Known Traveler Number system
E95473
The Known Traveler Number system is a U.S. trusted traveler identification program that allows pre-approved passengers to receive expedited security screening at airports.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Known Traveler Number system canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T801682 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Known Traveler Number system Context triple: [Transportation Security Administration, usesProgram, Known Traveler Number system]
-
A.
U.S. Visitor and Immigrant Status Indicator Technology
U.S. Visitor and Immigrant Status Indicator Technology (US-VISIT) is a U.S. government biometric entry–exit tracking system used to verify the identities and monitor the movements of foreign nationals entering and leaving the United States.
-
B.
Smart Traveler Enrollment Program (STEP) for U.S. citizens
The Smart Traveler Enrollment Program (STEP) is a free U.S. government service that lets American citizens register their overseas trips so they can receive safety updates and be more easily assisted by embassies and consulates in emergencies.
-
C.
United States passports
United States passports are official travel and identity documents issued to U.S. citizens that facilitate international travel and serve as proof of nationality and citizenship.
-
D.
TAP card
The TAP card is a reusable contactless smart card used to pay fares across public transit systems in the Los Angeles County region.
-
E.
International Arrivals Facility
The International Arrivals Facility is the dedicated terminal area at Ontario International Airport that processes passengers arriving on international flights, including customs and immigration services.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Known Traveler Number system Target entity description: The Known Traveler Number system is a U.S. trusted traveler identification program that allows pre-approved passengers to receive expedited security screening at airports.
-
A.
U.S. Visitor and Immigrant Status Indicator Technology
U.S. Visitor and Immigrant Status Indicator Technology (US-VISIT) is a U.S. government biometric entry–exit tracking system used to verify the identities and monitor the movements of foreign nationals entering and leaving the United States.
-
B.
Smart Traveler Enrollment Program (STEP) for U.S. citizens
The Smart Traveler Enrollment Program (STEP) is a free U.S. government service that lets American citizens register their overseas trips so they can receive safety updates and be more easily assisted by embassies and consulates in emergencies.
-
C.
United States passports
United States passports are official travel and identity documents issued to U.S. citizens that facilitate international travel and serve as proof of nationality and citizenship.
-
D.
TAP card
The TAP card is a reusable contactless smart card used to pay fares across public transit systems in the Los Angeles County region.
-
E.
International Arrivals Facility
The International Arrivals Facility is the dedicated terminal area at Ontario International Airport that processes passengers arriving on international flights, including customs and immigration services.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
airport security program
ⓘ
trusted traveler program ⓘ |
| administeredBy | Transportation Security Administration ⓘ |
| appliedDuring |
airline reservation booking
ⓘ
airport check-in ⓘ online check-in ⓘ |
| appliesTo | pre-approved passengers ⓘ |
| benefit |
keeping laptops in bags in many cases
ⓘ
keeping light jackets on during screening ⓘ keeping shoes on during screening ⓘ reduced physical screening ⓘ shorter security lines ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| dataType | alphanumeric identifier ⓘ |
| eligibilityRequirement |
application to a trusted traveler program
ⓘ
background check approval ⓘ |
| enables | access to TSA PreCheck lanes ⓘ |
| governingLawArea | U.S. transportation security ⓘ |
| identifies | Known Traveler Number ⓘ |
| implementedAs | database of enrolled travelers ⓘ |
| integratedWith |
TSA screening systems
ⓘ
linked to:
TSA PreCheck expedited screening
airline reservation systems ⓘ |
| linkedProgram |
Global Entry
ⓘ
NEXUS ⓘ SENTRI ⓘ TSA PreCheck ⓘ
linked to:
TSA Pre✓
|
| operatedBy | U.S. Department of Homeland Security ⓘ |
| output | known traveler status on boarding pass ⓘ |
| purpose |
expedited airport security screening
ⓘ
identify low-risk air travelers ⓘ |
| relatedTo |
Secure Flight
ⓘ
risk-based security screening ⓘ |
| requires |
fingerprints or biometrics in many programs
ⓘ
identity verification ⓘ |
| screeningOutcome | expedited security screening at airports ⓘ |
| sector | aviation security ⓘ |
| securityFocus | commercial air travel ⓘ |
| shortName | KTN system ⓘ |
| targetUser |
frequent travelers
ⓘ
low-risk passengers ⓘ |
| typeOfNumber | unique traveler identifier ⓘ |
| usedBy |
Secure Flight program
ⓘ
linked to:
Secure Flight
airlines ⓘ airport security checkpoints ⓘ |
| usedFor |
TSA PreCheck
ⓘ
linked to:
TSA Pre✓
other U.S. trusted traveler programs ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Known Traveler Number system Description of subject: The Known Traveler Number system is a U.S. trusted traveler identification program that allows pre-approved passengers to receive expedited security screening at airports.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.