Triple
T3533502
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Milano Centrale railway station |
E74715
|
entity |
| Predicate | operatedBy |
P86
|
FINISHED |
| Object | Rete Ferroviaria Italiana |
E174505
|
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: Rete Ferroviaria Italiana | Statement: [Milano Centrale railway station, operatedBy, Rete Ferroviaria Italiana]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rete Ferroviaria Italiana Context triple: [Milano Centrale railway station, operatedBy, Rete Ferroviaria Italiana]
-
A.
Rete Ferroviaria Italiana
chosen
Rete Ferroviaria Italiana is Italy’s state-owned rail infrastructure manager responsible for the operation, maintenance, and development of the national railway network.
-
B.
Trenitalia
Trenitalia is Italy’s primary national railway operator, running most of the country’s passenger and regional train services.
-
C.
Trenitalia Tper
Trenitalia Tper is a regional Italian railway company that operates passenger train services, particularly in parts of northern Italy including Emilia-Romagna and surrounding areas.
-
D.
Gruppo Torinese Trasporti
Gruppo Torinese Trasporti is the main public transport company serving the Turin metropolitan area in Italy, managing services such as buses, trams, and the Turin Metro.
-
E.
Urban Rail Transport S.A.
Urban Rail Transport S.A. is the public company responsible for operating and managing urban rail systems in Athens, Greece, including metro and tram services.
- 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_69ad85d1a3948190931fd1ea1f49717b |
completed | March 8, 2026, 2:21 p.m. |
| NER | Named-entity recognition | batch_69adbc9b945481909867d44b810e8b1f |
completed | March 8, 2026, 6:14 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b4c3771e348190badb02264ecbdce2 |
completed | March 14, 2026, 2:09 a.m. |
Created at: March 8, 2026, 3:19 p.m.