Triple
T16966975
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Caltanissetta Centrale railway station |
E411565
|
entity |
| Predicate | locatedOn |
P40
|
FINISHED |
| Object | Palermo–Catania railway |
E984693
|
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: Palermo–Catania railway | Statement: [Caltanissetta Centrale railway station, locatedOn, Palermo–Catania railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Palermo–Catania railway Context triple: [Caltanissetta Centrale railway station, locatedOn, Palermo–Catania railway]
-
A.
Catania–Palermo railway
chosen
The Catania–Palermo railway is a major rail line in Sicily that connects the island’s two largest cities, Catania and Palermo, crossing its mountainous interior.
-
B.
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.
-
C.
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.
-
D.
Catania–Caltagirone–Gela railway
The Catania–Caltagirone–Gela railway is a regional rail line in Sicily that connects the eastern coastal city of Catania with the inland town of Caltagirone and the southern coastal city of Gela.
-
E.
Catania–Agrigento railway
The Catania–Agrigento railway is a regional rail line in Sicily that connects the eastern coastal city of Catania with the inland city of Agrigento, serving towns and communities across the island’s interior.
- 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_69d886c9c9d481909afe222093641cae |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3d0a548b48190b87468630f3e3209 |
completed | April 18, 2026, 6:42 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00d46f1d608190befe4dcbda086c03 |
completed | May 10, 2026, 6:54 p.m. |
Created at: April 10, 2026, 5:31 a.m.