 Freebase ID 102
 0.0000
P5199 British Library system number 91
 0.0087
P7363 ISSN-L 91
 0.0007
P1739 CiNii book ID 82
 0.0086
P6123 B3Kat dataset ID 81
 0.0092
P1844 HathiTrust ID 78
 0.0039
P8608 Fatcat ID 76
 0.0005
P5749 Amazon Standard Identification Number 74
 0.0030
P3332 ACM Digital Library citation ID 73
 0.0079
P6981 ACNP journal ID 65
 0.0012
P1160 ISO 4 abbreviation 58
 0.0045
P5485 SBN books ID 53
 0.0055
P1085 LibraryThing work ID 49
 0.0037
P8903 HAL journal ID 47
 0.0012
P6366 Microsoft Academic ID 47
 0.0002
P1055 NLM Unique ID 45
 0.0010
P1156 Scopus source ID 41
 0.0009
P214 VIAF ID 41
 0.0000
P7461 Publons journals/conferences ID 40
 0.0042
P2581 BabelNet ID 40
 0.0005
P1159 CODEN 39
 0.0032
P7662 Scilit journal ID 39
 0.0005
P10283 OpenAlex ID 39
 0.0004
P950 Biblioteca Nacional de España ID 37
 0.0002

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P2969 Goodreads version/edition ID 5,158
 0.1159
P957 ISBN-10 4,972
 0.1013
P212 ISBN-13 5,576
 0.0766
P1234 ISFDB publication ID 579
 0.0564
P8383 Goodreads work ID 1,548
 0.0408
P1044 SWB editions 282
 0.0318
P6786 National Library of Wales Catalogue ID 1,316
 0.0288
P243 OCLC control number 2,985
 0.0250
P648 Open Library ID 5,518
 0.0201
P675 Google Books ID 326
 0.0198
P1182 LIBRIS editions 961
 0.0165
P1025 SUDOC editions 160
 0.0159
P6201 OBV editions ID 142
 0.0151
P1292 DNB editions 131
 0.0129
P6211 BIBSYS work ID 195
 0.0123
P1144 Library of Congress Control Number (LCCN) (bibliographic) 309
 0.0115
P1042 ZDB ID 113
 0.0098
P6123 B3Kat dataset ID 81
 0.0092
P5199 British Library system number 91
 0.0087
P1739 CiNii book ID 82
 0.0086
P4109 URN-NBN 143
 0.0080
P3332 ACM Digital Library citation ID 73
 0.0079
P5587 Libris-URI 973
 0.0073
P5485 SBN books ID 53
 0.0055
P5331 OCLC work ID 163
 0.0052
P1160 ISO 4 abbreviation 58
 0.0045
P7461 Publons journals/conferences ID 40
 0.0042
P6164 Depósito Legal ID 36
 0.0040
P1844 HathiTrust ID 78
 0.0039
P1085 LibraryThing work ID 49
 0.0037
P1608 Dialnet book ID 32
 0.0035
P1159 CODEN 39
 0.0032
P724 Internet Archive ID 870
 0.0031
P5749 Amazon Standard Identification Number 74
 0.0030
P6180 Dimensions Source ID 34
 0.0030
P7851 Smithsonian resource ID 34
 0.0027
P8091 Archival Resource Key 24
 0.0021
P3184 Czech National Bibliography ID 22
 0.0021
P1270 Norwegian Register journal ID 19
 0.0021
P1161 Z39.5 abbreviation 18
 0.0020
P1272 Norway Import Service and Registration Authority periodical code 18
 0.0020
P5933 tweet ID 16
 0.0018
P7502 Golden ID 19
 0.0018
P6901 NooSFere edition ID 13
 0.0015
P3962 Global Trade Item Number 14
 0.0014
P6981 ACNP journal ID 65
 0.0012
P8903 HAL journal ID 47
 0.0012
P6442 Douban book version/edition ID 11
 0.0012
P8089 EZB ID 10
 0.0011
P1250 Danish Bibliometric Research Indicator (BFI) SNO/CNO 28
 0.0011