Triple

T16001249
Position Surface form Disambiguated ID Type / Status
Subject Calpine Corporation E388097 entity
Predicate operates P24 FINISHED
Object The Geysers geothermal complex E83372 NE FINISHED

How this triple was built (2 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: The Geysers geothermal complex | Statement: [Calpine Corporation, operates, The Geysers geothermal complex]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: The Geysers geothermal complex
Context triple: [Calpine Corporation, operates, The Geysers geothermal complex]
  • A. The Geysers geothermal field chosen
    The Geysers geothermal field is a major geothermal energy production area in Northern California, known as one of the largest geothermal power complexes in the world.
  • B. Brawley Geothermal Field
    Brawley Geothermal Field is a geothermal resource area in Southern California known for its high-temperature geothermal reservoirs and associated power generation within the Salton Trough.
  • C. Salton Sea Geothermal Field
    The Salton Sea Geothermal Field is a major high-temperature geothermal resource in Southern California’s Salton Trough, known for its active power production and association with mineral-rich brines.
  • D. 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.
  • 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.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ffcf1edc7c81908fdd0fa00418d7a7 completed May 10, 2026, 12:19 a.m.
Created at: April 10, 2026, 4:55 a.m.