Triple

T3464
Position Surface form Disambiguated ID Type / Status
Subject MBTA Fitchburg Line E65 entity
Predicate locale P387 FINISHED
Object Greater Boston E54 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: Greater Boston | Statement: [MBTA Fitchburg Line, locale, Greater Boston]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Greater Boston
Context triple: [MBTA Fitchburg Line, locale, Greater Boston]
  • A. Greater Boston chosen
    Greater Boston is the metropolitan region centered on the city of Boston, Massachusetts, encompassing numerous surrounding cities and towns and serving as a major hub for education, technology, and culture in New England.
  • B. Boston, Massachusetts
    Boston, Massachusetts is a historic New England city and the capital of Massachusetts, known for its pivotal role in the American Revolution, prestigious universities, and cultural and economic influence.
  • C. Medford, Massachusetts
    Medford, Massachusetts is a historic city just northwest of Boston, known for being the home of Tufts University and for its role in early American colonial and industrial history.
  • D. Boston Consortium
    The Boston Consortium is a collaborative association of leading higher education institutions in the Boston area that work together to share resources and improve academic and administrative effectiveness.
  • E. Portland metropolitan area
    The Portland metropolitan area is a major urban region in the Pacific Northwest of the United States centered on the city of Portland and spanning multiple counties in Oregon and Washington.
  • 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: locale
Context triple: [MBTA Fitchburg Line, locale, Greater Boston]
  • A. nativeLanguage
    Indicates the language that a person or entity originally learned and uses as their primary or first language.
  • B. deFactoLanguage
    Indicates that a language is used in practice as the primary or common language in a context, even if it has no official legal status there.
  • C. officialLanguage
    Indicates that a particular language has been formally designated by an authority as the official language used for government, legal, or administrative purposes in a given jurisdiction.
  • D. languageOfWorkOrName
    Indicates the language in which a work is created or a name is expressed.
  • E. recognizedLanguage
    Indicates that an entity has identified, detected, or acknowledged a particular language as being used or present.
  • F. None of above. chosen

Provenance (5 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_69a238d6b47881909e68288aed2fd858 completed Feb. 28, 2026, 12:37 a.m.
NER Named-entity recognition batch_69a23bcc8eb48190b897cc331563980a completed Feb. 28, 2026, 12:50 a.m.
NED1 Entity disambiguation (via context triple) batch_69a29172b5b4819080efd4fe0d9658c6 completed Feb. 28, 2026, 6:55 a.m.
PD Predicate disambiguation batch_69a23994309081909ff3e869deef2156 completed Feb. 28, 2026, 12:40 a.m.
PDg Predicate description generation batch_69a23bcb4bbc819093775f623998d62d completed Feb. 28, 2026, 12:50 a.m.
Created at: Feb. 28, 2026, 12:40 a.m.