Triple

T5540
Position Surface form Disambiguated ID Type / Status
Subject Chicago, Illinois, United States E108 entity
Predicate isRailHubFor P523 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: [Chicago, Illinois, United States, isRailHubFor, Amtrak]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Amtrak
Context triple: [Chicago, Illinois, United States, isRailHubFor, 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. Pennsylvania Railroad Company
    The Pennsylvania Railroad Company was one of the largest and most influential American railroads of the 19th and early 20th centuries, playing a central role in the industrial development of the United States.
  • C. MBTA Fitchburg Line
    The MBTA Fitchburg Line is a commuter rail route in the Greater Boston area that runs between Boston and Fitchburg, serving numerous suburban communities along the way.
  • D. United States Department of Transportation
    The United States Department of Transportation is a federal executive department responsible for national transportation policy, safety regulation, and infrastructure across modes such as highways, aviation, rail, and transit.
  • E. TriMet
    TriMet is the regional public transportation agency serving the Portland, Oregon metropolitan area, operating buses, light rail, and commuter rail services.
  • 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: isRailHubFor
Context triple: [Chicago, Illinois, United States, isRailHubFor, Amtrak]
  • A. operatesBy
    Indicates that an entity performs its function, action, or process through the use or application of another entity (e.g., a method, mechanism, or principle).
  • B. charteredIn
    Indicates that an organization or entity has been formally established, authorized, or incorporated within a specified jurisdiction or location.
  • C. recognizedAs
    Indicates that one entity is acknowledged or accepted as having the identity, role, status, or classification of another entity.
  • D. hasPart
    Indicates that one entity is a component, segment, or constituent part of another entity.
  • E. hasOnlinePlatform
    Indicates that an entity operates, maintains, or is associated with a presence or service on an online platform.
  • 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_69a238d6b47881909e68288aed2fd858 completed Feb. 28, 2026, 12:37 a.m.
NER Named-entity recognition batch_69a23c24b3d08190a714126292fd5479 completed Feb. 28, 2026, 12:51 a.m.
NED1 Entity disambiguation (via context triple) batch_69a248d5b92481909a846984a8639067 completed Feb. 28, 2026, 1:45 a.m.
PD Predicate disambiguation batch_69a23998af288190855f0456740cbd51 completed Feb. 28, 2026, 12:40 a.m.
PDg Predicate description generation batch_69a23c23fef88190ba5d6d86acd4a66f completed Feb. 28, 2026, 12:51 a.m.
Created at: Feb. 28, 2026, 12:40 a.m.