USS Ludlow (DD-438)
E273143
USS Ludlow (DD-438) was a Gleaves-class destroyer of the United States Navy that served during World War II, participating in Atlantic convoy escort duties, the North African landings, and the invasions of Sicily and Italy.
All labels observed (1)
| Label | Occurrences |
|---|---|
| USS Ludlow (DD-438) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2051301 — 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 Ludlow (DD-438) Context triple: [USS Buck (DD-420), followedBy, USS Ludlow (DD-438)]
-
A.
USS La Vallette (DD-448)
USS La Vallette (DD-448) was a U.S. Navy Fletcher-class destroyer that saw extensive service in the Pacific during World War II.
-
B.
USS Morris (DD-417)
USS Morris (DD-417) was a U.S. Navy destroyer that saw extensive and distinguished service in the Pacific Theater during World War II, earning multiple battle stars for its combat actions.
-
C.
USS Gleaves (DD-423)
USS Gleaves (DD-423) was the lead ship of the Gleaves-class destroyers that served in the United States Navy during World War II.
-
D.
USS O’Brien (DD-415)
USS O’Brien (DD-415) was a World War II-era United States Navy destroyer that served in the Atlantic and Pacific theaters before being lost to damage sustained from a Japanese torpedo attack in 1942.
-
E.
USS Hammann (DD-412)
USS Hammann (DD-412) was a U.S. Navy destroyer that served in the early years of World War II in the Pacific before being sunk during the Battle of Midway in 1942.
- 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 Ludlow (DD-438) Target entity description: USS Ludlow (DD-438) was a Gleaves-class destroyer of the United States Navy that served during World War II, participating in Atlantic convoy escort duties, the North African landings, and the invasions of Sicily and Italy.
-
A.
USS La Vallette (DD-448)
USS La Vallette (DD-448) was a U.S. Navy Fletcher-class destroyer that saw extensive service in the Pacific during World War II.
-
B.
USS Morris (DD-417)
USS Morris (DD-417) was a U.S. Navy destroyer that saw extensive and distinguished service in the Pacific Theater during World War II, earning multiple battle stars for its combat actions.
-
C.
USS Gleaves (DD-423)
USS Gleaves (DD-423) was the lead ship of the Gleaves-class destroyers that served in the United States Navy during World War II.
-
D.
USS O’Brien (DD-415)
USS O’Brien (DD-415) was a World War II-era United States Navy destroyer that served in the Atlantic and Pacific theaters before being lost to damage sustained from a Japanese torpedo attack in 1942.
-
E.
USS Hammann (DD-412)
USS Hammann (DD-412) was a U.S. Navy destroyer that served in the early years of World War II in the Pacific before being sunk during the Battle of Midway in 1942.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
Gleaves-class destroyer
ⓘ
United States Navy warship ⓘ World War II destroyer ⓘ |
| armamentWartime |
5 × 5-inch (127 mm) guns
ⓘ
anti-aircraft guns ⓘ depth charges ⓘ torpedo tubes ⓘ |
| awarded | battle stars for World War II service ⓘ |
| beam | 36 ft 1 in ⓘ |
| builder |
General Dynamics Bath Iron Works
ⓘ
surface form:
Bath Iron Works
|
| category |
Gleaves-class destroyers of the United States Navy
ⓘ
World War II destroyers of the United States ⓘ |
| class |
Gleaves-class destroyer
ⓘ
surface form:
Gleaves class
|
| commissionedOn | 5 March 1941 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crewComplement | approximately 208 officers and enlisted ⓘ |
| decommissionedOn | 20 May 1951 ⓘ |
| displacementFullLoad | approximately 2,395 tons ⓘ |
| displacementStandard | approximately 1,630 tons ⓘ |
| draft | 13 ft 2 in ⓘ |
| engagedEnemy |
German aircraft
ⓘ
German submarines ⓘ |
| fate | Transferred to Greece ⓘ |
| flag | United States flag ⓘ |
| hullNumber | DD-438 ⓘ |
| laidDownOn | 18 December 1939 ⓘ |
| laterName | Doxa (D-20) ⓘ |
| launchedOn | 11 November 1940 ⓘ |
| length | 348 ft 3 in ⓘ |
| namedAfter | Augustus C. Ludlow NERFINISHED ⓘ |
| namesake | Lieutenant Augustus C. Ludlow ⓘ |
| operator | United States Navy ⓘ |
| participatedIn |
Atlantic convoy escort duties
ⓘ
Operation Torch ⓘ
surface form:
North African landings
Operation Torch ⓘ Battle of Salerno ⓘ
surface form:
Salerno landings
invasion of Italy ⓘ invasion of Sicily ⓘ |
| pennantNumberInGreekService | D-20 ⓘ |
| propulsion |
4 boilers
ⓘ
geared steam turbines ⓘ |
| role |
anti-submarine warfare
ⓘ
convoy escort ⓘ |
| servedInConflict | World War II ⓘ |
| shaftCount | 2 ⓘ |
| sponsor | Mrs. C. H. Cobb ⓘ |
| successorNameInGreekService | Doxa ⓘ |
| theaterOfOperations |
Atlantic Ocean
ⓘ
Mediterranean Sea ⓘ |
| topSpeed | about 37 knots ⓘ |
| transferredTo | Hellenic Navy ⓘ |
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 Ludlow (DD-438) Description of subject: USS Ludlow (DD-438) was a Gleaves-class destroyer of the United States Navy that served during World War II, participating in Atlantic convoy escort duties, the North African landings, and the invasions of Sicily and Italy.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.