Triple
T22642855
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Curado metro station |
E558876
|
entity |
| Predicate | electrification |
P392
|
FINISHED |
| Object | electric multiple units (Recife Metro) |
—
|
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: electric multiple units (Recife Metro) | Statement: [Curado metro station, electrification, electric multiple units (Recife Metro)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: electric multiple units (Recife Metro) Context triple: [Curado metro station, electrification, electric multiple units (Recife Metro)]
-
A.
Metro EMU
Metro EMU is a type of electric multiple unit specifically designed for high-frequency urban metro and rapid transit rail services.
-
B.
CPTM Series 9500 trains
CPTM Series 9500 trains are modern electric multiple units used in São Paulo’s commuter rail network, known for their improved comfort, accessibility, and energy efficiency.
-
C.
Sistema de Tren Eléctrico Urbano
Sistema de Tren Eléctrico Urbano is the public agency that operates and manages the electric light rail and related urban rail services in the Guadalajara metropolitan area of Mexico.
-
D.
Electric Multiple Unit
chosen
An Electric Multiple Unit is a self-propelled train consisting of multiple powered carriages, commonly used for high-frequency suburban and commuter rail services.
-
E.
E-series metro trains
E-series metro trains are an earlier generation of Soviet-designed electric multiple units that served as a foundational model for later metro rolling stock across various Eastern European and former Soviet cities.
- 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_69e24547f7fc819086e2c4ba3b979657 |
completed | April 17, 2026, 2:35 p.m. |
| NER | Named-entity recognition | batch_69f1703577948190ae044df4f8500bfe |
completed | April 29, 2026, 2:43 a.m. |
Created at: April 17, 2026, 3:04 p.m.