Triple
T15484062
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Crystal Springs Dam |
E376996
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Hetch Hetchy Regional Water System |
E546722
|
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: Hetch Hetchy Regional Water System | Statement: [Crystal Springs Dam, partOf, Hetch Hetchy Regional Water System]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hetch Hetchy Regional Water System Context triple: [Crystal Springs Dam, partOf, Hetch Hetchy Regional Water System]
-
A.
Hetch Hetchy Regional Water System
chosen
The Hetch Hetchy Regional Water System is a major water supply and delivery network that provides high-quality drinking water from Sierra Nevada sources to San Francisco and numerous Bay Area communities.
-
B.
Hetch Hetchy Reservoir
Hetch Hetchy Reservoir is a man-made lake in Yosemite National Park that stores water and generates hydroelectric power for the San Francisco Bay Area.
-
C.
Hetch Hetchy Power System
The Hetch Hetchy Power System is a municipal hydroelectric power network that generates and delivers clean electricity to San Francisco and surrounding public facilities.
-
D.
Pepacton Reservoir
Pepacton Reservoir is a large man-made lake in the Catskill Mountains of New York that serves as a major component of New York City's drinking water supply system.
-
E.
Hetch Hetchy Aqueduct
The Hetch Hetchy Aqueduct is a major water conveyance system that transports drinking water from the Hetch Hetchy Reservoir in Yosemite National Park to the San Francisco Bay Area.
- 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_69d85cd21dcc81908646251b1c26ea00 |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69e03f8e6ff08190b130b3a38f4190e7 |
completed | April 16, 2026, 1:46 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff2d0f4e648190b9cd9b1464209224 |
completed | May 9, 2026, 12:48 p.m. |
Created at: April 10, 2026, 3:45 a.m.