Triple

T7383395
Position Surface form Disambiguated ID Type / Status
Subject Park Street Under E170318 entity
Predicate connectsWith P37 FINISHED
Object Park Street surface-level streetcar stops (historical)
Park Street surface-level streetcar stops (historical) were former above-ground trolley platforms in downtown Boston that once served surface streetcar lines connecting with the Park Street Under subway station.
E659864 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: Park Street surface-level streetcar stops (historical) | Statement: [Park Street Under, connectsWith, Park Street surface-level streetcar stops (historical)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Park Street surface-level streetcar stops (historical)
Context triple: [Park Street Under, connectsWith, Park Street surface-level streetcar stops (historical)]
  • A. F Market & Wharves historic streetcar line
    The F Market & Wharves historic streetcar line is a San Francisco transit route that operates vintage streetcars along Market Street and the Embarcadero, serving both daily commuters and tourists.
  • B. College Street streetcar
    The College Street streetcar is a Toronto Transit Commission streetcar route that runs along College Street, serving key downtown neighborhoods including the Discovery District.
  • 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. 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.
  • E. Market Street surface tracks
    Market Street surface tracks are the street-level light rail tracks along San Francisco’s Market Street used by historic streetcars and other Muni rail services.
  • 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: Park Street surface-level streetcar stops (historical)
Triple: [Park Street Under, connectsWith, Park Street surface-level streetcar stops (historical)]
Generated description
Park Street surface-level streetcar stops (historical) were former above-ground trolley platforms in downtown Boston that once served surface streetcar lines connecting with the Park Street Under subway station.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Park Street surface-level streetcar stops (historical)
Target entity description: Park Street surface-level streetcar stops (historical) were former above-ground trolley platforms in downtown Boston that once served surface streetcar lines connecting with the Park Street Under subway station.
  • A. F Market & Wharves historic streetcar line
    The F Market & Wharves historic streetcar line is a San Francisco transit route that operates vintage streetcars along Market Street and the Embarcadero, serving both daily commuters and tourists.
  • B. College Street streetcar
    The College Street streetcar is a Toronto Transit Commission streetcar route that runs along College Street, serving key downtown neighborhoods including the Discovery District.
  • 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. 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.
  • E. Market Street surface tracks
    Market Street surface tracks are the street-level light rail tracks along San Francisco’s Market Street used by historic streetcars and other Muni rail services.
  • 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_69c68a5d0ed08190b6d361e68f813330 completed March 27, 2026, 1:47 p.m.
NER Named-entity recognition batch_69c6f1cb0b8881908132383c0efb0503 completed March 27, 2026, 9:08 p.m.
NED1 Entity disambiguation (via context triple) batch_69c802dee7448190be1835bd822b9180 completed March 28, 2026, 4:33 p.m.
NEDg Description generation batch_69c80362bcb88190ad8c42f520d7dd56 completed March 28, 2026, 4:35 p.m.
NED2 Entity disambiguation (via description) batch_69c803da5e2c819098814b16d14cf837 completed March 28, 2026, 4:37 p.m.
Created at: March 27, 2026, 3:08 p.m.