Omiya–Morioka
E832643
Omiya–Morioka is the original northern segment of Japan’s Tōhoku Shinkansen high-speed rail line, connecting the Greater Tokyo area with the Tōhoku region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Omiya–Morioka canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9916938 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Omiya–Morioka Context triple: [Tōhoku Shinkansen, initialSectionOpened, Omiya–Morioka]
-
A.
Omiya
Omiya is a major commercial and transportation hub in Saitama Prefecture, Japan, known for its busy railway station and urban center.
-
B.
Morioka
Morioka is the capital city of Iwate Prefecture in Japan’s Tōhoku region, known for its historic castle site, surrounding mountains, and distinctive local noodle dishes.
-
C.
Utsunomiya
Utsunomiya is a city in Tochigi Prefecture, Japan, known as a regional commercial center and for its specialty gyoza (dumplings).
-
D.
Kitakami, Iwate
Kitakami, Iwate is a city in Iwate Prefecture, Japan, known for its scenic Kitakami River, springtime cherry blossoms, and historical cultural sites.
-
E.
Ichinoseki, Iwate
Ichinoseki, Iwate is a city in southern Iwate Prefecture, Japan, known as a regional hub with historical sites and access to scenic areas such as the Geibi Gorge.
- 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: Omiya–Morioka Target entity description: Omiya–Morioka is the original northern segment of Japan’s Tōhoku Shinkansen high-speed rail line, connecting the Greater Tokyo area with the Tōhoku region.
-
A.
Omiya
Omiya is a major commercial and transportation hub in Saitama Prefecture, Japan, known for its busy railway station and urban center.
-
B.
Morioka
Morioka is the capital city of Iwate Prefecture in Japan’s Tōhoku region, known for its historic castle site, surrounding mountains, and distinctive local noodle dishes.
-
C.
Utsunomiya
Utsunomiya is a city in Tochigi Prefecture, Japan, known as a regional commercial center and for its specialty gyoza (dumplings).
-
D.
Kitakami, Iwate
Kitakami, Iwate is a city in Iwate Prefecture, Japan, known for its scenic Kitakami River, springtime cherry blossoms, and historical cultural sites.
-
E.
Ichinoseki, Iwate
Ichinoseki, Iwate is a city in southern Iwate Prefecture, Japan, known as a regional hub with historical sites and access to scenic areas such as the Geibi Gorge.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
high-speed rail line section
ⓘ
railway line segment ⓘ |
| connectsArea | Greater Tokyo rail hub ⓘ |
| connectsCity |
Morioka
ⓘ
Saitama ⓘ |
| connectsRegion |
Greater Tokyo Area
ⓘ
linked to:
Tokyo metropolitan area
Tōhoku region ⓘ
linked to:
Tohoku
|
| country | Japan ⓘ |
| electrification | AC 25 kV 50 Hz overhead catenary ⓘ |
| endStation | Morioka Station NERFINISHED ⓘ |
| lineRole | original northern segment of the Tōhoku Shinkansen ⓘ |
| locatedIn | Japan ⓘ |
| locatedInRegion |
Kantō region
ⓘ
Tōhoku region ⓘ
linked to:
Tohoku
|
| operator |
East Japan Railway Company
ⓘ
JR East ⓘ
linked to:
East Japan Railway Company
|
| partOf | Tōhoku Shinkansen ⓘ |
| partOfNetwork |
Shinkansen network
ⓘ
linked to:
Shinkansen high-speed rail network
|
| railwayGauge | standard gauge ⓘ |
| railwaySystem | Japanese high-speed rail system ⓘ |
| railwayType |
Shinkansen
ⓘ
high-speed rail ⓘ |
| startStation | Omiya Station NERFINISHED ⓘ |
| status | in operation ⓘ |
| usesRollingStockType | Shinkansen electric multiple units ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Omiya–Morioka Description of subject: Omiya–Morioka is the original northern segment of Japan’s Tōhoku Shinkansen high-speed rail line, connecting the Greater Tokyo area with the Tōhoku region.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.