Triple
T16001258
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Calpine Corporation |
E388097
|
entity |
| Predicate | hasSubsidiary |
P254
|
FINISHED |
| Object |
Calpine Energy Services, L.P.
Calpine Energy Services, L.P. is an energy marketing and services company that manages power sales, trading, and related commercial operations for Calpine Corporation’s generation portfolio.
|
E1187841
|
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 Energy Services, L.P. | Statement: [Calpine Corporation, hasSubsidiary, Calpine Energy Services, L.P.]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Calpine Energy Services, L.P. Context triple: [Calpine Corporation, hasSubsidiary, Calpine Energy Services, L.P.]
-
A.
Calpine Corporation
Calpine Corporation is a major American power company specializing in natural gas-fired and geothermal electricity generation.
-
B.
Dynegy
Dynegy is an American energy company known for its role as a major power producer and trader, notably scrutinized for its involvement in the early-2000s California electricity crisis.
-
C.
Sempra Energy
Sempra Energy is a North American energy infrastructure company that develops, owns, and operates natural gas and electric utilities and related assets.
-
D.
Vistra Corp
Vistra Corp is a large U.S. integrated retail electricity and power generation company.
-
E.
NRG Energy
NRG Energy is a large American energy company that produces and sells electricity and related services to residential, commercial, and industrial customers.
- 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 Energy Services, L.P. Triple: [Calpine Corporation, hasSubsidiary, Calpine Energy Services, L.P.]
Generated description
Calpine Energy Services, L.P. is an energy marketing and services company that manages power sales, trading, and related commercial operations for Calpine Corporation’s generation portfolio.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Calpine Energy Services, L.P. Target entity description: Calpine Energy Services, L.P. is an energy marketing and services company that manages power sales, trading, and related commercial operations for Calpine Corporation’s generation portfolio.
-
A.
Calpine Corporation
Calpine Corporation is a major American power company specializing in natural gas-fired and geothermal electricity generation.
-
B.
Dynegy
Dynegy is an American energy company known for its role as a major power producer and trader, notably scrutinized for its involvement in the early-2000s California electricity crisis.
-
C.
Sempra Energy
Sempra Energy is a North American energy infrastructure company that develops, owns, and operates natural gas and electric utilities and related assets.
-
D.
Vistra Corp
Vistra Corp is a large U.S. integrated retail electricity and power generation company.
-
E.
NRG Energy
NRG Energy is a large American energy company that produces and sells electricity and related services to residential, commercial, and industrial customers.
- 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_69d86daa562c81908aacc179c0fe8fb5 |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e157fba9748190ac8fc27b167d49f7 |
completed | April 16, 2026, 9:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffc3d99ca08190a3d07a0802b1b24a |
completed | May 9, 2026, 11:31 p.m. |
| NEDg | Description generation | batch_69ffc44e8b0c81909b8af9006aa5fc4d |
completed | May 9, 2026, 11:33 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ffc4bdf840819085e0a537e126c704 |
completed | May 9, 2026, 11:35 p.m. |
Created at: April 10, 2026, 4:55 a.m.