Triple

T6706560
Position Surface form Disambiguated ID Type / Status
Subject Belridge Oil Field E153020 entity
Predicate primaryProducingFormation P4015 FINISHED
Object Etchegoin Formation
The Etchegoin Formation is a geologic unit in California’s San Joaquin Basin known for its significant petroleum reservoirs, particularly in major fields such as the Belridge Oil Field.
 E615899 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: Etchegoin Formation | Statement: [Belridge Oil Field, primaryProducingFormation, Etchegoin Formation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Etchegoin Formation
Context triple: [Belridge Oil Field, primaryProducingFormation, Etchegoin Formation]
  • A. Vermejo Formation
    The Vermejo Formation is a Late Cretaceous sedimentary rock unit in the Raton Basin of the western United States, known for its coal-bearing strata and significance in regional stratigraphy.
  • B. Areyonga Formation
    The Areyonga Formation is a geological rock unit within central Australia's Amadeus Basin, known for its sedimentary sequences that record Proterozoic environmental and tectonic history.
  • C. Carmel Formation
    The Carmel Formation is a Middle Jurassic geologic unit of the western United States, characterized by marine and marginal-marine sediments that record a transition from desert dune environments to shallow seas.
  • D. Djadokhta Formation
    The Djadokhta Formation is a Late Cretaceous sedimentary rock unit in Mongolia renowned for its exceptionally well-preserved dinosaur fossils, including iconic theropods and other desert-adapted fauna.
  • E. Barun Goyot Formation
    The Barun Goyot Formation is a Late Cretaceous sedimentary rock formation in Mongolia renowned for its rich fossil beds, including remains of the dinosaur Velociraptor.
  • 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: Etchegoin Formation
Triple: [Belridge Oil Field, primaryProducingFormation, Etchegoin Formation]
Generated description
The Etchegoin Formation is a geologic unit in California’s San Joaquin Basin known for its significant petroleum reservoirs, particularly in major fields such as the Belridge Oil Field.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Etchegoin Formation
Target entity description: The Etchegoin Formation is a geologic unit in California’s San Joaquin Basin known for its significant petroleum reservoirs, particularly in major fields such as the Belridge Oil Field.
  • A. Vermejo Formation
    The Vermejo Formation is a Late Cretaceous sedimentary rock unit in the Raton Basin of the western United States, known for its coal-bearing strata and significance in regional stratigraphy.
  • B. Areyonga Formation
    The Areyonga Formation is a geological rock unit within central Australia's Amadeus Basin, known for its sedimentary sequences that record Proterozoic environmental and tectonic history.
  • C. Carmel Formation
    The Carmel Formation is a Middle Jurassic geologic unit of the western United States, characterized by marine and marginal-marine sediments that record a transition from desert dune environments to shallow seas.
  • D. Djadokhta Formation
    The Djadokhta Formation is a Late Cretaceous sedimentary rock unit in Mongolia renowned for its exceptionally well-preserved dinosaur fossils, including iconic theropods and other desert-adapted fauna.
  • E. Barun Goyot Formation
    The Barun Goyot Formation is a Late Cretaceous sedimentary rock formation in Mongolia renowned for its rich fossil beds, including remains of the dinosaur Velociraptor.
  • 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_69c68808d8d8819087369015270788fe completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6d7c94bac8190ae4b236d1b04bec9 completed March 27, 2026, 7:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69c70af6d1608190887c5d9f94ffe9fa completed March 27, 2026, 10:55 p.m.
NEDg Description generation batch_69c70c6ec7bc81909c37dbe33ce6a57d completed March 27, 2026, 11:02 p.m.
NED2 Entity disambiguation (via description) batch_69c70cae43bc8190a88b07bd99b91196 completed March 27, 2026, 11:03 p.m.
Created at: March 27, 2026, 2:06 p.m.