Triple

T386567
Position Surface form Disambiguated ID Type / Status
Subject Inman Square E8790 entity
Predicate notServedDirectlyBy P3875 FINISHED
Object MBTA rapid transit E761 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: MBTA rapid transit | Statement: [Inman Square, notServedDirectlyBy, MBTA rapid transit]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MBTA rapid transit
Context triple: [Inman Square, notServedDirectlyBy, MBTA rapid transit]
  • A. 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.
  • B. MBTA Commuter Rail network
    The MBTA Commuter Rail network is a regional passenger rail system serving Greater Boston and surrounding communities in Massachusetts and parts of Rhode Island.
  • C. MBTA Green Line
    The MBTA Green Line is a light rail service in Boston, Massachusetts, known as one of the oldest subway lines in the United States and serving key neighborhoods, universities, and cultural destinations across the city.
  • D. MBTA Silver Line
    The MBTA Silver Line is a bus rapid transit service in Boston that operates in dedicated lanes and tunnels, linking key neighborhoods, Logan Airport, and South Station.
  • E. MBTA Red Line chosen
    The MBTA Red Line is a major rapid transit line in the Boston metropolitan area that runs through key communities including Cambridge, connecting them to downtown Boston and other parts of the region.
  • 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: notServedDirectlyBy
Context triple: [Inman Square, notServedDirectlyBy, MBTA rapid transit]
  • A. doesNotServe chosen
    Indicates that one entity explicitly does not provide a service, function, or role to another entity.
  • B. isServedAt
    Indicates that something (such as food, drink, or a service) is provided or made available at a particular place or venue.
  • C. servedByService
    Indicates that something is provided, handled, or fulfilled by a particular service.
  • D. alsoServes
    Indicates that an entity, in addition to its primary role or function, provides service or support to another specified entity or group.
  • E. notObservedIn
    Indicates that a particular entity, event, or property has not been detected, recorded, or seen within a specified context, dataset, or environment.
  • 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_69a2e7f47dd08190a4e294ccbbe46cd4 completed Feb. 28, 2026, 1:04 p.m.
NER Named-entity recognition batch_69a2ec447b5481908a5a084787b44ced completed Feb. 28, 2026, 1:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69a58030d0e48190a6390478e62f8659 completed March 2, 2026, 12:18 p.m.
PD Predicate disambiguation batch_69a2e967d84c8190a6b647f78d95d4e4 completed Feb. 28, 2026, 1:11 p.m.
Created at: Feb. 28, 2026, 1:08 p.m.