Triple

T5218632
Position Surface form Disambiguated ID Type / Status
Subject Fullerton station E117813 entity
Predicate hasAdjacentStationNorth_BrownLine P55420 FINISHED
Object Belmont station E166082 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: Belmont station | Statement: [Fullerton station, hasAdjacentStationNorth_BrownLine, Belmont station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Belmont station
Context triple: [Fullerton station, hasAdjacentStationNorth_BrownLine, Belmont station]
  • A. Belmont station chosen
    Belmont station is a major Chicago Transit Authority 'L' station on the North Side that serves as a key transfer point between multiple rapid transit lines.
  • B. Belmont station
    Belmont station is a commuter rail stop in Downers Grove, Illinois, served by Metra’s BNSF Railway Line connecting the suburb to downtown Chicago.
  • C. Hawthorne station
    Hawthorne station is a commuter rail stop in Mount Pleasant, New York, serving passengers on the Metro-North Railroad’s Harlem Line.
  • D. Medford station
    Medford station is a Long Island Rail Road commuter rail stop located in Medford, New York, serving passengers on the Ronkonkoma Branch.
  • E. Winchester Center station
    Winchester Center station is a commuter rail station in Winchester, Massachusetts, serving MBTA's Lowell Line north of Boston.
  • 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: hasAdjacentStationNorth_BrownLine
Context triple: [Fullerton station, hasAdjacentStationNorth_BrownLine, Belmont station]
  • A. adjacentStationOnBrownLine chosen
    Indicates that one station is directly next to another station along the Brown Line, with no other stations in between.
  • B. hasAdjacentStationOnMattapanLine
    Indicates that one station is directly next to another station along the Mattapan Line, with no other stations in between.
  • C. hasAdjacentStationOnRedLine
    Indicates that one station is directly next to another station along the red transit line, with no other stations in between.
  • D. adjacentStationOnNorthernLine
    Indicates that one station is directly next to another station along the Northern Line, with no other stations in between.
  • E. adjacentStationOnRedLine
    Indicates that one station is directly next to another station along the Red Line, with no other stations in between.
  • 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_69bd4465e03081909bfcfd7113062590 completed March 20, 2026, 12:58 p.m.
NER Named-entity recognition batch_69bd7a96d49c8190a58726a57edebdcc completed March 20, 2026, 4:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf06b04cd881909e31b4e533dc4ae8 completed March 21, 2026, 8:59 p.m.
PD Predicate disambiguation batch_69bd77bd2a448190a9ae5afd2585a7b9 completed March 20, 2026, 4:37 p.m.
Created at: March 20, 2026, 1:48 p.m.