Triple
T13607468
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Castaic Lake |
E325101
|
entity |
| Predicate | associatedStructure |
P14529
|
FINISHED |
| Object | Castaic Dam |
E69543
|
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: Castaic Dam | Statement: [Castaic Lake, associatedStructure, Castaic Dam]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Castaic Dam Context triple: [Castaic Lake, associatedStructure, Castaic Dam]
-
A.
Castaic Dam
chosen
Castaic Dam is a large embankment dam in Los Angeles County, California, that forms Castaic Lake and plays a key role in water storage and hydroelectric power generation for Southern California.
-
B.
Perris Dam
Perris Dam is a large earthfill embankment dam in Riverside County, California, that forms Lake Perris as part of the state’s major water storage and distribution system.
-
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.
El Capitan Dam
El Capitan Dam is a large concrete arch dam in San Diego County, California, built for water storage, flood control, and recreation.
-
E.
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.
- 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_69d80769eaf081909d82f44e484d6113 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69dbb07f462c8190b5b5e115d550037f |
completed | April 12, 2026, 2:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff01ce8f988190b503af0cd5f2a97e |
completed | May 9, 2026, 9:43 a.m. |
Created at: April 9, 2026, 9:50 p.m.