Triple
T24638064
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | EMD 645-series diesel engine |
E609867
|
entity |
| Predicate | usedInLocomotiveSeries |
P156871
|
FINISHED |
| Object |
EMD SD39
The EMD SD39 is a six-axle diesel-electric road locomotive built by Electro-Motive Division in the late 1960s, known for its relatively low horsepower, fuel-efficient 12-cylinder prime mover, and use in both freight and industrial service.
|
E1686024
|
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: EMD SD39 | Statement: [EMD 645-series diesel engine, usedInLocomotiveSeries, EMD SD39]
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: EMD SD39 Triple: [EMD 645-series diesel engine, usedInLocomotiveSeries, EMD SD39]
Generated description
The EMD SD39 is a six-axle diesel-electric road locomotive built by Electro-Motive Division in the late 1960s, known for its relatively low horsepower, fuel-efficient 12-cylinder prime mover, and use in both freight and industrial service.
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_69e2c4d28f848190ac38c400060e943d |
completed | April 17, 2026, 11:40 p.m. |
| NER | Named-entity recognition | batch_69f40f7f76288190badd669ed3221a03 |
completed | May 1, 2026, 2:27 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a10b6ff45748190abf017541c32bcc9 |
completed | May 22, 2026, 8:05 p.m. |
| NEDg | Description generation | batch_6a10b7fa6d60819097ff930865af4032 |
completed | May 22, 2026, 8:09 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a10b96e57f081908a75a191ce7bafce |
completed | May 22, 2026, 8:15 p.m. |
Created at: April 18, 2026, 2:33 a.m.