Triple

T2741873
Position Surface form Disambiguated ID Type / Status
Subject Union Station (Toronto) E60768 entity
Predicate operatedBy P86 FINISHED
Object Toronto Terminals Railway
Toronto Terminals Railway is a railway company responsible for managing and operating Toronto’s Union Station rail corridor and related terminal infrastructure.
E295981 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: Toronto Terminals Railway | Statement: [Union Station (Toronto), operatedBy, Toronto Terminals Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Toronto Terminals Railway
Context triple: [Union Station (Toronto), operatedBy, Toronto Terminals Railway]
  • A. Toronto Railway Company
    The Toronto Railway Company was a private streetcar operator that ran Toronto’s electric tram system in the late 19th and early 20th centuries before public transit was municipalized.
  • B. Ontario Northland Railway
    Ontario Northland Railway is a regional rail operator in northeastern Ontario that provides freight and passenger services connecting remote communities with larger urban centers.
  • C. Toronto Civic Railways
    Toronto Civic Railways was a municipally owned streetcar system that operated in Toronto in the early 20th century before being absorbed into the unified public transit network.
  • D. Grand Trunk Railway
    The Grand Trunk Railway was a major 19th- and early 20th-century Canadian railway system that played a key role in linking central Canada with the Atlantic coast and the United States before being absorbed into the Canadian National Railway.
  • E. Intercolonial Railway of Canada
    The Intercolonial Railway of Canada was a government-owned railway that linked the Maritime provinces with central Canada and played a key role in the country’s early national transportation network.
  • 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: Toronto Terminals Railway
Triple: [Union Station (Toronto), operatedBy, Toronto Terminals Railway]
Generated description
Toronto Terminals Railway is a railway company responsible for managing and operating Toronto’s Union Station rail corridor and related terminal infrastructure.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Toronto Terminals Railway
Target entity description: Toronto Terminals Railway is a railway company responsible for managing and operating Toronto’s Union Station rail corridor and related terminal infrastructure.
  • A. Toronto Railway Company
    The Toronto Railway Company was a private streetcar operator that ran Toronto’s electric tram system in the late 19th and early 20th centuries before public transit was municipalized.
  • B. Ontario Northland Railway
    Ontario Northland Railway is a regional rail operator in northeastern Ontario that provides freight and passenger services connecting remote communities with larger urban centers.
  • C. Toronto Civic Railways
    Toronto Civic Railways was a municipally owned streetcar system that operated in Toronto in the early 20th century before being absorbed into the unified public transit network.
  • D. Grand Trunk Railway
    The Grand Trunk Railway was a major 19th- and early 20th-century Canadian railway system that played a key role in linking central Canada with the Atlantic coast and the United States before being absorbed into the Canadian National Railway.
  • E. Intercolonial Railway of Canada
    The Intercolonial Railway of Canada was a government-owned railway that linked the Maritime provinces with central Canada and played a key role in the country’s early national transportation network.
  • 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_69ab4b77febc819095603eb012cd141b completed March 6, 2026, 9:47 p.m.
NER Named-entity recognition batch_69abdb303898819098a7d192e29817f8 completed March 7, 2026, 8 a.m.
NED1 Entity disambiguation (via context triple) batch_69afbbca8ac081909ce86d4cd911b4f1 completed March 10, 2026, 6:35 a.m.
NEDg Description generation batch_69afbcc1dd988190826ab05e55adf1ee completed March 10, 2026, 6:40 a.m.
NED2 Entity disambiguation (via description) batch_69afbd452e1c8190a3ee9eaf642e80a0 completed March 10, 2026, 6:42 a.m.
Created at: March 6, 2026, 9:56 p.m.