Triple
T21383169
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Izumiotsu Station |
E527414
|
entity |
| Predicate | railwaySystem |
P522
|
FINISHED |
| Object | Nankai Electric Railway network |
—
|
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 Electric Railway network | Statement: [Izumiotsu Station, railwaySystem, Nankai Electric Railway network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nankai Electric Railway network Context triple: [Izumiotsu Station, railwaySystem, Nankai Electric Railway network]
-
A.
Keihan Electric Railway network
The Keihan Electric Railway network is a private railway system in Japan that primarily connects the Osaka and Kyoto metropolitan areas, serving as a major commuter and intercity transport corridor in the Kansai region.
-
B.
Nankai Electric Railway
chosen
Nankai Electric Railway is a major private railway company in Japan’s Kansai region, operating key commuter and interurban lines connecting Osaka with Wakayama and Kansai International Airport.
-
C.
Kita-Osaka Kyuko Railway network
The Kita-Osaka Kyuko Railway network is a private suburban railway system in northern Osaka Prefecture that functions as an extension of the Osaka Metro Midosuji Line, connecting central Osaka with its northern suburbs.
-
D.
Nankai Electric Railway fare network
The Nankai Electric Railway fare network is the integrated ticketing and pricing system used across Nankai Electric Railway’s lines in the Kansai region of Japan.
-
E.
Meitetsu network
The Meitetsu network is a privately operated railway system in Japan’s Chubu region, centered on Nagoya, that connects urban, suburban, and regional destinations across Aichi and Gifu Prefectures.
- 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_69e0b51f363c8190944000ab5523b02b |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e8b0f05278819096c511035ffc9777 |
completed | April 22, 2026, 11:28 a.m. |
Created at: April 16, 2026, 5:12 p.m.