Triple
T6015523
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 730 |
E133939
|
entity |
| Predicate | category |
P87
|
FINISHED |
| Object | Aventra multiple units |
E293571
|
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: Aventra multiple units | Statement: [British Rail Class 730, category, Aventra multiple units]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Aventra multiple units Context triple: [British Rail Class 730, category, Aventra multiple units]
-
A.
Alstom multiple units
Alstom multiple units are self-propelled passenger train sets manufactured by Alstom for use in various urban and regional rail systems worldwide.
-
B.
Siemens Vectron
Siemens Vectron is a modular family of electric and diesel-electric locomotives designed for versatile passenger and freight operations across European rail networks.
-
C.
Class 345 Aventra
chosen
The Class 345 Aventra is a modern electric multiple unit train built by Bombardier (now Alstom) for high-capacity, high-frequency commuter services on London’s Elizabeth line.
-
D.
Stadler GTW DMU
The Stadler GTW DMU is a modular, lightweight diesel multiple unit train designed by Stadler Rail for regional and commuter rail services, known for its central power module and efficient operation on non-electrified lines.
-
E.
M7 electric multiple unit
The M7 electric multiple unit is a modern commuter rail car class built for high-frequency, third-rail electrified service, notably operating on New York’s Long Island Rail Road and similar regional rail networks.
- 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_69c0087361a48190905c6b55969852b8 |
completed | March 22, 2026, 3:19 p.m. |
| NER | Named-entity recognition | batch_69c04f80ec108190ae9711727debb061 |
completed | March 22, 2026, 8:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c108ade3948190994fbaa2a5539216 |
completed | March 23, 2026, 9:32 a.m. |
Created at: March 22, 2026, 4:06 p.m.