Triple
T20803085
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Houston Natural Gas |
E512087
|
entity |
| Predicate | hasName |
P744
|
FINISHED |
| Object | Houston Natural Gas Corporation |
—
|
NE NERFINISHED |
How this triple was built (3 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: Houston Natural Gas Corporation | Statement: [Houston Natural Gas, hasName, Houston Natural Gas Corporation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Houston Natural Gas Corporation Context triple: [Houston Natural Gas, hasName, Houston Natural Gas Corporation]
-
A.
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.
-
B.
National Fuel Gas Company
National Fuel Gas Company is a U.S.-based energy company engaged in the production, gathering, transportation, storage, and distribution of natural gas.
-
C.
Georgia Natural Gas
Georgia Natural Gas is a major natural gas marketer in Georgia, providing retail energy services to residential and commercial customers.
-
D.
The Texas Company
The Texas Company, later known as Texaco, was a major American oil and gas corporation that became one of the world’s leading petroleum brands.
-
E.
Northern Natural Gas
Northern Natural Gas is a major U.S. interstate natural gas pipeline company that transports and stores natural gas across the Midwest and Great Plains.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Houston Natural Gas Corporation Target entity description: Houston Natural Gas Corporation was a major U.S. energy company based in Houston, Texas, best known as a predecessor to Enron following a landmark merger in the 1980s.
-
A.
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.
-
B.
National Fuel Gas Company
National Fuel Gas Company is a U.S.-based energy company engaged in the production, gathering, transportation, storage, and distribution of natural gas.
-
C.
Georgia Natural Gas
Georgia Natural Gas is a major natural gas marketer in Georgia, providing retail energy services to residential and commercial customers.
-
D.
The Texas Company
The Texas Company, later known as Texaco, was a major American oil and gas corporation that became one of the world’s leading petroleum brands.
-
E.
Northern Natural Gas
Northern Natural Gas is a major U.S. interstate natural gas pipeline company that transports and stores natural gas across the Midwest and Great Plains.
- F. None of above. chosen
Provenance (2 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_69e0b4cc69f481908e98751e697b9df4 |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6c2b2d5688190aaa58a2594d4787c |
completed | April 21, 2026, 12:20 a.m. |
Created at: April 16, 2026, 12:39 p.m.