Triple
T20023441
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pennsylvania v. Union Gas Co. |
E494917
|
entity |
| Predicate | respondent |
P2238
|
FINISHED |
| Object |
Union Gas Company
Union Gas Company is an energy utility firm that was a party to the U.S. Supreme Court case Pennsylvania v. Union Gas Co., which addressed issues of state sovereign immunity and federal environmental regulation.
|
E1406813
|
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 Gas Company | Statement: [Pennsylvania v. Union Gas Co., respondent, Union Gas Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Union Gas Company Context triple: [Pennsylvania v. Union Gas Co., respondent, Union Gas Company]
-
A.
Gas South
Gas South is a U.S.-based natural gas provider serving residential, commercial, and industrial customers, particularly in the southeastern United States.
-
B.
Georgia Natural Gas
Georgia Natural Gas is a major natural gas marketer in Georgia, providing retail energy services to residential and commercial customers.
-
C.
Enbridge Gas Inc.
Enbridge Gas Inc. is a major Canadian natural gas distribution company serving residential, commercial, and industrial customers, primarily in Ontario.
-
D.
South Oil Company
South Oil Company is a major Iraqi state-owned oil enterprise responsible for exploration, production, and development of oil fields primarily in the southern region of Iraq.
-
E.
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.
- 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 Gas Company Triple: [Pennsylvania v. Union Gas Co., respondent, Union Gas Company]
Generated description
Union Gas Company is an energy utility firm that was a party to the U.S. Supreme Court case Pennsylvania v. Union Gas Co., which addressed issues of state sovereign immunity and federal environmental regulation.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Union Gas Company Target entity description: Union Gas Company is an energy utility firm that was a party to the U.S. Supreme Court case Pennsylvania v. Union Gas Co., which addressed issues of state sovereign immunity and federal environmental regulation.
-
A.
Gas South
Gas South is a U.S.-based natural gas provider serving residential, commercial, and industrial customers, particularly in the southeastern United States.
-
B.
Georgia Natural Gas
Georgia Natural Gas is a major natural gas marketer in Georgia, providing retail energy services to residential and commercial customers.
-
C.
Enbridge Gas Inc.
Enbridge Gas Inc. is a major Canadian natural gas distribution company serving residential, commercial, and industrial customers, primarily in Ontario.
-
D.
South Oil Company
South Oil Company is a major Iraqi state-owned oil enterprise responsible for exploration, production, and development of oil fields primarily in the southern region of Iraq.
-
E.
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.
- 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_69da626bfd288190aa5d65098b6433ae |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e6628a1ecc8190bf6ee0bedb61e0b8 |
completed | April 20, 2026, 5:29 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a080e2d32008190a770addba6e44adb |
completed | May 16, 2026, 6:26 a.m. |
| NEDg | Description generation | batch_6a080ec9c56481908b69834b5a1ae105 |
completed | May 16, 2026, 6:29 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a080f6e218c8190b4c7b0d5de9f984c |
completed | May 16, 2026, 6:32 a.m. |
Created at: April 11, 2026, 3:35 p.m.