Triple

T6402616
Position Surface form Disambiguated ID Type / Status
Subject Amtrak Empire Builder E144098 entity
Predicate namedAfter P63 FINISHED
Object Great Northern Railway Empire Builder
The Great Northern Railway Empire Builder was a premier transcontinental passenger train operated by the Great Northern Railway between Chicago and the Pacific Northwest, renowned for its scenic route through the northern United States.
E144098 NE FINISHED

How this triple was built (4 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: Great Northern Railway Empire Builder | Statement: [Amtrak Empire Builder, namedAfter, Great Northern Railway Empire Builder]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Great Northern Railway Empire Builder
Context triple: [Amtrak Empire Builder, namedAfter, Great Northern Railway Empire Builder]
  • A. Amtrak Empire Builder
    The Amtrak Empire Builder is a long-distance passenger train route that runs between Chicago and the Pacific Northwest, offering scenic views of the northern United States.
  • B. Royal Blue passenger train
    The Royal Blue passenger train was a famed luxury streamliner that provided premier passenger service between New York City and Washington, D.C. for the Baltimore and Ohio Railroad.
  • C. Amtrak Adirondack
    Amtrak Adirondack is a long-distance passenger train service operated by Amtrak between New York City and Montreal, known for its scenic route along the Hudson River and through the Adirondack Mountains.
  • D. Amtrak Sunset Limited
    The Amtrak Sunset Limited is a long-distance passenger train route that runs between the American South and West, offering overnight service with Superliner bi-level cars.
  • E. Amtrak Lake Shore Limited
    Amtrak Lake Shore Limited is a long-distance passenger train service that runs between Chicago and the Northeastern United States, primarily serving New York City and Boston.
  • 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: Great Northern Railway Empire Builder
Triple: [Amtrak Empire Builder, namedAfter, Great Northern Railway Empire Builder]
Generated description
The Great Northern Railway Empire Builder was a premier transcontinental passenger train operated by the Great Northern Railway between Chicago and the Pacific Northwest, renowned for its scenic route through the northern United States.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Great Northern Railway Empire Builder
Target entity description: The Great Northern Railway Empire Builder was a premier transcontinental passenger train operated by the Great Northern Railway between Chicago and the Pacific Northwest, renowned for its scenic route through the northern United States.
  • A. Amtrak Empire Builder chosen
    The Amtrak Empire Builder is a long-distance passenger train route that runs between Chicago and the Pacific Northwest, offering scenic views of the northern United States.
  • B. Royal Blue passenger train
    The Royal Blue passenger train was a famed luxury streamliner that provided premier passenger service between New York City and Washington, D.C. for the Baltimore and Ohio Railroad.
  • C. Amtrak Adirondack
    Amtrak Adirondack is a long-distance passenger train service operated by Amtrak between New York City and Montreal, known for its scenic route along the Hudson River and through the Adirondack Mountains.
  • D. Amtrak Sunset Limited
    The Amtrak Sunset Limited is a long-distance passenger train route that runs between the American South and West, offering overnight service with Superliner bi-level cars.
  • E. Amtrak Lake Shore Limited
    Amtrak Lake Shore Limited is a long-distance passenger train service that runs between Chicago and the Northeastern United States, primarily serving New York City and Boston.
  • F. None of above.

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_69c008dc56fc81908d43ffcc11d73bdd completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c068ade8c881908a0472f1de6b7c21 completed March 22, 2026, 10:09 p.m.
NED1 Entity disambiguation (via context triple) batch_69c638a6e6248190bda7ad3fbd8f4746 completed March 27, 2026, 7:58 a.m.
NEDg Description generation batch_69c63a25424c81908f065e1576973275 completed March 27, 2026, 8:04 a.m.
NED2 Entity disambiguation (via description) batch_69c63ab1e13c8190941888ed65574f7d completed March 27, 2026, 8:07 a.m.
Created at: March 22, 2026, 4:35 p.m.