Main Observation Level
E30766
The Main Observation Level is the primary viewing platform of Toronto’s CN Tower, offering panoramic city and lake vistas to visitors.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Main Observation Level canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T239130 — 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: Main Observation Level Context triple: [CN Tower, hasObservationDeck, Main Observation Level]
-
A.
High-Level Group
The High-Level Group is a senior decision-making body within the Pacific Alliance that coordinates and oversees the bloc’s integration and cooperation initiatives.
-
B.
State Floor
State Floor is the principal formal level of the Executive Residence in the White House, used for official ceremonies, receptions, and state entertaining.
-
C.
Cap of Maintenance
The Cap of Maintenance is a traditional British ceremonial headpiece symbolizing royal authority and dignity, prominently used in major state occasions.
-
D.
L2M
L2M is a DARPA research initiative focused on developing AI systems capable of continuous, lifelong learning and adaptation.
-
E.
Forward Multiplicity Detector
The Forward Multiplicity Detector is a specialized ALICE experiment subdetector at CERN designed to measure charged-particle multiplicities at very forward angles in high-energy collisions.
- 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: Main Observation Level Target entity description: The Main Observation Level is the primary viewing platform of Toronto’s CN Tower, offering panoramic city and lake vistas to visitors.
-
A.
High-Level Group
The High-Level Group is a senior decision-making body within the Pacific Alliance that coordinates and oversees the bloc’s integration and cooperation initiatives.
-
B.
State Floor
State Floor is the principal formal level of the Executive Residence in the White House, used for official ceremonies, receptions, and state entertaining.
-
C.
Cap of Maintenance
The Cap of Maintenance is a traditional British ceremonial headpiece symbolizing royal authority and dignity, prominently used in major state occasions.
-
D.
L2M
L2M is a DARPA research initiative focused on developing AI systems capable of continuous, lifelong learning and adaptation.
-
E.
Forward Multiplicity Detector
The Forward Multiplicity Detector is a specialized ALICE experiment subdetector at CERN designed to measure charged-particle multiplicities at very forward angles in high-energy collisions.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
observation deck
ⓘ
tourist attraction ⓘ |
| accessibleBy | elevator ⓘ |
| hasAmenity |
rest areas
ⓘ
security screening access ⓘ souvenir photography services ⓘ |
| hasFeature |
floor-to-ceiling windows
ⓘ
indoor viewing area ⓘ panoramic views ⓘ visitor information displays ⓘ |
| languageOfSignage |
English
ⓘ
French ⓘ |
| locatedIn | CN Tower ⓘ |
| locatedInCity | Toronto ⓘ |
| locatedInCountry | Canada ⓘ |
| locatedInProvince | Ontario ⓘ |
| nearbyAttraction |
Glass Floor at CN Tower
ⓘ
SkyPod at CN Tower ⓘ
linked to:
SkyPod
|
| offersViewOf |
Lake Ontario
ⓘ
Toronto skyline ⓘ
linked to:
Toronto
downtown Toronto ⓘ |
| openTo |
general public
ⓘ
tourists ⓘ |
| operatedBy | CN Tower management ⓘ |
| partOf | CN Tower ⓘ |
| primaryFunction | public observation ⓘ |
| safetyFeature |
enclosed viewing area
ⓘ
guard rails ⓘ |
| subjectTo | weather-related visibility changes ⓘ |
| uses | ticketed entry system ⓘ |
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: Main Observation Level Description of subject: The Main Observation Level is the primary viewing platform of Toronto’s CN Tower, offering panoramic city and lake vistas to visitors.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.