Triple
T20091368
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sapporo Station |
E496276
|
entity |
| Predicate | servedByService |
P1294
|
FINISHED |
| Object | Limited Express Kamui |
—
|
NE NERFINISHED |
How this triple was built (3 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: Limited Express Kamui | Statement: [Sapporo Station, servedByService, Limited Express Kamui]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Limited Express Kamui Context triple: [Sapporo Station, servedByService, Limited Express Kamui]
-
A.
Kamome limited express
Kamome limited express is a Japanese limited express train service in Kyushu known for connecting major cities such as Hakata and Nagasaki with fast, comfortable intercity travel.
-
B.
Kinugawa limited express
The Kinugawa limited express is a Japanese limited express train service connecting Tokyo-area stations with the Kinugawa Onsen hot spring resort area in Tochigi Prefecture.
-
C.
Kegon limited express
The Kegon limited express is a Japanese limited express train service connecting Tokyo with the Nikko area, known for providing fast and comfortable access to the popular tourist destination.
-
D.
Ryomo limited express
The Ryomo limited express is a Japanese limited express train service providing fast, comfortable intercity travel on routes operated by Tobu Railway.
-
E.
Kinu limited express
The Kinu limited express is a Japanese limited express train service providing fast, comfortable connections between Tokyo and destinations in the Nikko and Kinugawa regions.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Limited Express Kamui Target entity description: Limited Express Kamui is a Japanese limited express train service in Hokkaido that connects Sapporo with surrounding cities, offering fast and comfortable intercity travel.
-
A.
Kamome limited express
Kamome limited express is a Japanese limited express train service in Kyushu known for connecting major cities such as Hakata and Nagasaki with fast, comfortable intercity travel.
-
B.
Kinugawa limited express
The Kinugawa limited express is a Japanese limited express train service connecting Tokyo-area stations with the Kinugawa Onsen hot spring resort area in Tochigi Prefecture.
-
C.
Kegon limited express
The Kegon limited express is a Japanese limited express train service connecting Tokyo with the Nikko area, known for providing fast and comfortable access to the popular tourist destination.
-
D.
Ryomo limited express
The Ryomo limited express is a Japanese limited express train service providing fast, comfortable intercity travel on routes operated by Tobu Railway.
-
E.
Kinu limited express
The Kinu limited express is a Japanese limited express train service providing fast, comfortable connections between Tokyo and destinations in the Nikko and Kinugawa regions.
- F. None of above. chosen
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_69da626eee3881909f3454986d4a6511 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e6655edde08190a3f950e7f0c7cf9c |
completed | April 20, 2026, 5:41 p.m. |
Created at: April 11, 2026, 11:21 p.m.