MARTA color-based naming scheme
E499438
The MARTA color-based naming scheme is a system adopted by Atlanta's transit agency to identify its rail lines using distinct color names instead of older letter or destination-based designations.
All labels observed (1)
| Label | Occurrences |
|---|---|
| MARTA color-based naming scheme canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5173778 — 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: MARTA color-based naming scheme Context triple: [Gold Line (MARTA), lineDesignationIntroducedBy, MARTA color-based naming scheme]
-
A.
MARTA Breeze fare system
The MARTA Breeze fare system is the electronic ticketing and payment platform used by Atlanta’s public transit network, enabling riders to pay fares via smart cards and mobile devices.
-
B.
MTA Graphics Standard signage
MTA Graphics Standard signage is the unified visual design system used across New York City’s subway and transit network, featuring consistent typography, colors, and symbols to guide passengers.
-
C.
Blue for Blue Route
Blue for Blue Route is the blue color designation used to identify the Blue Route line on the Sheffield Supertram network.
-
D.
MARTA rail stations
MARTA rail stations are the train stops and transit hubs of Atlanta’s Metropolitan Atlanta Rapid Transit Authority rail system.
-
E.
MARTA heavy rail cars
MARTA heavy rail cars are electric multiple-unit subway trains used to provide rapid transit service on Atlanta’s Metropolitan Atlanta Rapid Transit Authority rail system.
- 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: MARTA color-based naming scheme Target entity description: The MARTA color-based naming scheme is a system adopted by Atlanta's transit agency to identify its rail lines using distinct color names instead of older letter or destination-based designations.
-
A.
MARTA Breeze fare system
The MARTA Breeze fare system is the electronic ticketing and payment platform used by Atlanta’s public transit network, enabling riders to pay fares via smart cards and mobile devices.
-
B.
MTA Graphics Standard signage
MTA Graphics Standard signage is the unified visual design system used across New York City’s subway and transit network, featuring consistent typography, colors, and symbols to guide passengers.
-
C.
Blue for Blue Route
Blue for Blue Route is the blue color designation used to identify the Blue Route line on the Sheffield Supertram network.
-
D.
MARTA rail stations
MARTA rail stations are the train stops and transit hubs of Atlanta’s Metropolitan Atlanta Rapid Transit Authority rail system.
-
E.
MARTA heavy rail cars
MARTA heavy rail cars are electric multiple-unit subway trains used to provide rapid transit service on Atlanta’s Metropolitan Atlanta Rapid Transit Authority rail system.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
public transportation branding system
ⓘ
transit line naming scheme ⓘ |
| appliesTo |
MARTA customer information materials
ⓘ
MARTA heavy rail lines ⓘ MARTA station signage ⓘ MARTA system maps ⓘ Metropolitan Atlanta Rapid Transit Authority rail system ⓘ
linked to:
MARTA rail network
|
| associatedWith |
MARTA Blue Line
ⓘ
linked to:
Blue Line (MARTA)
MARTA Gold Line ⓘ
linked to:
Gold Line (MARTA)
MARTA Green Line ⓘ MARTA Red Line ⓘ |
| geographicScope |
MARTA rail network in DeKalb County, Georgia
ⓘ
linked to:
MARTA rail network
MARTA rail network in Fulton County, Georgia ⓘ
linked to:
MARTA rail network
|
| hasColor |
Blue Line
ⓘ
Gold Line ⓘ Green Line ⓘ Red Line ⓘ |
| implementedBy | Metropolitan Atlanta Rapid Transit Authority ⓘ |
| languageIndependent | true ⓘ |
| namingBasis |
distinct colors instead of letters
ⓘ
distinct colors instead of terminal destinations ⓘ |
| partOf | MARTA branding strategy ⓘ |
| purpose |
to improve wayfinding for riders
ⓘ
to simplify identification of MARTA rail lines ⓘ |
| replaced |
MARTA destination-based rail line designations
ⓘ
MARTA letter-based rail line designations ⓘ |
| usedFor |
digital and printed MARTA schedules
ⓘ
public announcements on MARTA rail services ⓘ |
| usedIn |
Atlanta metropolitan area
ⓘ
linked to:
Atlanta urban area
|
| uses | color names to identify rail lines ⓘ |
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: MARTA color-based naming scheme Description of subject: The MARTA color-based naming scheme is a system adopted by Atlanta's transit agency to identify its rail lines using distinct color names instead of older letter or destination-based designations.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Gold Line