Triple

T2930406
Position Surface form Disambiguated ID Type / Status
Subject City Hall station (SEPTA) E78946 entity
Predicate isCentralStationFor P30882 FINISHED
Object Broad Street Line E46366 NE FINISHED

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: Broad Street Line | Statement: [City Hall station (SEPTA), isCentralStationFor, Broad Street Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Broad Street Line
Context triple: [City Hall station (SEPTA), isCentralStationFor, Broad Street Line]
  • A. Broad Street Line chosen
    The Broad Street Line is a major north–south rapid transit subway line in Philadelphia operated by SEPTA, running primarily beneath Broad Street and serving key downtown and neighborhood destinations.
  • B. Broad Street Extension
    Broad Street Extension is a segment of the Newark Light Rail system that connects Newark Penn Station with Newark Broad Street Station, enhancing transit access through downtown Newark, New Jersey.
  • C. Broad Street
    Broad Street is a former elevated terminal station in Lower Manhattan that once served as the southern terminus for New York City's BMT Nassau Street Line J train.
  • D. Broad Street
    Broad Street is a historically significant thoroughfare in Selma, Alabama, known for its role in the civil rights movement and its collection of notable historic buildings.
  • E. Fulton Street Line
    The Fulton Street Line is a major New York City Subway corridor in Brooklyn and Manhattan that carries IND services such as the A and C trains along Fulton Street.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: isCentralStationFor
Context triple: [City Hall station (SEPTA), isCentralStationFor, Broad Street Line]
  • A. isCentralTo
    Indicates that something plays a primary, essential, or defining role in relation to something else, such that the latter depends on or is organized around it.
  • B. servesAsThroughStationFor
    Indicates that a station functions as an intermediate (through) stop for a particular service, route, or journey rather than as its starting or ending point.
  • C. isMajorStationOn chosen
    Indicates that a station serves as a primary or significant stop on a particular route or line.
  • D. hasComponentStation
    Indicates that an entity includes or is associated with a specific station as one of its component parts.
  • E. isServiceCentreFor
    Indicates that one entity functions as a service center that provides support, maintenance, or related services for another entity.
  • F. None of above.

Provenance (4 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_69ad8b0d40b481908bc2a5fa2e73c3fb completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69ad980191388190ac2455a7d9867be3 completed March 8, 2026, 3:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69b108d249608190b386450c2ccab609 completed March 11, 2026, 6:16 a.m.
PD Predicate disambiguation batch_69ad9606e8348190bb19df33a2709674 completed March 8, 2026, 3:30 p.m.
Created at: March 8, 2026, 2:55 p.m.