Triple
T13281106
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cagliari railway station |
E316321
|
entity |
| Predicate | terminusOf |
P3375
|
FINISHED |
| Object | Cagliari–Carbonia railway |
E1034190
|
NE FINISHED |
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: Cagliari–Carbonia railway | Statement: [Cagliari railway station, terminusOf, Cagliari–Carbonia railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cagliari–Carbonia railway Context triple: [Cagliari railway station, terminusOf, Cagliari–Carbonia railway]
-
A.
Cagliari–Iglesias railway
chosen
The Cagliari–Iglesias railway is a main regional rail line in Sardinia, Italy, connecting the island’s capital Cagliari with the southwestern town of Iglesias.
-
B.
Cagliari–Golfo Aranci railway
The Cagliari–Golfo Aranci railway is a major rail line in Sardinia, Italy, connecting the island’s capital Cagliari with the northeastern coastal area near Olbia and the port of Golfo Aranci.
-
C.
Palermo–Trapani railway
The Palermo–Trapani railway is a regional rail line in Sicily that connects the city of Palermo with the western coastal city of Trapani, serving several intermediate towns along the route.
-
D.
Palermo–Messina railway
The Palermo–Messina railway is a major rail line in northern Sicily that connects the regional capital Palermo with the important port city of Messina along the island’s northern coast.
-
E.
Taranto–Reggio di Calabria railway
The Taranto–Reggio di Calabria railway is a major rail line in southern Italy that links the Ionian coastal cities of Apulia, Basilicata, and Calabria with the regional hub of Reggio Calabria.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d806b349908190a9a61dd9323bf153 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d9904507588190a303686d176ec3e1 |
completed | April 11, 2026, 12:05 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f7266832a881909403c4d3cbe1edec |
completed | May 3, 2026, 10:41 a.m. |
Created at: April 9, 2026, 9:27 p.m.