Triple
T10617191
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Waterfront Station |
E276150
|
entity |
| Predicate | isMajorHubFor |
P164
|
FINISHED |
| Object | West Coast Express network |
E354837
|
NE FINISHED |
How this triple was built (2 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 network | Statement: [Waterfront Station, isMajorHubFor, West Coast Express network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: West Coast Express network Context triple: [Waterfront Station, isMajorHubFor, West Coast Express network]
-
A.
West Coast Express
chosen
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.
-
B.
Amtrak Capitol Corridor
Amtrak Capitol Corridor is a passenger rail service in Northern California that connects Sacramento, the San Francisco Bay Area, and San Jose with frequent, commuter-oriented trains.
-
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.
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.
-
E.
SP Coast Line between Los Angeles and San Francisco
The SP Coast Line between Los Angeles and San Francisco is a historic Southern Pacific Railroad coastal route in California known for its scenic ocean views and passenger services such as the famed Coast Daylight.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d6aaf948d88190806cc3a8c47a3fb2 |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d6df6e2df4819099a19b59d90d0dd1 |
completed | April 8, 2026, 11:06 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d97a2c8a048190b9a62f1c68ac217a |
completed | April 10, 2026, 10:31 p.m. |
Created at: April 8, 2026, 7:33 p.m.