Triple
T17596826
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hetch Hetchy Power System |
E428593
|
entity |
| Predicate | hasPart |
P35
|
FINISHED |
| Object |
Kirkwood Powerhouse
Kirkwood Powerhouse is a hydroelectric generating facility within San Francisco’s Hetch Hetchy Power System that converts water from the Hetch Hetchy project into electricity.
|
E1278181
|
NE FINISHED |
How this triple was built (4 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: Kirkwood Powerhouse | Statement: [Hetch Hetchy Power System, hasPart, Kirkwood Powerhouse]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kirkwood Powerhouse Context triple: [Hetch Hetchy Power System, hasPart, Kirkwood Powerhouse]
-
A.
Oak Grove Powerhouse
Oak Grove Powerhouse is a hydroelectric generating station that converts water released from Oak Grove Dam into electrical power.
-
B.
R. H. Saunders Generating Station
R. H. Saunders Generating Station is a major hydroelectric power facility on the St. Lawrence River that forms part of the binational Moses–Saunders Power Dam complex between Canada and the United States.
-
C.
Palisades Powerplant
Palisades Powerplant is a hydroelectric generating facility in Idaho that produces electricity using water released from Palisades Dam on the Snake River.
-
D.
Shanan Power House
Shanan Power House is a hydroelectric power station in Himachal Pradesh, India, that generates electricity using the waters of the Uhl River.
-
E.
Healy Power Plant
Healy Power Plant is a coal-fired power generation facility located near the community of Healy in interior Alaska.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Kirkwood Powerhouse Triple: [Hetch Hetchy Power System, hasPart, Kirkwood Powerhouse]
Generated description
Kirkwood Powerhouse is a hydroelectric generating facility within San Francisco’s Hetch Hetchy Power System that converts water from the Hetch Hetchy project into electricity.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Kirkwood Powerhouse Target entity description: Kirkwood Powerhouse is a hydroelectric generating facility within San Francisco’s Hetch Hetchy Power System that converts water from the Hetch Hetchy project into electricity.
-
A.
Oak Grove Powerhouse
Oak Grove Powerhouse is a hydroelectric generating station that converts water released from Oak Grove Dam into electrical power.
-
B.
R. H. Saunders Generating Station
R. H. Saunders Generating Station is a major hydroelectric power facility on the St. Lawrence River that forms part of the binational Moses–Saunders Power Dam complex between Canada and the United States.
-
C.
Palisades Powerplant
Palisades Powerplant is a hydroelectric generating facility in Idaho that produces electricity using water released from Palisades Dam on the Snake River.
-
D.
Shanan Power House
Shanan Power House is a hydroelectric power station in Himachal Pradesh, India, that generates electricity using the waters of the Uhl River.
-
E.
Healy Power Plant
Healy Power Plant is a coal-fired power generation facility located near the community of Healy in interior Alaska.
- F. None of above. chosen
Provenance (5 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_69d889e1030481909950e140c63255b9 |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e469ec335c8190abcaff700cfff23b |
completed | April 19, 2026, 5:36 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a01e817f7248190b7166fbd28393b00 |
completed | May 11, 2026, 2:30 p.m. |
| NEDg | Description generation | batch_6a01f002f630819088bc0b7506ceb4d7 |
completed | May 11, 2026, 3:04 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a01f0ebf9e4819091d1b59964c6a275 |
completed | May 11, 2026, 3:08 p.m. |
Created at: April 10, 2026, 5:51 a.m.