Ikebukuro Station
E145574
Ikebukuro Station is one of Tokyo’s busiest railway hubs, serving multiple JR and private lines and acting as a major commercial and transit center in the Ikebukuro district.
All labels observed (7)
| Label | Occurrences |
|---|---|
| Ikebukuro Station canonical | 57 |
| JR East Ikebukuro Station | 2 |
| Ikebukuro Station (Saikyo Line) | 1 |
| Ikebukuro Station–Ginza-itchōme Station | 1 |
| Ikebukuro – Seibu-Chichibu | 1 |
| Tokyo Metro Ikebukuro Station | 1 |
| 池袋駅 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1081032 — 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: Ikebukuro Station Context triple: [JR Shonan–Shinjuku Line, passesThroughStation, Ikebukuro Station]
-
A.
Kyobashi Station
Kyobashi Station is a major railway hub in Osaka, Japan, serving multiple JR West, Keihan, and Osaka Metro lines and connecting central Osaka with surrounding areas.
-
B.
Shibuya Station
Shibuya Station is one of Tokyo’s busiest and most important railway hubs, serving multiple train and subway lines and anchoring the famous Shibuya shopping and entertainment district.
-
C.
Shinjuku Station
Shinjuku Station is one of the world’s busiest railway hubs, serving as a major commercial and transportation center in Tokyo, Japan.
-
D.
Shinsaibashi Station
Shinsaibashi Station is a major Osaka Metro subway station in Osaka, Japan, serving as a key transit hub for the bustling Shinsaibashi shopping and entertainment district.
-
E.
Asashiobashi Station
Asashiobashi Station is a railway station on Osaka's Chūō Line, serving the local area in Konohana-ku, Osaka, Japan.
- 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: Ikebukuro Station Target entity description: Ikebukuro Station is one of Tokyo’s busiest railway hubs, serving multiple JR and private lines and acting as a major commercial and transit center in the Ikebukuro district.
-
A.
Kyobashi Station
Kyobashi Station is a major railway hub in Osaka, Japan, serving multiple JR West, Keihan, and Osaka Metro lines and connecting central Osaka with surrounding areas.
-
B.
Shibuya Station
Shibuya Station is one of Tokyo’s busiest and most important railway hubs, serving multiple train and subway lines and anchoring the famous Shibuya shopping and entertainment district.
-
C.
Shinjuku Station
Shinjuku Station is one of the world’s busiest railway hubs, serving as a major commercial and transportation center in Tokyo, Japan.
-
D.
Shinsaibashi Station
Shinsaibashi Station is a major Osaka Metro subway station in Osaka, Japan, serving as a key transit hub for the bustling Shinsaibashi shopping and entertainment district.
-
E.
Asashiobashi Station
Asashiobashi Station is a railway station on Osaka's Chūō Line, serving the local area in Konohana-ku, Osaka, Japan.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
railway hub
ⓘ
railway station ⓘ transportation infrastructure ⓘ |
| country | Japan ⓘ |
| hasAdjacentStationOnLine |
Mejiro Station on Yamanote Line
ⓘ
Otsuka Station on Yamanote Line ⓘ
linked to:
Otsuka Station
|
| hasConnection |
airport limousine buses
ⓘ
local bus services ⓘ |
| hasFacility |
bus terminal
ⓘ
department stores ⓘ restaurants ⓘ shopping malls ⓘ |
| hasPlatformType |
island platform
ⓘ
side platform ⓘ |
| hasStationCode |
F09
ⓘ
JA12 ⓘ JS21 ⓘ JY13 ⓘ M25 ⓘ SI01 ⓘ TJ01 ⓘ Y09 ⓘ |
| hasStructureType |
at-grade station
ⓘ
elevated station ⓘ underground station ⓘ |
| locatedIn |
Honshu
ⓘ
Ikebukuro ⓘ Japan ⓘ Kantō region ⓘ Tokyo ⓘ Tokyo Metropolis ⓘ
linked to:
Tokyo Prefecture
Toshima ⓘ |
| locatedInDistrict | Ikebukuro commercial district ⓘ |
| openingDate | 1903-04-01 ⓘ |
| operator |
East Japan Railway Company
ⓘ
JR East ⓘ
linked to:
East Japan Railway Company
Seibu Railway ⓘ Tobu Railway ⓘ Tokyo Metro ⓘ |
| passengerTrafficRankInJapan | among busiest ⓘ |
| role |
interchange station
ⓘ
major commercial center ⓘ major commuter hub ⓘ |
| servedByLine |
Saikyo Line
ⓘ
linked to:
Saikyō Line
Seibu Ikebukuro Line ⓘ Shonan–Shinjuku Line ⓘ
linked to:
JR Shonan–Shinjuku Line
Tobu Tojo Line ⓘ Tokyo Metro Fukutoshin Line ⓘ Tokyo Metro Marunouchi Line ⓘ Tokyo Metro Yurakucho Line ⓘ
linked to:
Tokyo Metro Yurakuchō Line
Yamanote Line ⓘ
linked to:
JR Yamanote Line
|
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: Ikebukuro Station Description of subject: Ikebukuro Station is one of Tokyo’s busiest railway hubs, serving multiple JR and private lines and acting as a major commercial and transit center in the Ikebukuro district.
Referenced by (64)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Ikebukuro Station
linked to: Ikebukuro Station
linked to: Ikebukuro Station
linked to: Ikebukuro Station
subject linked to:
Mejiro Station on Yamanote Line