Halifax-class frigate
E80992
The Halifax-class frigate is a class of Canadian multi-role warships designed primarily for anti-submarine and general-purpose naval operations.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Halifax-class frigate canonical | 3 |
| Halifax-class frigates | 2 |
| HMCS Halifax | 1 |
| Halifax Class Modernization | 1 |
| Royal Canadian Navy surface combatants | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T644816 — 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: Halifax-class frigate Context triple: [Royal Canadian Navy, operatesVesselType, Halifax-class frigate]
-
A.
Type 45 destroyers
Type 45 destroyers are advanced British Royal Navy air-defence warships designed primarily to protect fleets from aerial and missile threats using sophisticated radar and missile systems.
-
B.
Type 42 destroyer
The Type 42 destroyer was a class of Royal Navy guided-missile destroyers designed primarily for anti-air warfare, notably serving in front-line roles during the late Cold War era.
-
C.
HMS Vanguard
HMS Vanguard was a British Royal Navy ship of the line best known for serving as Admiral Horatio Nelson’s flagship during the decisive 1798 Battle of the Nile in the French Revolutionary Wars.
-
D.
HMS Queen Elizabeth
HMS Queen Elizabeth is the Royal Navy’s lead Queen Elizabeth-class aircraft carrier and one of the largest and most advanced warships ever built for the United Kingdom.
-
E.
HMS Drake
HMS Drake was a British armoured cruiser of the Royal Navy, launched in the early 20th century and serving prominently before and during World War I.
- 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: Halifax-class frigate Target entity description: The Halifax-class frigate is a class of Canadian multi-role warships designed primarily for anti-submarine and general-purpose naval operations.
-
A.
Type 45 destroyers
Type 45 destroyers are advanced British Royal Navy air-defence warships designed primarily to protect fleets from aerial and missile threats using sophisticated radar and missile systems.
-
B.
Type 42 destroyer
The Type 42 destroyer was a class of Royal Navy guided-missile destroyers designed primarily for anti-air warfare, notably serving in front-line roles during the late Cold War era.
-
C.
HMS Vanguard
HMS Vanguard was a British Royal Navy ship of the line best known for serving as Admiral Horatio Nelson’s flagship during the decisive 1798 Battle of the Nile in the French Revolutionary Wars.
-
D.
HMS Queen Elizabeth
HMS Queen Elizabeth is the Royal Navy’s lead Queen Elizabeth-class aircraft carrier and one of the largest and most advanced warships ever built for the United Kingdom.
-
E.
HMS Drake
HMS Drake was a British armoured cruiser of the Royal Navy, launched in the early 20th century and serving prominently before and during World War I.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
frigate class
ⓘ
warship class ⓘ |
| airCapability | embarks maritime helicopter ⓘ |
| allianceRole | NATO operations ⓘ |
| armedWith |
CIWS
ⓘ
naval gun ⓘ surface-to-air missiles ⓘ surface-to-surface missiles ⓘ torpedoes ⓘ |
| beam | approximately 16 metres ⓘ |
| builder |
MIL Davie Shipbuilding
ⓘ
Saint John Shipbuilding ⓘ |
| constructionStartYear | 1987 ⓘ |
| countryOfOrigin | Canada ⓘ |
| crewComplement | approximately 225 ⓘ |
| designedBy | Royal Canadian Navy ⓘ |
| designedFor | multi-role operations ⓘ |
| designedToEmbark |
CH-124 Sea King helicopter
ⓘ
linked to:
CH-124 Sea King
CH-148 Cyclone helicopter ⓘ
linked to:
CH-148 Cyclone
|
| designPeriod | Cold War ⓘ |
| displacement | approximately 4,770 tonnes full load ⓘ |
| leadShip |
HMCS Halifax
ⓘ
linked to:
Halifax-class frigate
|
| length | approximately 134 metres ⓘ |
| maximumSpeed | over 29 knots ⓘ |
| missionType |
anti-submarine patrols
ⓘ
escort duties ⓘ maritime security operations ⓘ peace support operations ⓘ |
| modernizationFocus |
combat systems upgrade
ⓘ
communications upgrades ⓘ sensor upgrades ⓘ |
| modernizationProgram |
Halifax Class Modernization
ⓘ
linked to:
Halifax-class frigate
|
| namedAfter | Canadian cities ⓘ |
| numberBuilt | 12 ⓘ |
| operator | Royal Canadian Navy ⓘ |
| primaryRole | anti-submarine warfare ⓘ |
| propulsionDetail |
1 diesel engine
ⓘ
2 gas turbines ⓘ |
| propulsionType | CODOG ⓘ |
| range | over 7,000 nautical miles at cruising speed ⓘ |
| secondaryRole | general-purpose warfare ⓘ |
| sensorSuite |
air search radar
ⓘ
sonar systems ⓘ surface search radar ⓘ |
| serviceEntryYear | 1992 ⓘ |
| status | in service ⓘ |
| usedIn |
blue-water operations
ⓘ
littoral operations ⓘ |
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: Halifax-class frigate Description of subject: The Halifax-class frigate is a class of Canadian multi-role warships designed primarily for anti-submarine and general-purpose naval operations.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Halifax-class frigate
linked to: Halifax-class frigate
linked to: Halifax-class frigate
linked to: Halifax-class frigate
subject linked to:
Joint Support Ships
linked to: Halifax-class frigate