As of 2022-03-07, the Wikidata property BBK (library and bibliographic classification) (P8391) is used on 37 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 23
 0.0003
P1190 Universal Decimal Classification 18
 0.0503
P648 Open Library ID 6
 0.0000
P1417 Encyclopædia Britannica Online ID 5
 0.0000
P646 Freebase ID 4
 0.0000
P675 Google Books ID 3
 0.0004
P957 ISBN-10 3
 0.0001
P1973 RSL editions 2
 0.0079
P6175 Bitraga work ID 2
 0.0019
P1274 ISFDB title ID 2
 0.0001
P8383 Goodreads work ID 2
 0.0001
P435 MusicBrainz work ID 2
 0.0001
P2969 Goodreads version/edition ID 2
 0.0000
P243 OCLC control number 2
 0.0000
P236 ISSN 2
 0.0000
P3417 Quora topic ID 2
 0.0000
P2013 Facebook ID 2
 0.0000
P227 GND ID 2
 0.0000
P244 Library of Congress authority ID 2
 0.0000
P214 VIAF ID 2
 0.0000
P2671 Google Knowledge Graph ID 2
 0.0000
P4436 The Coptic Library ID 1
 0.0175
P9222 bashenc.online ID 1
 0.0122
P3308 lib.reviews ID 1
 0.0042
P8472 Encyclopedie berbere keyword ID 1
 0.0034
P9765 Great Ukrainian Encyclopedia Online ID 1
 0.0032
P8935 Encyclopedia of the History of Ukraine ID 1
 0.0030
P7823 BookBrainz work ID 1
 0.0024
P5748 Basisklassifikation 1
 0.0020
P920 LEM ID 1
 0.0018
P9082 Academic Encyclopedia of Czech History ID 1
 0.0016
P5429 IPTC NewsCode 1
 0.0012
P8895 All the Tropes identifier 1
 0.0011
P6870 Latvian National Encyclopedia Online ID 1
 0.0011
P5986 Getty Iconography Authority ID 1
 0.0011
P9000 World History Encyclopedia ID 1
 0.0010
P4235 PatientsLikeMe treatment ID 1
 0.0008
P7208 Liber Liber author ID 1
 0.0007
P4255 Banglapedia ID (English) 1
 0.0006
P7775 RationalWiki ID 1
 0.0006
P8248 Colon Classification 1
 0.0006
P8065 CIRIS author ID 1
 0.0005
P7935 Corpus Corporum author ID 1
 0.0005
P1842 Global Anabaptist Mennonite Encyclopedia Online ID 1
 0.0004
P9100 GitHub topic 1
 0.0004
P3221 New York Times topic ID 1
 0.0004
P4028 Google Scholar paper ID 1
 0.0004
P6900 NicoNicoPedia ID 1
 0.0004
P6573 Klexikon article ID 1
 0.0004
P1438 Jewish Encyclopedia ID (Russian) 1
 0.0004

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P1190 Universal Decimal Classification 18
 0.0503
P4436 The Coptic Library ID 1
 0.0175
P9222 bashenc.online ID 1
 0.0122
P1973 RSL editions 2
 0.0079
P3308 lib.reviews ID 1
 0.0042
P8472 Encyclopedie berbere keyword ID 1
 0.0034
P9765 Great Ukrainian Encyclopedia Online ID 1
 0.0032
P8935 Encyclopedia of the History of Ukraine ID 1
 0.0030
P7823 BookBrainz work ID 1
 0.0024
P5748 Basisklassifikation 1
 0.0020
P6175 Bitraga work ID 2
 0.0019
P920 LEM ID 1
 0.0018
P9082 Academic Encyclopedia of Czech History ID 1
 0.0016
P5429 IPTC NewsCode 1
 0.0012
P8895 All the Tropes identifier 1
 0.0011
P6870 Latvian National Encyclopedia Online ID 1
 0.0011
P5986 Getty Iconography Authority ID 1
 0.0011
P9000 World History Encyclopedia ID 1
 0.0010
P4235 PatientsLikeMe treatment ID 1
 0.0008
P7208 Liber Liber author ID 1
 0.0007
P4255 Banglapedia ID (English) 1
 0.0006
P7775 RationalWiki ID 1
 0.0006
P8248 Colon Classification 1
 0.0006
P8065 CIRIS author ID 1
 0.0005
P7935 Corpus Corporum author ID 1
 0.0005
P1842 Global Anabaptist Mennonite Encyclopedia Online ID 1
 0.0004
P9100 GitHub topic 1
 0.0004
P3221 New York Times topic ID 1
 0.0004
P4028 Google Scholar paper ID 1
 0.0004
P675 Google Books ID 3
 0.0004
P6900 NicoNicoPedia ID 1
 0.0004
P6573 Klexikon article ID 1
 0.0004
P1438 Jewish Encyclopedia ID (Russian) 1
 0.0004
P212 ISBN-13 23
 0.0003
P3847 Open Library subject ID 1
 0.0003
P8885 Namuwiki ID 1
 0.0003
P5002 Orthodox Encyclopedia ID 1
 0.0003
P8514 TOPCMB ID 1
 0.0003
P1256 Iconclass notation 1
 0.0003
P7314 TDV İslam Ansiklopedisi ID 1
 0.0003
P5198 ASC Leiden Thesaurus ID 1
 0.0003
P5571 NooSFere book ID 1
 0.0003
P7439 FantLab work ID 1
 0.0002
P1085 LibraryThing work ID 1
 0.0002
P6058 Larousse ID 1
 0.0002
P7749 Nomenclature for Museum Cataloging 1
 0.0002
P1036 Dewey Decimal Classification 1
 0.0002
P1051 PSH ID 1
 0.0002
P6385 Krugosvet article 1
 0.0002
P2191 Vegetti Catalog of Fantastic Literature NILF ID 1
 0.0002