As of 2019-05-13, 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 412
0.9238
P4083 NPS unit ID 404
0.8596
P3609 Recreation.gov gateway ID 397
0.1533
P1566 GeoNames ID 374
0.0001
P244 Library of Congress authority ID 242
0.0002
P649 NRHP reference number 229
0.0041
P590 GNIS ID 227
0.0004
P646 Freebase ID 204
0.0002
P1417 Encyclopædia Britannica Online ID 197
0.0013
P214 VIAF ID 191
0.0001
P809 WDPA ID 167
0.0043
P4170 eParks unit ID 151
0.3409
P1225 US National Archives Identifier 126
0.0040
P402 OSM relation ID 111
0.0012
P1667 TGN ID 75
0.0033
P227 GND ID 69
0.0001
P2002 Twitter username 68
0.0004
P3417 Quora topic ID 51
0.0003
P2003 Instagram username 46
0.0011
P998 DMOZ ID 44
0.0038
P3348 National Library of Greece ID 41
0.0027
P2013 Facebook ID 39
0.0005
P5200 eBird hotspot ID 36
0.0721
P5827 National Trust for Historic Preservation ID 35
0.0565
P4173 Instagram location ID 32
0.0240
P5383 archINFORM project ID 32
0.0010
P5573 archINFORM location ID 32
0.0008
P3309 SummitPost mountain ID 29
0.0192
P2581 BabelNet ID 28
0.0005
P213 ISNI 28
0.0000
P269 SUDOC authorities ID 24
0.0001
P3134 TripAdvisor ID 23
0.0072
P1968 Foursquare venue ID 22
0.0122
P3108 Yelp ID 21
0.0176
P6006 Museum Universe Data File ID 20
0.0325
P4977 IDA place ID 19
0.0406
P3267 Flickr user ID 18
0.0142
P3500 Ringgold ID 18
0.0006
P757 World Heritage Site ID 15
0.0051
P4986 Routard.com place ID 10
0.0211
P4161 Michelin Voyages ID 10
0.0165
P4725 C-SPAN organization ID 7
0.0074
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
P1004 MusicBrainz place ID 5
0.0007
P3749 Google Maps Customer ID 5
0.0005
P2924 Great Russian Encyclopedia Online ID 5
0.0001
P5904 ASCE Historical Civil Engineering Landmark ID 4
0.0066
P4171 World Heritage Tentative List ID 4
0.0040

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P3516 National Park Foundation ID 412
0.9238
P4083 NPS unit ID 404
0.8596
P4170 eParks unit ID 151
0.3409
P3609 Recreation.gov gateway ID 397
0.1533
P5200 eBird hotspot ID 36
0.0721
P5827 National Trust for Historic Preservation ID 35
0.0565
P4977 IDA place ID 19
0.0406
P6006 Museum Universe Data File ID 20
0.0325
P4173 Instagram location ID 32
0.0240
P4986 Routard.com place ID 10
0.0211
P3309 SummitPost mountain ID 29
0.0192
P3108 Yelp ID 21
0.0176
P4161 Michelin Voyages ID 10
0.0165
P3267 Flickr user ID 18
0.0142
P1968 Foursquare venue ID 22
0.0122
P4190 Rivers.gov protected area ID 5
0.0107
P4725 C-SPAN organization ID 7
0.0074
P3134 TripAdvisor ID 23
0.0072
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
P4172 America's Byways road ID 3
0.0052
P757 World Heritage Site ID 15
0.0051
P809 WDPA ID 167
0.0043
P649 NRHP reference number 229
0.0041
P4171 World Heritage Tentative List ID 4
0.0040
P1225 US National Archives Identifier 126
0.0040
P998 DMOZ ID 44
0.0038
P6016 Tennessee Encyclopedia ID 2
0.0036
P1667 TGN ID 75
0.0033
P3348 National Library of Greece ID 41
0.0027
P4146 Athenaeum museum ID 4
0.0024
P6012 California Office of Historic Preservation ID 2
0.0023
P4273 New York City Landmarks Preservation Commission ID 1
0.0022
P4592 Mountain Project ID 1
0.0022
P5835 World Travel Awards ID 1
0.0022
P3518 Smithsonian trinomial 1
0.0021
P5981 Encyclopedia Virginia ID 2
0.0020
P2525 Ramsar Sites Information Service ID 2
0.0018
P3308 lib.reviews ID 1
0.0018
P6010 Encyclopedia of Alabama ID 1
0.0017
P4903 New Georgia Encyclopedia ID 3
0.0016
P1669 CONA ID 1
0.0015
P1417 Encyclopædia Britannica Online ID 197
0.0013
P402 OSM relation ID 111
0.0012
P2003 Instagram username 46
0.0011
P5383 archINFORM project ID 32
0.0010
P3711 Vanderkrogt.net Statues ID 1
0.0010
P5818 BGCI garden ID 1
0.0008
P5573 archINFORM location ID 32
0.0008