Triple
T8142080
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Alstom multiple units |
E190120
|
entity |
| Predicate | hasSubclass |
P1244
|
FINISHED |
| Object | Alstom Class 458 |
E661278
|
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: Alstom Class 458 | Statement: [Alstom multiple units, hasSubclass, Alstom Class 458]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Alstom Class 458 Context triple: [Alstom multiple units, hasSubclass, Alstom Class 458]
-
A.
Alstom Class 334
The Alstom Class 334 is a fleet of electric multiple-unit passenger trains built by Alstom for commuter and regional services on the Scottish rail network.
-
B.
Alstom Class 180
The Alstom Class 180 is a high-speed diesel multiple unit train used on intercity passenger services in the United Kingdom.
-
C.
British Rail Class 458
chosen
The British Rail Class 458 is a fleet of electric multiple-unit passenger trains used for suburban and regional services in the south of England, particularly around London.
-
D.
British Rail Class 465
The British Rail Class 465 is a family of electric multiple-unit commuter trains used primarily on suburban routes in Southeast England, particularly around London.
-
E.
British Rail Class 325
The British Rail Class 325 is an electric multiple unit train type designed specifically for high-speed postal and parcel services on the UK rail network.
- 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_69ca82bd9900819099477cdc2eb4244f |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cb4443a3748190bbae79f1d673c03d |
completed | March 31, 2026, 3:49 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ce4d66c6708190919b8c1800af2d72 |
completed | April 2, 2026, 11:05 a.m. |
Created at: March 30, 2026, 5:36 p.m.