Triple
T21270169
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bologna–Florence railway |
E524232
|
entity |
| Predicate | belongsToCorridor |
P37
|
FINISHED |
| Object | north–south Italian rail axis |
—
|
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: north–south Italian rail axis | Statement: [Bologna–Florence railway, belongsToCorridor, north–south Italian rail axis]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: north–south Italian rail axis Context triple: [Bologna–Florence railway, belongsToCorridor, north–south Italian rail axis]
-
A.
north–south Italian rail corridor
chosen
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.
-
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.
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.
-
D.
Verona–Mantua–Modena railway
The Verona–Mantua–Modena railway is an Italian rail line in northern Italy that connects the cities of Verona, Mantua, and Modena, serving as an important regional passenger and freight route.
-
E.
Verona–Trento railway
The Verona–Trento railway is a major rail line in northern Italy that connects the city of Verona with Trento, forming part of an important north–south transport corridor through the Alps.
- 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_69e0b516293c819089458ea2ec85f85e |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e73651c9208190a87d45acd6fafaaa |
completed | April 21, 2026, 8:33 a.m. |
Created at: April 16, 2026, 4:01 p.m.