Triple
T1422824
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Southern Pacific Cab Forward locomotive |
E30261
|
entity |
| Predicate | railroadLineUsedOn |
P15040
|
FINISHED |
| Object | Shasta Route |
E15321
|
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: Shasta Route | Statement: [Southern Pacific Cab Forward locomotive, railroadLineUsedOn, Shasta Route]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Shasta Route Context triple: [Southern Pacific Cab Forward locomotive, railroadLineUsedOn, Shasta Route]
-
A.
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.
-
B.
John Muir Trail
The John Muir Trail is a long-distance hiking route in California renowned for its spectacular alpine scenery as it passes through Yosemite, Kings Canyon, and Sequoia National Parks.
-
C.
Sierra Nevada transportation corridor
chosen
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.
-
D.
High Sierra Trail
The High Sierra Trail is a renowned long-distance hiking route in California’s Sierra Nevada that traverses dramatic alpine terrain from the western side of the range to Mount Whitney.
-
E.
San Francisco Pass
San Francisco Pass is a high-altitude Andean mountain pass on the border between Argentina and Chile, used as an international crossing near Nevado San Francisco.
- 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_69a498fb823c8190a67ce4c4837e641a |
completed | March 1, 2026, 7:52 p.m. |
| NER | Named-entity recognition | batch_69a4c9df014081908a6e2f41ba012ecc |
completed | March 1, 2026, 11:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad232534f48190b1392c2fba119b7c |
completed | March 8, 2026, 7:20 a.m. |
Created at: March 1, 2026, 8 p.m.