Triple
T18583939
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Viareggio railway station |
E454190
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object | Lucca–Viareggio railway |
—
|
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: Lucca–Viareggio railway | Statement: [Viareggio railway station, railwayLine, Lucca–Viareggio railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lucca–Viareggio railway Context triple: [Viareggio railway station, railwayLine, Lucca–Viareggio railway]
-
A.
Florence–Viareggio railway
The Florence–Viareggio railway is a major Italian rail line connecting the inland city of Florence with the coastal town of Viareggio, serving both regional and intercity traffic across Tuscany.
-
B.
Florence–Pisa–Livorno railway
The Florence–Pisa–Livorno railway is a major Italian rail line in Tuscany that connects the inland city of Florence with the coastal cities of Pisa and Livorno, serving as an important route for both regional and long-distance passenger traffic.
-
C.
Rome–Pisa railway
The Rome–Pisa railway is a major Italian rail line running along the Tyrrhenian coast, connecting Rome with Pisa and serving numerous coastal towns and cities in between.
-
D.
Pisa–La Spezia–Genoa railway
The Pisa–La Spezia–Genoa railway is a major Italian coastal rail line that connects Tuscany and Liguria along the Tyrrhenian Sea, serving important cities and tourist destinations between Pisa and Genoa.
-
E.
Bologna–Florence railway
The Bologna–Florence railway is a major Italian rail line crossing the Apennine Mountains to connect the northern city of Bologna with Florence in central Italy, serving as a key corridor between northern and southern Italy.
- 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: Lucca–Viareggio railway Target entity description: The Lucca–Viareggio railway is a regional rail line in Tuscany, Italy, connecting the inland city of Lucca with the coastal resort town of Viareggio.
-
A.
Florence–Viareggio railway
The Florence–Viareggio railway is a major Italian rail line connecting the inland city of Florence with the coastal town of Viareggio, serving both regional and intercity traffic across Tuscany.
-
B.
Florence–Pisa–Livorno railway
The Florence–Pisa–Livorno railway is a major Italian rail line in Tuscany that connects the inland city of Florence with the coastal cities of Pisa and Livorno, serving as an important route for both regional and long-distance passenger traffic.
-
C.
Rome–Pisa railway
The Rome–Pisa railway is a major Italian rail line running along the Tyrrhenian coast, connecting Rome with Pisa and serving numerous coastal towns and cities in between.
-
D.
Pisa–La Spezia–Genoa railway
The Pisa–La Spezia–Genoa railway is a major Italian coastal rail line that connects Tuscany and Liguria along the Tyrrhenian Sea, serving important cities and tourist destinations between Pisa and Genoa.
-
E.
Bologna–Florence railway
The Bologna–Florence railway is a major Italian rail line crossing the Apennine Mountains to connect the northern city of Bologna with Florence in central Italy, serving as a key corridor between northern and southern Italy.
- 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_69d8d38ae7e081908a98df1251842402 |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e543d200dc8190b8797d731f4e4865 |
completed | April 19, 2026, 9:06 p.m. |
Created at: April 10, 2026, 11:44 a.m.