Triple
T5084861
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bechtel Corporation |
E114611
|
entity |
| Predicate | hasSubsidiary |
P254
|
FINISHED |
| Object |
Bechtel Oil, Gas & Chemicals, Inc.
Bechtel Oil, Gas & Chemicals, Inc. is a major engineering, procurement, and construction company specializing in large-scale oil, gas, and petrochemical projects worldwide.
|
E114611
|
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: Bechtel Oil, Gas & Chemicals, Inc. | Statement: [Bechtel Corporation, hasSubsidiary, Bechtel Oil, Gas & Chemicals, Inc.]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bechtel Oil, Gas & Chemicals, Inc. Context triple: [Bechtel Corporation, hasSubsidiary, Bechtel Oil, Gas & Chemicals, Inc.]
-
A.
Bechtel National, Inc.
Bechtel National, Inc. is a major U.S. engineering, construction, and project management company known for large-scale government and environmental remediation projects.
-
B.
Bechtel Corporation
Bechtel Corporation is a major American engineering, construction, and project management company known for large-scale infrastructure and energy projects worldwide.
-
C.
Chevron Phillips Chemical Company
Chevron Phillips Chemical Company is a major global petrochemical producer formed as a joint venture between Chevron Corporation and Phillips 66, specializing in the manufacture of olefins, polyolefins, and other chemical products.
-
D.
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.
-
E.
Phillips Petroleum Company
Phillips Petroleum Company was a major American oil and gas company, founded in 1917, that grew into a leading integrated energy corporation before merging with Conoco to form ConocoPhillips.
- 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: Bechtel Oil, Gas & Chemicals, Inc. Triple: [Bechtel Corporation, hasSubsidiary, Bechtel Oil, Gas & Chemicals, Inc.]
Generated description
Bechtel Oil, Gas & Chemicals, Inc. is a major engineering, procurement, and construction company specializing in large-scale oil, gas, and petrochemical projects worldwide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bechtel Oil, Gas & Chemicals, Inc. Target entity description: Bechtel Oil, Gas & Chemicals, Inc. is a major engineering, procurement, and construction company specializing in large-scale oil, gas, and petrochemical projects worldwide.
-
A.
Bechtel National, Inc.
Bechtel National, Inc. is a major U.S. engineering, construction, and project management company known for large-scale government and environmental remediation projects.
-
B.
Bechtel Corporation
chosen
Bechtel Corporation is a major American engineering, construction, and project management company known for large-scale infrastructure and energy projects worldwide.
-
C.
Chevron Phillips Chemical Company
Chevron Phillips Chemical Company is a major global petrochemical producer formed as a joint venture between Chevron Corporation and Phillips 66, specializing in the manufacture of olefins, polyolefins, and other chemical products.
-
D.
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.
-
E.
Phillips Petroleum Company
Phillips Petroleum Company was a major American oil and gas company, founded in 1917, that grew into a leading integrated energy corporation before merging with Conoco to form ConocoPhillips.
- F. None of above.
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_69bd443e941881908eb4e8c685b6f656 |
completed | March 20, 2026, 12:57 p.m. |
| NER | Named-entity recognition | batch_69bd75192d188190a7631bce5faf7de3 |
completed | March 20, 2026, 4:26 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69beb13a8be08190a0f1fc3aec224dde |
completed | March 21, 2026, 2:54 p.m. |
| NEDg | Description generation | batch_69beb22ca4148190b599b48c05e5e3da |
completed | March 21, 2026, 2:58 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69beb2c80a6881908ad29936da1240d2 |
completed | March 21, 2026, 3:01 p.m. |
Created at: March 20, 2026, 1:40 p.m.