Triple
T20537118
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Yongsan-gu |
E504227
|
entity |
| Predicate | hasMetroService |
P941
|
FINISHED |
| Object | AREX (via Seoul Station) |
—
|
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: AREX (via Seoul Station) | Statement: [Yongsan-gu, hasMetroService, AREX (via Seoul Station)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: AREX (via Seoul Station) Context triple: [Yongsan-gu, hasMetroService, AREX (via Seoul Station)]
-
A.
AREX via Seoul Station
chosen
AREX via Seoul Station is the segment of South Korea’s airport railroad that links central Seoul’s main rail hub with Incheon and Gimpo International Airports.
-
B.
Incheon Airport Railroad (AREX)
Incheon Airport Railroad (AREX) is a rail line in South Korea that connects central Seoul with Incheon International Airport and Gimpo International Airport, providing fast airport rail service for travelers.
-
C.
Saemaeul-ho express
Saemaeul-ho express was a long-distance passenger train service in South Korea that operated as one of the country’s primary intercity rail options before being succeeded by the ITX-Saemaeul.
-
D.
Yeosu Expo Station
Yeosu Expo Station is a major railway station in Yeosu, South Korea, serving as the coastal gateway to the city and its expo site and connecting it to the national high-speed rail network.
-
E.
Seoul Station
Seoul Station is a major railway and transportation hub in central Seoul, South Korea, serving high-speed, intercity, and commuter trains as well as multiple subway lines.
- 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_69e0b4b476648190bc6019622ae54d3c |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e6a28f2f1081908f656d790ff182ff |
completed | April 20, 2026, 10:02 p.m. |
Created at: April 16, 2026, 11:37 a.m.