IND system
E711572
The IND system is a major division of the New York City Subway, originally built as the city-owned Independent Subway System and now encompassing numerous lines and services across the network.
All labels observed (1)
| Label | Occurrences |
|---|---|
| IND system canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8102744 — 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: IND system Context triple: [Concourse Line, partOf, IND system]
-
A.
ISD
ISD is the abbreviated name for the Intelligence and Security Division, a governmental body responsible for intelligence gathering and national security functions.
-
B.
IDIS
IDIS is a U.S. Department of Housing and Urban Development (HUD) information and financial management system used to plan, track, and report on the use of federal community development and housing funds.
-
C.
INS
INS was the former U.S. federal agency responsible for administering and enforcing immigration and naturalization laws before its functions were transferred to the Department of Homeland Security.
-
D.
Integrated Disbursement and Information System
The Integrated Disbursement and Information System (IDIS) is HUD’s primary online platform used by grantees to plan, draw down, and track federal housing and community development funds and project performance.
-
E.
ISA
ISA is the standard abbreviation for an International Searching Authority, a patent office designated to conduct international prior art searches under the Patent Cooperation Treaty (PCT).
- 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: IND system Target entity description: The IND system is a major division of the New York City Subway, originally built as the city-owned Independent Subway System and now encompassing numerous lines and services across the network.
-
A.
ISD
ISD is the abbreviated name for the Intelligence and Security Division, a governmental body responsible for intelligence gathering and national security functions.
-
B.
IDIS
IDIS is a U.S. Department of Housing and Urban Development (HUD) information and financial management system used to plan, track, and report on the use of federal community development and housing funds.
-
C.
INS
INS was the former U.S. federal agency responsible for administering and enforcing immigration and naturalization laws before its functions were transferred to the Department of Homeland Security.
-
D.
Integrated Disbursement and Information System
The Integrated Disbursement and Information System (IDIS) is HUD’s primary online platform used by grantees to plan, draw down, and track federal housing and community development funds and project performance.
-
E.
ISA
ISA is the standard abbreviation for an International Searching Authority, a patent office designated to conduct international prior art searches under the Patent Cooperation Treaty (PCT).
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
division of the New York City Subway
ⓘ
rapid transit system ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| designStandard |
longer platforms than IRT division
ⓘ
wider cars than IRT division ⓘ |
| divisionCode | IND ⓘ |
| electrification | 600 V DC third rail ⓘ |
| fareControl | unified with IRT and BMT after 1940 ⓘ |
| firstSectionOpenedBetween | 193rd Street and Chambers Street ⓘ |
| fullName |
Independent Subway System
ⓘ
linked to:
Independent Subway System (IND)
|
| historicalContext | built to compete with IRT and BMT ⓘ |
| historicalStatus | originally a separate system before unification ⓘ |
| inception | 1932 ⓘ |
| lineIncludes |
IND 63rd Street Line
ⓘ
IND Archer Avenue Line ⓘ
linked to:
Archer Avenue Line
IND Concourse Line ⓘ IND Crosstown Line ⓘ IND Culver Line ⓘ
linked to:
IND Culver Line (subway portion)
IND Eighth Avenue Line ⓘ
linked to:
New York City Subway IND Eighth Avenue Line
IND Fulton Street Line ⓘ
linked to:
Fulton Street Line (IND)
IND Queens Boulevard Line ⓘ IND Rockaway Line ⓘ
linked to:
IND Rockaway Line (subway portion)
IND Sixth Avenue Line ⓘ |
| locatedIn |
New York City
ⓘ
New York State ⓘ |
| mergedWith |
BMT system
ⓘ
IRT system ⓘ |
| mergerDate | 1940 ⓘ |
| networkRole | forms the majority of lettered services in NYC Subway ⓘ |
| openedLine |
IND Eighth Avenue Line
ⓘ
linked to:
New York City Subway IND Eighth Avenue Line
|
| operator | New York City Transit Authority ⓘ |
| owner |
City of New York
ⓘ
linked to:
New York City
|
| partOf | New York City Subway ⓘ |
| purpose | to provide a city-owned alternative to private subway operators ⓘ |
| rollingStockCompatibleWith |
BMT division
ⓘ
linked to:
BMT Division
|
| servicePatternIncludes |
A service
ⓘ
B service ⓘ C service ⓘ D service ⓘ E service ⓘ F service ⓘ G service ⓘ M service ⓘ some rush-hour variants and shuttles ⓘ |
| serviceType |
express service
ⓘ
local service ⓘ |
| shortName | IND ⓘ |
| trackGauge | standard gauge ⓘ |
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: IND system Description of subject: The IND system is a major division of the New York City Subway, originally built as the city-owned Independent Subway System and now encompassing numerous lines and services across the network.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.