Triple
T8773988
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ventimiglia railway station |
E208531
|
entity |
| Predicate | railwayTrafficOperator |
P20222
|
FINISHED |
| Object | Trenitalia |
E364696
|
NE FINISHED |
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: Trenitalia | Statement: [Ventimiglia railway station, railwayTrafficOperator, Trenitalia]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Trenitalia Context triple: [Ventimiglia railway station, railwayTrafficOperator, Trenitalia]
-
A.
Trenitalia
chosen
Trenitalia is Italy’s primary national railway operator, running most of the country’s passenger and regional train services.
-
B.
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.
-
C.
Rete Ferroviaria Italiana
Rete Ferroviaria Italiana is Italy’s state-owned rail infrastructure manager responsible for the operation, maintenance, and development of the national railway network.
-
D.
Ferrovie dello Stato Italiane
Ferrovie dello Stato Italiane is Italy’s state-owned national railway holding company, overseeing passenger and freight rail services as well as rail infrastructure through various subsidiaries.
-
E.
Leonardo Express train
The Leonardo Express train is a dedicated non-stop rail service linking central Rome’s Termini station with Fiumicino Airport, providing a fast and frequent airport transfer for travelers.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: railwayTrafficOperator Context triple: [Ventimiglia railway station, railwayTrafficOperator, Trenitalia]
-
A.
railwayTraffic
Indicates the presence, flow, or management of train movements along railway lines between locations.
-
B.
trainOperator
chosen
Indicates that one entity operates, manages, or runs train services for another entity or within a specific rail system.
-
C.
trainOperation
Indicates that an entity is engaged in operating, running, or managing the movement and service of a train.
-
D.
railwayInfrastructureManager
Indicates that one entity is responsible for managing, maintaining, and operating the railway infrastructure used by another entity.
-
E.
railwayCompany
Indicates that one entity is a railway company that owns, operates, or manages railway services or infrastructure in relation to another entity.
- F. None of above.
Provenance (4 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_69ca835edb4481909b4aafb616dc5eb7 |
completed | March 30, 2026, 2:06 p.m. |
| NER | Named-entity recognition | batch_69cc5f2ef3288190988bd69e8a02e741 |
completed | March 31, 2026, 11:56 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cf88f4d35c81908de1fd713a5b2008 |
completed | April 3, 2026, 9:31 a.m. |
| PD | Predicate disambiguation | batch_69cc5c1aff3881908be6a9cbc9f50461 |
completed | March 31, 2026, 11:43 p.m. |
Created at: March 30, 2026, 6:41 p.m.