Triple
T281057
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | J |
E5354
|
entity |
| Predicate | usesRollingStock |
P5426
|
FINISHED |
| Object | R160 subway cars |
E36417
|
NE FINISHED |
How this triple was built (2 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: R160 subway cars | Statement: [J, usesRollingStock, R160 subway cars]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: R160 subway cars Context triple: [J, usesRollingStock, R160 subway cars]
-
A.
R160 subway cars
chosen
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.
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.
-
E.
MBTA Type 9 Light Rail Vehicle
The MBTA Type 9 Light Rail Vehicle is a modern, low-floor streetcar used on Boston’s Green Line that features improved accessibility, passenger comfort, and energy efficiency compared to earlier MBTA light rail fleets.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69a257e6c8788190987dfe705ca2912a |
completed | Feb. 28, 2026, 2:50 a.m. |
| NER | Named-entity recognition | batch_69a25e0a23c0819083abee28b2dea49c |
completed | Feb. 28, 2026, 3:16 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a39d04650c8190bda8f1b982c645df |
completed | March 1, 2026, 1:57 a.m. |
Created at: Feb. 28, 2026, 2:59 a.m.