Triple
T21564899
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | ScotRail Class 385 |
E532137
|
entity |
| Predicate | family |
P566
|
FINISHED |
| Object | Hitachi A-Train |
—
|
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: Hitachi A-Train | Statement: [ScotRail Class 385, family, Hitachi A-Train]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hitachi A-Train Context triple: [ScotRail Class 385, family, Hitachi A-Train]
-
A.
Hitachi A-Train
chosen
The Hitachi A-Train is a modular family of lightweight, aluminum-bodied electric and diesel-electric multiple units designed by Hitachi for high-speed and commuter rail services worldwide.
-
B.
Hitachi EMU
Hitachi EMU is a type of electric multiple unit train manufactured by Hitachi, used for urban mass rapid transit services.
-
C.
Nagoya 5000 series trains
The Nagoya 5000 series trains are Japanese-built electric multiple units originally used in Nagoya that were later exported and adapted for service on Buenos Aires’ Line D of the underground.
-
D.
Tokyu 300 series tramcar
The Tokyu 300 series tramcar is a modern low-floor light rail vehicle used on Tokyo’s Tokyu Setagaya Line, known for its compact design and accessibility in urban street-running service.
-
E.
Tokyo Monorail 10000 series
The Tokyo Monorail 10000 series is a modern electric multiple-unit monorail train used on the Tokyo Monorail line, featuring updated interiors, improved accessibility, and energy-efficient systems for airport access services.
- 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_69e0c460db088190828c64206a450273 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69eed2e777c881908de84493fa939ff3 |
completed | April 27, 2026, 3:07 a.m. |
Created at: April 16, 2026, 6:30 p.m.