Triple

T23051429
Position Surface form Disambiguated ID Type / Status
Subject Amtrak at South Station E574023 entity
Predicate sharesStationWith P61736 FINISHED
Object MBTA Commuter Rail NE NERFINISHED

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 Commuter Rail | Statement: [Amtrak at South Station, sharesStationWith, MBTA Commuter Rail]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MBTA Commuter Rail
Context triple: [Amtrak at South Station, sharesStationWith, MBTA Commuter Rail]
  • A. MBTA Commuter Rail network chosen
    The MBTA Commuter Rail network is a regional passenger rail system serving Greater Boston and surrounding communities in Massachusetts and parts of Rhode Island.
  • B. MBTA Commuter Rail Old Colony Lines
    The MBTA Commuter Rail Old Colony Lines are a set of commuter rail routes in eastern Massachusetts that provide service between Boston and communities along the historic Old Colony Railroad corridors, including the South Shore and parts of southeastern Massachusetts.
  • C. MBTA
    The MBTA (Massachusetts Bay Transportation Authority) is the public transit agency that operates subway, bus, commuter rail, and ferry services in the Greater Boston area.
  • D. MBTA
    MBTA is a landmark U.S. federal law enacted in 1918 that protects migratory bird species by prohibiting their unauthorized capture, killing, or trade.
  • E. MBTA Commuter Rail Greenbush Line
    The MBTA Commuter Rail Greenbush Line is a Massachusetts Bay Transportation Authority commuter rail route connecting Boston’s South Station with coastal South Shore communities, including towns such as Hingham, Cohasset, and Scituate.
  • 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: sharesStationWith
Context triple: [Amtrak at South Station, sharesStationWith, MBTA Commuter Rail]
  • A. sharesStationsWith chosen
    Indicates that two transit routes or lines have one or more stations or stops in common along their paths.
  • B. sharesMusicWith
    Indicates that one entity provides or exchanges music with another entity.
  • C. sharesRecordWith
    Indicates that two entities have at least one record or data entry in common, or are both associated with the same record.
  • D. sharesSystemWith
    Indicates that two entities operate within or are associated with the same overarching system or environment.
  • E. sharesUniverseWith
    Indicates that two entities exist within the same fictional or narrative universe, implying shared continuity, setting, or canon.
  • F. None of above.

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_69e245ba7ae48190be606dbc54120e39 completed April 17, 2026, 2:37 p.m.
NER Named-entity recognition batch_69f1867d010c8190bc5dba6758d0b797 completed April 29, 2026, 4:18 a.m.
PD Predicate disambiguation batch_69ef89d5f71881908b9f9d0c8aab278c completed April 27, 2026, 4:07 p.m.
Created at: April 17, 2026, 3:54 p.m.