Triple
T844258
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Truckee |
E18242
|
entity |
| Predicate | hasRailService |
P782
|
FINISHED |
| Object | Amtrak California Zephyr |
E20719
|
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: Amtrak California Zephyr | Statement: [Truckee, hasRailService, Amtrak California Zephyr]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Amtrak California Zephyr Context triple: [Truckee, hasRailService, Amtrak California Zephyr]
-
A.
California Zephyr
chosen
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 California
Amtrak California is a state-supported intercity passenger rail program in California that oversees and brands several regional Amtrak routes, including the Capitol Corridor, San Joaquins, and Pacific Surfliner.
-
C.
Amtrak Lake Shore Limited
Amtrak Lake Shore Limited is a long-distance passenger train service that runs between Chicago and the Northeastern United States, primarily serving New York City and Boston.
-
D.
Amtrak Adirondack
Amtrak Adirondack is a long-distance passenger train service operated by Amtrak between New York City and Montreal, known for its scenic route along the Hudson River and through the Adirondack Mountains.
-
E.
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.
- 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_69a4938b04208190b82e1df6b572c548 |
completed | March 1, 2026, 7:29 p.m. |
| NER | Named-entity recognition | batch_69a4ac09249c8190a8099b94a3c9e2cc |
completed | March 1, 2026, 9:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a7cf51a5608190a739b16078f4dfb0 |
completed | March 4, 2026, 6:21 a.m. |
Created at: March 1, 2026, 7:38 p.m.