Ochanomizu Station on Sōbu Line (Rapid)
E823559
Ochanomizu Station on the Sōbu Line (Rapid) is a major JR East railway station in central Tokyo that serves as a key transfer point between the Chūō and Sōbu Line services near the Kanda River and several university districts.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ochanomizu Station on Sōbu Line (Rapid) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9814744 — 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: Ochanomizu Station on Sōbu Line (Rapid) Context triple: [Akihabara Station, adjacentStationOnLine, Ochanomizu Station on Sōbu Line (Rapid)]
-
A.
Mejiro Station on Yamanote Line
Mejiro Station on the Yamanote Line is a small, relatively quiet JR East railway station in Tokyo’s Toshima ward, situated between the major hubs of Ikebukuro and Takadanobaba.
-
B.
Jimbocho Station on Toei Shinjuku Line
Jimbocho Station on the Toei Shinjuku Line is an underground subway station in Tokyo’s Chiyoda ward, serving the Jimbocho district and providing transfers to multiple Tokyo Metro and Toei lines.
-
C.
Omiya Station
Omiya Station is a major railway hub in Saitama, Japan, serving numerous JR East lines and Shinkansen routes and functioning as a key gateway between Tokyo and northern Japan.
-
D.
JR Saikyo Line (at Ikebukuro Station)
The JR Saikyo Line at Ikebukuro Station is a major JR East commuter rail line in Tokyo that provides rapid north–south access through the city and connects with multiple private and subway lines.
-
E.
Utsunomiya Station
Utsunomiya Station is a major railway hub in Utsunomiya, Tochigi Prefecture, Japan, served by multiple JR East lines and Shinkansen services.
- 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: Ochanomizu Station on Sōbu Line (Rapid) Target entity description: Ochanomizu Station on the Sōbu Line (Rapid) is a major JR East railway station in central Tokyo that serves as a key transfer point between the Chūō and Sōbu Line services near the Kanda River and several university districts.
-
A.
Mejiro Station on Yamanote Line
Mejiro Station on the Yamanote Line is a small, relatively quiet JR East railway station in Tokyo’s Toshima ward, situated between the major hubs of Ikebukuro and Takadanobaba.
-
B.
Jimbocho Station on Toei Shinjuku Line
Jimbocho Station on the Toei Shinjuku Line is an underground subway station in Tokyo’s Chiyoda ward, serving the Jimbocho district and providing transfers to multiple Tokyo Metro and Toei lines.
-
C.
Omiya Station
Omiya Station is a major railway hub in Saitama, Japan, serving numerous JR East lines and Shinkansen routes and functioning as a key gateway between Tokyo and northern Japan.
-
D.
JR Saikyo Line (at Ikebukuro Station)
The JR Saikyo Line at Ikebukuro Station is a major JR East commuter rail line in Tokyo that provides rapid north–south access through the city and connects with multiple private and subway lines.
-
E.
Utsunomiya Station
Utsunomiya Station is a major railway hub in Utsunomiya, Tochigi Prefecture, Japan, served by multiple JR East lines and Shinkansen services.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
JR East station
ⓘ
railway station ⓘ |
| country | Japan ⓘ |
| fareSystem | JR East metropolitan area fare system ⓘ |
| hasAccessibility | urban commuter access ⓘ |
| hasAdjacentArea |
Bunkyo ward boundary
ⓘ
Kanda district NERFINISHED ⓘ Ochanomizu commercial district NERFINISHED ⓘ |
| hasFunction | interchange between Chūō and Sōbu services ⓘ |
| hasImportance | key node on Chūō–Sōbu corridor ⓘ |
| hasRole |
commuter rail hub
ⓘ
major transfer point ⓘ |
| hasService |
local service (Chūō-Sōbu Line)
ⓘ
rapid service ⓘ |
| hasTrafficType |
commuter rail
ⓘ
urban rail ⓘ |
| isTransferStationBetween |
Chūō Line (Rapid)
NERFINISHED
ⓘ
Chūō-Sōbu Line NERFINISHED ⓘ Sōbu Line (Rapid) NERFINISHED ⓘ |
| lineServed |
Chūō Line (Rapid)
NERFINISHED
ⓘ
Chūō-Sōbu Line NERFINISHED ⓘ Sōbu Line (Rapid) NERFINISHED ⓘ |
| locatedIn |
Chiyoda, Tokyo
NERFINISHED
ⓘ
Tokyo ⓘ central Tokyo ⓘ |
| locatedNear |
Kanda River
NERFINISHED
ⓘ
Ochanomizu university district NERFINISHED ⓘ Surugadai area NERFINISHED ⓘ Yushima area NERFINISHED ⓘ medical and educational facilities area ⓘ |
| locatedOn | railway viaduct near Kanda River ⓘ |
| operator |
East Japan Railway Company
NERFINISHED
ⓘ
JR East NERFINISHED ⓘ |
| railwayCompanyType | JR Group company operated ⓘ |
| railwayNetwork | JR East network ⓘ |
| regionServed | Tokyo metropolitan area NERFINISHED ⓘ |
| servesDistrict |
educational institutions area
ⓘ
university district ⓘ |
| ticketingSystem |
IC card compatible
ⓘ
PASMO accepted ⓘ Suica accepted ⓘ |
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: Ochanomizu Station on Sōbu Line (Rapid) Description of subject: Ochanomizu Station on the Sōbu Line (Rapid) is a major JR East railway station in central Tokyo that serves as a key transfer point between the Chūō and Sōbu Line services near the Kanda River and several university districts.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.