Triple
T11713840
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Casa Diablo power plants |
E278440
|
entity |
| Predicate | heatSource |
P38384
|
FINISHED |
| Object |
Long Valley Caldera geothermal system
The Long Valley Caldera geothermal system is a high-temperature hydrothermal reservoir in eastern California that taps the volcanic heat of the Long Valley Caldera to drive geothermal power generation and support regional geothermal activity.
|
E278439
|
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: Long Valley Caldera geothermal system | Statement: [Casa Diablo power plants, heatSource, Long Valley Caldera geothermal system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Long Valley Caldera geothermal system Context triple: [Casa Diablo power plants, heatSource, Long Valley Caldera geothermal system]
-
A.
Lassen Volcanic National Park hydrothermal system
The Lassen Volcanic National Park hydrothermal system is a geothermally active area in northern California characterized by boiling springs, fumaroles, mud pots, and other volcanic features powered by the park’s underlying magma.
-
B.
Heber Geothermal Field
Heber Geothermal Field is a significant geothermal resource area in Southern California’s Imperial Valley, known for its high-temperature reservoirs used for electric power generation.
-
C.
Devil’s Kitchen geothermal area
Devil’s Kitchen geothermal area is a hydrothermal region in Lassen Volcanic National Park known for its boiling springs, steaming fumaroles, and bubbling mud pots.
-
D.
Casa Diablo geothermal field
Casa Diablo geothermal field is a geothermal power and hot-spring area near California’s Long Valley Caldera that taps volcanic heat for energy production.
-
E.
Hell’s Gate geothermal reserve
Hell’s Gate geothermal reserve is a dramatic geothermal attraction near Rotorua in New Zealand, known for its boiling mud pools, steaming vents, and other intense volcanic features.
- 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: Long Valley Caldera geothermal system Triple: [Casa Diablo power plants, heatSource, Long Valley Caldera geothermal system]
Generated description
The Long Valley Caldera geothermal system is a high-temperature hydrothermal reservoir in eastern California that taps the volcanic heat of the Long Valley Caldera to drive geothermal power generation and support regional geothermal activity.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Long Valley Caldera geothermal system Target entity description: The Long Valley Caldera geothermal system is a high-temperature hydrothermal reservoir in eastern California that taps the volcanic heat of the Long Valley Caldera to drive geothermal power generation and support regional geothermal activity.
-
A.
Lassen Volcanic National Park hydrothermal system
The Lassen Volcanic National Park hydrothermal system is a geothermally active area in northern California characterized by boiling springs, fumaroles, mud pots, and other volcanic features powered by the park’s underlying magma.
-
B.
Heber Geothermal Field
Heber Geothermal Field is a significant geothermal resource area in Southern California’s Imperial Valley, known for its high-temperature reservoirs used for electric power generation.
-
C.
Devil’s Kitchen geothermal area
Devil’s Kitchen geothermal area is a hydrothermal region in Lassen Volcanic National Park known for its boiling springs, steaming fumaroles, and bubbling mud pots.
-
D.
Casa Diablo geothermal field
chosen
Casa Diablo geothermal field is a geothermal power and hot-spring area near California’s Long Valley Caldera that taps volcanic heat for energy production.
-
E.
Hell’s Gate geothermal reserve
Hell’s Gate geothermal reserve is a dramatic geothermal attraction near Rotorua in New Zealand, known for its boiling mud pools, steaming vents, and other intense volcanic features.
- F. None of above.
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_69d6aaff2ce88190b4a1e4b341ad5377 |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d8a4bf54d88190a8e07fbbf8d9e962 |
completed | April 10, 2026, 7:20 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f0196916e081908671e79765d03778 |
completed | April 28, 2026, 2:20 a.m. |
| NEDg | Description generation | batch_69f0319271788190a105828ae7582668 |
completed | April 28, 2026, 4:03 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f05a44dcb88190a0bb57b0c8fef6b9 |
completed | April 28, 2026, 6:57 a.m. |
Created at: April 8, 2026, 9:40 p.m.