Triple
T1837305
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Leopard 1 |
E41093
|
entity |
| Predicate | engineType |
P1585
|
FINISHED |
| Object |
MTU MB 838 CaM 500 diesel engine
The MTU MB 838 CaM 500 is a high-performance, multi-fuel diesel engine developed by MTU for use in main battle tanks such as the German Leopard 1.
|
E205317
|
NE FINISHED |
How this triple was built (4 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: MTU MB 838 CaM 500 diesel engine | Statement: [Leopard 1, engineType, MTU MB 838 CaM 500 diesel engine]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MTU MB 838 CaM 500 diesel engine Context triple: [Leopard 1, engineType, MTU MB 838 CaM 500 diesel engine]
-
A.
MTU MT881 Ka-500 diesel engine
The MTU MT881 Ka-500 is a high-performance, compact V8 diesel engine developed by MTU for use in modern tracked armored vehicles, providing the powerplant for systems such as the K9 Thunder self-propelled howitzer.
-
B.
MTU MB 873 Ka-501 diesel engine
The MTU MB 873 Ka-501 is a high-performance German V12 twin-turbocharged diesel engine developed by MTU Friedrichshafen to power modern main battle tanks such as the Leopard 2.
-
C.
Duramax V8 diesel
The Duramax V8 diesel is a family of turbocharged diesel engines co-developed by General Motors and Isuzu, widely used in heavy-duty Chevrolet and GMC trucks for their strong torque, towing capability, and durability.
-
D.
Perkins CV12-6A V12 diesel
The Perkins CV12-6A is a 12-cylinder turbocharged diesel engine used as the powerplant for the British Challenger 2 main battle tank.
-
E.
Thielert Centurion 1.7 diesel engine
The Thielert Centurion 1.7 is a liquid-cooled, turbocharged diesel aircraft engine derived from an automotive design and optimized for efficient, heavy-fuel operation in light aircraft and unmanned aerial vehicles.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: MTU MB 838 CaM 500 diesel engine Triple: [Leopard 1, engineType, MTU MB 838 CaM 500 diesel engine]
Generated description
The MTU MB 838 CaM 500 is a high-performance, multi-fuel diesel engine developed by MTU for use in main battle tanks such as the German Leopard 1.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: MTU MB 838 CaM 500 diesel engine Target entity description: The MTU MB 838 CaM 500 is a high-performance, multi-fuel diesel engine developed by MTU for use in main battle tanks such as the German Leopard 1.
-
A.
MTU MT881 Ka-500 diesel engine
The MTU MT881 Ka-500 is a high-performance, compact V8 diesel engine developed by MTU for use in modern tracked armored vehicles, providing the powerplant for systems such as the K9 Thunder self-propelled howitzer.
-
B.
MTU MB 873 Ka-501 diesel engine
The MTU MB 873 Ka-501 is a high-performance German V12 twin-turbocharged diesel engine developed by MTU Friedrichshafen to power modern main battle tanks such as the Leopard 2.
-
C.
Duramax V8 diesel
The Duramax V8 diesel is a family of turbocharged diesel engines co-developed by General Motors and Isuzu, widely used in heavy-duty Chevrolet and GMC trucks for their strong torque, towing capability, and durability.
-
D.
Perkins CV12-6A V12 diesel
The Perkins CV12-6A is a 12-cylinder turbocharged diesel engine used as the powerplant for the British Challenger 2 main battle tank.
-
E.
Thielert Centurion 1.7 diesel engine
The Thielert Centurion 1.7 is a liquid-cooled, turbocharged diesel aircraft engine derived from an automotive design and optimized for efficient, heavy-fuel operation in light aircraft and unmanned aerial vehicles.
- F. None of above. chosen
Provenance (5 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69a88647f9388190909bc36e795bdaec |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69abb0380a4c81909a2ad0bfd97c884a |
completed | March 7, 2026, 4:57 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69adc9b6dc9481908a83e60aee326bc4 |
completed | March 8, 2026, 7:10 p.m. |
| NEDg | Description generation | batch_69adcaef04e88190a88f789a6370bafb |
completed | March 8, 2026, 7:15 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69adcb8e053c819082a3d4b36afe35be |
completed | March 8, 2026, 7:18 p.m. |
Created at: March 4, 2026, 7:33 p.m.