Triple
T17423440
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MPI F40PH-3C |
E423675
|
entity |
| Predicate | rebuiltFrom |
P11047
|
FINISHED |
| Object | F40PH |
—
|
NE NERFINISHED |
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: F40PH | Statement: [MPI F40PH-3C, rebuiltFrom, F40PH]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: F40PH Context triple: [MPI F40PH-3C, rebuiltFrom, F40PH]
-
A.
F.40
F.40 is the catalog designation for J.S. Bach’s Harpsichord Concerto in D minor, one of his most frequently performed and recorded keyboard concertos.
-
B.
F404-GE-400
The F404-GE-400 is a variant of General Electric’s F404 afterburning turbofan engine, widely used to power lightweight fighter and attack aircraft with a balance of high thrust, reliability, and maintainability.
-
C.
GP40PH-2
The GP40PH-2 is a rebuilt passenger diesel-electric locomotive, derived from the EMD GP40 freight design and equipped with head-end power for commuter rail service.
-
D.
F.400
The F.400 is a light aircraft model created by renowned Italian aeronautical engineer and aircraft designer Stelio Frati.
-
E.
F40PH-2D (rebuilt variants, historically)
chosen
The F40PH-2D rebuilt variants are upgraded versions of the classic EMD F40PH diesel-electric passenger locomotives, historically used by the MBTA for commuter rail service around Boston.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d889d88b6081908bada047f5b3ba51 |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e44238b418819095c6a013d3ff3b17 |
completed | April 19, 2026, 2:47 a.m. |
Created at: April 10, 2026, 5:46 a.m.