Triple

T3748974
Position Surface form Disambiguated ID Type / Status
Subject Hunting Park station E81280 entity
Predicate isPartOf P10 FINISHED
Object Broad Street Subway
The Broad Street Subway is a major rapid transit line in Philadelphia that runs primarily along Broad Street, serving as a key north–south backbone of the city’s public transportation system.
 E383604 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: Broad Street Subway | Statement: [Hunting Park station, isPartOf, Broad Street Subway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Broad Street Subway
Context triple: [Hunting Park station, isPartOf, Broad Street Subway]
  • A. 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.
  • B. 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.
  • C. Waterloo & City line
    The Waterloo & City line is a short, deep-level London Underground railway line that provides a direct commuter link between Waterloo station and the City of London.
  • D. Yonge Street subway corridor
    The Yonge Street subway corridor is a major rapid transit route in Toronto that follows Yonge Street and forms the backbone of the city’s subway network.
  • E. Sheppard subway
    Sheppard subway is a Toronto Transit Commission rapid transit line in North York that runs east–west along Sheppard Avenue.
  • 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: Broad Street Subway
Triple: [Hunting Park station, isPartOf, Broad Street Subway]
Generated description
The Broad Street Subway is a major rapid transit line in Philadelphia that runs primarily along Broad Street, serving as a key north–south backbone of the city’s public transportation system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Broad Street Subway
Target entity description: The Broad Street Subway is a major rapid transit line in Philadelphia that runs primarily along Broad Street, serving as a key north–south backbone of the city’s public transportation system.
  • A. 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.
  • B. 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.
  • C. Waterloo & City line
    The Waterloo & City line is a short, deep-level London Underground railway line that provides a direct commuter link between Waterloo station and the City of London.
  • D. Yonge Street subway corridor
    The Yonge Street subway corridor is a major rapid transit route in Toronto that follows Yonge Street and forms the backbone of the city’s subway network.
  • E. Sheppard subway
    Sheppard subway is a Toronto Transit Commission rapid transit line in North York that runs east–west along Sheppard Avenue.
  • 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_69ad8b19b7b08190a6188804e99c53e9 completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69adcb6bf95c81909796fbc84995ae05 completed March 8, 2026, 7:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69b4db31f964819087bab143f638754f completed March 14, 2026, 3:51 a.m.
NEDg Description generation batch_69b4dbbc23f08190a03ef4e4197398a4 completed March 14, 2026, 3:53 a.m.
NED2 Entity disambiguation (via description) batch_69b4dcac6fdc81908998415ffe1aabaa completed March 14, 2026, 3:57 a.m.
Created at: March 8, 2026, 3:35 p.m.