IRT Division
E1967
The IRT Division is one of the original operating divisions of the New York City Subway, historically derived from the Interborough Rapid Transit Company and encompassing the system’s numbered subway lines.
All labels observed (6)
| Label | Occurrences |
|---|---|
| IRT Division canonical | 25 |
| A Division (IRT) | 4 |
| B Division | 1 |
| IRT | 1 |
| IRT A Division network | 1 |
| IRT division | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T23928 — 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: IRT Division Context triple: [New York City Subway, hasPart, IRT Division]
-
A.
Directorate of Analysis
The Directorate of Analysis is the Central Intelligence Agency’s primary unit responsible for evaluating intelligence information and producing assessments to inform U.S. national security decision-making.
-
B.
Manhattan Engineer District of the U.S. Army Corps of Engineers
The Manhattan Engineer District of the U.S. Army Corps of Engineers was the wartime administrative and engineering organization that managed the United States’ top-secret effort to develop the first atomic weapons during World War II.
-
C.
Directorate of Science and Technology
The Directorate of Science and Technology is the branch of the CIA responsible for developing and applying advanced technologies to support U.S. intelligence collection and analysis.
-
D.
Directorate of Digital Innovation
The Directorate of Digital Innovation is a branch of the CIA responsible for advancing and integrating cutting-edge digital, cyber, and data capabilities into U.S. intelligence operations.
-
E.
Cybersecurity and Infrastructure Security Agency
The Cybersecurity and Infrastructure Security Agency (CISA) is a U.S. federal agency responsible for enhancing the security, resilience, and reliability of the nation’s cybersecurity and critical infrastructure.
- 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: IRT Division Target entity description: The IRT Division is one of the original operating divisions of the New York City Subway, historically derived from the Interborough Rapid Transit Company and encompassing the system’s numbered subway lines.
-
A.
Directorate of Analysis
The Directorate of Analysis is the Central Intelligence Agency’s primary unit responsible for evaluating intelligence information and producing assessments to inform U.S. national security decision-making.
-
B.
DNI
DNI is the commonly used acronym for the Director of National Intelligence, the head of the U.S. intelligence community.
-
C.
Manhattan Engineer District of the U.S. Army Corps of Engineers
The Manhattan Engineer District of the U.S. Army Corps of Engineers was the wartime administrative and engineering organization that managed the United States’ top-secret effort to develop the first atomic weapons during World War II.
-
D.
Directorate of Science and Technology
The Directorate of Science and Technology is the branch of the CIA responsible for developing and applying advanced technologies to support U.S. intelligence collection and analysis.
-
E.
Directorate of Digital Innovation
The Directorate of Digital Innovation is a branch of the CIA responsible for advancing and integrating cutting-edge digital, cyber, and data capabilities into U.S. intelligence operations.
- F. None of above. chosen
Statements (51)
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: IRT Division Description of subject: The IRT Division is one of the original operating divisions of the New York City Subway, historically derived from the Interborough Rapid Transit Company and encompassing the system’s numbered subway lines.
Referenced by (33)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
B Division
this entity surface form:
IRT
this entity surface form:
A Division (IRT)
this entity surface form:
IRT A Division network
this entity surface form:
A Division (IRT)
this entity surface form:
A Division (IRT)
this entity surface form:
IRT division
subject surface form:
IRT Flushing Line
this entity surface form:
A Division (IRT)
Pacific Street (former name of part of Atlantic Avenue–Barclays Center)
→
lineGroup
→
IRT Division
ⓘ
subject surface form:
Pacific Street