Triple
T23324197
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hitachi A-Train |
E591241
|
entity |
| Predicate | hasVariant |
P455
|
FINISHED |
| Object | ETR 1000 |
—
|
NE NERFINISHED |
How this triple was built (3 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: ETR 1000 | Statement: [Hitachi A-Train, hasVariant, ETR 1000]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: ETR 1000 Context triple: [Hitachi A-Train, hasVariant, ETR 1000]
-
A.
ETR 500
ETR 500 is Italy’s high-speed electric train series designed for fast intercity services on the country’s dedicated high-speed rail network.
-
B.
ETR 700
ETR 700 is a class of high-speed electric multiple unit trains operated by Trenitalia for intercity and Frecciarossa services in Italy.
-
C.
ETR 450
The ETR 450 is an Italian high-speed tilting trainset introduced in the late 1980s for Trenitalia’s Eurostar services, notable as one of the first production Pendolino trains.
-
D.
ETR 600
The ETR 600 is a class of Italian high-speed tilting electric multiple unit trains used for fast intercity and international services.
-
E.
ETR 460
ETR 460 is an Italian high-speed tilting trainset used primarily for fast intercity passenger services.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: ETR 1000 Target entity description: The ETR 1000 is a high-speed Italian trainset, also known as the Frecciarossa 1000, designed for speeds up to 400 km/h and used by Trenitalia for premium long-distance services.
-
A.
ETR 500
ETR 500 is Italy’s high-speed electric train series designed for fast intercity services on the country’s dedicated high-speed rail network.
-
B.
ETR 700
ETR 700 is a class of high-speed electric multiple unit trains operated by Trenitalia for intercity and Frecciarossa services in Italy.
-
C.
ETR 450
The ETR 450 is an Italian high-speed tilting trainset introduced in the late 1980s for Trenitalia’s Eurostar services, notable as one of the first production Pendolino trains.
-
D.
ETR 600
The ETR 600 is a class of Italian high-speed tilting electric multiple unit trains used for fast intercity and international services.
-
E.
ETR 460
ETR 460 is an Italian high-speed tilting trainset used primarily for fast intercity passenger services.
- F. None of above. chosen
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_69e25d1effe4819096907f95f610dbff |
completed | April 17, 2026, 4:17 p.m. |
| NER | Named-entity recognition | batch_69f19787ee90819083416193efaab20f |
completed | April 29, 2026, 5:30 a.m. |
Created at: April 17, 2026, 5:08 p.m.