Triple

T1419734
Position Surface form Disambiguated ID Type / Status
Subject Toronto Railway Company E31996 entity
Predicate precededBy P97 FINISHED
Object Toronto Street Railway
The Toronto Street Railway was a 19th-century transit company that operated Toronto’s first horse-drawn streetcar system, laying the foundation for the city’s modern public transportation network.
E31996 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 Street Railway | Statement: [Toronto Railway Company, precededBy, Toronto Street Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Toronto Street Railway
Context triple: [Toronto Railway Company, precededBy, Toronto Street Railway]
  • A. Spadina streetcar line
    The Spadina streetcar line is a major Toronto Transit Commission route running along Spadina Avenue, connecting key downtown destinations including the University of Toronto’s St. George campus.
  • B. King Street Trolley
    King Street Trolley is a free circulator shuttle in Alexandria, Virginia, that runs along King Street through Old Town, connecting key shops, restaurants, and transit hubs for visitors and residents.
  • C. 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.
  • D. Queens Quay streetcar line
    The Queens Quay streetcar line is a Toronto streetcar route that runs along the city’s central waterfront, serving key destinations and attractions on Queens Quay.
  • E. Portland Streetcar
    Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
  • 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 Street Railway
Triple: [Toronto Railway Company, precededBy, Toronto Street Railway]
Generated description
The Toronto Street Railway was a 19th-century transit company that operated Toronto’s first horse-drawn streetcar system, laying the foundation for the city’s modern public transportation network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Toronto Street Railway
Target entity description: The Toronto Street Railway was a 19th-century transit company that operated Toronto’s first horse-drawn streetcar system, laying the foundation for the city’s modern public transportation network.
  • A. Spadina streetcar line
    The Spadina streetcar line is a major Toronto Transit Commission route running along Spadina Avenue, connecting key downtown destinations including the University of Toronto’s St. George campus.
  • B. King Street Trolley
    King Street Trolley is a free circulator shuttle in Alexandria, Virginia, that runs along King Street through Old Town, connecting key shops, restaurants, and transit hubs for visitors and residents.
  • C. Toronto Railway Company chosen
    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.
  • D. Queens Quay streetcar line
    The Queens Quay streetcar line is a Toronto streetcar route that runs along the city’s central waterfront, serving key destinations and attractions on Queens Quay.
  • E. Portland Streetcar
    Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
  • F. None of above.

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_69a49919a994819086528951bc224775 completed March 1, 2026, 7:52 p.m.
NER Named-entity recognition batch_69a4c40764ec8190b85de6befcb20dda completed March 1, 2026, 10:56 p.m.
NED1 Entity disambiguation (via context triple) batch_69ace5857d6c8190902eecd7bb12cbaf completed March 8, 2026, 2:57 a.m.
NEDg Description generation batch_69ace78168f481908133d74a52a7f6c9 completed March 8, 2026, 3:05 a.m.
NED2 Entity disambiguation (via description) batch_69aceb4ac6bc8190a3d0b44f922d5302 completed March 8, 2026, 3:21 a.m.
Created at: March 1, 2026, 7:59 p.m.