Triple
T97697
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | IND Division |
E1968
|
entity |
| Predicate | fullName |
P16
|
FINISHED |
| Object |
Independent Subway System Division
The Independent Subway System Division was a major component of New York City's subway network, originally operating as the city-owned IND lines before their integration into the unified transit system.
|
E474
|
NE FINISHED |
How this triple was built (4 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Independent Subway System Division | Statement: [IND Division, fullName, Independent Subway System Division]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Independent Subway System Division Context triple: [IND Division, fullName, Independent Subway System Division]
-
A.
New York City Subway
The New York City Subway is one of the world’s largest and busiest rapid transit systems, serving the five boroughs of New York City with extensive 24/7 underground and elevated rail service.
-
B.
Metropolitan Transportation Authority
The Metropolitan Transportation Authority is the public agency responsible for operating and overseeing much of the mass transit and commuter rail systems in the New York City metropolitan area.
-
C.
AeroTrain
AeroTrain is an automated underground people mover system that transports passengers between terminals at Washington Dulles International Airport.
-
D.
Cubic Transportation Systems
Cubic Transportation Systems is a company specializing in automated fare collection and intelligent transportation solutions for public transit systems worldwide.
-
E.
Los Angeles Metro Rail
Los Angeles Metro Rail is a rapid transit system serving Los Angeles County, California, consisting of multiple light rail and subway lines that connect key neighborhoods, business districts, and regional destinations.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Independent Subway System Division Triple: [IND Division, fullName, Independent Subway System Division]
Generated description
The Independent Subway System Division was a major component of New York City's subway network, originally operating as the city-owned IND lines before their integration into the unified transit system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Independent Subway System Division Target entity description: The Independent Subway System Division was a major component of New York City's subway network, originally operating as the city-owned IND lines before their integration into the unified transit system.
-
A.
New York City Subway
chosen
The New York City Subway is one of the world’s largest and busiest rapid transit systems, serving the five boroughs of New York City with extensive 24/7 underground and elevated rail service.
-
B.
Metropolitan Transportation Authority
The Metropolitan Transportation Authority is the public agency responsible for operating and overseeing much of the mass transit and commuter rail systems in the New York City metropolitan area.
-
C.
AeroTrain
AeroTrain is an automated underground people mover system that transports passengers between terminals at Washington Dulles International Airport.
-
D.
Cubic Transportation Systems
Cubic Transportation Systems is a company specializing in automated fare collection and intelligent transportation solutions for public transit systems worldwide.
-
E.
Los Angeles Metro Rail
Los Angeles Metro Rail is a rapid transit system serving Los Angeles County, California, consisting of multiple light rail and subway lines that connect key neighborhoods, business districts, and regional destinations.
- F. None of above.
Provenance (5 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69a24d4862f881908cc8b89d3a78031d |
completed | Feb. 28, 2026, 2:04 a.m. |
| NER | Named-entity recognition | batch_69a24feef1b08190bb9525f71cce053e |
completed | Feb. 28, 2026, 2:16 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a284fd52f08190b264937658192e79 |
completed | Feb. 28, 2026, 6:02 a.m. |
| NEDg | Description generation | batch_69a289412840819099a731a601d923e2 |
completed | Feb. 28, 2026, 6:20 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a2900e6b908190b048ab21595172a5 |
completed | Feb. 28, 2026, 6:49 a.m. |
Created at: Feb. 28, 2026, 2:09 a.m.