Triple
T23168992
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Terra Nova FPSO |
E578791
|
entity |
| Predicate | previousOperator |
P97
|
FINISHED |
| Object | Petro-Canada |
—
|
NE NERFINISHED |
How this triple was built (2 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 FPSO, previousOperator, Petro-Canada]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Petro-Canada Context triple: [Terra Nova FPSO, previousOperator, Petro-Canada]
-
A.
Petro-Canada
chosen
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.
-
B.
Imperial Oil
Imperial Oil is a major Canadian petroleum company involved in the exploration, production, refining, and marketing of oil and gas products.
-
C.
Shell Canada
Shell Canada is a major integrated oil and gas company operating in Canada, involved in exploration, production, refining, and marketing of petroleum and related energy products.
-
D.
Chevron Canada
Chevron Canada is a major Canadian oil and gas company involved in exploration, production, and development projects, including offshore operations.
-
E.
Syncrude Canada
Syncrude Canada is one of the largest oil sands producers in Canada, operating major mining and upgrading facilities in northern Alberta.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e245fc75348190a0288401044c8af8 |
completed | April 17, 2026, 2:38 p.m. |
| NER | Named-entity recognition | batch_69f18f2e5e208190839ec37de4b974af |
completed | April 29, 2026, 4:55 a.m. |
Created at: April 17, 2026, 4:03 p.m.