Triple

T13101387
Position Surface form Disambiguated ID Type / Status
Subject 1969 Santa Barbara oil spill E310726 entity
Predicate operator P179 FINISHED
Object Union Oil
Union Oil was a major American petroleum company, historically significant as a prominent West Coast oil producer and refiner later absorbed into Chevron.
E1019149 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: Union Oil | Statement: [1969 Santa Barbara oil spill, operator, Union Oil]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Union Oil
Context triple: [1969 Santa Barbara oil spill, operator, Union Oil]
  • A. Belridge Oil Company
    Belridge Oil Company was a major California-based petroleum firm known for developing and operating significant oil fields before being acquired by Shell Oil in the late 20th century.
  • B. Waha Oil Company
    Waha Oil Company is a major Libyan oil producer and operator of several key oil fields and pipelines, playing a significant role in the country’s petroleum industry.
  • C. Hunt Oil Company
    Hunt Oil Company is a major American independent oil and gas exploration and production firm known for its global operations and role in the energy industry.
  • D. Murphy Oil
    Murphy Oil is an American independent energy company primarily engaged in the exploration, production, and marketing of oil and natural gas.
  • E. Kerr-McGee Oil Industries
    Kerr-McGee Oil Industries was a major American energy company involved in oil and gas exploration, production, and chemical manufacturing before its acquisition by Anadarko Petroleum in 2006.
  • 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: Union Oil
Triple: [1969 Santa Barbara oil spill, operator, Union Oil]
Generated description
Union Oil was a major American petroleum company, historically significant as a prominent West Coast oil producer and refiner later absorbed into Chevron.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Union Oil
Target entity description: Union Oil was a major American petroleum company, historically significant as a prominent West Coast oil producer and refiner later absorbed into Chevron.
  • A. Belridge Oil Company
    Belridge Oil Company was a major California-based petroleum firm known for developing and operating significant oil fields before being acquired by Shell Oil in the late 20th century.
  • B. Waha Oil Company
    Waha Oil Company is a major Libyan oil producer and operator of several key oil fields and pipelines, playing a significant role in the country’s petroleum industry.
  • C. Hunt Oil Company
    Hunt Oil Company is a major American independent oil and gas exploration and production firm known for its global operations and role in the energy industry.
  • D. Murphy Oil
    Murphy Oil is an American independent energy company primarily engaged in the exploration, production, and marketing of oil and natural gas.
  • E. Kerr-McGee Oil Industries
    Kerr-McGee Oil Industries was a major American energy company involved in oil and gas exploration, production, and chemical manufacturing before its acquisition by Anadarko Petroleum in 2006.
  • 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_69d806a872d08190a329806f8ff30df4 completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69d981515d488190908d3cca1b84a42d completed April 10, 2026, 11:01 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6d61d88888190bfc631b759f14598 completed May 3, 2026, 4:59 a.m.
NEDg Description generation batch_69f6d7123cc48190985360c3ab76a6d0 completed May 3, 2026, 5:03 a.m.
NED2 Entity disambiguation (via description) batch_69f6d7bc235481909799b57e44f0aef2 completed May 3, 2026, 5:06 a.m.
Created at: April 9, 2026, 9:04 p.m.