Triple
T14123722
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Old Melones Dam |
E339968
|
entity |
| Predicate | isCoveredBy |
P8377
|
FINISHED |
| Object | New Melones Lake |
E703542
|
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: New Melones Lake | Statement: [Old Melones Dam, isCoveredBy, New Melones Lake]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: New Melones Lake Context triple: [Old Melones Dam, isCoveredBy, New Melones Lake]
-
A.
New Melones Lake
chosen
New Melones Lake is a large man-made reservoir in California’s Sierra Nevada foothills, popular for recreation and water storage as part of the Central Valley Project.
-
B.
New Melones Dam
New Melones Dam is a large multipurpose reservoir and hydroelectric facility on the Stanislaus River in California, providing water storage, flood control, and power generation.
-
C.
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.
-
D.
Calaveras Reservoir
Calaveras Reservoir is a major water storage reservoir in California’s Diablo Range that supplies drinking water to the San Francisco Bay Area.
-
E.
Merced Lake
Merced Lake is a high-country lake in Yosemite National Park, known as a scenic backcountry destination along the Merced River and a popular stop for backpackers.
- 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_69d81c6a95b481909e39111e0c1f31ee |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de6095548881908a9e66adccca92d2 |
completed | April 14, 2026, 3:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd7a2fdd7c8190b2ebf5a18c8039f2 |
completed | May 8, 2026, 5:52 a.m. |
Created at: April 9, 2026, 10:22 p.m.