Triple
T8845369
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | LNER Class V2 |
E210490
|
entity |
| Predicate | notablePreservedExample |
P2249
|
FINISHED |
| Object |
LNER 4771 Green Arrow
LNER 4771 Green Arrow is a preserved British steam locomotive of the LNER Class V2, renowned as one of the most significant surviving examples of its type.
|
E760832
|
NE FINISHED |
How this triple was built (4 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: LNER 4771 Green Arrow | Statement: [LNER Class V2, notablePreservedExample, LNER 4771 Green Arrow]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: LNER 4771 Green Arrow Context triple: [LNER Class V2, notablePreservedExample, LNER 4771 Green Arrow]
-
A.
LNER Azuma
LNER Azuma is a modern high-speed intercity train fleet used by London North Eastern Railway on the UK’s East Coast Main Line.
-
B.
LNER Class A4 4468 Mallard
LNER Class A4 4468 Mallard is a famous British steam locomotive best known for holding the world speed record for steam traction, set in 1938.
-
C.
British Rail Class 57
The British Rail Class 57 is a rebuilt diesel-electric locomotive class for the UK rail network, created by re-engineering older locomotives with updated engines and systems to extend their service life and improve performance.
-
D.
LNER Class A3 4472 Flying Scotsman
LNER Class A3 4472 Flying Scotsman is a famous British steam locomotive renowned for being one of the world’s most iconic express passenger engines and the first to officially reach 100 mph.
-
E.
British Rail Class 143
The British Rail Class 143 is a type of diesel multiple unit "Pacer" train built in the 1980s for use on regional and commuter rail services in the UK.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: LNER 4771 Green Arrow Triple: [LNER Class V2, notablePreservedExample, LNER 4771 Green Arrow]
Generated description
LNER 4771 Green Arrow is a preserved British steam locomotive of the LNER Class V2, renowned as one of the most significant surviving examples of its type.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: LNER 4771 Green Arrow Target entity description: LNER 4771 Green Arrow is a preserved British steam locomotive of the LNER Class V2, renowned as one of the most significant surviving examples of its type.
-
A.
LNER Azuma
LNER Azuma is a modern high-speed intercity train fleet used by London North Eastern Railway on the UK’s East Coast Main Line.
-
B.
LNER Class A4 4468 Mallard
LNER Class A4 4468 Mallard is a famous British steam locomotive best known for holding the world speed record for steam traction, set in 1938.
-
C.
British Rail Class 57
The British Rail Class 57 is a rebuilt diesel-electric locomotive class for the UK rail network, created by re-engineering older locomotives with updated engines and systems to extend their service life and improve performance.
-
D.
LNER Class A3 4472 Flying Scotsman
LNER Class A3 4472 Flying Scotsman is a famous British steam locomotive renowned for being one of the world’s most iconic express passenger engines and the first to officially reach 100 mph.
-
E.
British Rail Class 143
The British Rail Class 143 is a type of diesel multiple unit "Pacer" train built in the 1980s for use on regional and commuter rail services in the UK.
- F. None of above. chosen
Provenance (5 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_69ca838967bc8190b46c3c80a2887ea4 |
completed | March 30, 2026, 2:07 p.m. |
| NER | Named-entity recognition | batch_69cc60a6623c8190ba43545544f58633 |
completed | April 1, 2026, 12:02 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cf89b5acbc8190b0f5a81af71fc7aa |
completed | April 3, 2026, 9:34 a.m. |
| NEDg | Description generation | batch_69cf8b4c15ac8190816f679de979b6b5 |
completed | April 3, 2026, 9:41 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69cf8bfdf55081909b71ef3e92c4928f |
completed | April 3, 2026, 9:44 a.m. |
Created at: March 30, 2026, 6:48 p.m.