Triple
T17542847
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | San Francisco Public Utilities Commission |
E427245
|
entity |
| Predicate | sourceOfWater |
P12617
|
FINISHED |
| Object | Tuolumne River watershed |
—
|
NE NERFINISHED |
How this triple was built (3 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: Tuolumne River watershed | Statement: [San Francisco Public Utilities Commission, sourceOfWater, Tuolumne River watershed]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tuolumne River watershed Context triple: [San Francisco Public Utilities Commission, sourceOfWater, Tuolumne River watershed]
-
A.
Kings River watershed
The Kings River watershed is the drainage basin in California’s southern Sierra Nevada that collects and channels water from mountain headwaters through the Kings River system to downstream reservoirs, farms, and communities.
-
B.
Kern River watershed
The Kern River watershed is the entire land area in California’s southern Sierra Nevada whose surface water drains into the Kern River system, encompassing its tributaries, headwaters, and surrounding catchment.
-
C.
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.
-
D.
Yuba River watershed
The Yuba River watershed is the drainage basin in Northern California that collects and channels water from the Sierra Nevada into the Yuba River system.
-
E.
Tuolumne River
The Tuolumne River is a major Sierra Nevada waterway in California known for its scenic alpine meadows, deep granite canyons, and popular whitewater rafting and fishing opportunities.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tuolumne River watershed Target entity description: The Tuolumne River watershed is a major Sierra Nevada river basin in California that supplies drinking water and hydroelectric power to the San Francisco Bay Area while supporting important ecological and recreational resources.
-
A.
Kings River watershed
The Kings River watershed is the drainage basin in California’s southern Sierra Nevada that collects and channels water from mountain headwaters through the Kings River system to downstream reservoirs, farms, and communities.
-
B.
Kern River watershed
The Kern River watershed is the entire land area in California’s southern Sierra Nevada whose surface water drains into the Kern River system, encompassing its tributaries, headwaters, and surrounding catchment.
-
C.
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.
-
D.
Yuba River watershed
The Yuba River watershed is the drainage basin in Northern California that collects and channels water from the Sierra Nevada into the Yuba River system.
-
E.
Tuolumne River
chosen
The Tuolumne River is a major Sierra Nevada waterway in California known for its scenic alpine meadows, deep granite canyons, and popular whitewater rafting and fishing opportunities.
- F. None of above.
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_69d889df6dc081908f67dbadc03c07ee |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e4545f1fa08190870c9244d06cf5f6 |
completed | April 19, 2026, 4:04 a.m. |
Created at: April 10, 2026, 5:49 a.m.