Tsurumi Line
E692645
The Tsurumi Line is a short commuter rail line in Kanagawa Prefecture, Japan, primarily serving industrial and port areas along Tokyo Bay and operated by East Japan Railway Company (JR East).
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tsurumi Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5935537 — 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: Tsurumi Line Context triple: [JR East urban network, hasLine, Tsurumi Line]
-
A.
Tanagawa Line
The Tanagawa Line is a short commuter railway line in Osaka Prefecture, Japan, operated by Nankai Electric Railway and serving local passengers near the coastal area.
-
B.
Imazatosuji Line
The Imazatosuji Line is a rapid transit line in Osaka, Japan, operated by Osaka Metro and serving as one of the city’s main north–south subway corridors.
-
C.
Gakkentoshi Line
The Gakkentoshi Line is a commuter rail line in the Osaka–Kyoto region of Japan operated by JR West, connecting urban centers with suburban and residential areas.
-
D.
Karasuma Line
The Karasuma Line is a major Kyoto Municipal Subway line running north–south through Kyoto, connecting key districts and transportation hubs including Kyoto Station.
-
E.
Saikyō Line
The Saikyō Line is a major JR East railway line in the Tokyo metropolitan area that connects central Tokyo with Saitama Prefecture, serving as a key commuter route.
- 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: Tsurumi Line Target entity description: The Tsurumi Line is a short commuter rail line in Kanagawa Prefecture, Japan, primarily serving industrial and port areas along Tokyo Bay and operated by East Japan Railway Company (JR East).
-
A.
Tanagawa Line
The Tanagawa Line is a short commuter railway line in Osaka Prefecture, Japan, operated by Nankai Electric Railway and serving local passengers near the coastal area.
-
B.
Imazatosuji Line
The Imazatosuji Line is a rapid transit line in Osaka, Japan, operated by Osaka Metro and serving as one of the city’s main north–south subway corridors.
-
C.
Gakkentoshi Line
The Gakkentoshi Line is a commuter rail line in the Osaka–Kyoto region of Japan operated by JR West, connecting urban centers with suburban and residential areas.
-
D.
Karasuma Line
The Karasuma Line is a major Kyoto Municipal Subway line running north–south through Kyoto, connecting key districts and transportation hubs including Kyoto Station.
-
E.
Saikyō Line
The Saikyō Line is a major JR East railway line in the Tokyo metropolitan area that connects central Tokyo with Saitama Prefecture, serving as a key commuter route.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail line
ⓘ
railway line in Japan ⓘ |
| country | Japan ⓘ |
| electrification | 1500 V DC overhead catenary ⓘ |
| electrifiedSince | 1930s ⓘ |
| formerOperator | Japanese National Railways NERFINISHED ⓘ |
| gauge | 1067 mm ⓘ |
| hasBranchLine |
Okawa Branch
NERFINISHED
ⓘ
Umi-Shibaura Branch NERFINISHED ⓘ |
| hasDepot | Tsurumi Line rolling stock depot ⓘ |
| locatedIn |
Japan
ⓘ
Kanagawa Prefecture NERFINISHED ⓘ |
| locatedInMetropolitanArea | Greater Tokyo Area NERFINISHED ⓘ |
| openedForFreight | 1926 ⓘ |
| openedForPassengers | 1930s ⓘ |
| operator |
East Japan Railway Company
NERFINISHED
ⓘ
JR East NERFINISHED ⓘ |
| owner | East Japan Railway Company NERFINISHED ⓘ |
| ownerBeforeJNR | private industrial railway company ⓘ |
| primaryUse |
access to port facilities
ⓘ
commuter transport for factory workers ⓘ |
| regionServed | Keihin industrial area NERFINISHED ⓘ |
| rollingStock | 205 series EMU NERFINISHED ⓘ |
| safetySystem | ATS (Automatic Train Stop) NERFINISHED ⓘ |
| serves |
industrial areas along Tokyo Bay
ⓘ
port areas along Tokyo Bay ⓘ |
| servicePattern | all-stations (local) trains only ⓘ |
| serviceType | commuter rail ⓘ |
| terminus | Tsurumi Station NERFINISHED ⓘ |
| trackConfiguration | single track ⓘ |
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: Tsurumi Line Description of subject: The Tsurumi Line is a short commuter rail line in Kanagawa Prefecture, Japan, primarily serving industrial and port areas along Tokyo Bay and operated by East Japan Railway Company (JR East).
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.