Triple
T17894951
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Fiat Ferroviaria |
E447408
|
entity |
| Predicate | developed |
P73
|
FINISHED |
| Object | ETR 401 |
—
|
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 401 | Statement: [Fiat Ferroviaria, developed, ETR 401]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: ETR 401 Context triple: [Fiat Ferroviaria, developed, ETR 401]
-
A.
ETR 610
The ETR 610 is a high-speed tilting electric multiple unit train used on international and domestic services in Italy and neighboring countries.
-
B.
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.
-
C.
ETR 600
The ETR 600 is a class of Italian high-speed tilting electric multiple unit trains used for fast intercity and international services.
-
D.
ETR 700
ETR 700 is a class of high-speed electric multiple unit trains operated by Trenitalia for intercity and Frecciarossa services in Italy.
-
E.
ETM
ETM is the IATA airport code for Ramon Airport, an international airport serving the Eilat region in southern Israel.
- 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 401 Target entity description: ETR 401 is an Italian experimental high-speed tilting train prototype built in the 1970s that pioneered active tilting technology for improved speed on curved tracks.
-
A.
ETR 610
The ETR 610 is a high-speed tilting electric multiple unit train used on international and domestic services in Italy and neighboring countries.
-
B.
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.
-
C.
ETR 600
The ETR 600 is a class of Italian high-speed tilting electric multiple unit trains used for fast intercity and international services.
-
D.
ETR 700
ETR 700 is a class of high-speed electric multiple unit trains operated by Trenitalia for intercity and Frecciarossa services in Italy.
-
E.
ETM
ETM is the IATA airport code for Ramon Airport, an international airport serving the Eilat region in southern Israel.
- 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_69d8b9f59bd48190a6fc925a855b8bac |
completed | April 10, 2026, 8:51 a.m. |
| NER | Named-entity recognition | batch_69e49d7ccf808190b4c1fd477043bcc8 |
completed | April 19, 2026, 9:16 a.m. |
Created at: April 10, 2026, 10:19 a.m.