Triple

T716382
Position Surface form Disambiguated ID Type / Status
Subject Haverhill Line E14322 entity
Predicate fareSystem P395 FINISHED
Object MBTA Commuter Rail zone system E30305 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 zone system | Statement: [Haverhill Line, fareSystem, MBTA Commuter Rail zone system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MBTA Commuter Rail zone system
Context triple: [Haverhill Line, fareSystem, MBTA Commuter Rail zone system]
  • 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 Mattapan High-Speed Line
    The MBTA Mattapan High-Speed Line is a light rail trolley service in the Boston area that operates historic PCC streetcars between Ashmont Station in Dorchester and Mattapan, serving communities including Milton, Massachusetts.
  • C. 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.
  • D. MBTA AFC 2.0
    MBTA AFC 2.0 is the Massachusetts Bay Transportation Authority’s next-generation automated fare collection system designed to modernize how riders pay for and access public transit across Greater Boston.
  • E. 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.
  • 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_69a4934a36e081909e7abef98b898a4e completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a57649dc8190bfdee2f9c0c90415 completed March 1, 2026, 8:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad0e5413448190bd9112e2b3d83826 completed March 8, 2026, 5:51 a.m.
Created at: March 1, 2026, 7:37 p.m.