Triple
T5819718
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MTU MT881 Ka-500 |
E129076
|
entity |
| Predicate | partOfSeries |
P1761
|
FINISHED |
| Object | MTU MT881 engine family |
E129076
|
NE FINISHED |
How this triple was built (2 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 MT881 engine family | Statement: [MTU MT881 Ka-500, partOfSeries, MTU MT881 engine family]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MTU MT881 engine family Context triple: [MTU MT881 Ka-500, partOfSeries, MTU MT881 engine family]
-
A.
MTU MT881 Ka-500 diesel engine
chosen
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 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.
-
C.
Mitsubishi Shinten engine family
The Mitsubishi Shinten engine family was an early series of Japanese aircraft piston engines that served as the technological basis for later, more advanced powerplants such as the Mitsubishi Kinsei.
-
D.
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.
-
E.
Merlin engine family
The Merlin engine family is a series of liquid-fueled rocket engines developed by SpaceX, primarily used to power the Falcon 9 and Falcon Heavy launch vehicles.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69c0084869e881908d7859492183ca7b |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c033e477c08190a8bd37c879e6b6b8 |
completed | March 22, 2026, 6:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c0985399488190bcab9702e3b88539 |
completed | March 23, 2026, 1:33 a.m. |
Created at: March 22, 2026, 3:53 p.m.