Triple
T17686052
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | First Great Western |
E440889
|
entity |
| Predicate | operatedRollingStockType |
P1305
|
FINISHED |
| Object | Class 43 power cars |
—
|
NE NERFINISHED |
How this triple was built (3 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: Class 43 power cars | Statement: [First Great Western, operatedRollingStockType, Class 43 power cars]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Class 43 power cars Context triple: [First Great Western, operatedRollingStockType, Class 43 power cars]
-
A.
Class 483 electric multiple unit
The Class 483 electric multiple unit was a type of former London Underground tube train later adapted for mainline use on the Isle of Wight’s Island Line.
-
B.
Class 484 electric multiple unit
The Class 484 electric multiple unit is a modernized train type used on the Isle of Wight’s Island Line, rebuilt from former London Underground D78 Stock for mainline-compatible operation.
-
C.
DB Class 430 EMU
The DB Class 430 EMU is a modern electric multiple unit used by Deutsche Bahn for high-frequency suburban and S-Bahn commuter services in Germany.
-
D.
Class 350 electric multiple units
The Class 350 electric multiple units are a family of British dual-voltage commuter trains built by Siemens for regional and intercity services on the UK rail network.
-
E.
Class 379 Electrostar
The Class 379 Electrostar is a British electric multiple-unit train type built by Bombardier for high-frequency commuter and airport services, known for its modern design and passenger comfort.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Class 43 power cars Target entity description: Class 43 power cars are high-speed diesel-electric locomotives used in the British InterCity 125 train sets, renowned for holding the world speed record for diesel traction.
-
A.
Class 483 electric multiple unit
The Class 483 electric multiple unit was a type of former London Underground tube train later adapted for mainline use on the Isle of Wight’s Island Line.
-
B.
Class 484 electric multiple unit
The Class 484 electric multiple unit is a modernized train type used on the Isle of Wight’s Island Line, rebuilt from former London Underground D78 Stock for mainline-compatible operation.
-
C.
DB Class 430 EMU
The DB Class 430 EMU is a modern electric multiple unit used by Deutsche Bahn for high-frequency suburban and S-Bahn commuter services in Germany.
-
D.
Class 350 electric multiple units
The Class 350 electric multiple units are a family of British dual-voltage commuter trains built by Siemens for regional and intercity services on the UK rail network.
-
E.
Class 379 Electrostar
The Class 379 Electrostar is a British electric multiple-unit train type built by Bombardier for high-frequency commuter and airport services, known for its modern design and passenger comfort.
- F. None of above. chosen
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_69d8b9e940b081908b862bb0e6e89b0d |
completed | April 10, 2026, 8:50 a.m. |
| NER | Named-entity recognition | batch_69e47047d90c8190a172201f3de6db87 |
completed | April 19, 2026, 6:03 a.m. |
Created at: April 10, 2026, 10:02 a.m.