Triple
T18125243
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Izumisano |
E433855
|
entity |
| Predicate | railwayServedBy |
P782
|
FINISHED |
| Object | Nankai Main Line |
—
|
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: Nankai Main Line | Statement: [Izumisano, railwayServedBy, Nankai Main Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nankai Main Line Context triple: [Izumisano, railwayServedBy, Nankai Main Line]
-
A.
Nankai Main Line
chosen
The Nankai Main Line is a major private railway line in the Osaka region of Japan, operated by Nankai Electric Railway and serving as a key commuter and airport access route.
-
B.
Nankai Takashinohama Line
The Nankai Takashinohama Line is a short commuter railway line in Osaka Prefecture, Japan, operated by Nankai Electric Railway and serving local passengers in the Sakai area.
-
C.
Keihan Main Line
The Keihan Main Line is a major Japanese railway line operated by Keihan Electric Railway, connecting Osaka and Kyoto and serving as a key commuter and intercity route in the Kansai region.
-
D.
Nankai Hashimoto Line
The Nankai Hashimoto Line is a regional railway line in Japan operated by Nankai Electric Railway, connecting suburban areas of Osaka Prefecture with Hashimoto in Wakayama Prefecture.
-
E.
Nippō Main Line
The Nippō Main Line is a major railway line in Kyushu, Japan, operated by JR Kyushu and running along the eastern coast to connect key cities including Beppu, Oita, and Miyazaki.
- 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_69d8b909e8cc81908df4cc2b8ea6d11f |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e4dded1bd4819080fa362e88c921cf |
completed | April 19, 2026, 1:51 p.m. |
Created at: April 10, 2026, 10:28 a.m.