Triple
T21297409
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bologna–Pistoia railway |
E524959
|
entity |
| Predicate | hasStructure |
P35
|
FINISHED |
| Object | Porretta railway tunnel |
—
|
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: Porretta railway tunnel | Statement: [Bologna–Pistoia railway, hasStructure, Porretta railway tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Porretta railway tunnel Context triple: [Bologna–Pistoia railway, hasStructure, Porretta railway tunnel]
-
A.
Rossio–Campolide tunnel
The Rossio–Campolide tunnel is a key railway tunnel in Lisbon, Portugal, carrying suburban and regional trains between the city center and the inland rail network.
-
B.
Vizzavona tunnel
The Vizzavona tunnel is a major railway tunnel in Corsica that carries the island’s central rail line beneath the mountainous Vizzavona Pass.
-
C.
Gran Sasso road tunnel
The Gran Sasso road tunnel is a major highway tunnel in central Italy that passes beneath the Gran Sasso d’Italia massif, forming a key part of the Apennine mountain crossing on the A24 motorway.
-
D.
Apennine Base Tunnel
chosen
The Apennine Base Tunnel is a major Italian railway tunnel that carries trains beneath the Apennine Mountains between Bologna and Florence, significantly shortening travel times and improving connectivity.
-
E.
Sitina Tunnel
Sitina Tunnel is a major road tunnel in Bratislava, Slovakia, forming part of the city’s key motorway connection and easing traffic flow in the western part of the capital.
- 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_69e0b517e6748190850d6f6ddf323d69 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e7385968308190bc9fe5c2bd4598e6 |
completed | April 21, 2026, 8:42 a.m. |
Created at: April 16, 2026, 4:04 p.m.