Triple
T18524316
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | J.C. Boyle Dam |
E452673
|
entity |
| Predicate | locatedUpstreamOf |
P5955
|
FINISHED |
| Object | Copco 1 Dam |
—
|
NE NERFINISHED |
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: Copco 1 Dam | Statement: [J.C. Boyle Dam, locatedUpstreamOf, Copco 1 Dam]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Copco 1 Dam Context triple: [J.C. Boyle Dam, locatedUpstreamOf, Copco 1 Dam]
-
A.
Copco Dam No. 1
chosen
Copco Dam No. 1 is a hydroelectric dam on the Klamath River in northern California, historically used for power generation and now central to regional river restoration and dam removal efforts.
-
B.
Copco No. 2 Dam
Copco No. 2 Dam is a small hydroelectric dam on the Klamath River in northern California that is slated for removal as part of a major river restoration effort.
-
C.
Cornalvo Dam
Cornalvo Dam is an ancient Roman gravity dam in Spain, renowned for its well-preserved engineering and role in supplying water to the city of Mérida.
-
D.
San Carlos Dam
San Carlos Dam is a major concrete gravity dam in Arizona that creates San Carlos Lake and provides irrigation water, flood control, and hydroelectric power along the Gila River.
-
E.
Sepulveda Dam
Sepulveda Dam is a large flood-control structure on the Los Angeles River in the San Fernando Valley, built by the U.S. Army Corps of Engineers to protect downstream communities from seasonal flooding.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69d8d387b5548190aa030dad2cb4947e |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e533908b0c81908725baf828aa46ff |
completed | April 19, 2026, 7:57 p.m. |
Created at: April 10, 2026, 11:37 a.m.