Triple

T7126799
Position Surface form Disambiguated ID Type / Status
Subject Belmont station (CTA North Side) E166082 entity
Predicate isTransferStationFor P15892 FINISHED
Object Red Line and Brown Line E527391 NE FINISHED

How this triple was built (2 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 and Brown Line | Statement: [Belmont station (CTA North Side), isTransferStationFor, Red Line and Brown Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Red Line and Brown Line
Context triple: [Belmont station (CTA North Side), isTransferStationFor, Red Line and Brown Line]
  • A. Red Line and Brown Line chosen
    The Red Line and Brown Line are two major Chicago 'L' rapid transit routes that intersect at several key stations and serve different corridors of the city.
  • B. Red Line and Purple Line
    The Red Line and Purple Line are two Chicago 'L' rapid transit routes that share tracks along the North Side and provide commuter service between the city and northern suburbs.
  • C. Red Line and Green Line
    Red Line and Green Line are two key Boston MBTA subway lines that intersect at Park Street Station, serving as major routes through the city and surrounding areas.
  • D. Blue Line and Orange Line
    The Blue Line and Orange Line are two intersecting Washington Metro rapid transit routes serving Virginia and the District of Columbia, sharing key stations such as Rosslyn.
  • E. Red Line and Yellow Line
    Red Line and Yellow Line are two intersecting Chicago 'L' rapid transit routes that connect at Howard station on the city's North Side.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69c6888350588190870cd552b427a1cd completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6e64ee8ac81909ee1c7cb1db3af33 completed March 27, 2026, 8:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7d3759a2c81908535af2a749375ca completed March 28, 2026, 1:11 p.m.
Created at: March 27, 2026, 2:44 p.m.