Triple
T3347329
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | EMD F59PHI |
E70405
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
West Coast Express
West Coast Express is a commuter rail service in British Columbia, Canada, that operates weekday trains between downtown Vancouver and its eastern suburbs along the north shore of the Fraser River.
|
E354837
|
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: West Coast Express | Statement: [EMD F59PHI, operator, West Coast Express]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: West Coast Express Context triple: [EMD F59PHI, operator, West Coast Express]
-
A.
California Zephyr
The California Zephyr is a long-distance passenger train route in the United States that runs through the Rocky Mountains and Sierra Nevada, often regarded as one of the most scenic rail journeys in North America.
-
B.
Amtrak Coast Starlight
The Amtrak Coast Starlight is a long-distance passenger train running between Seattle and Los Angeles, renowned for its scenic route along the West Coast of the United States.
-
C.
Amtrak Cascades
Amtrak Cascades is a passenger rail service in the Pacific Northwest that operates between Eugene, Oregon and Vancouver, British Columbia, connecting major cities such as Portland and Seattle.
-
D.
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.
-
E.
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.
- 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: West Coast Express Triple: [EMD F59PHI, operator, West Coast Express]
Generated description
West Coast Express is a commuter rail service in British Columbia, Canada, that operates weekday trains between downtown Vancouver and its eastern suburbs along the north shore of the Fraser River.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: West Coast Express Target entity description: West Coast Express is a commuter rail service in British Columbia, Canada, that operates weekday trains between downtown Vancouver and its eastern suburbs along the north shore of the Fraser River.
-
A.
California Zephyr
The California Zephyr is a long-distance passenger train route in the United States that runs through the Rocky Mountains and Sierra Nevada, often regarded as one of the most scenic rail journeys in North America.
-
B.
Amtrak Coast Starlight
The Amtrak Coast Starlight is a long-distance passenger train running between Seattle and Los Angeles, renowned for its scenic route along the West Coast of the United States.
-
C.
Amtrak Cascades
Amtrak Cascades is a passenger rail service in the Pacific Northwest that operates between Eugene, Oregon and Vancouver, British Columbia, connecting major cities such as Portland and Seattle.
-
D.
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.
-
E.
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.
- 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_69ad85a4ef7c8190a29e2bbd6fa454e4 |
completed | March 8, 2026, 2:20 p.m. |
| NER | Named-entity recognition | batch_69adb21c64448190a29631ea8f029868 |
completed | March 8, 2026, 5:30 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b34bba09b481908f448aa1e6fe60be |
completed | March 12, 2026, 11:26 p.m. |
| NEDg | Description generation | batch_69b34e44bd748190a9c6c67be6bcb9de |
completed | March 12, 2026, 11:37 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b34ed57bf0819080fa0eb8e6875cb6 |
completed | March 12, 2026, 11:40 p.m. |
Created at: March 8, 2026, 3:12 p.m.