Triple

T2565337
Position Surface form Disambiguated ID Type / Status
Subject Long Valley Caldera E57336 entity
Predicate geothermalDevelopmentArea P15520 FINISHED
Object Casa Diablo power plants
Casa Diablo power plants are a group of geothermal power facilities near Mammoth Lakes, California, that generate electricity by tapping the volcanic heat of the Long Valley Caldera.
E278440 NE FINISHED

How this triple was built (5 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: Casa Diablo power plants | Statement: [Long Valley Caldera, geothermalDevelopmentArea, Casa Diablo power plants]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Casa Diablo power plants
Context triple: [Long Valley Caldera, geothermalDevelopmentArea, Casa Diablo power plants]
  • A. Devil Canyon Powerplant
    Devil Canyon Powerplant is a hydroelectric generating facility in Southern California that produces power as part of the State Water Project’s water conveyance and energy system.
  • B. Hyatt Powerplant
    Hyatt Powerplant is a major hydroelectric generating facility in California that harnesses water from Lake Oroville as part of the State Water Project’s power and water delivery system.
  • C. Glenwood Power Station
    Glenwood Power Station is an early 20th-century, now-abandoned industrial power plant on the Hudson River in Yonkers, New York, noted for its grand Beaux-Arts architecture and historic significance.
  • D. Comanche Peak Nuclear Power Plant
    Comanche Peak Nuclear Power Plant is a commercial nuclear power generating facility in North Texas that supplies electricity to the region and is one of the state’s major nuclear power stations.
  • E. Kingston Fossil Plant
    Kingston Fossil Plant is a large coal-fired power plant operated by the Tennessee Valley Authority, known for its significant electricity generation and for a major coal ash spill in 2008.
  • 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: Casa Diablo power plants
Triple: [Long Valley Caldera, geothermalDevelopmentArea, Casa Diablo power plants]
Generated description
Casa Diablo power plants are a group of geothermal power facilities near Mammoth Lakes, California, that generate electricity by tapping the volcanic heat of the Long Valley Caldera.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Casa Diablo power plants
Target entity description: Casa Diablo power plants are a group of geothermal power facilities near Mammoth Lakes, California, that generate electricity by tapping the volcanic heat of the Long Valley Caldera.
  • A. Devil Canyon Powerplant
    Devil Canyon Powerplant is a hydroelectric generating facility in Southern California that produces power as part of the State Water Project’s water conveyance and energy system.
  • B. Hyatt Powerplant
    Hyatt Powerplant is a major hydroelectric generating facility in California that harnesses water from Lake Oroville as part of the State Water Project’s power and water delivery system.
  • C. Glenwood Power Station
    Glenwood Power Station is an early 20th-century, now-abandoned industrial power plant on the Hudson River in Yonkers, New York, noted for its grand Beaux-Arts architecture and historic significance.
  • D. Comanche Peak Nuclear Power Plant
    Comanche Peak Nuclear Power Plant is a commercial nuclear power generating facility in North Texas that supplies electricity to the region and is one of the state’s major nuclear power stations.
  • E. Kingston Fossil Plant
    Kingston Fossil Plant is a large coal-fired power plant operated by the Tennessee Valley Authority, known for its significant electricity generation and for a major coal ash spill in 2008.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: geothermalDevelopmentArea
Context triple: [Long Valley Caldera, geothermalDevelopmentArea, Casa Diablo power plants]
  • A. hasGeothermalPotential chosen
    Indicates that an entity possesses conditions suitable for generating or exploiting geothermal energy.
  • B. geologicalHazardZoneFor
    Indicates a relationship where a specified area or zone is identified as being at risk from a particular geological hazard (such as earthquakes, landslides, or volcanic activity).
  • C. volcanicProvince
    Indicates a relationship where a geographic area is classified as a volcanic province, meaning it is characterized by related volcanic features or activity.
  • D. governanceArea
    Indicates the geographic or jurisdictional area over which an entity has governing authority or responsibility.
  • E. hasGeologicalActivity
    Indicates that an entity exhibits or is associated with ongoing or past geological processes such as volcanism, tectonics, or seismic activity.
  • F. None of above.

Provenance (6 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_69ab4a4ef9008190a0e6d4422b9418b7 completed March 6, 2026, 9:42 p.m.
NER Named-entity recognition batch_69abd35dce0081909fcac5ac5ad6b841 completed March 7, 2026, 7:27 a.m.
NED1 Entity disambiguation (via context triple) batch_69af5d283ab48190a04fab64a6492306 completed March 9, 2026, 11:52 p.m.
NEDg Description generation batch_69af5dea244c81909bd6bcdba0edf958 completed March 9, 2026, 11:55 p.m.
NED2 Entity disambiguation (via description) batch_69af5e69ac3481908f48ad0efcd13767 completed March 9, 2026, 11:57 p.m.
PD Predicate disambiguation batch_69abd0cc8d308190ae7aa32b8f5ae2e5 completed March 7, 2026, 7:16 a.m.
Created at: March 6, 2026, 9:48 p.m.