As of 2022-03-07, the Wikidata property Library of Congress Format Description Document ID (P3266) is used on 197 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 195
 0.0000
P1195 file extension 150
 0.0127
P1163 media type 120
 0.0153
P178 developer 112
 0.0027
P2748 PRONOM file format identifier 110
 0.0595
P646 Freebase ID 92
 0.0000
P3381 File Format Wiki page ID 88
 0.0300
P973 described at URL 85
 0.0001
P1343 described by source 61
 0.0001
P4152 file format identification pattern 59
 0.0063
P361 part of 53
 0.0000
P144 based on 51
 0.0011
P6366 Microsoft Academic ID 49
 0.0002
P577 publication date 43
 0.0000
P1365 replaces 38
 0.0007
P856 official website 37
 0.0000
P1482 Stack Exchange tag 36
 0.0098
P366 has use 36
 0.0005
P279 subclass of 32
 0.0000
P527 has part or parts 29
 0.0000
P3641 Uniform Type Identifier 28
 0.0903
P1366 replaced by 26
 0.0004
P3417 Quora topic ID 25
 0.0001
P503 ISO standard 21
 0.0257
P393 edition number 21
 0.0002
P3553 Zhihu topic ID 20
 0.0014
P629 edition or translation of 20
 0.0002
P1889 different from 20
 0.0000
P571 inception 20
 0.0000
P373 Commons category 20
 0.0000
P9100 GitHub topic 16
 0.0061
P348 software version identifier 16
 0.0006
P154 logo image 16
 0.0002
P4839 Wolfram Language entity code 16
 0.0001
P10283 OpenAlex ID 15
 0.0001
P2888 exact match 15
 0.0000
P18 image 15
 0.0000
P4969 derivative work 14
 0.0012
P1813 short name 13
 0.0001
P2671 Google Knowledge Graph ID 13
 0.0000
P2283 uses 11
 0.0005
P910 topic's main category 11
 0.0000
P1462 standards body 10
 0.0036
P1535 used by 10
 0.0014
P1014 Art & Architecture Thesaurus ID 10
 0.0004
P138 named after 10
 0.0000
P227 GND ID 10
 0.0000
P244 Library of Congress authority ID 9
 0.0000
P2581 BabelNet ID 8
 0.0001
P268 Bibliothèque nationale de France ID 8
 0.0000

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P3641 Uniform Type Identifier 28
 0.0903
P2748 PRONOM file format identifier 110
 0.0595
P3381 File Format Wiki page ID 88
 0.0300
P9151 Can I use feature ID 7
 0.0263
P503 ISO standard 21
 0.0257
P4506 Formal Public Identifier 5
 0.0239
P4460 Kaitai Struct format gallery ID 5
 0.0222
P1163 media type 120
 0.0153
P7510 XML namespace 4
 0.0150
P1195 file extension 150
 0.0127
P3374 endianness 3
 0.0101
P1482 Stack Exchange tag 36
 0.0098
P10407 Encyclopedia of Database Systems ID 2
 0.0083
P8205 Mozilla Developer Network article 4
 0.0082
P4742 Uniform Resource Identifier Scheme 3
 0.0073
P5688 ITU-T Recommendation 4
 0.0068
P4152 file format identification pattern 59
 0.0063
P9100 GitHub topic 16
 0.0061
P8203 supported metadata 1
 0.0050
P5047 Rosetta Code ID 2
 0.0049
P5429 IPTC NewsCode 4
 0.0041
P6857 JIS standard 1
 0.0041
P1462 standards body 10
 0.0036
P3743 ITU/ISO/IEC object identifier 7
 0.0036
P2179 ACM Classification Code (2012) 2
 0.0031
P518 applies to part 1
 0.0028
P913 notation 1
 0.0028
P178 developer 112
 0.0027
P9078 Discord invite ID 1
 0.0026
P6477 does not have quality 1
 0.0021
P6009 Techopedia ID 1
 0.0020
P1246 patent number 3
 0.0017
P6611 Semantic Scholar topic ID 1
 0.0016
P1535 used by 10
 0.0014
P3553 Zhihu topic ID 20
 0.0014
P5106 Dictionary of Algorithms and Data Structures ID 1
 0.0014
P4969 derivative work 14
 0.0012
P144 based on 51
 0.0011
P1557 manifestation of 2
 0.0009
P3893 public domain date 2
 0.0008
P2209 SourceForge project 1
 0.0008
P1365 replaces 38
 0.0007
P348 software version identifier 16
 0.0006
P5398 TDKIV term ID 2
 0.0006
P2283 uses 11
 0.0005
P5555 schematic 2
 0.0005
P366 has use 36
 0.0005
P1014 Art & Architecture Thesaurus ID 10
 0.0004
P2910 icon 1
 0.0004
P2037 GitHub username 3
 0.0004