Triple

T269508
Position Surface form Disambiguated ID Type / Status
Subject MBTA Green Line D branch E5598 entity
Predicate servesInstitutionNearby P6776 FINISHED
Object Boston University (near Kenmore and Hynes Convention Center) E12058 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: Boston University (near Kenmore and Hynes Convention Center) | Statement: [MBTA Green Line D branch, servesInstitutionNearby, Boston University (near Kenmore and Hynes Convention Center)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Boston University (near Kenmore and Hynes Convention Center)
Context triple: [MBTA Green Line D branch, servesInstitutionNearby, Boston University (near Kenmore and Hynes Convention Center)]
  • A. Boston College (in the Boston metropolitan area)
    Boston College is a private Jesuit research university known for its strong liberal arts education and competitive athletics, located in the Boston metropolitan area.
  • B. Harvard University Allston campus
    Harvard University Allston campus is Harvard’s expanding campus across the Charles River from Cambridge that hosts athletic facilities like Lavietes Pavilion along with growing academic and research spaces.
  • C. Boston University chosen
    Boston University is a major private research university in Boston known for its comprehensive academic programs and significant contributions to scholarship and innovation.
  • D. University of Massachusetts Boston
    The University of Massachusetts Boston is a public research university located on the waterfront in Boston, known for its diverse student body and strong programs in liberal arts, sciences, and professional studies.
  • E. 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.
  • 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: servesInstitutionNearby
Context triple: [MBTA Green Line D branch, servesInstitutionNearby, Boston University (near Kenmore and Hynes Convention Center)]
  • A. hasNearbyInstitution chosen
    Indicates that one entity is located close to or in the immediate vicinity of an institution.
  • B. hasNearbyFacility
    Indicates that one entity is located close to or in the vicinity of a particular facility.
  • C. eligibleInstitution
    Indicates that an institution satisfies specified criteria or requirements to qualify for a particular program, benefit, or status.
  • D. nearbyCurrent
    Indicates that one entity is located close to another entity at the present moment or in the current context.
  • E. establishedInstitution
    Indicates that an entity founded, created, or formally set up an institution or organization.
  • 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_69a25853594c8190b05ec3a586ec88bf completed Feb. 28, 2026, 2:52 a.m.
NER Named-entity recognition batch_69a25db00ed48190be6f598807265356 completed Feb. 28, 2026, 3:14 a.m.
NED1 Entity disambiguation (via context triple) batch_69a38b9220f08190a94ffd00bb7425fd completed March 1, 2026, 12:42 a.m.
PD Predicate disambiguation batch_69a25b70d99c819085d8381a313a2a34 completed Feb. 28, 2026, 3:05 a.m.
Created at: Feb. 28, 2026, 2:57 a.m.