Triple
T3778912
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | The Geysers geothermal field |
E83372
|
entity |
| Predicate | hasOperator |
P179
|
FINISHED |
| Object |
Calpine Corporation
Calpine Corporation is a major American power company specializing in natural gas-fired and geothermal electricity generation.
|
E388097
|
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: Calpine Corporation | Statement: [The Geysers geothermal field, hasOperator, Calpine Corporation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Calpine Corporation Context triple: [The Geysers geothermal field, hasOperator, Calpine Corporation]
-
A.
Vistra Corp
Vistra Corp is a large U.S. integrated retail electricity and power generation company.
-
B.
NRG Energy
NRG Energy is a large American energy company that produces and sells electricity and related services to residential, commercial, and industrial customers.
-
C.
Reliant Energy
Reliant Energy is a U.S.-based retail electricity provider and energy company known for supplying power to residential and commercial customers, particularly in Texas.
-
D.
PacifiCorp
PacifiCorp is a major U.S. electric utility company serving customers across several Western states.
-
E.
Exelon
Exelon is a major American energy company and utility services holding corporation, known for operating one of the largest fleets of nuclear power plants in the United States.
- 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: Calpine Corporation Triple: [The Geysers geothermal field, hasOperator, Calpine Corporation]
Generated description
Calpine Corporation is a major American power company specializing in natural gas-fired and geothermal electricity generation.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Calpine Corporation Target entity description: Calpine Corporation is a major American power company specializing in natural gas-fired and geothermal electricity generation.
-
A.
Vistra Corp
Vistra Corp is a large U.S. integrated retail electricity and power generation company.
-
B.
NRG Energy
NRG Energy is a large American energy company that produces and sells electricity and related services to residential, commercial, and industrial customers.
-
C.
Reliant Energy
Reliant Energy is a U.S.-based retail electricity provider and energy company known for supplying power to residential and commercial customers, particularly in Texas.
-
D.
PacifiCorp
PacifiCorp is a major U.S. electric utility company serving customers across several Western states.
-
E.
Exelon
Exelon is a major American energy company and utility services holding corporation, known for operating one of the largest fleets of nuclear power plants in the United States.
- 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_69ad8b235e608190b5a2b1d1bfcef50b |
completed | March 8, 2026, 2:43 p.m. |
| NER | Named-entity recognition | batch_69adcc78173081908b230017834cdf9e |
completed | March 8, 2026, 7:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b4f03d3df48190a4b2382059b7bb24 |
completed | March 14, 2026, 5:21 a.m. |
| NEDg | Description generation | batch_69b4f1aeef248190922102fcee343239 |
completed | March 14, 2026, 5:27 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b4f239fd348190a6a1704dab4894b4 |
completed | March 14, 2026, 5:29 a.m. |
Created at: March 8, 2026, 3:36 p.m.