Triple
T17392330
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Jasper Ridge Biological Preserve |
E422851
|
entity |
| Predicate | hasFeature |
P182
|
FINISHED |
| Object | Searsville Dam |
—
|
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: Searsville Dam | Statement: [Jasper Ridge Biological Preserve, hasFeature, Searsville Dam]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Searsville Dam Context triple: [Jasper Ridge Biological Preserve, hasFeature, Searsville Dam]
-
A.
Chaffey Dam
Chaffey Dam is a major water storage reservoir in New South Wales, Australia, primarily used for irrigation, town water supply, and flood mitigation.
-
B.
Fengman Dam
Fengman Dam is a large hydroelectric gravity dam on the Songhua River in Jilin Province, China, known for its significant role in regional power generation and flood control.
-
C.
Hollywood Dam
Hollywood Dam is a concrete arch-gravity dam in the Hollywood Hills of Los Angeles that impounds the Hollywood Reservoir as part of the city’s water supply system.
-
D.
Indian Valley Dam
Indian Valley Dam is an earth-fill embankment dam in Lake County, California, that creates Indian Valley Reservoir for water storage, flood control, and recreation along Cache Creek.
-
E.
O’Neill Dam
O’Neill Dam is an earthfill embankment dam in California that forms the O’Neill Forebay as part of the state’s Central Valley Project water storage and conveyance system.
- 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: Searsville Dam Target entity description: Searsville Dam is a historic concrete gravity dam in San Mateo County, California, that created Searsville Lake and now plays a central role in local water management, ecology, and research within Stanford University’s Jasper Ridge Biological Preserve.
-
A.
Chaffey Dam
Chaffey Dam is a major water storage reservoir in New South Wales, Australia, primarily used for irrigation, town water supply, and flood mitigation.
-
B.
Fengman Dam
Fengman Dam is a large hydroelectric gravity dam on the Songhua River in Jilin Province, China, known for its significant role in regional power generation and flood control.
-
C.
Hollywood Dam
Hollywood Dam is a concrete arch-gravity dam in the Hollywood Hills of Los Angeles that impounds the Hollywood Reservoir as part of the city’s water supply system.
-
D.
Indian Valley Dam
Indian Valley Dam is an earth-fill embankment dam in Lake County, California, that creates Indian Valley Reservoir for water storage, flood control, and recreation along Cache Creek.
-
E.
O’Neill Dam
O’Neill Dam is an earthfill embankment dam in California that forms the O’Neill Forebay as part of the state’s Central Valley Project water storage and conveyance system.
- F. None of above. chosen
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_69d889d710288190bf0f4762801fefae |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e43abb23888190812aad44288c90fd |
completed | April 19, 2026, 2:15 a.m. |
Created at: April 10, 2026, 5:45 a.m.