Triple
T23135482
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Rancheria Falls |
E577307
|
entity |
| Predicate | isPartOf |
P10
|
FINISHED |
| Object | Hetch Hetchy watershed |
—
|
NE NERFINISHED |
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: Hetch Hetchy watershed | Statement: [Rancheria Falls, isPartOf, Hetch Hetchy watershed]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hetch Hetchy watershed Context triple: [Rancheria Falls, isPartOf, Hetch Hetchy watershed]
-
A.
Hetch Hetchy Regional Water System
The Hetch Hetchy Regional Water System is a major water supply and delivery network that provides high-quality drinking water from Sierra Nevada sources to San Francisco and numerous Bay Area communities.
-
B.
Hetch Hetchy Reservoir
Hetch Hetchy Reservoir is a man-made lake in Yosemite National Park that stores water and generates hydroelectric power for the San Francisco Bay Area.
-
C.
Hetch Hetchy Valley
chosen
Hetch Hetchy Valley is a glacially carved valley in Yosemite National Park, California, best known for its scenic granite cliffs and for being largely submerged by the Hetch Hetchy Reservoir that supplies water to the San Francisco Bay Area.
-
D.
Kaweah River watershed
The Kaweah River watershed is a mountainous drainage basin in California’s southern Sierra Nevada that channels snowmelt and rainfall through steep canyons and forests before flowing into the San Joaquin Valley.
-
E.
Matilija Reservoir
Matilija Reservoir is a man-made lake in Ventura County, California, created by Matilija Dam on Matilija Creek and known for its role in regional water supply, sediment buildup issues, and ongoing dam removal and river restoration efforts.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e245f7b0e481909c473ff4e6a54e2c |
completed | April 17, 2026, 2:38 p.m. |
| NER | Named-entity recognition | batch_69f18e8b694c8190b9ead00ea0576d90 |
completed | April 29, 2026, 4:52 a.m. |
Created at: April 17, 2026, 4 p.m.