Triple
T21270153
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bologna–Florence railway |
E524232
|
entity |
| Predicate | hasStructure |
P35
|
FINISHED |
| Object | Apennine Base 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: Apennine Base Tunnel | Statement: [Bologna–Florence railway, hasStructure, Apennine Base Tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Apennine Base Tunnel Context triple: [Bologna–Florence railway, hasStructure, Apennine Base Tunnel]
-
A.
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.
-
B.
Ceneri Base Tunnel
The Ceneri Base Tunnel is a major Swiss railway tunnel through the Ceneri massif that forms a key part of the New Railway Link through the Alps, improving north–south transit between central Switzerland and the canton of Ticino.
-
C.
Brenner Base Tunnel
The Brenner Base Tunnel is a major transalpine railway tunnel under construction between Austria and Italy, designed to significantly improve freight and passenger rail transport across the Alps by providing a faster, flatter route beneath the Brenner Pass.
-
D.
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.
-
E.
Gotthard Road Tunnel
The Gotthard Road Tunnel is a major Swiss Alpine tunnel and one of Europe’s key north–south road links, carrying traffic beneath the Saint-Gotthard Massif.
- 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.