Lester B. Pearson Building
E885963
The Lester B. Pearson Building is the headquarters of Global Affairs Canada, housing the country’s foreign ministry offices in Ottawa.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lester B. Pearson Building canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10789221 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lester B. Pearson Building Context triple: [Sussex Drive, hasLandmark, Lester B. Pearson Building]
-
A.
Macdonald-Stewart Building
The Macdonald-Stewart Building is a key academic and research facility located on McGill University’s Macdonald Campus, supporting programs in agricultural, environmental, and related sciences.
-
B.
David T. Botterell Building
The David T. Botterell Building is an academic facility at Queen’s University in Kingston, Ontario, primarily housing the university’s biomedical and life sciences departments.
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C.
John Molson Building
The John Molson Building is a major Concordia University campus facility in downtown Montreal that houses the John Molson School of Business in a modern, high-rise academic complex.
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D.
Social Sciences Building (University of Ottawa)
The Social Sciences Building at the University of Ottawa is a major academic complex that houses the university’s Faculty of Social Sciences, including classrooms, offices, and research facilities.
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E.
McGill University Arts Building
The McGill University Arts Building is the historic central building of McGill’s Faculty of Arts in Montreal, housing key humanities departments and serving as one of the university’s most iconic landmarks.
- 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: Lester B. Pearson Building Target entity description: The Lester B. Pearson Building is the headquarters of Global Affairs Canada, housing the country’s foreign ministry offices in Ottawa.
-
A.
Macdonald-Stewart Building
The Macdonald-Stewart Building is a key academic and research facility located on McGill University’s Macdonald Campus, supporting programs in agricultural, environmental, and related sciences.
-
B.
David T. Botterell Building
The David T. Botterell Building is an academic facility at Queen’s University in Kingston, Ontario, primarily housing the university’s biomedical and life sciences departments.
-
C.
John Molson Building
The John Molson Building is a major Concordia University campus facility in downtown Montreal that houses the John Molson School of Business in a modern, high-rise academic complex.
-
D.
Social Sciences Building (University of Ottawa)
The Social Sciences Building at the University of Ottawa is a major academic complex that houses the university’s Faculty of Social Sciences, including classrooms, offices, and research facilities.
-
E.
McGill University Arts Building
The McGill University Arts Building is the historic central building of McGill’s Faculty of Arts in Montreal, housing key humanities departments and serving as one of the university’s most iconic landmarks.
- F. None of above. chosen
Statements (27)
| Predicate | Object |
|---|---|
| instanceOf |
federal government office building
ⓘ
headquarters building ⓘ |
| architecturalStyle | Brutalist architecture ⓘ |
| city | Ottawa ⓘ |
| coordinates | 45.435°N 75.697°W ⓘ |
| country | Canada ⓘ |
| function |
headquarters of Global Affairs Canada
ⓘ
offices for Canada’s foreign ministry ⓘ |
| heritageDesignationBy | Government of Canada ⓘ |
| heritageStatus | federal heritage building ⓘ |
| inception | 1973 ⓘ |
| locatedInAdministrativeTerritorialEntity | Ontario ⓘ |
| location | Ottawa ⓘ |
| materialUsed | concrete ⓘ |
| namedAfter | Lester B. Pearson ⓘ |
| namedAfterOccupation |
diplomat
ⓘ
politician ⓘ |
| namedAfterPositionHeld | Prime Minister of Canada ⓘ |
| numberOfStoreys | 8 ⓘ |
| occupant |
Canada’s foreign ministry
ⓘ
linked to:
Department of External Affairs (Canada)
Global Affairs Canada ⓘ |
| ownedBy |
Government of Canada
ⓘ
linked to:
Canadian federal government (Ottawa)
|
| streetAddress | 125 Sussex Drive ⓘ |
| usedFor |
consular affairs administration
ⓘ
diplomatic services administration ⓘ international relations policy work ⓘ trade and development policy offices ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Lester B. Pearson Building Description of subject: The Lester B. Pearson Building is the headquarters of Global Affairs Canada, housing the country’s foreign ministry offices in Ottawa.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.