Triple
T438347
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 1 train |
E10059
|
entity |
| Predicate | usesRollingStockType |
P1305
|
FINISHED |
| Object |
IRT A Division subway cars
IRT A Division subway cars are the narrower, smaller-profile New York City Subway vehicles designed to operate on the numbered lines of the system.
|
E55340
|
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: IRT A Division subway cars | Statement: [1 train, usesRollingStockType, IRT A Division subway cars]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: IRT A Division subway cars Context triple: [1 train, usesRollingStockType, IRT A Division subway cars]
-
A.
R160 subway cars
The R160 subway cars are a class of modern New Technology Train rolling stock used on various New York City Subway lines, featuring electronic signage, automated announcements, and improved accessibility and reliability compared to older fleets.
-
B.
R179 subway cars
The R179 subway cars are a modern class of stainless-steel New York City Subway rolling stock built by Bombardier for the B Division lines, featuring updated technology and improved passenger amenities.
-
C.
Mark VI monorail trains
Mark VI monorail trains are a fleet of streamlined, automated monorail vehicles introduced in the late 1980s that serve as the primary passenger trains for the Walt Disney World Resort’s elevated transit system.
-
D.
Independent Subway System (IND)
The Independent Subway System (IND) was New York City's municipally built and operated subway network, created in the early 20th century to compete with and eventually replace the privately run IRT and BMT lines.
-
E.
Superliner bi-level cars
Superliner bi-level cars are double-decker passenger railcars used by Amtrak on long-distance routes, designed to provide increased capacity and enhanced comfort for overnight and scenic train travel.
- 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: IRT A Division subway cars Triple: [1 train, usesRollingStockType, IRT A Division subway cars]
Generated description
IRT A Division subway cars are the narrower, smaller-profile New York City Subway vehicles designed to operate on the numbered lines of the system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: IRT A Division subway cars Target entity description: IRT A Division subway cars are the narrower, smaller-profile New York City Subway vehicles designed to operate on the numbered lines of the system.
-
A.
R160 subway cars
The R160 subway cars are a class of modern New Technology Train rolling stock used on various New York City Subway lines, featuring electronic signage, automated announcements, and improved accessibility and reliability compared to older fleets.
-
B.
R179 subway cars
The R179 subway cars are a modern class of stainless-steel New York City Subway rolling stock built by Bombardier for the B Division lines, featuring updated technology and improved passenger amenities.
-
C.
Mark VI monorail trains
Mark VI monorail trains are a fleet of streamlined, automated monorail vehicles introduced in the late 1980s that serve as the primary passenger trains for the Walt Disney World Resort’s elevated transit system.
-
D.
Independent Subway System (IND)
The Independent Subway System (IND) was New York City's municipally built and operated subway network, created in the early 20th century to compete with and eventually replace the privately run IRT and BMT lines.
-
E.
Superliner bi-level cars
Superliner bi-level cars are double-decker passenger railcars used by Amtrak on long-distance routes, designed to provide increased capacity and enhanced comfort for overnight and scenic train travel.
- F. None of above. chosen
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_69a2e8465ef481909655c681b01e2986 |
completed | Feb. 28, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69a2ef283be881909444aaf257451747 |
completed | Feb. 28, 2026, 1:35 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a4366eb0588190beb5c43828f8ca45 |
completed | March 1, 2026, 12:51 p.m. |
| NEDg | Description generation | batch_69a436c6f1a0819086f8d8f12bc82e87 |
completed | March 1, 2026, 12:53 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a4379eee248190a417b81afbb403ae |
completed | March 1, 2026, 12:57 p.m. |
Created at: Feb. 28, 2026, 1:11 p.m.