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.