Triple
T22047894
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Seoul Subway Line 4 |
E544808
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object | Seoul Metro Line 4 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: Seoul Metro Line 4 trains | Statement: [Seoul Subway Line 4, rollingStock, Seoul Metro Line 4 trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Seoul Metro Line 4 trains Context triple: [Seoul Subway Line 4, rollingStock, Seoul Metro Line 4 trains]
-
A.
Seoul Metro 4000 series trains
chosen
The Seoul Metro 4000 series trains are electric multiple units operating on Seoul Subway Line 4, known for serving as a primary fleet for this north–south rapid transit corridor in the Seoul metropolitan area.
-
B.
Seoul Metro 5000 series trains
The Seoul Metro 5000 series trains are electric multiple units operating on Seoul Subway Line 5, designed for high-capacity urban commuter service with modern safety and passenger comfort features.
-
C.
Seoul Metro 6000 series trains
The Seoul Metro 6000 series trains are electric multiple units specifically built for and operated on Seoul Subway Line 6, featuring modern urban transit design suited to the line’s medium-capacity, frequent-stop service.
-
D.
Seoul Metro 8000 series trains
The Seoul Metro 8000 series trains are electric multiple units used on Seoul’s subway system, particularly known for serving Line 8 with modern, high-capacity urban rail service.
-
E.
Seoul Metro 3000 series trains
The Seoul Metro 3000 series trains are electric multiple units specifically built to operate on Seoul Subway Line 3, providing high-capacity urban rail service across the Seoul metropolitan area.
- 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_69e11e32445c8190ab97089b48a130bb |
completed | April 16, 2026, 5:36 p.m. |
| NER | Named-entity recognition | batch_69f12830c674819080254d77ee02bc9f |
completed | April 28, 2026, 9:35 p.m. |
Created at: April 16, 2026, 8:26 p.m.