Triple

T3234410
Position Surface form Disambiguated ID Type / Status
Subject The Rocket E67817 entity
Predicate builder P3143 FINISHED
Object Robert Stephenson and Company
Robert Stephenson and Company was a pioneering 19th-century British locomotive manufacturing firm that played a key role in the early development of steam railway engines.
E339519 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: Robert Stephenson and Company | Statement: [The Rocket, builder, Robert Stephenson and Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Robert Stephenson and Company
Context triple: [The Rocket, builder, Robert Stephenson and Company]
  • A. British Rail Engineering Limited
    British Rail Engineering Limited was the former engineering subsidiary of British Rail, responsible for designing, building, and maintaining much of the UK’s rolling stock and railway equipment.
  • B. Sir William Arrol & Co.
    Sir William Arrol & Co. was a prominent Scottish civil engineering and construction firm renowned for building major late 19th-century steel bridges and landmark structures in the United Kingdom.
  • C. Georgian Railway
    Georgian Railway is the state-owned national railway company of Georgia, responsible for operating the country’s rail transport network and infrastructure.
  • D. London, Midland and Scottish Railway
    The London, Midland and Scottish Railway was a major British railway company formed in 1923 that operated an extensive network across England, Scotland, and Wales until nationalisation in 1948.
  • E. North British Railway
    North British Railway was a major 19th- and early 20th-century Scottish railway company that operated extensive routes across central and eastern Scotland before becoming part of the London and North Eastern Railway in 1923.
  • 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: Robert Stephenson and Company
Triple: [The Rocket, builder, Robert Stephenson and Company]
Generated description
Robert Stephenson and Company was a pioneering 19th-century British locomotive manufacturing firm that played a key role in the early development of steam railway engines.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Robert Stephenson and Company
Target entity description: Robert Stephenson and Company was a pioneering 19th-century British locomotive manufacturing firm that played a key role in the early development of steam railway engines.
  • A. British Rail Engineering Limited
    British Rail Engineering Limited was the former engineering subsidiary of British Rail, responsible for designing, building, and maintaining much of the UK’s rolling stock and railway equipment.
  • B. Sir William Arrol & Co.
    Sir William Arrol & Co. was a prominent Scottish civil engineering and construction firm renowned for building major late 19th-century steel bridges and landmark structures in the United Kingdom.
  • C. Georgian Railway
    Georgian Railway is the state-owned national railway company of Georgia, responsible for operating the country’s rail transport network and infrastructure.
  • D. London, Midland and Scottish Railway
    The London, Midland and Scottish Railway was a major British railway company formed in 1923 that operated an extensive network across England, Scotland, and Wales until nationalisation in 1948.
  • E. North British Railway
    North British Railway was a major 19th- and early 20th-century Scottish railway company that operated extensive routes across central and eastern Scotland before becoming part of the London and North Eastern Railway in 1923.
  • 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_69ad858d27348190abb61c280b4c86a9 completed March 8, 2026, 2:19 p.m.
NER Named-entity recognition batch_69adaedcd9588190b3623f0109d653a4 completed March 8, 2026, 5:16 p.m.
NED1 Entity disambiguation (via context triple) batch_69b277404f6c8190803cf67cc8423430 completed March 12, 2026, 8:20 a.m.
NEDg Description generation batch_69b27844c6708190ac61f00a74a2ef27 completed March 12, 2026, 8:24 a.m.
NED2 Entity disambiguation (via description) batch_69b27911ff1481908a36f279a871c510 completed March 12, 2026, 8:28 a.m.
Created at: March 8, 2026, 3:08 p.m.