Triple
T20921495
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Long Island Rail Road rolling stock |
E515218
|
entity |
| Predicate | includesRollingStockSeries |
P5426
|
FINISHED |
| Object | C3 bilevel coach |
—
|
NE NERFINISHED |
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: C3 bilevel coach | Statement: [Long Island Rail Road rolling stock, includesRollingStockSeries, C3 bilevel coach]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: C3 bilevel coach Context triple: [Long Island Rail Road rolling stock, includesRollingStockSeries, C3 bilevel coach]
-
A.
Bombardier BiLevel Coach
chosen
The Bombardier BiLevel Coach is a double-decker commuter rail car widely used across North America to increase passenger capacity on regional and suburban train services.
-
B.
Kawasaki bi-level coach
The Kawasaki bi-level coach is a double-decker commuter rail passenger car built by Kawasaki Heavy Industries and widely used on systems such as the MBTA Commuter Rail to increase capacity.
-
C.
Rotem bi-level coach
The Rotem bi-level coach is a double-decker commuter rail passenger car built by Hyundai Rotem to increase capacity and comfort on services such as the MBTA Commuter Rail.
-
D.
CAF Mark 5 sleeping coaches
CAF Mark 5 sleeping coaches are modern, purpose-built overnight train carriages designed by Construcciones y Auxiliar de Ferrocarriles (CAF) to provide upgraded sleeper accommodation and amenities on long-distance services in the UK.
-
E.
Intercity double-deck coaches
Intercity double-deck coaches are long-distance, bi-level passenger railcars used in Germany to provide higher-capacity, comfortable Intercity services on busy routes.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0b4f9d5ec8190bb2bd27350ed341c |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6f64e56bc81908aa86f2176fcc0db |
completed | April 21, 2026, 4 a.m. |
Created at: April 16, 2026, 12:48 p.m.