Triple

T16935506
Position Surface form Disambiguated ID Type / Status
Subject MBTA Zone 1 E410816 entity
Predicate appliesTo P1129 FINISHED
Object MBTA Commuter Rail stations E453628 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: MBTA Commuter Rail stations | Statement: [MBTA Zone 1, appliesTo, MBTA Commuter Rail stations]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MBTA Commuter Rail stations
Context triple: [MBTA Zone 1, appliesTo, MBTA Commuter Rail stations]
  • A. MBTA Commuter Rail stations chosen
    MBTA Commuter Rail stations are passenger rail stops in the Greater Boston area that provide regional train service connecting outlying communities with Boston and other destinations on the Massachusetts Bay Transportation Authority network.
  • B. MBTA stations
    MBTA stations are the public transit stops and hubs in the Greater Boston area that serve subway, bus, commuter rail, and ferry services operated by the Massachusetts Bay Transportation Authority.
  • C. MBTA commuter rail terminals
    MBTA commuter rail terminals are major passenger rail hubs in the Boston area that serve as endpoints and transfer points for regional trains connecting the city with its surrounding suburbs and communities.
  • D. MBTA Orange Line stations
    MBTA Orange Line stations are the rapid transit stops along Boston’s Orange Line, serving key neighborhoods and connecting riders to major residential, commercial, and educational areas in the Greater Boston region.
  • E. MBTA Green Line stations
    MBTA Green Line stations are the stops along Boston’s light rail Green Line, serving neighborhoods and suburbs with trolley-style rapid transit.
  • 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_69d886c886688190967be07322597ac9 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3cf2a05f48190a0a8ac86985f4000 completed April 18, 2026, 6:36 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00dc024d7c8190b8055833ed8908d5 completed May 10, 2026, 7:26 p.m.
Created at: April 10, 2026, 5:30 a.m.