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.