Triple

T6759376
Position Surface form Disambiguated ID Type / Status
Subject Northern Pacific Railway E154551 entity
Predicate operatedService P5884 FINISHED
Object North Coast Limited
The North Coast Limited was a premier transcontinental passenger train that ran between Chicago and the Pacific Northwest, renowned for its scenic route and luxury service.
E618673 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: North Coast Limited | Statement: [Northern Pacific Railway, operatedService, North Coast Limited]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: North Coast Limited
Context triple: [Northern Pacific Railway, operatedService, North Coast Limited]
  • A. Lake Shore Limited
    The Lake Shore Limited is a long-distance Amtrak passenger train that runs overnight between Chicago and the East Coast, primarily serving New York City and Boston via the Great Lakes region.
  • B. Sunset Limited
    Sunset Limited is a long-distance Amtrak passenger train route that runs across the southern United States, historically connecting the Gulf Coast to the West Coast.
  • C. Piedmont Limited
    The Piedmont Limited was a prominent Southern Railway passenger train that provided long-distance service in the southeastern United States during the early to mid-20th century.
  • D. Overland Limited
    The Overland Limited was a premier American transcontinental passenger train that operated between Chicago and San Francisco, symbolizing luxury rail travel across the western United States in the late 19th and early 20th centuries.
  • E. KiwiRail
    KiwiRail is New Zealand’s state-owned rail operator responsible for the country’s national rail network and freight and passenger rail services.
  • 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: North Coast Limited
Triple: [Northern Pacific Railway, operatedService, North Coast Limited]
Generated description
The North Coast Limited was a premier transcontinental passenger train that ran between Chicago and the Pacific Northwest, renowned for its scenic route and luxury service.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: North Coast Limited
Target entity description: The North Coast Limited was a premier transcontinental passenger train that ran between Chicago and the Pacific Northwest, renowned for its scenic route and luxury service.
  • A. Lake Shore Limited
    The Lake Shore Limited is a long-distance Amtrak passenger train that runs overnight between Chicago and the East Coast, primarily serving New York City and Boston via the Great Lakes region.
  • B. Sunset Limited
    Sunset Limited is a long-distance Amtrak passenger train route that runs across the southern United States, historically connecting the Gulf Coast to the West Coast.
  • C. Piedmont Limited
    The Piedmont Limited was a prominent Southern Railway passenger train that provided long-distance service in the southeastern United States during the early to mid-20th century.
  • D. Overland Limited
    The Overland Limited was a premier American transcontinental passenger train that operated between Chicago and San Francisco, symbolizing luxury rail travel across the western United States in the late 19th and early 20th centuries.
  • E. KiwiRail
    KiwiRail is New Zealand’s state-owned rail operator responsible for the country’s national rail network and freight and passenger rail services.
  • 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_69c6880fd5808190be684854081e27dd completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6d21143748190beaab2488971d65b completed March 27, 2026, 6:53 p.m.
NED1 Entity disambiguation (via context triple) batch_69c712b0926c81909601f21407526fd9 completed March 27, 2026, 11:28 p.m.
NEDg Description generation batch_69c7135106288190b5b20523c3efa229 completed March 27, 2026, 11:31 p.m.
NED2 Entity disambiguation (via description) batch_69c7141cd52c8190a783590ad1067840 completed March 27, 2026, 11:34 p.m.
Created at: March 27, 2026, 2:12 p.m.