Triple
T3533522
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Milano Centrale railway station |
E74715
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Trenitalia |
E364696
|
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: Trenitalia | Statement: [Milano Centrale railway station, servedBy, Trenitalia]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Trenitalia Context triple: [Milano Centrale railway station, servedBy, 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.
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.
-
E.
Piave Lines
Piave Lines is a military accommodation and training area within Catterick Garrison, one of the major British Army bases in North Yorkshire, England.
- 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_69b4cdd2715c81908250bb2925de8e1f |
completed | March 14, 2026, 2:54 a.m. |
Created at: March 8, 2026, 3:19 p.m.