Triple

T7061652
Position Surface form Disambiguated ID Type / Status
Subject Canadian Northern Railway E164230 entity
Predicate founder P104 FINISHED
Object Donald Mann
Donald Mann was a Canadian railway contractor and entrepreneur best known as a co-founder and builder of the Canadian Northern Railway, which helped open Western Canada to settlement and development.
 E638929 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: Donald Mann | Statement: [Canadian Northern Railway, founder, Donald Mann]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Donald Mann
Context triple: [Canadian Northern Railway, founder, Donald Mann]
  • A. Leo Beranek
    Leo Beranek was an American acoustics expert, engineer, and entrepreneur known for his pioneering work in architectural acoustics and co-founding the influential technology company Bolt Beranek and Newman.
  • B. Robert Karplus
    Robert Karplus was an American physicist and influential science educator known for his pioneering work in physics education research and curriculum development.
  • C. David Slepian
    David Slepian was an American mathematician and electrical engineer known for his influential work in information theory and communications, including the development of the Slepian–Wolf coding theorem.
  • D. Douglas Kahn
    Douglas Kahn is a cultural and media historian known for his influential work on sound, radio, and the arts, particularly in relation to experimental and avant-garde practices.
  • E. Manfred R. Schroeder
    Manfred R. Schroeder was a pioneering German physicist and acoustician known for his influential work in speech processing, room acoustics, and the development of modern audio and signal compression techniques.
  • 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: Donald Mann
Triple: [Canadian Northern Railway, founder, Donald Mann]
Generated description
Donald Mann was a Canadian railway contractor and entrepreneur best known as a co-founder and builder of the Canadian Northern Railway, which helped open Western Canada to settlement and development.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Donald Mann
Target entity description: Donald Mann was a Canadian railway contractor and entrepreneur best known as a co-founder and builder of the Canadian Northern Railway, which helped open Western Canada to settlement and development.
  • A. Leo Beranek
    Leo Beranek was an American acoustics expert, engineer, and entrepreneur known for his pioneering work in architectural acoustics and co-founding the influential technology company Bolt Beranek and Newman.
  • B. Robert Karplus
    Robert Karplus was an American physicist and influential science educator known for his pioneering work in physics education research and curriculum development.
  • C. David Slepian
    David Slepian was an American mathematician and electrical engineer known for his influential work in information theory and communications, including the development of the Slepian–Wolf coding theorem.
  • D. Douglas Kahn
    Douglas Kahn is a cultural and media historian known for his influential work on sound, radio, and the arts, particularly in relation to experimental and avant-garde practices.
  • E. Manfred R. Schroeder
    Manfred R. Schroeder was a pioneering German physicist and acoustician known for his influential work in speech processing, room acoustics, and the development of modern audio and signal compression techniques.
  • 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.