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.