Triple
T2501374
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | El Segundo, California |
E52470
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object |
Chevron El Segundo Refinery
Chevron El Segundo Refinery is a major oil refining complex in El Segundo, California, and one of the largest and oldest refineries on the U.S. West Coast.
|
E272547
|
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: Chevron El Segundo Refinery | Statement: [El Segundo, California, hasLandmark, Chevron El Segundo Refinery]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chevron El Segundo Refinery Context triple: [El Segundo, California, hasLandmark, Chevron El Segundo Refinery]
-
A.
Chevron Richmond Refinery
The Chevron Richmond Refinery is a major oil refining complex in Richmond, California, known for its large-scale petroleum processing operations and significant economic and environmental impact on the region.
-
B.
Rand Refinery
Rand Refinery is one of the world’s largest gold refineries and smelting complexes, playing a central role in processing and distributing South African gold.
-
C.
Columbia Aquila refinery
The Columbia Aquila refinery was a major oil processing facility in Ploiești, Romania, that became a key strategic bombing objective for the Allies during World War II.
-
D.
Concordia Vega refinery
Concordia Vega refinery is an industrial oil processing facility located close to the Columbia Aquila refinery.
-
E.
Houston petrochemical complex
The Houston petrochemical complex is one of the world’s largest concentrations of oil refining and chemical manufacturing facilities, forming a major hub of the U.S. energy and chemical industries.
- 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: Chevron El Segundo Refinery Triple: [El Segundo, California, hasLandmark, Chevron El Segundo Refinery]
Generated description
Chevron El Segundo Refinery is a major oil refining complex in El Segundo, California, and one of the largest and oldest refineries on the U.S. West Coast.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chevron El Segundo Refinery Target entity description: Chevron El Segundo Refinery is a major oil refining complex in El Segundo, California, and one of the largest and oldest refineries on the U.S. West Coast.
-
A.
Chevron Richmond Refinery
The Chevron Richmond Refinery is a major oil refining complex in Richmond, California, known for its large-scale petroleum processing operations and significant economic and environmental impact on the region.
-
B.
Rand Refinery
Rand Refinery is one of the world’s largest gold refineries and smelting complexes, playing a central role in processing and distributing South African gold.
-
C.
Columbia Aquila refinery
The Columbia Aquila refinery was a major oil processing facility in Ploiești, Romania, that became a key strategic bombing objective for the Allies during World War II.
-
D.
Concordia Vega refinery
Concordia Vega refinery is an industrial oil processing facility located close to the Columbia Aquila refinery.
-
E.
Houston petrochemical complex
The Houston petrochemical complex is one of the world’s largest concentrations of oil refining and chemical manufacturing facilities, forming a major hub of the U.S. energy and chemical industries.
- 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_69ab4957b3a88190adf968ae0c1b931c |
completed | March 6, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69abd1b144a481909b1f8d96742a92e7 |
completed | March 7, 2026, 7:20 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af1fa0e26481908e383a6d44b3f3d5 |
completed | March 9, 2026, 7:29 p.m. |
| NEDg | Description generation | batch_69af204c84c48190b56ee7c00bf2f996 |
completed | March 9, 2026, 7:32 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69af20fa30948190b2408ad9eefce79b |
completed | March 9, 2026, 7:35 p.m. |
Created at: March 6, 2026, 9:46 p.m.