Triple
T14123721
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Old Melones Dam |
E339968
|
entity |
| Predicate | isPredecessorOf |
P97
|
FINISHED |
| Object | New Melones Dam |
E64304
|
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 Dam | Statement: [Old Melones Dam, isPredecessorOf, New Melones Dam]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: New Melones Dam Context triple: [Old Melones Dam, isPredecessorOf, New Melones Dam]
-
A.
New Melones Dam
chosen
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.
-
B.
Shasta Dam
Shasta Dam is a large concrete gravity dam on California’s Sacramento River, forming Shasta Lake and serving as a key source of water storage, hydroelectric power, and flood control for the state.
-
C.
New Melones Lake
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.
-
D.
Yuba Dam
Yuba Dam is a water-control structure in Utah that impounds the Sevier River to form Yuba Reservoir for irrigation, recreation, and flood management.
-
E.
Folsom Dam
Folsom Dam is a large concrete dam on the American River in California that provides flood control, water storage, and hydroelectric power for the Sacramento region.
- 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_69fd324531c88190abab2092d1f7145d |
completed | May 8, 2026, 12:45 a.m. |
Created at: April 9, 2026, 10:22 p.m.