Triple

T16001246
Position Surface form Disambiguated ID Type / Status
Subject Calpine Corporation E388097 entity
Predicate acquiredBy P347 FINISHED
Object Energy Capital Partners
Energy Capital Partners is a private equity firm that specializes in investing in North American energy infrastructure and power generation assets.
 E1187840 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: Energy Capital Partners | Statement: [Calpine Corporation, acquiredBy, Energy Capital Partners]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Energy Capital Partners
Context triple: [Calpine Corporation, acquiredBy, Energy Capital Partners]
  • A. Integral Capital Partners
    Integral Capital Partners is a technology-focused investment firm and venture capital partnership known for backing growth-stage companies in Silicon Valley.
  • B. Terra Firma Capital Partners
    Terra Firma Capital Partners is a UK-based private equity firm known for high-profile leveraged buyouts across sectors including music, real estate, and infrastructure.
  • C. Bain Capital
    Bain Capital is a prominent private investment firm based in Boston, known for its leveraged buyouts, private equity, and alternative asset management activities worldwide.
  • D. NextEquity Partners
    NextEquity Partners is a venture capital and private equity firm known for investing in growth-stage technology and innovation-driven companies.
  • E. Sycamore Partners
    Sycamore Partners is a private equity firm known for acquiring and restructuring retail and consumer brands 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: Energy Capital Partners
Triple: [Calpine Corporation, acquiredBy, Energy Capital Partners]
Generated description
Energy Capital Partners is a private equity firm that specializes in investing in North American energy infrastructure and power generation assets.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Energy Capital Partners
Target entity description: Energy Capital Partners is a private equity firm that specializes in investing in North American energy infrastructure and power generation assets.
  • A. Integral Capital Partners
    Integral Capital Partners is a technology-focused investment firm and venture capital partnership known for backing growth-stage companies in Silicon Valley.
  • B. Terra Firma Capital Partners
    Terra Firma Capital Partners is a UK-based private equity firm known for high-profile leveraged buyouts across sectors including music, real estate, and infrastructure.
  • C. Bain Capital
    Bain Capital is a prominent private investment firm based in Boston, known for its leveraged buyouts, private equity, and alternative asset management activities worldwide.
  • D. NextEquity Partners
    NextEquity Partners is a venture capital and private equity firm known for investing in growth-stage technology and innovation-driven companies.
  • E. Sycamore Partners
    Sycamore Partners is a private equity firm known for acquiring and restructuring retail and consumer brands 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_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.