Triple

T6411187
Position Surface form Disambiguated ID Type / Status
Subject Amtrak Acela E127707 entity
Predicate isFlagshipServiceOf P70495 FINISHED
Object Amtrak E1072 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: Amtrak | Statement: [Amtrak Acela, isFlagshipServiceOf, Amtrak]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Amtrak
Context triple: [Amtrak Acela, isFlagshipServiceOf, Amtrak]
  • A. Amtrak chosen
    Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
  • B. Amtrak California
    Amtrak California is a state-supported intercity passenger rail program in California that oversees and brands several regional Amtrak routes, including the Capitol Corridor, San Joaquins, and Pacific Surfliner.
  • C. Amtrak Thruway Motorcoach
    Amtrak Thruway Motorcoach is a network of intercity bus services that connect communities without rail stations to Amtrak’s passenger train system across various regions in the United States.
  • D. Amtrak Keystone Service
    Amtrak Keystone Service is a passenger rail service operated by Amtrak that runs primarily between New York City and Harrisburg, Pennsylvania, providing frequent regional connections along the Keystone Corridor.
  • E. Amtrak Heartland Flyer
    The Amtrak Heartland Flyer is a daily passenger train route that operates between Oklahoma City, Oklahoma, and Fort Worth, Texas, providing regional rail service through the Southern Plains.
  • 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: isFlagshipServiceOf
Context triple: [Amtrak Acela, isFlagshipServiceOf, Amtrak]
  • A. hasFlagshipIn
    Indicates that an entity designates a particular location or branch as its primary or flagship presence.
  • B. serviceOf
    Indicates that one entity performs, provides, or fulfills a function or duty on behalf of another entity.
  • C. isFullServiceCarrier
    Indicates that an airline operates as a full-service carrier, providing a wide range of services (such as checked baggage, in-flight meals, and multiple cabin classes) typically included in the ticket price.
  • D. isServedAt
    Indicates that something (such as food, drink, or a service) is provided or made available at a particular place or venue.
  • E. isServiceCentreFor
    Indicates that one entity functions as a service center that provides support, maintenance, or related services for another entity.
  • F. None of above. chosen

Provenance (5 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_69c0083723d88190b1e37b19df162c08 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c068d0f2b88190af06c208d8c01d07 completed March 22, 2026, 10:10 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6386784008190b0ac82804a4ee30e completed March 27, 2026, 7:57 a.m.
PD Predicate disambiguation batch_69c060f40ecc8190b1df17b96767675c completed March 22, 2026, 9:36 p.m.
PDg Predicate description generation batch_69c0623d23448190a75cf5d802fc0a02 completed March 22, 2026, 9:42 p.m.
Created at: March 22, 2026, 4:41 p.m.