Triple
T8142082
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Alstom multiple units |
E190120
|
entity |
| Predicate | hasSubclass |
P1244
|
FINISHED |
| Object | Alstom Class 334 EMU |
E736916
|
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 334 EMU | Statement: [Alstom multiple units, hasSubclass, Alstom Class 334 EMU]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Alstom Class 334 EMU Context triple: [Alstom multiple units, hasSubclass, Alstom Class 334 EMU]
-
A.
Alstom Class 334
chosen
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 460
The Alstom Class 460 is a fleet of electric multiple-unit trains built by Alstom for use on the Gatwick Express service between London Victoria and Gatwick Airport in the United Kingdom.
-
C.
Alstom Class 180
The Alstom Class 180 is a high-speed diesel multiple unit train used on intercity passenger services in the United Kingdom.
-
D.
X'Trapolis EMU
The X'Trapolis EMU is a modern electric multiple unit train used for suburban passenger services on Melbourne’s metropolitan rail network.
-
E.
Bombardier Electrostar (electric multiple unit family)
The Bombardier Electrostar is a widely used family of British electric multiple unit trains known for their modular design and operation on suburban and commuter rail services.
- 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_69ce88498cf081909c25c292c014fe8c |
completed | April 2, 2026, 3:16 p.m. |
Created at: March 30, 2026, 5:36 p.m.