Triple

T2856988
Position Surface form Disambiguated ID Type / Status
Subject Greyhound Lines E63224 entity
Predicate usesVehicleModel P12443 FINISHED
Object 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.
E305017 NE FINISHED

How this triple was built (5 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: MCI D-Series coaches | Statement: [Greyhound Lines, usesVehicleModel, MCI D-Series coaches]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MCI D-Series coaches
Context triple: [Greyhound Lines, usesVehicleModel, MCI D-Series coaches]
  • A. 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.
  • B. 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.
  • C. Bombardier BiLevel Coach
    The Bombardier BiLevel Coach is a double-decker commuter rail car widely used across North America to increase passenger capacity on regional and suburban train services.
  • D. Amfleet railcar family
    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.
  • E. Amfleet cafe car
    The Amfleet cafe car is a type of Amtrak passenger railcar equipped with a food-service area and seating, commonly used on intercity routes in the United States.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: MCI D-Series coaches
Triple: [Greyhound Lines, usesVehicleModel, MCI D-Series coaches]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: MCI D-Series coaches
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. Bombardier BiLevel Coach
    The Bombardier BiLevel Coach is a double-decker commuter rail car widely used across North America to increase passenger capacity on regional and suburban train services.
  • D. Amfleet railcar family
    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.
  • E. Amfleet cafe car
    The Amfleet cafe car is a type of Amtrak passenger railcar equipped with a food-service area and seating, commonly used on intercity routes in the United States.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: usesVehicleModel
Context triple: [Greyhound Lines, usesVehicleModel, MCI D-Series coaches]
  • A. vehicleUsed chosen
    Indicates that a particular vehicle is utilized or employed in performing an action, event, or activity.
  • B. intendedVehicle
    Indicates that one entity is the vehicle that another entity plans or is meant to use.
  • C. hasVehicle
    Indicates that one entity possesses, owns, or is assigned a vehicle.
  • D. supportsVehicle
    Indicates that one entity provides the necessary strength, stability, or structure to bear the weight of a vehicle.
  • E. appliedToVehicleType
    Indicates that something (such as a rule, restriction, or condition) is specifically applicable to a particular type or category of vehicle.
  • F. None of above.

Provenance (6 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_69ab4c41e8c08190a9e8f5249cc12610 completed March 6, 2026, 9:50 p.m.
NER Named-entity recognition batch_69abdf881bbc81908987317b88b405d0 completed March 7, 2026, 8:19 a.m.
NED1 Entity disambiguation (via context triple) batch_69b01d8d0eec8190b0b29407264fb2bd completed March 10, 2026, 1:33 p.m.
NEDg Description generation batch_69b020869d7c81909d9a00cc43f0ed7d completed March 10, 2026, 1:45 p.m.
NED2 Entity disambiguation (via description) batch_69b02122270c8190a063f09acefcbb18 completed March 10, 2026, 1:48 p.m.
PD Predicate disambiguation batch_69abdd10aef88190b750aae07e7df4dc completed March 7, 2026, 8:08 a.m.
Created at: March 6, 2026, 10:02 p.m.