As of 2019-08-05, the Wikidata property NPCA ID (P3515) is used on 430 items.

Closest properties: by cardinality of intersection, by Jaccard index.

Display properties of the following types:                                    

Closest properties by cardinality of intersection

IDLabelIntersection cardinalityJaccard index
P3516 National Park Foundation ID 411
0.9195
P4083 NPS unit ID 405
0.8617
P3609 Recreation.gov gateway ID 398
0.1537
P1566 GeoNames ID 376
0.0001
P244 Library of Congress authority ID 243
0.0002
P649 NRHP reference number 229
0.0041
P590 GNIS ID 227
0.0004
P646 Freebase ID 203
0.0002
P1417 Encyclopædia Britannica Online ID 200
0.0012
P214 VIAF ID 191
0.0001
P809 WDPA ID 169
0.0043
P4170 eParks unit ID 151
0.3409
P1225 US National Archives Identifier 126
0.0006
P402 OSM relation ID 115
0.0012
P1667 TGN ID 75
0.0032
P2002 Twitter username 69
0.0004
P227 GND ID 67
0.0001
P3417 Quora topic ID 52
0.0003
P2003 Instagram username 46
0.0009
P998 DMOZ ID 43
0.0037
P3348 National Library of Greece ID 41
0.0026
P2013 Facebook ID 40
0.0004
P5827 National Trust for Historic Preservation ID 36
0.0545
P5200 eBird hotspot ID 35
0.0682
P5383 archINFORM project ID 35
0.0011
P4173 Instagram location ID 32
0.0207
P5573 archINFORM location ID 31
0.0008
P3309 SummitPost mountain ID 29
0.0187
P2581 BabelNet ID 29
0.0005
P213 ISNI 28
0.0000
P6006 Museum Universe Data File ID 25
0.0383
P3134 TripAdvisor ID 24
0.0067
P269 SUDOC authorities ID 24
0.0001
P3108 Yelp ID 22
0.0151
P1968 Foursquare venue ID 22
0.0105
P4977 IDA place ID 19
0.0406
P3267 Flickr user ID 19
0.0138
P3500 Ringgold ID 19
0.0004
P7102 Grand Canyon Trust ID 18
0.0373
P757 World Heritage Site ID 14
0.0023
P4986 Routard.com place ID 10
0.0207
P4161 Michelin Voyages ID 10
0.0162
P4725 C-SPAN organization ID 7
0.0074
P5905 Comic Vine ID 7
0.0005
P4182 National Natural Landmarks site ID 6
0.0059
P4190 Rivers.gov protected area ID 5
0.0107
P4702 Google Arts & Culture partner ID 5
0.0064
P6016 Tennessee Encyclopedia ID 5
0.0056
P4146 Athenaeum museum ID 5
0.0029
P1004 MusicBrainz place ID 5
0.0007

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P3516 National Park Foundation ID 411
0.9195
P4083 NPS unit ID 405
0.8617
P4170 eParks unit ID 151
0.3409
P3609 Recreation.gov gateway ID 398
0.1537
P5200 eBird hotspot ID 35
0.0682
P5827 National Trust for Historic Preservation ID 36
0.0545
P4977 IDA place ID 19
0.0406
P6006 Museum Universe Data File ID 25
0.0383
P7102 Grand Canyon Trust ID 18
0.0373
P4173 Instagram location ID 32
0.0207
P4986 Routard.com place ID 10
0.0207
P3309 SummitPost mountain ID 29
0.0187
P4161 Michelin Voyages ID 10
0.0162
P3108 Yelp ID 22
0.0151
P3267 Flickr user ID 19
0.0138
P4190 Rivers.gov protected area ID 5
0.0107
P1968 Foursquare venue ID 22
0.0105
P4725 C-SPAN organization ID 7
0.0074
P7129 PEPC park ID 3
0.0070
P3134 TripAdvisor ID 24
0.0067
P5904 ASCE Historical Civil Engineering Landmark ID 4
0.0066
P4702 Google Arts & Culture partner ID 5
0.0064
P4182 National Natural Landmarks site ID 6
0.0059
P6016 Tennessee Encyclopedia ID 5
0.0056
P4172 America's Byways road ID 3
0.0052
P6842 Campendium ID 2
0.0046
P809 WDPA ID 169
0.0043
P649 NRHP reference number 229
0.0041
P4356 Megalithic Portal ID 2
0.0040
P998 DMOZ ID 43
0.0037
P1667 TGN ID 75
0.0032
P4146 Athenaeum museum ID 5
0.0029
P3348 National Library of Greece ID 41
0.0026
P757 World Heritage Site ID 14
0.0023
P6012 California Office of Historic Preservation ID 2
0.0023
P4273 New York City Landmarks Preservation Commission ID 1
0.0022
P5835 World Travel Awards ID 1
0.0021
P3518 Smithsonian trinomial 1
0.0021
P4592 Mountain Project ID 1
0.0021
P4171 World Heritage Tentative List ID 4
0.0020
P5981 Encyclopedia Virginia ID 2
0.0020
P3308 lib.reviews ID 1
0.0018
P2525 Ramsar Sites Information Service ID 2
0.0018
P4903 New Georgia Encyclopedia ID 3
0.0016
P1669 CONA ID 1
0.0015
P1417 Encyclopædia Britannica Online ID 200
0.0012
P6010 Encyclopedia of Alabama ID 1
0.0012
P402 OSM relation ID 115
0.0012
P5383 archINFORM project ID 35
0.0011
P3711 Vanderkrogt.net Statues ID 1
0.0010