Triple
T18711203
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kanmon Kaikyo |
E457518
|
entity |
| Predicate | hasTunnel |
P21069
|
FINISHED |
| Object | Kanmon Railway Tunnel |
—
|
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: Kanmon Railway Tunnel | Statement: [Kanmon Kaikyo, hasTunnel, Kanmon Railway Tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kanmon Railway Tunnel Context triple: [Kanmon Kaikyo, hasTunnel, Kanmon Railway Tunnel]
-
A.
Kanmon Tunnel
chosen
The Kanmon Tunnel is an undersea railway and road tunnel in Japan that links the islands of Honshu and Kyushu beneath the Kanmon Straits.
-
B.
Tateyama Tunnel
Tateyama Tunnel is a high-altitude mountain tunnel in Japan that forms part of the scenic Tateyama Kurobe Alpine Route through the Northern Japan Alps.
-
C.
Omagata Tunnel
Omagata Tunnel is a road tunnel in Kristiansund, Norway, that provides a key transport link to the island district of Nordlandet.
-
D.
Seikan Tunnel
The Seikan Tunnel is a 53.85-kilometer undersea railway tunnel in Japan that connects the islands of Honshu and Hokkaido beneath the Tsugaru Strait.
-
E.
Usui Pass tunnel system
The Usui Pass tunnel system is a series of long railway tunnels in Japan that carry high-speed Shinkansen trains through the mountainous Usui Pass region.
- 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_69d8d392aad081909fe31aa03e6e97d1 |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e5671b34508190b6180f7d6ad50a58 |
completed | April 19, 2026, 11:36 p.m. |
Created at: April 10, 2026, 11:50 a.m.