Osaka Monorail
E40878
Osaka Monorail is a straddle-beam monorail system in Osaka Prefecture, Japan, serving as a major urban transit line linking key suburbs, commercial areas, and transport hubs.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Osaka Monorail canonical | 14 |
| Osaka Monorail Main Line | 6 |
| Osaka Monorail Saito Line | 4 |
| Hitachi monorail systems | 1 |
| Osaka Monorail Expo '70 Commemorative Park Station | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T317290 — 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: Osaka Monorail Context triple: [Osaka International Airport, connectedBy, Osaka Monorail]
-
A.
Osaka Metro
Osaka Metro is the rapid transit network serving Japan’s city of Osaka and its surrounding urban area.
-
B.
Toei Subway
Toei Subway is one of Tokyo's two main subway networks, operated by the Tokyo Metropolitan Bureau of Transportation and serving numerous urban and suburban areas across the city.
-
C.
Osaka Metro Sennichimae Line
The Osaka Metro Sennichimae Line is a rapid transit line in Osaka, Japan, running east–west through central parts of the city and connecting major commercial and residential districts.
-
D.
Tokyo Metro
Tokyo Metro is one of the two main rapid transit operators in Tokyo, running an extensive network of subway lines that serve the city’s central and metropolitan areas.
-
E.
Tokyo Metro Fukutoshin Line
The Tokyo Metro Fukutoshin Line is a major Tokyo subway line running north–south through central and suburban areas, connecting key hubs such as Shibuya with other important districts.
- 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: Osaka Monorail Target entity description: Osaka Monorail is a straddle-beam monorail system in Osaka Prefecture, Japan, serving as a major urban transit line linking key suburbs, commercial areas, and transport hubs.
-
A.
Osaka Metro
Osaka Metro is the rapid transit network serving Japan’s city of Osaka and its surrounding urban area.
-
B.
Toei Subway
Toei Subway is one of Tokyo's two main subway networks, operated by the Tokyo Metropolitan Bureau of Transportation and serving numerous urban and suburban areas across the city.
-
C.
Osaka Metro Sennichimae Line
The Osaka Metro Sennichimae Line is a rapid transit line in Osaka, Japan, running east–west through central parts of the city and connecting major commercial and residential districts.
-
D.
Tokyo Metro
Tokyo Metro is one of the two main rapid transit operators in Tokyo, running an extensive network of subway lines that serve the city’s central and metropolitan areas.
-
E.
Tokyo Metro Fukutoshin Line
The Tokyo Metro Fukutoshin Line is a major Tokyo subway line running north–south through central and suburban areas, connecting key hubs such as Shibuya with other important districts.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
monorail system
ⓘ
public transport system ⓘ urban rail transit ⓘ |
| connectsTo |
Hankyu Minoh Line
ⓘ
surface form:
Hankyu Railway lines
JR West Urban Network ⓘ
surface form:
JR West lines
Kansai International Airport (via connecting rail lines) ⓘ Hankyu Kyoto Main Line ⓘ
surface form:
Kyoto Line (Hankyu)
Osaka International Airport ⓘ
surface form:
Osaka International Airport (Itami Airport)
Osaka Metro lines ⓘ Osaka Monorail self-linksurface differs ⓘ
surface form:
Osaka Monorail Main Line
|
| country | Japan ⓘ |
| electrification | 750 V DC third rail ⓘ |
| fareSystem | distance-based fare ⓘ |
| gauge | straddle-beam concrete guideway ⓘ |
| hasJapaneseName | 大阪モノレール ⓘ |
| headquartersLocation | Osaka Prefecture ⓘ |
| languageOfName | Japanese ⓘ |
| line |
Osaka Monorail
self-linksurface differs
ⓘ
surface form:
Osaka Monorail Main Line
Osaka Monorail self-linksurface differs ⓘ
surface form:
Osaka Monorail Saito Line
|
| locatedIn |
Kansai region
ⓘ
Osaka Prefecture ⓘ |
| notableFeature | one of the longest monorail systems in the world by route length ⓘ |
| numberOfLines | 2 ⓘ |
| openedSection |
Ibaraki
ⓘ
surface form:
Senri-Chūō – Minami-Ibaraki
|
| openingDate | 1990 ⓘ |
| operator | Osaka Monorail Co., Ltd. ⓘ |
| owner | Osaka Monorail Co., Ltd. ⓘ |
| primaryFunction |
airport access
ⓘ
suburban connector ⓘ urban transit ⓘ |
| regionServed |
Osaka–Kobe metropolitan area
ⓘ
surface form:
Greater Osaka metropolitan area
|
| rollingStockType | electric multiple units ⓘ |
| safetySystem |
automatic train control
ⓘ
automatic train operation ⓘ |
| serves | Osaka Prefecture ⓘ |
| servesArea |
commercial districts in Osaka Prefecture
ⓘ
northern Osaka suburbs ⓘ university and research areas in Saito ⓘ |
| servesFacility |
Expo ’70 Commemorative Park
ⓘ
surface form:
Expo ’70 Commemorative Park area
Osaka International Airport ⓘ
surface form:
Osaka International Airport terminal
|
| stationType | all stations elevated ⓘ |
| structureType | elevated ⓘ |
| ticketing |
IC card compatible
ⓘ
accepts ICOCA ⓘ accepts PiTaPa ⓘ |
| totalLength | approximately 28 km ⓘ |
| transitType | straddle-beam monorail ⓘ |
| transportMode | rail-based guided transit ⓘ |
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: Osaka Monorail Description of subject: Osaka Monorail is a straddle-beam monorail system in Osaka Prefecture, Japan, serving as a major urban transit line linking key suburbs, commercial areas, and transport hubs.
Referenced by (26)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Osaka Monorail Main Line
this entity surface form:
Osaka Monorail Saito Line
subject surface form:
Osaka International Airport
subject surface form:
Osaka International Airport
this entity surface form:
Osaka Monorail Main Line
this entity surface form:
Osaka Monorail Main Line
this entity surface form:
Osaka Monorail Saito Line
this entity surface form:
Osaka Monorail Main Line
this entity surface form:
Osaka Monorail Main Line
this entity surface form:
Osaka Monorail Saito Line
subject surface form:
Nifrel
this entity surface form:
Hitachi monorail systems
subject surface form:
Hankyu Takarazuka Line
this entity surface form:
Osaka Monorail Main Line
this entity surface form:
Osaka Monorail Saito Line
this entity surface form:
Osaka Monorail Expo '70 Commemorative Park Station