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.