Triple

T3264669
Position Surface form Disambiguated ID Type / Status
Subject New Carrollton, Maryland E68495 entity
Predicate transitHubFor P15892 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: [New Carrollton, Maryland, transitHubFor, Amtrak]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Amtrak
Context triple: [New Carrollton, Maryland, transitHubFor, 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: transitHubFor
Context triple: [New Carrollton, Maryland, transitHubFor, Amtrak]
  • A. transportationFacility
    Indicates that one entity is a facility or location used for the transportation or transit of people or goods in relation to another entity.
  • B. interchangeStation chosen
    Indicates a station where passengers can transfer between different routes, lines, or modes of transportation.
  • C. transportationJunctionFor
    Indicates a location that serves as a connecting point where multiple transportation routes or modes meet, intersect, or transfer.
  • D. publicTransitStop
    Indicates that a location serves as a designated stop or station where public transit vehicles (such as buses, trains, or trams) pick up and drop off passengers.
  • E. transportHubType
    Indicates the specific category or kind of transport hub associated with an entity (e.g., airport, train station, bus terminal).
  • 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_69ad8590444081909e8107a8aeef3a23 completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adafcb2da08190a7f4fefdfe6d0098 completed March 8, 2026, 5:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69b28e864a1c8190b56ab9e80f72e48c completed March 12, 2026, 9:59 a.m.
PD Predicate disambiguation batch_69ada41d7eac8190ada4bf5f793d5c49 completed March 8, 2026, 4:30 p.m.
Created at: March 8, 2026, 3:09 p.m.