1250 René-Lévesque
E554007
1250 René-Lévesque is a prominent postmodern office skyscraper in downtown Montreal, known for its distinctive stepped design and status as one of the city’s tallest buildings.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 1250 René-Lévesque canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5910692 — 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: 1250 René-Lévesque Context triple: [Downtown Montreal, hasPart, 1250 René-Lévesque]
-
A.
Desmarais
Desmarais is a French surname, often associated with notable families and individuals in business, politics, and the arts.
-
B.
Bourget
Bourget is a small rural community in eastern Ontario, Canada, known for its francophone population and proximity to the Larose Forest.
-
C.
Hector Levesque
Hector Levesque is a prominent Canadian computer scientist and artificial intelligence researcher known for his influential work on knowledge representation, reasoning, and the foundations of AI.
-
D.
Papineau
Papineau is a federal electoral district in Montreal, Quebec, represented in the Canadian House of Commons.
-
E.
Duplessis
Duplessis is a surname of French origin borne by various notable individuals in politics, sports, and the arts.
- 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: 1250 René-Lévesque Target entity description: 1250 René-Lévesque is a prominent postmodern office skyscraper in downtown Montreal, known for its distinctive stepped design and status as one of the city’s tallest buildings.
-
A.
Desmarais
Desmarais is a French surname, often associated with notable families and individuals in business, politics, and the arts.
-
B.
Bourget
Bourget is a small rural community in eastern Ontario, Canada, known for its francophone population and proximity to the Larose Forest.
-
C.
Hector Levesque
Hector Levesque is a prominent Canadian computer scientist and artificial intelligence researcher known for his influential work on knowledge representation, reasoning, and the foundations of AI.
-
D.
Papineau
Papineau is a federal electoral district in Montreal, Quebec, represented in the Canadian House of Commons.
-
E.
Duplessis
Duplessis is a surname of French origin borne by various notable individuals in politics, sports, and the arts.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
commercial building
ⓘ
office skyscraper ⓘ postmodern building ⓘ skyscraper in Montreal ⓘ |
| architect |
Kohn Pedersen Fox
ⓘ
WZMH Architects ⓘ |
| architecturalStyle | postmodern architecture ⓘ |
| buildingType | office ⓘ |
| citySkylineRole | major feature of Montreal skyline ⓘ |
| completionDate | 1992 ⓘ |
| country | Canada ⓘ |
| developer |
Bentall Kennedy (historical association)
ⓘ
linked to:
Bentalls
|
| elevatorCount | 28 ⓘ |
| floorArea |
~1,940,000 square feet
ⓘ
~180000 square metres ⓘ |
| hasAlternateName |
1250 René-Lévesque Ouest
ⓘ
Tour 1250 René-Lévesque ⓘ |
| hasAmenity |
indoor access to Montreal underground city (RÉSO)
ⓘ
retail space at podium ⓘ |
| hasCladding | curtain wall ⓘ |
| hasDesignFeature |
setback massing
ⓘ
stepped design ⓘ |
| hasFacadeColor | dark glass ⓘ |
| hasFunction | Class A office space ⓘ |
| hasNumberOfFloors | 51 ⓘ |
| hasParking | underground parking ⓘ |
| hasStructuralSystem | steel frame ⓘ |
| isAmong | tallest buildings in Montreal ⓘ |
| locatedIn |
Montreal
ⓘ
Quebec ⓘ
linked to:
Quebec, Canada
downtown Montreal ⓘ |
| locatedNear |
Bell Centre
ⓘ
Bonaventure metro station ⓘ Gare Lucien-L’Allier ⓘ
linked to:
Lucien-L’Allier station
Place Bonaventure ⓘ |
| material |
concrete
ⓘ
glass ⓘ steel ⓘ |
| openingDate | 1992 ⓘ |
| owner |
GWL Realty Advisors (historical/major ownership)
ⓘ
linked to:
GWL Realty Advisors
|
| roofHeight |
199 metres
ⓘ
653 feet ⓘ |
| status | completed ⓘ |
| streetAddress | 1250 Boulevard René-Lévesque Ouest ⓘ |
| use | commercial 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: 1250 René-Lévesque Description of subject: 1250 René-Lévesque is a prominent postmodern office skyscraper in downtown Montreal, known for its distinctive stepped design and status as one of the city’s tallest buildings.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
downtown core of Montreal