USS Portland (CA-33)
E248680
USS Portland (CA-33) was a U.S. Navy Portland-class heavy cruiser that saw extensive action in the Pacific Theater during World War II, including major engagements such as the Battles of Coral Sea, Midway, and Guadalcanal.
All labels observed (1)
| Label | Occurrences |
|---|---|
| USS Portland (CA-33) canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T2040497 — 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: USS Portland (CA-33) Context triple: [Task Force 17, notableShip, USS Portland (CA-33)]
-
A.
USS Louisville (CA-28)
USS Louisville (CA-28) was a Northampton-class heavy cruiser of the United States Navy that saw extensive combat service in the Pacific during World War II.
-
B.
USS Northampton (CA-26)
USS Northampton (CA-26) was a U.S. Navy heavy cruiser of the Northampton class that served in the Pacific during World War II until she was lost in late 1942.
-
C.
USS Pensacola (CA-24)
USS Pensacola (CA-24) was a U.S. Navy Pensacola-class heavy cruiser that served prominently in the Pacific Theater during World War II, earning numerous battle stars for its combat operations.
-
D.
USS Minneapolis (CA-36)
USS Minneapolis (CA-36) was a New Orleans-class heavy cruiser of the United States Navy that saw extensive combat in the Pacific during World War II, earning multiple battle stars for her service.
-
E.
USS Wichita (CA-45)
USS Wichita (CA-45) was a U.S. Navy heavy cruiser of the late 1930s and World War II that saw extensive combat service in both the Atlantic and Pacific theaters.
- 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: USS Portland (CA-33) Target entity description: USS Portland (CA-33) was a U.S. Navy Portland-class heavy cruiser that saw extensive action in the Pacific Theater during World War II, including major engagements such as the Battles of Coral Sea, Midway, and Guadalcanal.
-
A.
USS Louisville (CA-28)
USS Louisville (CA-28) was a Northampton-class heavy cruiser of the United States Navy that saw extensive combat service in the Pacific during World War II.
-
B.
USS Northampton (CA-26)
USS Northampton (CA-26) was a U.S. Navy heavy cruiser of the Northampton class that served in the Pacific during World War II until she was lost in late 1942.
-
C.
USS Pensacola (CA-24)
USS Pensacola (CA-24) was a U.S. Navy Pensacola-class heavy cruiser that served prominently in the Pacific Theater during World War II, earning numerous battle stars for its combat operations.
-
D.
USS Minneapolis (CA-36)
USS Minneapolis (CA-36) was a New Orleans-class heavy cruiser of the United States Navy that saw extensive combat in the Pacific during World War II, earning multiple battle stars for her service.
-
E.
USS Wichita (CA-45)
USS Wichita (CA-45) was a U.S. Navy heavy cruiser of the late 1930s and World War II that saw extensive combat service in both the Atlantic and Pacific theaters.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
Portland-class heavy cruiser
ⓘ
United States Navy cruiser ⓘ World War II warship ⓘ |
| aircraftCarried | floatplanes ⓘ |
| armament |
8 × 5-inch/25 caliber guns
ⓘ
9 × 8-inch/55 caliber guns ⓘ anti-aircraft guns ⓘ |
| battleHonors | 16 battle stars for World War II service ⓘ |
| beam | 61 feet 9 inches ⓘ |
| builder |
Bethlehem Shipbuilding Corporation
ⓘ
surface form:
Bethlehem Shipbuilding Corporation, Quincy, Massachusetts
Bethlehem Steel Corporation ⓘ
surface form:
Bethlehem Steel
|
| class | Portland class ⓘ |
| commissioned | 1933-02-23 ⓘ |
| country | United States of America ⓘ |
| decommissioned | 1946-07-12 ⓘ |
| displacement |
approximately 12,800 tons full load
ⓘ
approximately 9,800 tons standard ⓘ |
| draft | 21 feet ⓘ |
| fate | sold for scrap ⓘ |
| homeport | various Pacific bases during World War II ⓘ |
| hullNumber | CA-33 ⓘ |
| laidDown | 1929-02-17 ⓘ |
| launched | 1932-05-21 ⓘ |
| length | 588 feet ⓘ |
| maximumSpeed | approximately 32.7 knots ⓘ |
| namedAfter | Portland, Maine ⓘ |
| notableEvent |
present in Tokyo Bay during the Japanese surrender ceremonies in September 1945
ⓘ
provided shore bombardment support for amphibious landings in the Pacific ⓘ torpedoed and heavily damaged during the Naval Battle of Guadalcanal in November 1942 ⓘ |
| operator | United States Navy ⓘ |
| participatedIn |
Battle of Leyte Gulf
ⓘ
Battle of Midway ⓘ Battle of Coral Sea ⓘ
surface form:
Battle of the Coral Sea
Battle of the Eastern Solomons ⓘ Battle of the Philippine Sea ⓘ Solomon Islands campaign ⓘ
surface form:
Guadalcanal Campaign
Gilbert and Marshall Islands campaign ⓘ
surface form:
Invasion of the Gilbert Islands
Marianas campaign ⓘ
surface form:
Invasion of the Marianas
Battle of the Marshall Islands ⓘ
surface form:
Invasion of the Marshall Islands
Battle of Iwo Jima ⓘ
surface form:
Iwo Jima operation
Naval Battle of Guadalcanal ⓘ Battle of Okinawa ⓘ
surface form:
Okinawa campaign
|
| preWarService | served with the Scouting Force of the U.S. Fleet in the 1930s ⓘ |
| propulsion |
four propeller shafts
ⓘ
steam turbines ⓘ |
| shipType | heavy cruiser ⓘ |
| soldForScrap | 1961-10-06 ⓘ |
| sponsor | Miss Helen L. Reed ⓘ |
| stricken | 1959-03-01 ⓘ |
| theaterOfOperations |
Pacific Theater of Operations
ⓘ
surface form:
Pacific Theater of World War II
|
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: USS Portland (CA-33) Description of subject: USS Portland (CA-33) was a U.S. Navy Portland-class heavy cruiser that saw extensive action in the Pacific Theater during World War II, including major engagements such as the Battles of Coral Sea, Midway, and Guadalcanal.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.