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.