Triple
T9293930
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cheonan |
E223590
|
entity |
| Predicate | hasMetroService |
P941
|
FINISHED |
| Object | Seoul Metropolitan Subway Line 1 |
E536155
|
NE FINISHED |
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 Metropolitan Subway Line 1 | Statement: [Cheonan, hasMetroService, Seoul Metropolitan Subway Line 1]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Seoul Metropolitan Subway Line 1 Context triple: [Cheonan, hasMetroService, Seoul Metropolitan Subway Line 1]
-
A.
Seoul Subway Line 1
chosen
Seoul Subway Line 1 is a major north–south subway line in the Seoul Metropolitan Subway system, connecting central Seoul with numerous suburban cities and serving as one of the network’s oldest and busiest routes.
-
B.
Seoul Subway Line 2
Seoul Subway Line 2 is a major circular metro line in Seoul’s subway system, known for serving key commercial and business districts across the city.
-
C.
Seoul Subway Line 3
Seoul Subway Line 3 is a major north–south rapid transit line in Seoul’s subway network, connecting key districts including Gangnam with central and northern parts of the city.
-
D.
Seoul Metropolitan Subway
The Seoul Metropolitan Subway is an extensive rapid transit network serving Seoul and its surrounding metropolitan area, known for its high efficiency, cleanliness, and technological sophistication.
-
E.
Shinbundang Line
The Shinbundang Line is a high-speed, driverless subway line in the Seoul metropolitan area that connects southern Seoul with the satellite city of Bundang.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ca8423edb08190bc0c91287a484768 |
completed | March 30, 2026, 2:09 p.m. |
| NER | Named-entity recognition | batch_69cd089a2ed0819086b2e4219ff2453e |
completed | April 1, 2026, 11:59 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d139bfc054819084b39c16b7bdb2be |
completed | April 4, 2026, 4:18 p.m. |
Created at: March 30, 2026, 7:35 p.m.