Triple
T20091366
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sapporo Station |
E496276
|
entity |
| Predicate | servedByService |
P1294
|
FINISHED |
| Object | Limited Express Okhotsk |
—
|
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 Okhotsk | Statement: [Sapporo Station, servedByService, Limited Express Okhotsk]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Limited Express Okhotsk Context triple: [Sapporo Station, servedByService, Limited Express Okhotsk]
-
A.
Kuroshio limited express
The Kuroshio limited express is a Japanese intercity train service connecting Osaka with the Wakayama and Kii Peninsula regions along the Pacific coast.
-
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.
Chūgoku EXP
Chūgoku EXP is a major Japanese expressway forming part of the national expressway network and serving the Chūgoku region of western Honshu.
-
D.
Nankai Limited Express Rapi:t
Nankai Limited Express Rapi:t is a distinctive, high-speed airport train service in Japan known for its futuristic design and direct connection between central Osaka and Kansai International Airport.
-
E.
Ariake limited express
Ariake limited express is a Japanese limited express train service in Kyushu known for connecting major cities such as Fukuoka and Kumamoto.
- 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 Okhotsk Target entity description: Limited Express Okhotsk is a Japanese limited express train service operated by JR Hokkaido that connects Sapporo with eastern Hokkaido, particularly the Abashiri area.
-
A.
Kuroshio limited express
The Kuroshio limited express is a Japanese intercity train service connecting Osaka with the Wakayama and Kii Peninsula regions along the Pacific coast.
-
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.
Chūgoku EXP
Chūgoku EXP is a major Japanese expressway forming part of the national expressway network and serving the Chūgoku region of western Honshu.
-
D.
Nankai Limited Express Rapi:t
Nankai Limited Express Rapi:t is a distinctive, high-speed airport train service in Japan known for its futuristic design and direct connection between central Osaka and Kansai International Airport.
-
E.
Ariake limited express
Ariake limited express is a Japanese limited express train service in Kyushu known for connecting major cities such as Fukuoka and Kumamoto.
- 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.