Triple

T7605927
Position Surface form Disambiguated ID Type / Status
Subject Amtrak Cascades E180103 entity
Predicate primaryCorridor P3034 FINISHED
Object Eugene–Portland–Seattle–Vancouver corridor
The Eugene–Portland–Seattle–Vancouver corridor is a major north–south passenger rail and transportation route in the Pacific Northwest, linking key cities in Oregon, Washington, and British Columbia.
E676343 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: Eugene–Portland–Seattle–Vancouver corridor | Statement: [Amtrak Cascades, primaryCorridor, Eugene–Portland–Seattle–Vancouver corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Eugene–Portland–Seattle–Vancouver corridor
Context triple: [Amtrak Cascades, primaryCorridor, Eugene–Portland–Seattle–Vancouver corridor]
  • A. Vancouver–Seattle corridor
    The Vancouver–Seattle corridor is a major bi-national urban and transportation axis linking metropolitan regions in southwestern British Columbia and northwestern Washington State.
  • B. Seattle–Tacoma urban corridor
    The Seattle–Tacoma urban corridor is a densely developed metropolitan region in western Washington State that encompasses and connects the major cities of Seattle and Tacoma along the Puget Sound.
  • C. Empire Corridor
    The Empire Corridor is a major passenger rail route in New York State, running from New York City through the Hudson Valley and up to cities such as Albany and Buffalo.
  • D. Portland–Vancouver–Salem CSA
    The Portland–Vancouver–Salem CSA is a large multi-county combined statistical area in the Pacific Northwest centered on Portland, Oregon, and including surrounding urban and suburban regions in both Oregon and Washington.
  • E. Los Angeles–Seattle rail corridor
    The Los Angeles–Seattle rail corridor is a major long-distance passenger rail route in the western United States, connecting Southern California with the Pacific Northwest along the coast.
  • 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: Eugene–Portland–Seattle–Vancouver corridor
Triple: [Amtrak Cascades, primaryCorridor, Eugene–Portland–Seattle–Vancouver corridor]
Generated description
The Eugene–Portland–Seattle–Vancouver corridor is a major north–south passenger rail and transportation route in the Pacific Northwest, linking key cities in Oregon, Washington, and British Columbia.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Eugene–Portland–Seattle–Vancouver corridor
Target entity description: The Eugene–Portland–Seattle–Vancouver corridor is a major north–south passenger rail and transportation route in the Pacific Northwest, linking key cities in Oregon, Washington, and British Columbia.
  • A. Vancouver–Seattle corridor
    The Vancouver–Seattle corridor is a major bi-national urban and transportation axis linking metropolitan regions in southwestern British Columbia and northwestern Washington State.
  • B. Seattle–Tacoma urban corridor
    The Seattle–Tacoma urban corridor is a densely developed metropolitan region in western Washington State that encompasses and connects the major cities of Seattle and Tacoma along the Puget Sound.
  • C. Empire Corridor
    The Empire Corridor is a major passenger rail route in New York State, running from New York City through the Hudson Valley and up to cities such as Albany and Buffalo.
  • D. Portland–Vancouver–Salem CSA
    The Portland–Vancouver–Salem CSA is a large multi-county combined statistical area in the Pacific Northwest centered on Portland, Oregon, and including surrounding urban and suburban regions in both Oregon and Washington.
  • E. Los Angeles–Seattle rail corridor
    The Los Angeles–Seattle rail corridor is a major long-distance passenger rail route in the western United States, connecting Southern California with the Pacific Northwest along the coast.
  • 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_69c69f3567008190ab01d2ca7b53584a completed March 27, 2026, 3:16 p.m.
NER Named-entity recognition batch_69c6f9fcfcfc8190a29a0b5cd3e8927a completed March 27, 2026, 9:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69c86853e1fc8190b16cdf779057c804 completed March 28, 2026, 11:46 p.m.
NEDg Description generation batch_69c868fb7fe48190a1b7ab0e824e2984 completed March 28, 2026, 11:49 p.m.
NED2 Entity disambiguation (via description) batch_69c8697782d48190a6830f91800d3505 completed March 28, 2026, 11:51 p.m.
Created at: March 27, 2026, 3:54 p.m.