Triple

T20588412
Position Surface form Disambiguated ID Type / Status
Subject Mount Stephen E505848 entity
Predicate namedAfter P63 FINISHED
Object George Stephen, 1st Baron Mount Stephen
George Stephen, 1st Baron Mount Stephen, was a prominent 19th-century Canadian businessman and railway executive who served as the first president of the Canadian Pacific Railway and was later elevated to the British peerage.
E1440348 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 Stephen, 1st Baron Mount Stephen | Statement: [Mount Stephen, namedAfter, George Stephen, 1st Baron Mount Stephen]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: George Stephen, 1st Baron Mount Stephen
Context triple: [Mount Stephen, namedAfter, George Stephen, 1st Baron Mount Stephen]
  • A. Donald Smith, 1st Baron Strathcona and Mount Royal
    Donald Smith, 1st Baron Strathcona and Mount Royal, was a prominent Scottish-Canadian businessman, politician, and philanthropist best known for his role in building the Canadian Pacific Railway and driving its last spike.
  • B. Conrad Chisholm
    Conrad Chisholm was the husband of pioneering U.S. congresswoman and presidential candidate Shirley Chisholm.
  • C. James Dunsmuir
    James Dunsmuir was a Canadian industrialist and politician from British Columbia, known for his coal-mining fortune and for serving as the province’s premier and later lieutenant governor.
  • D. Robert Dunsmuir
    Robert Dunsmuir was a 19th-century Scottish-Canadian coal baron and politician who became one of British Columbia’s wealthiest industrialists.
  • E. Sir William Macdonald
    Sir William Macdonald was a prominent Canadian tobacco manufacturer and philanthropist whose generous endowments significantly shaped McGill University and its agricultural education programs.
  • 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 Stephen, 1st Baron Mount Stephen
Triple: [Mount Stephen, namedAfter, George Stephen, 1st Baron Mount Stephen]
Generated description
George Stephen, 1st Baron Mount Stephen, was a prominent 19th-century Canadian businessman and railway executive who served as the first president of the Canadian Pacific Railway and was later elevated to the British peerage.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: George Stephen, 1st Baron Mount Stephen
Target entity description: George Stephen, 1st Baron Mount Stephen, was a prominent 19th-century Canadian businessman and railway executive who served as the first president of the Canadian Pacific Railway and was later elevated to the British peerage.
  • A. Donald Smith, 1st Baron Strathcona and Mount Royal
    Donald Smith, 1st Baron Strathcona and Mount Royal, was a prominent Scottish-Canadian businessman, politician, and philanthropist best known for his role in building the Canadian Pacific Railway and driving its last spike.
  • B. Conrad Chisholm
    Conrad Chisholm was the husband of pioneering U.S. congresswoman and presidential candidate Shirley Chisholm.
  • C. James Dunsmuir
    James Dunsmuir was a Canadian industrialist and politician from British Columbia, known for his coal-mining fortune and for serving as the province’s premier and later lieutenant governor.
  • D. Robert Dunsmuir
    Robert Dunsmuir was a 19th-century Scottish-Canadian coal baron and politician who became one of British Columbia’s wealthiest industrialists.
  • E. Sir William Macdonald
    Sir William Macdonald was a prominent Canadian tobacco manufacturer and philanthropist whose generous endowments significantly shaped McGill University and its agricultural education programs.
  • 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_69e0b4b9669c8190b8e81fc72817d42c completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e6a9790cc08190b48949834cd421d2 completed April 20, 2026, 10:32 p.m.
NED1 Entity disambiguation (via context triple) batch_6a08b3e61f888190b805b7d19d673536 completed May 16, 2026, 6:13 p.m.
NEDg Description generation batch_6a08b4a7779481909b5bf6e99e632841 completed May 16, 2026, 6:17 p.m.
NED2 Entity disambiguation (via description) batch_6a08b57ff3e48190952c973726821e2b completed May 16, 2026, 6:20 p.m.
Created at: April 16, 2026, 11:40 a.m.