ACE.B
E780587
ACE.B is the stock ticker symbol for ACE Aviation Holdings, the former parent company of Air Canada that functioned as a holding company for aviation-related investments.
All labels observed (1)
| Label | Occurrences |
|---|---|
| ACE.B canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9135164 — 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: ACE.B Context triple: [ACE Aviation Holdings, tickerSymbol, ACE.B]
-
A.
ACE
ACE is the commonly used acronym for Arts Council England, the national body that supports and funds arts and culture across England.
-
B.
ACE
ACE (Altamont Corridor Express) is a commuter rail service in California’s San Joaquin Valley and East Bay that provides weekday trains between Stockton and San Jose.
-
C.
ACE
ACE is the IATA airport code for Lanzarote Airport in Spain’s Canary Islands.
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D.
ACE
ACE is a Canadian satellite mission focused on studying Earth's atmosphere and climate through detailed measurements of atmospheric chemistry.
-
E.
ACE
ACE is a NASA space weather observatory that continuously monitors the solar wind and energetic particles from its position near the Sun–Earth L1 Lagrange point.
- 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: ACE.B Target entity description: ACE.B is the stock ticker symbol for ACE Aviation Holdings, the former parent company of Air Canada that functioned as a holding company for aviation-related investments.
-
A.
ACE
ACE (Altamont Corridor Express) is a commuter rail service in California’s San Joaquin Valley and East Bay that provides weekday trains between Stockton and San Jose.
-
B.
ACE
ACE is the IATA airport code for Lanzarote Airport in Spain’s Canary Islands.
-
C.
ACE
ACE is a Canadian satellite mission focused on studying Earth's atmosphere and climate through detailed measurements of atmospheric chemistry.
-
D.
ACE
ACE is the commonly used acronym for Arts Council England, the national body that supports and funds arts and culture across England.
-
E.
ACE
ACE is a NASA space weather observatory that continuously monitors the solar wind and energetic particles from its position near the Sun–Earth L1 Lagrange point.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
holding company
ⓘ
stock ticker symbol ⓘ |
| basedIn | Montreal NERFINISHED ⓘ |
| businessModel | asset monetization of aviation-related holdings ⓘ |
| country | Canada ⓘ |
| currencyOfListing | Canadian dollar NERFINISHED ⓘ |
| formerRole | publicly traded holding company ⓘ |
| function | holding company for aviation-related investments ⓘ |
| heldStakeIn | Air Canada NERFINISHED ⓘ |
| industry |
airline holding
ⓘ
aviation ⓘ |
| listedAs | ACE.B on TSX NERFINISHED ⓘ |
| notableSubsidiary |
Aeroplan
NERFINISHED
ⓘ
Air Canada NERFINISHED ⓘ Jazz Air NERFINISHED ⓘ |
| ownershipType | public company ⓘ |
| parentCompanyOf |
ACTS (Air Canada Technical Services) (historically)
NERFINISHED
ⓘ
Aeroplan (historically) NERFINISHED ⓘ Air Canada NERFINISHED ⓘ Air Canada Cargo (historically) NERFINISHED ⓘ Jazz Air (historically) NERFINISHED ⓘ |
| primaryAsset | equity interest in Air Canada ⓘ |
| represents | ACE Aviation Holdings NERFINISHED ⓘ |
| role | former parent company of Air Canada ⓘ |
| sector |
transportation
ⓘ
travel and tourism ⓘ |
| status | defunct ⓘ |
| stockExchange | Toronto Stock Exchange NERFINISHED ⓘ |
| stockTicker | ACE.B NERFINISHED ⓘ |
| successorTo | Air Canada (pre-restructuring corporate structure) NERFINISHED ⓘ |
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: ACE.B Description of subject: ACE.B is the stock ticker symbol for ACE Aviation Holdings, the former parent company of Air Canada that functioned as a holding company for aviation-related investments.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.