Triple

T639137
Position Surface form Disambiguated ID Type / Status
Subject CharlieTicket E16692 entity
Predicate fareMediaFor P1303 FINISHED
Object MBTA subway E118535 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 subway | Statement: [CharlieTicket, fareMediaFor, MBTA subway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MBTA subway
Context triple: [CharlieTicket, fareMediaFor, MBTA subway]
  • 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. Boston subway chosen
    The Boston subway, officially known as the MBTA or "the T," is one of the oldest public transit systems in the United States, serving the Greater Boston area with an extensive network of underground and surface rail lines.
  • C. MBTA Red Line
    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.
  • D. 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.
  • E. 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.
  • 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: fareMediaFor
Context triple: [CharlieTicket, fareMediaFor, MBTA subway]
  • A. fareMedia chosen
    Indicates that a particular type of ticket, pass, or payment instrument is used as the medium for paying a fare.
  • B. fareProduct
    Indicates a relationship where a specific fare or price offering is associated with a particular product or service option.
  • C. fare
    Indicates the price or cost required for a person or thing to be transported by a particular mode of travel or service.
  • D. fareType
    Indicates the category or class of fare (such as standard, discounted, or promotional) that applies to a given trip, ticket, or pricing instance.
  • E. featuredOn
    Indicates that one entity is prominently presented, highlighted, or showcased on or within another entity (such as a platform, publication, or product).
  • 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_69a4936be1c88190af56540324b57da7 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a17b125481909a6ab53424954792 completed March 1, 2026, 8:28 p.m.
NED1 Entity disambiguation (via context triple) batch_69aca2caba8c81908ef693677acbd4cc completed March 7, 2026, 10:12 p.m.
PD Predicate disambiguation batch_69a49d0629308190bcc137639567f7c2 completed March 1, 2026, 8:09 p.m.
Created at: March 1, 2026, 7:35 p.m.