Triple
T18579504
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Piacenza railway station |
E454072
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Turin–Piacenza railway |
—
|
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: Turin–Piacenza railway | Statement: [Piacenza railway station, partOf, Turin–Piacenza railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Turin–Piacenza railway Context triple: [Piacenza railway station, partOf, Turin–Piacenza railway]
-
A.
Turin–Piacenza railway
chosen
The Turin–Piacenza railway is a major Italian rail line connecting the city of Turin with Piacenza, forming part of an important east–west transport corridor in northern Italy.
-
B.
Turin–Alessandria railway
The Turin–Alessandria railway is a key rail line in northern Italy that connects the city of Turin with Alessandria, serving both regional passenger and freight traffic.
-
C.
Turin–Savona railway
The Turin–Savona railway is a major Italian rail line connecting the city of Turin in Piedmont with the port city of Savona on the Ligurian coast, serving both passenger and freight traffic across northwestern Italy.
-
D.
Turin–Cuneo railway
The Turin–Cuneo railway is a regional rail line in northwestern Italy that connects the city of Turin with Cuneo through the Piedmont region.
-
E.
Alessandria–Piacenza railway
The Alessandria–Piacenza railway is an Italian rail line connecting the cities of Alessandria in Piedmont and Piacenza in Emilia-Romagna, serving as an important regional transport corridor.
- 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_69d8d38974308190a9174430ef256b73 |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e543ce63188190b14a37c5ca9c2726 |
completed | April 19, 2026, 9:06 p.m. |
Created at: April 10, 2026, 11:43 a.m.