Triple

T23317365
Position Surface form Disambiguated ID Type / Status
Subject Downeaster E590745 entity
Predicate usesPassengerCars P151844 FINISHED
Object Amfleet coaches NE NERFINISHED

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: Amfleet coaches | Statement: [Downeaster, usesPassengerCars, Amfleet coaches]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Amfleet coaches
Context triple: [Downeaster, usesPassengerCars, Amfleet coaches]
  • A. Amfleet I coaches
    Amfleet I coaches are single-level, tubular stainless-steel passenger railcars built by Budd in the 1970s for Amtrak’s short- to medium-distance corridor services, especially in the Northeastern United States.
  • B. Amfleet II coaches
    Amfleet II coaches are long-distance passenger railcars used by Amtrak, known for their single-level design, enhanced seating comfort, and use on overnight and extended-route services in the United States.
  • C. MCI D-Series coaches
    MCI D-Series coaches are a line of long-distance, intercity motorcoaches manufactured by Motor Coach Industries and widely used by major bus operators across North America.
  • D. Mack Super-Liner
    The Mack Super-Liner is a heavy-duty, long-haul conventional truck model renowned for its durability, power, and iconic status in North American trucking.
  • E. Amfleet railcar family chosen
    The Amfleet railcar family is a series of stainless-steel, tubular passenger coaches built by Budd for Amtrak in the 1970s and 1980s, widely used on intercity and regional routes across the United States.
  • 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: usesPassengerCars
Context triple: [Downeaster, usesPassengerCars, Amfleet coaches]
  • A. numberOfPassengerCars
    Indicates the total count of passenger cars associated with or contained in a given entity or context.
  • B. hasVehicularUse
    Indicates that something is used for, intended for, or associated with operation by vehicles or vehicular traffic.
  • C. isPassengerOnly
    Indicates that the subject entity is restricted to passenger use only and does not accommodate cargo, freight, or mixed-use purposes.
  • D. usedAsVehicleFor
    Indicates that one entity functions as a means of transportation or conveyance for another entity.
  • E. usedInCar
    Indicates that something is utilized as a component, feature, or element within a car.
  • F. None of above. chosen

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_69e25d1d32188190948eb76909d1dcc3 completed April 17, 2026, 4:17 p.m.
NER Named-entity recognition batch_69f197828c408190ae071624e40de4cc completed April 29, 2026, 5:30 a.m.
PD Predicate disambiguation batch_69effcf8ca2c8190887d4f4656617d21 completed April 28, 2026, 12:19 a.m.
PDg Predicate description generation batch_69f01d88b4ec8190a2a17a88e0eda178 completed April 28, 2026, 2:38 a.m.
Created at: April 17, 2026, 5:06 p.m.