Triple
T18579533
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Piacenza railway station |
E454072
|
entity |
| Predicate | isOnCorridor |
P1018
|
FINISHED |
| Object | north–south Italian rail corridor |
—
|
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: north–south Italian rail corridor | Statement: [Piacenza railway station, isOnCorridor, north–south Italian rail corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: north–south Italian rail corridor Context triple: [Piacenza railway station, isOnCorridor, north–south Italian rail corridor]
-
A.
Turin–Trieste corridor
The Turin–Trieste corridor is a major east–west transport axis in northern Italy linking the industrial city of Turin with the Adriatic port city of Trieste and intermediate urban and economic centers.
-
B.
Milan–Bologna railway
The Milan–Bologna railway is a major Italian mainline rail corridor connecting the northern cities of Milan and Bologna and forming a key segment of the country’s high-capacity transport network.
-
C.
Milan–Rome high-speed rail line
The Milan–Rome high-speed rail line is a major Italian high-speed railway corridor linking the country’s financial and political capitals and forming a key north–south axis in Europe’s rail system.
-
D.
Turin–Naples high-speed corridor
The Turin–Naples high-speed corridor is a major Italian high-speed rail line that connects the northern city of Turin with Naples in the south, forming the backbone of Italy’s high-speed rail network.
-
E.
Bologna–Ancona railway
The Bologna–Ancona railway is a major Italian rail line connecting the inland city of Bologna with the Adriatic coastal city of Ancona, serving as an important corridor for both passenger and freight traffic.
- 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: north–south Italian rail corridor Target entity description: The north–south Italian rail corridor is a major railway axis that connects key cities along Italy’s length, facilitating long-distance passenger and freight transport between the country’s northern and southern regions.
-
A.
Turin–Trieste corridor
The Turin–Trieste corridor is a major east–west transport axis in northern Italy linking the industrial city of Turin with the Adriatic port city of Trieste and intermediate urban and economic centers.
-
B.
Milan–Bologna railway
The Milan–Bologna railway is a major Italian mainline rail corridor connecting the northern cities of Milan and Bologna and forming a key segment of the country’s high-capacity transport network.
-
C.
Milan–Rome high-speed rail line
The Milan–Rome high-speed rail line is a major Italian high-speed railway corridor linking the country’s financial and political capitals and forming a key north–south axis in Europe’s rail system.
-
D.
Turin–Naples high-speed corridor
The Turin–Naples high-speed corridor is a major Italian high-speed rail line that connects the northern city of Turin with Naples in the south, forming the backbone of Italy’s high-speed rail network.
-
E.
Bologna–Ancona railway
The Bologna–Ancona railway is a major Italian rail line connecting the inland city of Bologna with the Adriatic coastal city of Ancona, serving as an important corridor for both passenger and freight traffic.
- 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_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.