Triple
T17709821
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Syretsko–Pecherska line |
E441532
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object | 81-717/714 series trains |
—
|
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: 81-717/714 series trains | Statement: [Syretsko–Pecherska line, rollingStock, 81-717/714 series trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 81-717/714 series trains Context triple: [Syretsko–Pecherska line, rollingStock, 81-717/714 series trains]
-
A.
81-717/714 series
chosen
The 81-717/714 series is a widely used Soviet-designed electric multiple unit metro train type that has operated on numerous subway systems across the former Eastern Bloc and beyond.
-
B.
MR-73 trains
MR-73 trains are a long-serving series of rubber-tired electric multiple units used on the Montreal Metro, known for their distinctive acceleration sound and robust stainless-steel construction.
-
C.
M100 series trains
The M100 series trains are the original electric multiple units that have operated on the Helsinki Metro since its opening, known for their robust design and long service life.
-
D.
NS-74 trains
NS-74 trains are a series of electric multiple units used on the Santiago Metro system in Chile, known for their long service history and role in the network’s expansion.
-
E.
C-series trains
C-series trains are a modern class of electric multiple-unit subway trains used on the Munich U-Bahn, known for their articulated design and improved passenger comfort and capacity.
- 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_69d8b9ea20b48190ace88bb46b01e6a9 |
completed | April 10, 2026, 8:50 a.m. |
| NER | Named-entity recognition | batch_69e4729a9a9c81908d65ff0bda12c961 |
completed | April 19, 2026, 6:13 a.m. |
Created at: April 10, 2026, 10:05 a.m.