Triple
T20380017
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Salerno railway station |
E497798
|
entity |
| Predicate | servedByCompany |
P62102
|
FINISHED |
| Object | Trenitalia |
—
|
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: Trenitalia | Statement: [Salerno railway station, servedByCompany, Trenitalia]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Trenitalia Context triple: [Salerno railway station, servedByCompany, 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.
Trenitalia c2c Limited
Trenitalia c2c Limited is a British train operating company providing passenger rail services on routes in and around London and Essex.
- 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: servedByCompany Context triple: [Salerno railway station, servedByCompany, Trenitalia]
-
A.
servesCompany
Indicates that one entity provides services or performs duties in support of a company.
-
B.
servedByService
Indicates that something is provided, handled, or fulfilled by a particular service.
-
C.
operatedByCompany
chosen
Indicates that an entity is run, managed, or controlled by a specific company.
-
D.
isServedAt
Indicates that something (such as food, drink, or a service) is provided or made available at a particular place or venue.
-
E.
isServedOn
Indicates that one item (typically food or drink) is presented or provided atop or together with a particular surface, container, or accompaniment.
- F. None of above.
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_69e0b4a5b7908190a972e4e7e698ae94 |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e678b026e081909541e545886c8380 |
completed | April 20, 2026, 7:04 p.m. |
| PD | Predicate disambiguation | batch_69e57648be3c81908256838228cabf5c |
completed | April 20, 2026, 12:41 a.m. |
Created at: April 16, 2026, 11:27 a.m.