Triple

T646046
Position Surface form Disambiguated ID Type / Status
Subject Boston and Maine Railroad E11243 entity
Predicate majorTerminal P14282 FINISHED
Object North Station E2878 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: North Station | Statement: [Boston and Maine Railroad, majorTerminal, North Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: North Station
Context triple: [Boston and Maine Railroad, majorTerminal, North Station]
  • A. North Station chosen
    North Station is a major transportation hub in Boston, Massachusetts, serving as a key commuter rail, subway, and intercity bus terminal integrated with the TD Garden arena.
  • B. South Station
    South Station is Boston’s major intercity rail and bus terminal and a key MBTA subway hub in the city’s downtown.
  • C. Back Bay station
    Back Bay station is a major transportation hub in Boston, Massachusetts, serving MBTA commuter rail, Amtrak, and subway lines in the Back Bay neighborhood.
  • D. Penn Station (New York City)
    Penn Station (New York City) is a major underground railroad station and one of the busiest transportation hubs in the United States, serving Amtrak, commuter rail, and subway lines in Midtown Manhattan.
  • E. North Bridge station
    North Bridge station was an early railway terminus in Edinburgh that later became part of what is now Edinburgh Waverley 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: majorTerminal
Context triple: [Boston and Maine Railroad, majorTerminal, North Station]
  • A. otherMajorTerminal
    Indicates that an entity is associated with a different primary terminal or endpoint than the one currently referenced or considered.
  • B. isMajorTerminalOf chosen
    Indicates that one entity serves as a primary or main terminal (such as a key endpoint or hub) for another entity within a system or network.
  • C. terminus
    Indicates that one entity serves as the final endpoint or stopping place for another entity’s movement, route, or process.
  • D. majorUse
    Indicates that something serves as the primary or most significant use or application of an entity.
  • E. terminusCity
    Indicates that a transportation route or service ends or has its final stop in a particular city.
  • 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_69a493266a2881909daf4c40f719dee8 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a49f1b24b08190897d8aedb877bd83 completed March 1, 2026, 8:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac2a06c99881908c4f44b6bf91db1c completed March 7, 2026, 1:37 p.m.
PD Predicate disambiguation batch_69a49d0c0dcc8190849211d45489a5a7 completed March 1, 2026, 8:09 p.m.
Created at: March 1, 2026, 7:36 p.m.