Triple
T22712650
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | West Midlands Trains rolling stock |
E561641
|
entity |
| Predicate | electrificationSystemCompatibleWith |
P5320
|
FINISHED |
| Object | 25 kV AC overhead line |
—
|
LITERAL 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: 25 kV AC overhead line | Statement: [West Midlands Trains rolling stock, electrificationSystemCompatibleWith, 25 kV AC overhead line]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: electrificationSystemCompatibleWith Context triple: [West Midlands Trains rolling stock, electrificationSystemCompatibleWith, 25 kV AC overhead line]
-
A.
electrificationCompatibility
Indicates whether one entity can be effectively and safely powered, charged, or operated using the electrical system, standards, or infrastructure associated with another entity.
-
B.
electrificationSystem
chosen
Indicates the type of electrical power system used to supply energy (typically to infrastructure or vehicles) for operation.
-
C.
electrificationUsedBy
Indicates that a particular electrification system, method, or technology is employed or utilized by a given entity.
-
D.
electrificationUsedFor
Indicates that electrification is employed as a means or method to achieve, enable, or support a particular function, process, or purpose.
-
E.
hasElectrificationStatus
Indicates that an entity possesses a specified type or level of electrification (e.g., electrified, non-electrified, partially electrified).
- F. None of above.
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_69e2454f1348819088d83f420925a5c1 |
completed | April 17, 2026, 2:35 p.m. |
| NER | Named-entity recognition | batch_69f1790ab6208190a342f076002324ab |
completed | April 29, 2026, 3:20 a.m. |
| PD | Predicate disambiguation | batch_69ee62bd657c81909f7b01245b080a5f |
completed | April 26, 2026, 7:08 p.m. |
Created at: April 17, 2026, 3:18 p.m.