Triple

T746053
Position Surface form Disambiguated ID Type / Status
Subject London, Midland and Scottish Railway E15342 entity
Predicate chiefMechanicalEngineer P616 FINISHED
Object George Ivatt
George Ivatt was a British railway engineer best known for designing some of the last steam and early diesel locomotives for the London, Midland and Scottish Railway and its nationalised successor, British Railways.
E88868 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: George Ivatt | Statement: [London, Midland and Scottish Railway, chiefMechanicalEngineer, George Ivatt]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: George Ivatt
Context triple: [London, Midland and Scottish Railway, chiefMechanicalEngineer, George Ivatt]
  • A. Sir John Fowler
    Sir John Fowler was a prominent 19th-century British civil engineer best known for his major railway works and co-designing the Forth Bridge in Scotland.
  • B. Henry Stephenson
    Henry Stephenson was a British character actor known for his dignified, often aristocratic roles in Hollywood films of the 1930s and 1940s.
  • C. Sir William Cubitt
    Sir William Cubitt was a prominent 19th-century English civil engineer known for major infrastructure projects, including canals, railways, and the design of the London & Blackwall Railway.
  • D. William Hulton
    William Hulton was a British magistrate and landowner best known for ordering the yeomanry to arrest speakers at the 1819 Peterloo reform meeting, a decision that helped trigger the ensuing massacre.
  • E. William Armstrong
    William Armstrong is a common name shared by several notable individuals, including engineers, politicians, and athletes, whose specific identity depends on the context in which the name appears.
  • 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: George Ivatt
Triple: [London, Midland and Scottish Railway, chiefMechanicalEngineer, George Ivatt]
Generated description
George Ivatt was a British railway engineer best known for designing some of the last steam and early diesel locomotives for the London, Midland and Scottish Railway and its nationalised successor, British Railways.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: George Ivatt
Target entity description: George Ivatt was a British railway engineer best known for designing some of the last steam and early diesel locomotives for the London, Midland and Scottish Railway and its nationalised successor, British Railways.
  • A. Sir John Fowler
    Sir John Fowler was a prominent 19th-century British civil engineer best known for his major railway works and co-designing the Forth Bridge in Scotland.
  • B. Henry Stephenson
    Henry Stephenson was a British character actor known for his dignified, often aristocratic roles in Hollywood films of the 1930s and 1940s.
  • C. Sir William Cubitt
    Sir William Cubitt was a prominent 19th-century English civil engineer known for major infrastructure projects, including canals, railways, and the design of the London & Blackwall Railway.
  • D. William Hulton
    William Hulton was a British magistrate and landowner best known for ordering the yeomanry to arrest speakers at the 1819 Peterloo reform meeting, a decision that helped trigger the ensuing massacre.
  • E. William Armstrong
    William Armstrong is a common name shared by several notable individuals, including engineers, politicians, and athletes, whose specific identity depends on the context in which the name appears.
  • 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_69a49358aa308190adbc9b5a0a2adcf9 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4aa9ba3888190889a1ad554f73c5e completed March 1, 2026, 9:07 p.m.
NED1 Entity disambiguation (via context triple) batch_69a654e664e4819081badaf0ba0d86e5 completed March 3, 2026, 3:26 a.m.
NEDg Description generation batch_69a655e0a2608190801fb67856bc2ac4 completed March 3, 2026, 3:30 a.m.
NED2 Entity disambiguation (via description) batch_69a65704a964819097ad5074e83303b4 completed March 3, 2026, 3:35 a.m.
Created at: March 1, 2026, 7:37 p.m.