Triple
T960291
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | California Zephyr |
E20719
|
entity |
| Predicate | traverses |
P416
|
FINISHED |
| Object |
Feather River Canyon (historic alignment)
Feather River Canyon (historic alignment) is a scenic rail route through the rugged Feather River gorge in the Sierra Nevada of California, historically used by transcontinental passenger trains.
|
E113446
|
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: Feather River Canyon (historic alignment) | Statement: [California Zephyr, traverses, Feather River Canyon (historic alignment)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Feather River Canyon (historic alignment) Context triple: [California Zephyr, traverses, Feather River Canyon (historic alignment)]
-
A.
Kern River Canyon
Kern River Canyon is a rugged, steep-walled gorge carved by the Kern River in California’s southern Sierra Nevada, known for its dramatic scenery and challenging access.
-
B.
Kaweah River canyon
Kaweah River canyon is a deep, rugged gorge in California’s Sierra Nevada carved by the Kaweah River, known for its dramatic scenery and steep granite walls.
-
C.
Norris Canyon, California
Norris Canyon, California is a small unincorporated community in Contra Costa County known for its rural residential character and rolling East Bay hills.
-
D.
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.
-
E.
Navarin Canyon
Navarin Canyon is a large submarine canyon in the Bering Sea known for its complex seafloor topography and rich marine ecosystems.
- 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: Feather River Canyon (historic alignment) Triple: [California Zephyr, traverses, Feather River Canyon (historic alignment)]
Generated description
Feather River Canyon (historic alignment) is a scenic rail route through the rugged Feather River gorge in the Sierra Nevada of California, historically used by transcontinental passenger trains.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Feather River Canyon (historic alignment) Target entity description: Feather River Canyon (historic alignment) is a scenic rail route through the rugged Feather River gorge in the Sierra Nevada of California, historically used by transcontinental passenger trains.
-
A.
Kern River Canyon
Kern River Canyon is a rugged, steep-walled gorge carved by the Kern River in California’s southern Sierra Nevada, known for its dramatic scenery and challenging access.
-
B.
Kaweah River canyon
Kaweah River canyon is a deep, rugged gorge in California’s Sierra Nevada carved by the Kaweah River, known for its dramatic scenery and steep granite walls.
-
C.
Norris Canyon, California
Norris Canyon, California is a small unincorporated community in Contra Costa County known for its rural residential character and rolling East Bay hills.
-
D.
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.
-
E.
Navarin Canyon
Navarin Canyon is a large submarine canyon in the Bering Sea known for its complex seafloor topography and rich marine ecosystems.
- 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_69a493b21f2881908132dcf45dcd2f36 |
completed | March 1, 2026, 7:29 p.m. |
| NER | Named-entity recognition | batch_69a4b412f9f48190be123e8c20f38962 |
completed | March 1, 2026, 9:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac11a3f8c481908f9ed37c44788cb7 |
completed | March 7, 2026, 11:53 a.m. |
| NEDg | Description generation | batch_69ac1339634c8190b83c39db30fc78b1 |
completed | March 7, 2026, 11:59 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac13931cf081908de84000f7b037fc |
completed | March 7, 2026, 12:01 p.m. |
Created at: March 1, 2026, 7:40 p.m.