Triple

T912429
Position Surface form Disambiguated ID Type / Status
Subject Spadina streetcar line E19689 entity
Predicate hasStop P17789 FINISHED
Object Bremner Boulevard stop
Bremner Boulevard stop is a streetcar stop in downtown Toronto serving the Spadina streetcar line near the city’s waterfront and entertainment district.
 E112977 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: Bremner Boulevard stop | Statement: [Spadina streetcar line, hasStop, Bremner Boulevard stop]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Bremner Boulevard stop
Context triple: [Spadina streetcar line, hasStop, Bremner Boulevard stop]
  • A. Queen Street stop
    Queen Street stop is a streetcar stop on Toronto’s Spadina streetcar line located at the intersection of Spadina Avenue and Queen Street West.
  • B. College Street stop
    College Street stop is a streetcar stop on Toronto’s Spadina streetcar line, serving the intersection of Spadina Avenue and College Street.
  • C. King Street stop
    King Street stop is a streetcar stop on Toronto’s Spadina streetcar line, serving the busy King Street corridor in the downtown core.
  • D. Crescent Street station
    Crescent Street station is a New York City Subway station in Brooklyn served by the J train.
  • E. Embarcadero station
    Embarcadero station is a major San Francisco Bay Area Rapid Transit (BART) and Muni Metro hub located at the eastern edge of downtown near the Ferry Building and the Embarcadero waterfront.
  • 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: Bremner Boulevard stop
Triple: [Spadina streetcar line, hasStop, Bremner Boulevard stop]
Generated description
Bremner Boulevard stop is a streetcar stop in downtown Toronto serving the Spadina streetcar line near the city’s waterfront and entertainment district.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Bremner Boulevard stop
Target entity description: Bremner Boulevard stop is a streetcar stop in downtown Toronto serving the Spadina streetcar line near the city’s waterfront and entertainment district.
  • A. Queen Street stop
    Queen Street stop is a streetcar stop on Toronto’s Spadina streetcar line located at the intersection of Spadina Avenue and Queen Street West.
  • B. College Street stop
    College Street stop is a streetcar stop on Toronto’s Spadina streetcar line, serving the intersection of Spadina Avenue and College Street.
  • C. King Street stop
    King Street stop is a streetcar stop on Toronto’s Spadina streetcar line, serving the busy King Street corridor in the downtown core.
  • D. Crescent Street station
    Crescent Street station is a New York City Subway station in Brooklyn served by the J train.
  • E. Embarcadero station
    Embarcadero station is a major San Francisco Bay Area Rapid Transit (BART) and Muni Metro hub located at the eastern edge of downtown near the Ferry Building and the Embarcadero waterfront.
  • 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_69a4939f91a08190ba68c2c81eab90fe completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4b2df9ba88190824437026796586f completed March 1, 2026, 9:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac119519488190a60aca9bb425f800 completed March 7, 2026, 11:52 a.m.
NEDg Description generation batch_69ac1279e9d481908644b2e6c6bdb645 completed March 7, 2026, 11:56 a.m.
NED2 Entity disambiguation (via description) batch_69ac12fba71881909537bc73c8f6c620 completed March 7, 2026, 11:58 a.m.
Created at: March 1, 2026, 7:39 p.m.