Triple
T5617905
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Coast Starlight |
E147522
|
entity |
| Predicate | usesRailNetwork |
P15040
|
FINISHED |
| Object | UP Shasta Route (partial) |
E266576
|
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: UP Shasta Route (partial) | Statement: [Amtrak Coast Starlight, usesRailNetwork, UP Shasta Route (partial)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: UP Shasta Route (partial) Context triple: [Amtrak Coast Starlight, usesRailNetwork, UP Shasta Route (partial)]
-
A.
Shasta Route
chosen
The Shasta Route was a scenic rail line in the Pacific Northwest known for connecting California and Oregon through the Cascade Range under the Southern Pacific Railroad.
-
B.
Sierra Nevada transportation corridor
The Sierra Nevada transportation corridor is a major east–west route across California’s Sierra Nevada mountains that carries key highway and rail lines linking the state’s Central Valley with Nevada and the broader interior West.
-
C.
Applegate–Lassen Route
The Applegate–Lassen Route was an alternative emigrant trail in the mid-19th century that branched off the main California Trail to provide a northern route into California and southern Oregon.
-
D.
Glacier Point Road
Glacier Point Road is a scenic mountain road in Yosemite National Park that climbs from the Yosemite Valley area to the famous Glacier Point overlook, offering expansive views of Half Dome and the surrounding Sierra Nevada.
-
E.
San Joaquins route
The San Joaquins route is an Amtrak passenger rail service in California that connects the San Francisco Bay Area and Sacramento with the Central Valley and Bakersfield.
- 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_69c00905d4588190bd967842bbcf2219 |
completed | March 22, 2026, 3:21 p.m. |
| NER | Named-entity recognition | batch_69c021dc04c081909f36e40394e7c955 |
completed | March 22, 2026, 5:07 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c0287d9d7081909a1b2510565b55fc |
completed | March 22, 2026, 5:35 p.m. |
Created at: March 22, 2026, 3:40 p.m.