Triple
T21878901
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 68 |
E540224
|
entity |
| Predicate | relatedTo |
P37
|
FINISHED |
| Object | British Rail Class 88 |
—
|
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: British Rail Class 88 | Statement: [British Rail Class 68, relatedTo, British Rail Class 88]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: British Rail Class 88 Context triple: [British Rail Class 68, relatedTo, British Rail Class 88]
-
A.
British Rail Class 87
The British Rail Class 87 is a high-powered electric locomotive built in the early 1970s for express passenger services on the West Coast Main Line in the UK.
-
B.
British Rail Class 86
The British Rail Class 86 is a class of electric locomotives introduced in the 1960s for high-speed passenger and freight services on the West Coast Main Line and other electrified routes in the UK.
-
C.
British Rail Class 67
The British Rail Class 67 is a high-speed diesel-electric locomotive built by Alstom in the late 1990s for passenger and mail services on the UK rail network.
-
D.
British Rail Class 378
The British Rail Class 378 is a type of electric multiple unit train designed for high-capacity, metro-style commuter services on London Overground routes.
-
E.
British Rail Class 168
The British Rail Class 168 is a diesel multiple-unit train used primarily by Chiltern Railways for regional and intercity services in the United Kingdom.
- 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: British Rail Class 88 Target entity description: The British Rail Class 88 is a modern dual-mode (electric and diesel) locomotive used in the UK, designed for both freight and passenger operations with high efficiency and flexibility.
-
A.
British Rail Class 87
The British Rail Class 87 is a high-powered electric locomotive built in the early 1970s for express passenger services on the West Coast Main Line in the UK.
-
B.
British Rail Class 86
The British Rail Class 86 is a class of electric locomotives introduced in the 1960s for high-speed passenger and freight services on the West Coast Main Line and other electrified routes in the UK.
-
C.
British Rail Class 67
The British Rail Class 67 is a high-speed diesel-electric locomotive built by Alstom in the late 1990s for passenger and mail services on the UK rail network.
-
D.
British Rail Class 378
The British Rail Class 378 is a type of electric multiple unit train designed for high-capacity, metro-style commuter services on London Overground routes.
-
E.
British Rail Class 168
The British Rail Class 168 is a diesel multiple-unit train used primarily by Chiltern Railways for regional and intercity services in the United Kingdom.
- 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_69e0c479a98081908ce333853fdd4348 |
completed | April 16, 2026, 11:14 a.m. |
| NER | Named-entity recognition | batch_69f118e42c108190b6308016655c429e |
completed | April 28, 2026, 8:30 p.m. |
Created at: April 16, 2026, 7:03 p.m.