Triple
T22424921
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Brindisi railway station |
E554343
|
entity |
| Predicate | ownedBy |
P347
|
FINISHED |
| Object | Rete Ferroviaria Italiana |
—
|
NE NERFINISHED |
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: [Brindisi railway station, ownedBy, Rete Ferroviaria Italiana]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rete Ferroviaria Italiana Context triple: [Brindisi railway station, ownedBy, 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.
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.
-
C.
Trenitalia
Trenitalia is Italy’s primary national railway operator, running most of the country’s passenger and regional train services.
-
D.
Trenitalia c2c Limited
Trenitalia c2c Limited is a British train operating company providing passenger rail services on routes in and around London and Essex.
-
E.
Ferrovie Nord Milano
Ferrovie Nord Milano is an Italian railway company that manages regional rail services and infrastructure primarily in the Lombardy region.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e11e4f2d0c819091aa3558ea2ee630 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f15a2c47bc81908b8265d83fa6fb65 |
completed | April 29, 2026, 1:09 a.m. |
Created at: April 16, 2026, 8:47 p.m.