Triple
T6221546
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Terra Nova |
E139125
|
entity |
| Predicate | previousOperator |
P97
|
FINISHED |
| Object |
Petro-Canada
Petro-Canada is a major Canadian oil and gas company, formerly a federal Crown corporation, involved in petroleum exploration, production, refining, and retail operations across Canada.
|
E582231
|
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: Petro-Canada | Statement: [Terra Nova, previousOperator, Petro-Canada]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Petro-Canada Context triple: [Terra Nova, previousOperator, Petro-Canada]
-
A.
Syncrude Canada
Syncrude Canada is one of the largest oil sands producers in Canada, operating major mining and upgrading facilities in northern Alberta.
-
B.
Suncor Energy
Suncor Energy is a Canadian integrated energy company best known as one of the largest oil sands producers and a major player in the country’s petroleum industry.
-
C.
Cenovus Energy
Cenovus Energy is a Canadian integrated oil and natural gas company known for its large-scale oil sands operations and significant role in Alberta’s energy sector.
-
D.
Sinclair Oil Corporation
Sinclair Oil Corporation is an American petroleum company best known for its dinosaur logo and network of gas stations and refineries across the United States.
-
E.
Anglo-American Oil Company
The Anglo-American Oil Company was a British subsidiary of Standard Oil that played a major role in importing, refining, and distributing petroleum products in the United Kingdom and Europe in the late 19th and early 20th centuries.
- 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: Petro-Canada Triple: [Terra Nova, previousOperator, Petro-Canada]
Generated description
Petro-Canada is a major Canadian oil and gas company, formerly a federal Crown corporation, involved in petroleum exploration, production, refining, and retail operations across Canada.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Petro-Canada Target entity description: Petro-Canada is a major Canadian oil and gas company, formerly a federal Crown corporation, involved in petroleum exploration, production, refining, and retail operations across Canada.
-
A.
Syncrude Canada
Syncrude Canada is one of the largest oil sands producers in Canada, operating major mining and upgrading facilities in northern Alberta.
-
B.
Suncor Energy
Suncor Energy is a Canadian integrated energy company best known as one of the largest oil sands producers and a major player in the country’s petroleum industry.
-
C.
Cenovus Energy
Cenovus Energy is a Canadian integrated oil and natural gas company known for its large-scale oil sands operations and significant role in Alberta’s energy sector.
-
D.
Sinclair Oil Corporation
Sinclair Oil Corporation is an American petroleum company best known for its dinosaur logo and network of gas stations and refineries across the United States.
-
E.
Anglo-American Oil Company
The Anglo-American Oil Company was a British subsidiary of Standard Oil that played a major role in importing, refining, and distributing petroleum products in the United Kingdom and Europe in the late 19th and early 20th centuries.
- 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_69c008aecb0c81909984b48f733ce8ae |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c062bcc2348190806ed8c98bdfbf3e |
completed | March 22, 2026, 9:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c5190757648190a73575e680a35684 |
completed | March 26, 2026, 11:31 a.m. |
| NEDg | Description generation | batch_69c51ceaef308190b58b08aafd94b016 |
completed | March 26, 2026, 11:47 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c583cf8c588190a9c31078704af064 |
completed | March 26, 2026, 7:06 p.m. |
Created at: March 22, 2026, 4:22 p.m.