Odakyu 1000 series EMU
E868629
The Odakyu 1000 series EMU is a Japanese electric multiple unit train type operated by Odakyu Electric Railway for commuter services in the Tokyo area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Odakyu 1000 series EMU canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T10521473 — 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: Odakyu 1000 series EMU Context triple: [Odakyu Odawara Line, rollingStockUsed, Odakyu 1000 series EMU]
-
A.
Toei 6500 series EMU
The Toei 6500 series EMU is a modern Japanese electric multiple unit train operated by the Tokyo Metropolitan Bureau of Transportation, designed for through-services on Tokyo subway and interconnecting commuter lines.
-
B.
Toei 6300 series EMU
The Toei 6300 series EMU is a Japanese electric multiple unit train type operated by the Tokyo Metropolitan Bureau of Transportation, primarily used on through-services connecting the Toei Mita Line with other suburban lines.
-
C.
Odakyu 4000 series
The Odakyu 4000 series is a Japanese electric multiple unit commuter train type operated by Odakyu Electric Railway, designed for through-services with Tokyo Metro and known for its modern, energy-efficient features.
-
D.
Keio 1000 series EMU
The Keio 1000 series EMU is a Japanese electric multiple unit train operated by Keio Corporation, known for serving Tokyo’s Inokashira Line with modern, colorful commuter rolling stock.
-
E.
Keisei AE series EMU
The Keisei AE series EMU is a high-speed electric multiple unit train operated by Keisei Electric Railway in Japan, primarily used for the premium airport express service between central Tokyo and Narita Airport.
- 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: Odakyu 1000 series EMU Target entity description: The Odakyu 1000 series EMU is a Japanese electric multiple unit train type operated by Odakyu Electric Railway for commuter services in the Tokyo area.
-
A.
Toei 6500 series EMU
The Toei 6500 series EMU is a modern Japanese electric multiple unit train operated by the Tokyo Metropolitan Bureau of Transportation, designed for through-services on Tokyo subway and interconnecting commuter lines.
-
B.
Toei 6300 series EMU
The Toei 6300 series EMU is a Japanese electric multiple unit train type operated by the Tokyo Metropolitan Bureau of Transportation, primarily used on through-services connecting the Toei Mita Line with other suburban lines.
-
C.
Odakyu 4000 series
The Odakyu 4000 series is a Japanese electric multiple unit commuter train type operated by Odakyu Electric Railway, designed for through-services with Tokyo Metro and known for its modern, energy-efficient features.
-
D.
Keio 1000 series EMU
The Keio 1000 series EMU is a Japanese electric multiple unit train operated by Keio Corporation, known for serving Tokyo’s Inokashira Line with modern, colorful commuter rolling stock.
-
E.
Keisei AE series EMU
The Keisei AE series EMU is a high-speed electric multiple unit train operated by Keisei Electric Railway in Japan, primarily used for the premium airport express service between central Tokyo and Narita Airport.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
commuter train
ⓘ
electric multiple unit ⓘ |
| brakeType |
electro-pneumatic brake
ⓘ
regenerative brake ⓘ |
| carBodyMaterial | stainless steel ⓘ |
| carLength | 20 m class ⓘ |
| category | Japanese commuter electric multiple unit ⓘ |
| controlMethod |
VVVF inverter control (later sets)
ⓘ
chopper control (early sets) ⓘ |
| country | Japan ⓘ |
| couplingType | Shibata-type coupler ⓘ |
| doorConfiguration | 4 pairs per side per car ⓘ |
| doorCountPerSide | 4 ⓘ |
| doorType | sliding doors ⓘ |
| electrificationSystem | 1,500 V DC overhead catenary ⓘ |
| formation |
10-car sets
ⓘ
4-car sets ⓘ 6-car sets ⓘ 8-car sets ⓘ |
| hasCab | one cab at each end car ⓘ |
| introduced | 1987 ⓘ |
| lineUsedOn |
Odakyu Chiyoda Line through services
ⓘ
Odakyu Odawara Line ⓘ Odakyu Tama Line ⓘ |
| livery | Odakyu standard white and blue ⓘ |
| manufacturer |
Hitachi
ⓘ
Nippon Sharyo ⓘ Tokyu Car Corporation ⓘ Toshiba ⓘ |
| multipleWorking |
Odakyu 3000 series
ⓘ
linked to:
Odakyu 3000 series EMU
Odakyu 4000 series ⓘ Odakyu 8000 series ⓘ |
| operator |
Hakone Tozan Railway (inter-running)
ⓘ
linked to:
Hakone Tozan Railway
JR East (inter-running) ⓘ
linked to:
East Japan Railway Company
Odakyu Electric Railway ⓘ Tokyo Metro (inter-running) ⓘ
linked to:
Tokyo Metro
|
| operatorClass | 1000 series ⓘ |
| operatorCode | Odakyu ⓘ |
| owner | Odakyu Electric Railway ⓘ |
| powerCollectionMethod | pantograph ⓘ |
| powerSupply | overhead line ⓘ |
| primaryUse | commuter services ⓘ |
| region |
Kanto region
ⓘ
linked to:
Kantō region
|
| serviceArea |
Tokyo area
ⓘ
linked to:
Tokyo metropolitan area
|
| serviceStatus | in service ⓘ |
| serviceType |
all-stations local
ⓘ
rapid services ⓘ |
| trackGauge | 1,067 mm ⓘ |
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: Odakyu 1000 series EMU Description of subject: The Odakyu 1000 series EMU is a Japanese electric multiple unit train type operated by Odakyu Electric Railway for commuter services in the Tokyo area.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.