Sōbu Line Rapid

E195954

commuter rail service railway service

The Sōbu Line Rapid is a Japanese railway service operated by JR East that provides fast commuter and intercity connections between central Tokyo and eastern Chiba Prefecture.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (5)

Label	Occurrences
Sobu Line (Rapid)	2
Sōbu Line Local	2
Sōbu Line (Rapid)	1
Sōbu Line Rapid canonical	1
Sōbu Rapid Line	1

How this entity was disambiguated

This entity first appeared as the object of triple T1592359 — 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: Sōbu Line Rapid
Context triple: [Tokyo Station, serves, Sōbu Line Rapid]

A. Yotsubashi Line
The Yotsubashi Line is a rapid transit line in Osaka, Japan, forming part of the Osaka Metro network and serving key north–south corridors through the city.
B. Tobu Skytree Line
The Tobu Skytree Line is a major private railway line in the Tokyo area operated by Tobu Railway, serving central Tokyo and extending northward toward Saitama and Tochigi, including access to the Tokyo Skytree.
C. JR Saikyo Line
The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
D. 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.
E. Tobu Isesaki Line
The Tobu Isesaki Line is a major private railway line in the Greater Tokyo area operated by Tobu Railway, connecting central Tokyo with Saitama and Gunma Prefectures.
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: Sōbu Line Rapid
Target entity description: The Sōbu Line Rapid is a Japanese railway service operated by JR East that provides fast commuter and intercity connections between central Tokyo and eastern Chiba Prefecture.

A. Yotsubashi Line
The Yotsubashi Line is a rapid transit line in Osaka, Japan, forming part of the Osaka Metro network and serving key north–south corridors through the city.
B. Tobu Skytree Line
The Tobu Skytree Line is a major private railway line in the Tokyo area operated by Tobu Railway, serving central Tokyo and extending northward toward Saitama and Tochigi, including access to the Tokyo Skytree.
C. JR Saikyo Line
The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
D. 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.
E. Tobu Isesaki Line
The Tobu Isesaki Line is a major private railway line in the Greater Tokyo area operated by Tobu Railway, connecting central Tokyo with Saitama and Gunma Prefectures.
F. None of above. chosen

Statements (47)

Predicate	Object
instanceOf	commuter rail service ⓘ railway service ⓘ
connects	central Tokyo ⓘ eastern Chiba Prefecture ⓘ
country	Japan ⓘ
electrification	1500 V DC overhead catenary ⓘ
endStation	Chiba Station NERFINISHED ⓘ Kujūkuri area (via connecting services) ⓘ Narutō Station ⓘ Tōgane Station NERFINISHED ⓘ
fareSystem	JR East fare system ⓘ
hasSection	underground section between Tokyo and Kinshichō ⓘ
hasService	through services to Narita Line ⓘ through services to Sotobō Line ⓘ through services to Uchibō Line ⓘ through services to Yokosuka Line ⓘ
hasServicePattern	all-stations within Chiba area and rapid in Tokyo area ⓘ
lineColor	yellow ⓘ
lineSymbol	JB ⓘ
locale	Tokyo metropolitan area ⓘ surface form: Greater Tokyo Area
locatedIn	Chiba Prefecture NERFINISHED ⓘ Tokyo ⓘ
openedAsRapidService	1960s ⓘ
operator	East Japan Railway Company ⓘ East Japan Railway Company ⓘ surface form: JR East
owner	East Japan Railway Company ⓘ
parallelTo	Sōbu Line Rapid self-linksurface differs ⓘ surface form: Sōbu Line Local
partOfNetwork	JR East urban network ⓘ surface form: JR East urban rail network
peakUsage	commuter rush hours ⓘ
primaryFunction	fast commuter connections ⓘ intercity connections ⓘ
regionServed	Chiba ⓘ surface form: Chiba City Funabashi ⓘ Ichikawa ⓘ Narashino NERFINISHED ⓘ
rollingStock	E217 series ⓘ E235 series EMU ⓘ surface form: E235 series 1000 subseries
servicePattern	rapid service ⓘ
serviceType	commuter service ⓘ intercity service ⓘ
sharesTracksWith	Yokosuka Line between Tokyo and Shinagawa ⓘ
startStation	Tokyo Station NERFINISHED ⓘ
stopsAtFewerStationsThan	Sōbu Line Rapid self-linksurface differs ⓘ surface form: Sōbu Line Local
trackGauge	1067 mm ⓘ Cape gauge ⓘ
usesLine	Sōbu Main Line NERFINISHED ⓘ Yokosuka Line NERFINISHED ⓘ

How these facts were elicited

Referenced by (7)

Full triples — surface form annotated when it differs from this entity's canonical label.

Tokyo Station → serves → Sōbu Line Rapid ⓘ

E231 series EMU → usedOnLine → Sōbu Line Rapid ⓘ

this entity surface form: Sōbu Rapid Line

E235 series EMU → usedOnLine → Sōbu Line Rapid ⓘ

this entity surface form: Sobu Line (Rapid)

Yokosuka Line → connectsWith → Sōbu Line Rapid ⓘ

this entity surface form: Sōbu Line (Rapid)

Sōbu Line Rapid → parallelTo → Sōbu Line Rapid self-linksurface differs ⓘ

this entity surface form: Sōbu Line Local

Sōbu Line Rapid → stopsAtFewerStationsThan → Sōbu Line Rapid self-linksurface differs ⓘ