Triple
T13455627
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | R-46 |
E311223
|
entity |
| Predicate | controlSystem |
P840
|
FINISHED |
| Object |
Westinghouse XA traction control (as built)
Westinghouse XA traction control (as built) is an original Westinghouse-designed propulsion and traction control system used on the R46 New York City Subway cars to manage their acceleration, braking, and overall power delivery.
|
E1041507
|
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: Westinghouse XA traction control (as built) | Statement: [R-46, controlSystem, Westinghouse XA traction control (as built)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Westinghouse XA traction control (as built) Context triple: [R-46, controlSystem, Westinghouse XA traction control (as built)]
-
A.
Westinghouse air brake system
The Westinghouse air brake system is a pioneering railway braking technology that greatly improved the safety and control of trains by using compressed air to apply brakes simultaneously across all cars.
-
B.
GTE Automatic Electric
GTE Automatic Electric was a major U.S. telecommunications equipment manufacturer known for producing telephone switching systems and related hardware, particularly for independent telephone companies.
-
C.
Rock-Trac 4x4 system
The Rock-Trac 4x4 system is Jeep’s heavy-duty off-road four-wheel-drive setup known for its low-range gearing, enhanced traction, and rugged capability on challenging terrain.
-
D.
ADtranz
ADtranz was a major European rail engineering company known for designing and manufacturing locomotives, multiple units, and other railway rolling stock before its acquisition by Bombardier.
-
E.
Westinghouse XCA248
Westinghouse XCA248 is a Westinghouse-designed railway signaling and train control system component used for managing and automating rail traffic operations.
- 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: Westinghouse XA traction control (as built) Triple: [R-46, controlSystem, Westinghouse XA traction control (as built)]
Generated description
Westinghouse XA traction control (as built) is an original Westinghouse-designed propulsion and traction control system used on the R46 New York City Subway cars to manage their acceleration, braking, and overall power delivery.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Westinghouse XA traction control (as built) Target entity description: Westinghouse XA traction control (as built) is an original Westinghouse-designed propulsion and traction control system used on the R46 New York City Subway cars to manage their acceleration, braking, and overall power delivery.
-
A.
Westinghouse air brake system
The Westinghouse air brake system is a pioneering railway braking technology that greatly improved the safety and control of trains by using compressed air to apply brakes simultaneously across all cars.
-
B.
GTE Automatic Electric
GTE Automatic Electric was a major U.S. telecommunications equipment manufacturer known for producing telephone switching systems and related hardware, particularly for independent telephone companies.
-
C.
Rock-Trac 4x4 system
The Rock-Trac 4x4 system is Jeep’s heavy-duty off-road four-wheel-drive setup known for its low-range gearing, enhanced traction, and rugged capability on challenging terrain.
-
D.
ADtranz
ADtranz was a major European rail engineering company known for designing and manufacturing locomotives, multiple units, and other railway rolling stock before its acquisition by Bombardier.
-
E.
Westinghouse XCA248
Westinghouse XCA248 is a Westinghouse-designed railway signaling and train control system component used for managing and automating rail traffic operations.
- 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_69d806a938b8819097ec43a2229fc7f9 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69dbaefc52448190b30d7999f44a9765 |
completed | April 12, 2026, 2:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f7399e33008190b10c14f30ff0c0d2 |
completed | May 3, 2026, 12:03 p.m. |
| NEDg | Description generation | batch_69f73e59f4d88190b13904a347072cdd |
completed | May 3, 2026, 12:23 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f73ece474c81909007cf1330a5b8c1 |
completed | May 3, 2026, 12:25 p.m. |
Created at: April 9, 2026, 9:41 p.m.