A
E507286
A is the letter designation for one of the primary services on the New York City Subway system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| A canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T5263937 — 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: A Context triple: [New York City Subway A line, letterDesignation, A]
-
A.
A
A is a Los Angeles Metro Rail line that runs along the Blue Line corridor, connecting downtown Los Angeles with surrounding communities.
-
B.
Aa
The Aa is a small river in the Dutch province of North Brabant that flows through agricultural and rural landscapes before joining larger waterways.
-
C.
3A
3A is a highway designation used for several auxiliary or alternate routes of U.S. Route 3 and related highways in New England.
-
D.
AB
AB is the official two-letter Canada Post abbreviation used to designate the province of Alberta in mailing addresses.
-
E.
AB
AB is the commonly used abbreviation for Hungary’s Constitutional Court, the country’s highest body for constitutional review.
- 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: A Target entity description: A is the letter designation for one of the primary services on the New York City Subway system.
-
A.
A
A is a Los Angeles Metro Rail line that runs along the Blue Line corridor, connecting downtown Los Angeles with surrounding communities.
-
B.
Aa
The Aa is a small river in the Dutch province of North Brabant that flows through agricultural and rural landscapes before joining larger waterways.
-
C.
3A
3A is a highway designation used for several auxiliary or alternate routes of U.S. Route 3 and related highways in New England.
-
D.
AB
AB is the official two-letter Canada Post abbreviation used to designate the province of Alberta in mailing addresses.
-
E.
AB
AB is the commonly used abbreviation for Hungary’s Constitutional Court, the country’s highest body for constitutional review.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
New York City Subway service
ⓘ
rapid transit service ⓘ |
| boroughServed |
Brooklyn
ⓘ
Manhattan ⓘ Queens NERFINISHED ⓘ The Bronx NERFINISHED ⓘ |
| color | blue ⓘ |
| connectsBoroughs |
Manhattan–Brooklyn
NERFINISHED
ⓘ
Manhattan–Queens NERFINISHED ⓘ Queens–Brooklyn NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| division | IND Division ⓘ |
| fareSystem | MTA New York City Subway fare system ⓘ |
| hasRollingStockType |
R160 subway car
NERFINISHED
ⓘ
R46 subway car NERFINISHED ⓘ R68 subway car NERFINISHED ⓘ |
| hasServiceDesignation | A train ⓘ |
| hasSymbolShape | circle ⓘ |
| isExpressOn |
Eighth Avenue Line
NERFINISHED
ⓘ
Fulton Street Line NERFINISHED ⓘ |
| isLocalOn | Rockaway Line NERFINISHED ⓘ |
| locale | New York City NERFINISHED ⓘ |
| nightServicePattern |
local in Brooklyn
ⓘ
local in Manhattan ⓘ local in Queens ⓘ |
| operator |
Metropolitan Transportation Authority
ⓘ
New York City Transit Authority NERFINISHED ⓘ |
| serviceFamily | IND Eighth Avenue services NERFINISHED ⓘ |
| serviceFrequency | 24-hour service ⓘ |
| serviceLetter | A ⓘ |
| servicePattern |
express in Brooklyn
ⓘ
express in Manhattan ⓘ local in Queens ⓘ |
| serviceType | express service ⓘ |
| symbolTextColor | white ⓘ |
| system | New York City Subway ⓘ |
| trunkLineInManhattan | Eighth Avenue Line NERFINISHED ⓘ |
| usesInfrastructure |
IND Concourse Line
NERFINISHED
ⓘ
IND Eighth Avenue Line NERFINISHED ⓘ IND Fulton Street Line NERFINISHED ⓘ IND Rockaway Line NERFINISHED ⓘ |
| usesLineColorOf | IND Eighth Avenue Line NERFINISHED ⓘ |
| usualNorthernTerminal | Inwood–207th Street NERFINISHED ⓘ |
| usualSouthernTerminal |
Far Rockaway–Mott Avenue
NERFINISHED
ⓘ
Rockaway Park–Beach 116th Street NERFINISHED ⓘ |
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: A Description of subject: A is the letter designation for one of the primary services on the New York City Subway system.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.