Triple
T11375633
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 802 |
E269459
|
entity |
| Predicate | dieselEngineManufacturer |
P86295
|
FINISHED |
| Object | MTU |
E745146
|
NE FINISHED |
How this triple was built (3 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 | Statement: [British Rail Class 802, dieselEngineManufacturer, MTU]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MTU Context triple: [British Rail Class 802, dieselEngineManufacturer, MTU]
-
A.
MTU
MTU is a public research university in Houghton, Michigan, known for its strong engineering, technology, and science programs.
-
B.
MTU
chosen
MTU is a German brand best known for its high-performance diesel engines and propulsion systems used in marine, industrial, and power generation applications.
-
C.
MTC
MTC is the station code for Meerut City railway station, a major rail hub in the city of Meerut, Uttar Pradesh, India.
-
D.
MTC
MTC is the three-letter station code used to identify Mornington Crescent tube station on the London Underground network.
-
E.
MTC
MTC is a regional planning and transportation agency that coordinates and funds transit, highways, and other mobility projects in the San Francisco Bay Area.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: dieselEngineManufacturer Context triple: [British Rail Class 802, dieselEngineManufacturer, MTU]
-
A.
engineBrand
chosen
Indicates that one entity is the brand or manufacturer of the engine used by another entity.
-
B.
aircraftEngineManufacturer
Indicates that one entity is the manufacturer of the aircraft engine used by another entity.
-
C.
cylinderHeadBrand
Indicates the brand or manufacturer associated with a cylinder head.
-
D.
engineSupplier
Indicates a relationship where one entity supplies or provides engines to another entity.
-
E.
carManufacturer
Indicates that one entity is the company that produces or manufactures the car represented by the other entity.
- F. None of above.
Provenance (4 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_69d6aacca1048190b39dbbc2174616fa |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d800160a1c81909d115bf89fe54a49 |
completed | April 9, 2026, 7:37 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e5568e3e108190ab843236b417f150 |
completed | April 19, 2026, 10:26 p.m. |
| PD | Predicate disambiguation | batch_69d7e7022d508190996f9be0847c2b41 |
completed | April 9, 2026, 5:50 p.m. |
Created at: April 8, 2026, 9:33 p.m.