Triple

T6905932
Position Surface form Disambiguated ID Type / Status
Subject Green Line Rivalry E159812 entity
Predicate connectedByTransitLine P3791 FINISHED
Object MBTA Green Line E25076 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: MBTA Green Line | Statement: [Green Line Rivalry, connectedByTransitLine, MBTA Green Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MBTA Green Line
Context triple: [Green Line Rivalry, connectedByTransitLine, MBTA Green Line]
  • A. MBTA Green Line chosen
    The MBTA Green Line is a light rail service in Boston, Massachusetts, known as one of the oldest subway lines in the United States and serving key neighborhoods, universities, and cultural destinations across the city.
  • B. MBTA Orange Line
    The MBTA Orange Line is a rapid transit line in the Boston metropolitan area that runs roughly north–south, connecting neighborhoods such as Jamaica Plain, Downtown Boston, and Malden.
  • C. MBTA Blue Line
    The MBTA Blue Line is a rapid transit line in the Boston metropolitan area that runs primarily along the city’s northeastern corridor, connecting downtown Boston with East Boston, Logan Airport, and Revere.
  • D. MBTA Red Line
    The MBTA Red Line is a major rapid transit line in the Boston metropolitan area that runs through key communities including Cambridge, connecting them to downtown Boston and other parts of the region.
  • E. MBTA Silver Line
    The MBTA Silver Line is a bus rapid transit service in Boston that operates in dedicated lanes and tunnels, linking key neighborhoods, Logan Airport, and South Station.
  • 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: connectedByTransitLine
Context triple: [Green Line Rivalry, connectedByTransitLine, MBTA Green Line]
  • A. partOfTransitSystem
    Indicates that something is a component or segment within a larger transit or transportation system.
  • B. appliesToTransitLine
    Indicates that a rule, condition, or characteristic is specifically associated with and relevant to a particular transit line.
  • C. hasTransitAccessTo
    Indicates that one place or entity is reachable from another via public or shared transportation services.
  • D. hasPublicTransportConnection chosen
    Indicates that there is an available public transportation link or service connecting the related entities.
  • E. hasFareGateConnectionTo
    Indicates that there is a direct passage or connection between two areas that is controlled or mediated by fare gates.
  • 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_69c68839ccb88190b4aa5cc1aca3448f completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6d98b07f0819093595e958fa0317b completed March 27, 2026, 7:24 p.m.
NED1 Entity disambiguation (via context triple) batch_69c8029da4688190ae479d3f791aa1c2 completed March 28, 2026, 4:32 p.m.
PD Predicate disambiguation batch_69c6d7b7681481909ec50509b19fcf81 completed March 27, 2026, 7:17 p.m.
Created at: March 27, 2026, 2:25 p.m.