Triple
T22749456
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | R143 |
E562654
|
entity |
| Predicate | usesTechnology |
P1485
|
FINISHED |
| Object | AC propulsion |
—
|
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: AC propulsion | Statement: [R143, usesTechnology, AC propulsion]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: AC propulsion Context triple: [R143, usesTechnology, AC propulsion]
-
A.
AC propulsion
chosen
AC propulsion is an electric traction technology that uses alternating current motors and solid-state inverters to drive rail vehicles more efficiently and reliably than traditional DC systems.
-
B.
alternating current power system
The alternating current power system is an electrical generation, transmission, and distribution framework that uses alternating current to efficiently deliver electricity over long distances and underpins modern power grids worldwide.
-
C.
ADtranz
ADtranz was a major European rail engineering company known for designing and manufacturing locomotives, multiple units, and other railway rolling stock before its acquisition by Bombardier.
-
D.
AC
AC is the stock ticker symbol for Air Canada, the largest airline and flag carrier of Canada, traded on the Toronto Stock Exchange.
-
E.
AC
AC is the vehicle registration code used on license plates for the German city of Aachen and its surrounding district.
- 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_69e24551ec7881909a9c924dbea155f6 |
completed | April 17, 2026, 2:36 p.m. |
| NER | Named-entity recognition | batch_69f179b822988190b5368ac1f4e1d70a |
completed | April 29, 2026, 3:23 a.m. |
Created at: April 17, 2026, 3:24 p.m.