Triple

T8015642
Position Surface form Disambiguated ID Type / Status
Subject Main Line Elevated E186607 entity
Predicate colorDesignation P60 FINISHED
Object Orange Line (after MBTA color-coding) E505500 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: Orange Line (after MBTA color-coding) | Statement: [Main Line Elevated, colorDesignation, Orange Line (after MBTA color-coding)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Orange Line (after MBTA color-coding)
Context triple: [Main Line Elevated, colorDesignation, Orange Line (after MBTA color-coding)]
  • A. Orange Line is colored orange chosen
    The Orange Line is one of the primary rapid transit routes in Boston’s subway system, running north–south through the city and serving key neighborhoods and downtown areas.
  • B. MAX Orange Line
    The MAX Orange Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with the southeast corridor, including Milwaukie.
  • C. 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.
  • D. 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.
  • E. Blue Line is colored blue
    Blue Line is colored blue is a subway line in Boston’s public transit system, commonly identified by its blue color on maps and signage.
  • 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_69ca82ac7fc081909b1398cf025423af completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb3df24e4c8190ae1c46e97e54787d completed March 31, 2026, 3:22 a.m.
NED1 Entity disambiguation (via context triple) batch_69cc56ba88b88190ad279d79d7f0ffd7 completed March 31, 2026, 11:20 p.m.
Created at: March 30, 2026, 5:20 p.m.