Triple

T7061651
Position Surface form Disambiguated ID Type / Status
Subject Canadian Northern Railway E164230 entity
Predicate founder P104 FINISHED
Object William Mackenzie
William Mackenzie was a prominent Canadian railway entrepreneur and financier best known for co-founding and expanding the Canadian Northern Railway in the late 19th and early 20th centuries.
 E638928 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: William Mackenzie | Statement: [Canadian Northern Railway, founder, William Mackenzie]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: William Mackenzie
Context triple: [Canadian Northern Railway, founder, William Mackenzie]
  • A. William Mackenzie
    William Mackenzie is a Canadian businessman best known as a co-founder of the global alternative asset management firm Brookfield Asset Management.
  • B. Æneas MacKenzie
    Æneas MacKenzie was a Scottish-born Hollywood screenwriter known for crafting grand historical and biblical epics, including contributing to the screenplay of Cecil B. DeMille’s 1956 film "The Ten Commandments."
  • C. 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.
  • D. John MacLeod
    John MacLeod was an American basketball coach best known for leading the Phoenix Suns to multiple playoff appearances, including a trip to the 1976 NBA Finals.
  • E. John MacLeod
    John MacLeod is known as the husband of Prudence Murdoch, the eldest daughter of media magnate Rupert Murdoch.
  • 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: William Mackenzie
Triple: [Canadian Northern Railway, founder, William Mackenzie]
Generated description
William Mackenzie was a prominent Canadian railway entrepreneur and financier best known for co-founding and expanding the Canadian Northern Railway in the late 19th and early 20th centuries.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: William Mackenzie
Target entity description: William Mackenzie was a prominent Canadian railway entrepreneur and financier best known for co-founding and expanding the Canadian Northern Railway in the late 19th and early 20th centuries.
  • A. William Mackenzie
    William Mackenzie is a Canadian businessman best known as a co-founder of the global alternative asset management firm Brookfield Asset Management.
  • B. Æneas MacKenzie
    Æneas MacKenzie was a Scottish-born Hollywood screenwriter known for crafting grand historical and biblical epics, including contributing to the screenplay of Cecil B. DeMille’s 1956 film "The Ten Commandments."
  • C. 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.
  • D. John MacLeod
    John MacLeod was an American basketball coach best known for leading the Phoenix Suns to multiple playoff appearances, including a trip to the 1976 NBA Finals.
  • E. John MacLeod
    John MacLeod is known as the husband of Prudence Murdoch, the eldest daughter of media magnate Rupert Murdoch.
  • 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_69c688796c148190adb2f1596f595f22 completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6e45b7488819094d2dd337731dab9 completed March 27, 2026, 8:11 p.m.
NED1 Entity disambiguation (via context triple) batch_69c788b4b6788190aa4e74b9e7eb7eaa completed March 28, 2026, 7:52 a.m.
NEDg Description generation batch_69c7893f85588190b1ed983f00ea2532 completed March 28, 2026, 7:54 a.m.
NED2 Entity disambiguation (via description) batch_69c78b0fe83481909cad77ce740b81d5 completed March 28, 2026, 8:02 a.m.
Created at: March 27, 2026, 2:38 p.m.