Common Access Card
E414742
The Common Access Card is a smart ID card used by the U.S. Department of Defense to provide secure identification, physical access, and authentication to government computer networks and online services.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Common Access Card canonical | 3 |
| Common Access Card system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4131089 — 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: Common Access Card Context triple: [milConnect, authenticationMethod, Common Access Card]
-
A.
EasyCard
EasyCard is a rechargeable contactless smart card widely used in Taipei and other parts of Taiwan for public transportation fares and small-value retail payments.
-
B.
Freedom Card smart card
The Freedom Card smart card is a contactless fare payment card used by riders of the PATCO Speedline rapid transit system in the Philadelphia–South Jersey region.
-
C.
Clipper card
The Clipper card is a reloadable contactless smart card used to pay fares across multiple public transit systems in the San Francisco Bay Area.
-
D.
OPUS card
The OPUS card is a reusable, contactless smart card used for public transit fare payment across the greater Montreal area and other regions in Quebec.
-
E.
SEPTA Key
SEPTA Key is a contactless smart fare card and payment system used across Philadelphia’s SEPTA public transit network.
- 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: Common Access Card Target entity description: The Common Access Card is a smart ID card used by the U.S. Department of Defense to provide secure identification, physical access, and authentication to government computer networks and online services.
-
A.
EasyCard
EasyCard is a rechargeable contactless smart card widely used in Taipei and other parts of Taiwan for public transportation fares and small-value retail payments.
-
B.
Freedom Card smart card
The Freedom Card smart card is a contactless fare payment card used by riders of the PATCO Speedline rapid transit system in the Philadelphia–South Jersey region.
-
C.
Clipper card
The Clipper card is a reloadable contactless smart card used to pay fares across multiple public transit systems in the San Francisco Bay Area.
-
D.
OPUS card
The OPUS card is a reusable, contactless smart card used for public transit fare payment across the greater Montreal area and other regions in Quebec.
-
E.
SEPTA Key
SEPTA Key is a contactless smart fare card and payment system used across Philadelphia’s SEPTA public transit network.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
authentication token
ⓘ
identification card ⓘ smart card ⓘ |
| alsoKnownAs | CAC ⓘ |
| authenticationFactor |
something you have
ⓘ
something you know ⓘ |
| authenticationMethod | two‑factor authentication ⓘ |
| compliesWith | Homeland Security Presidential Directive 12 ⓘ |
| contains |
DoD ID number
ⓘ
cardholder name ⓘ cardholder photograph ⓘ expiration date ⓘ organizational affiliation ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| hasComponent |
bar code
ⓘ
contact smart card interface ⓘ embedded microprocessor ⓘ magnetic stripe ⓘ personal identification number ⓘ printed photograph ⓘ |
| introducedBy |
United States Department of Defense
ⓘ
linked to:
Department of Defense
|
| issuer |
United States Department of Defense
ⓘ
linked to:
Department of Defense
|
| managedBy | Defense Manpower Data Center ⓘ |
| purpose |
data encryption
ⓘ
digital signature ⓘ logical access to computer networks ⓘ non‑repudiation ⓘ physical access control ⓘ secure identification ⓘ user authentication ⓘ |
| replaced | legacy paper and plastic ID cards ⓘ |
| sector | defense ⓘ |
| securityFeature |
PIN protection
ⓘ
cryptographic keys ⓘ digital certificates ⓘ |
| standard | FIPS 201 ⓘ |
| technology |
integrated circuit chip
ⓘ
public key infrastructure ⓘ |
| usedBy |
DoD civilian employees
ⓘ
DoD contractors ⓘ U.S. military personnel ⓘ United States Department of Defense ⓘ
linked to:
Department of Defense
|
| usedFor |
access to DoD computer networks
ⓘ
access to DoD email systems ⓘ access to controlled buildings ⓘ access to military installations ⓘ access to secure web portals ⓘ encrypting email ⓘ signing electronic documents ⓘ |
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: Common Access Card Description of subject: The Common Access Card is a smart ID card used by the U.S. Department of Defense to provide secure identification, physical access, and authentication to government computer networks and online services.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.