Triple

T22799038
Position Surface form Disambiguated ID Type / Status
Subject Preston station E564331 entity
Predicate hasService P182 FINISHED
Object Red Line northbound — NE NERFINISHED

How this triple was built (3 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: Red Line northbound | Statement: [Preston station, hasService, Red Line northbound]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Red Line northbound
Context triple: [Preston station, hasService, Red Line northbound]
  • A. Red Line southbound
    Red Line southbound is the Chicago 'L' rapid transit service that runs south from northern stations like Wilson toward the Loop and the city's South Side.
  • B. Orange Line northbound
    Orange Line northbound is the Massachusetts Bay Transportation Authority subway service that runs on the Orange Line toward its northern terminus, serving stations from downtown Boston up through northern neighborhoods and suburbs.
  • C. Red Line
    The Red Line is a regional express bus route operated under the SolanoExpress system, providing intercity transit service in Solano County and surrounding areas.
  • D. Red Line
    The Red Line is a major light rail route in the Dallas Area Rapid Transit (DART) system serving key corridors across the Dallas–Fort Worth metro area.
  • E. Red Line
    The Red Line is a primary route of the MetroLink light rail system serving key destinations in the St. Louis metropolitan area.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Red Line northbound
Target entity description: Red Line northbound is the northbound service pattern of a Red Line rapid transit route that stops at Preston station.
  • A. Red Line southbound
    Red Line southbound is the Chicago 'L' rapid transit service that runs south from northern stations like Wilson toward the Loop and the city's South Side.
  • B. Orange Line northbound
    Orange Line northbound is the Massachusetts Bay Transportation Authority subway service that runs on the Orange Line toward its northern terminus, serving stations from downtown Boston up through northern neighborhoods and suburbs.
  • C. Red Line
    The Red Line is a regional express bus route operated under the SolanoExpress system, providing intercity transit service in Solano County and surrounding areas.
  • D. Red Line
    The Red Line is a primary route of the MetroLink light rail system serving key destinations in the St. Louis metropolitan area.
  • E. Red Line
    The Red Line is a major light rail route in the Dallas Area Rapid Transit (DART) system serving key corridors across the Dallas–Fort Worth metro area.
  • F. None of above. chosen

Provenance (2 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_69e2458185f88190b0045227ee420411 completed April 17, 2026, 2:36 p.m.
NER Named-entity recognition batch_69f17cdb6ba48190936bd356704c1241 completed April 29, 2026, 3:36 a.m.
Created at: April 17, 2026, 3:31 p.m.