Triple

T2310136
Position Surface form Disambiguated ID Type / Status
Subject East Lancashire Railway E51934 entity
Predicate hasNotableLocomotive P12267 FINISHED
Object LMS Stanier Class 5 4-6-0 "Black Five" locomotives
The LMS Stanier Class 5 4-6-0 "Black Five" locomotives are a highly successful and versatile class of British mixed-traffic steam engines designed by William Stanier for the London, Midland and Scottish Railway in the 1930s.
E256294 NE FINISHED

How this triple was built (5 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: LMS Stanier Class 5 4-6-0 "Black Five" locomotives | Statement: [East Lancashire Railway, hasNotableLocomotive, LMS Stanier Class 5 4-6-0 "Black Five" locomotives]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: LMS Stanier Class 5 4-6-0 "Black Five" locomotives
Context triple: [East Lancashire Railway, hasNotableLocomotive, LMS Stanier Class 5 4-6-0 "Black Five" locomotives]
  • A. LMS Jubilee Class
    The LMS Jubilee Class was a class of British steam locomotives built in the 1930s for express passenger services on the London, Midland and Scottish Railway.
  • B. LNER Class V2
    The LNER Class V2 was a class of powerful 2-6-2 steam locomotives designed by Sir Nigel Gresley for mixed-traffic duties on the London and North Eastern Railway in the mid-20th century.
  • C. LNER Class P2
    The LNER Class P2 was a powerful class of 2-8-2 steam locomotives designed by Sir Nigel Gresley for hauling heavy express trains on the challenging Edinburgh–Aberdeen route in the 1930s.
  • D. LNER Class A1
    The LNER Class A1 was a series of powerful British express passenger steam locomotives designed by Sir Nigel Gresley for high-speed mainline services in the early 20th century.
  • E. 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.
  • 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: LMS Stanier Class 5 4-6-0 "Black Five" locomotives
Triple: [East Lancashire Railway, hasNotableLocomotive, LMS Stanier Class 5 4-6-0 "Black Five" locomotives]
Generated description
The LMS Stanier Class 5 4-6-0 "Black Five" locomotives are a highly successful and versatile class of British mixed-traffic steam engines designed by William Stanier for the London, Midland and Scottish Railway in the 1930s.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: LMS Stanier Class 5 4-6-0 "Black Five" locomotives
Target entity description: The LMS Stanier Class 5 4-6-0 "Black Five" locomotives are a highly successful and versatile class of British mixed-traffic steam engines designed by William Stanier for the London, Midland and Scottish Railway in the 1930s.
  • A. LMS Jubilee Class
    The LMS Jubilee Class was a class of British steam locomotives built in the 1930s for express passenger services on the London, Midland and Scottish Railway.
  • B. LNER Class V2
    The LNER Class V2 was a class of powerful 2-6-2 steam locomotives designed by Sir Nigel Gresley for mixed-traffic duties on the London and North Eastern Railway in the mid-20th century.
  • C. LNER Class P2
    The LNER Class P2 was a powerful class of 2-8-2 steam locomotives designed by Sir Nigel Gresley for hauling heavy express trains on the challenging Edinburgh–Aberdeen route in the 1930s.
  • D. LNER Class A1
    The LNER Class A1 was a series of powerful British express passenger steam locomotives designed by Sir Nigel Gresley for high-speed mainline services in the early 20th century.
  • E. 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.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasNotableLocomotive
Context triple: [East Lancashire Railway, hasNotableLocomotive, LMS Stanier Class 5 4-6-0 "Black Five" locomotives]
  • A. hasLocomotive chosen
    Indicates that one entity possesses or is equipped with a locomotive as part of its composition or operation.
  • B. locomotiveWorks
    Indicates a relationship where an entity is a facility or company that builds, repairs, or maintains locomotives.
  • C. associatedWithLocomotive
    Indicates a relationship where something is connected or related to a locomotive, such as by use, function, origin, or context.
  • D. locomotiveNumber
    Indicates the identifying number assigned to a locomotive in the relationship.
  • E. usesRollingStock
    Indicates that one entity employs or operates specific rolling stock (such as rail vehicles) in its activities or services.
  • F. None of above.

Provenance (6 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_69a88b0bb30c81908ded03b006d29387 completed March 4, 2026, 7:42 p.m.
NER Named-entity recognition batch_69abc685f05481909c863b29d1f6bacd completed March 7, 2026, 6:32 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae8959d860819095ea3113e3d9264e completed March 9, 2026, 8:48 a.m.
NEDg Description generation batch_69ae8d49b7c081909f89c71a56067458 completed March 9, 2026, 9:05 a.m.
NED2 Entity disambiguation (via description) batch_69ae8dc4cf44819082f242d6806aa45a completed March 9, 2026, 9:07 a.m.
PD Predicate disambiguation batch_69abc58e88e481908733fdf79d3f8a15 completed March 7, 2026, 6:28 a.m.
Created at: March 4, 2026, 7:49 p.m.