Sapsan high-speed trains
E674082
Sapsan high-speed trains are Russian high-speed passenger trains operating primarily between major cities such as Moscow and Saint Petersburg, known for significantly reducing travel times on these routes.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Sapsan high-speed trains canonical | 1 |
| Sapsan trains | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7564681 — 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: Sapsan high-speed trains Context triple: [Moskovsky Rail Terminal, terminusFor, Sapsan high-speed trains]
-
A.
Aeroexpress train
The Aeroexpress train is a dedicated high-speed rail service that connects central Moscow with major airports, including Domodedovo International Airport.
-
B.
Voyager trains
Voyager trains are a family of high-speed diesel-electric multiple unit passenger trains widely used on intercity services in the UK rail network.
-
C.
High Speed Train
The High Speed Train is a British high-speed diesel-powered passenger train, best known for its long-distance intercity services and record-setting performance on the UK rail network.
-
D.
Shinkansen
Shinkansen is Japan’s high-speed bullet train network, renowned for its punctuality, safety, and advanced rail technology.
-
E.
Leonardo Express train
The Leonardo Express train is a dedicated non-stop rail service linking central Rome’s Termini station with Fiumicino Airport, providing a fast and frequent airport transfer for travelers.
- 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: Sapsan high-speed trains Target entity description: Sapsan high-speed trains are Russian high-speed passenger trains operating primarily between major cities such as Moscow and Saint Petersburg, known for significantly reducing travel times on these routes.
-
A.
Aeroexpress train
The Aeroexpress train is a dedicated high-speed rail service that connects central Moscow with major airports, including Domodedovo International Airport.
-
B.
Voyager trains
Voyager trains are a family of high-speed diesel-electric multiple unit passenger trains widely used on intercity services in the UK rail network.
-
C.
High Speed Train
The High Speed Train is a British high-speed diesel-powered passenger train, best known for its long-distance intercity services and record-setting performance on the UK rail network.
-
D.
Shinkansen
Shinkansen is Japan’s high-speed bullet train network, renowned for its punctuality, safety, and advanced rail technology.
-
E.
Leonardo Express train
The Leonardo Express train is a dedicated non-stop rail service linking central Rome’s Termini station with Fiumicino Airport, providing a fast and frequent airport transfer for travelers.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
high-speed passenger train service
ⓘ
rail transport brand ⓘ |
| basedOn | Siemens Velaro platform NERFINISHED ⓘ |
| brakingSystem | regenerative braking ⓘ |
| brandingTheme | speed ⓘ |
| category | high-speed rail in Russia ⓘ |
| climateAdaptation | designed for Russian winter conditions ⓘ |
| country | Russia ⓘ |
| designSpeed | 300 km/h ⓘ |
| electrificationSystem |
25 kV AC
ⓘ
3 kV DC ⓘ |
| introduced | 2009 ⓘ |
| manufacturer | Siemens NERFINISHED ⓘ |
| marketPosition | flagship high-speed service of Russian Railways ⓘ |
| maximumOperatingSpeed | 250 km/h ⓘ |
| nameLanguage | Russian ⓘ |
| nameMeaning | peregrine falcon ⓘ |
| notableFor | reducing travel time between Moscow and Saint Petersburg ⓘ |
| onboardServices |
Wi‑Fi
ⓘ
catering ⓘ power outlets ⓘ |
| operatedBy | RZD NERFINISHED ⓘ |
| operatingCompanyHeadquarters | Moscow NERFINISHED ⓘ |
| operator | Russian Railways NERFINISHED ⓘ |
| ownerOfRollingStock | Russian Railways NERFINISHED ⓘ |
| primaryRoute | Moscow–Saint Petersburg NERFINISHED ⓘ |
| propulsion | electric ⓘ |
| railwayLineUsed | Moscow–Saint Petersburg Railway NERFINISHED ⓘ |
| rollingStockOrigin | Germany NERFINISHED ⓘ |
| route |
Moscow–Chudovo
NERFINISHED
ⓘ
Moscow–Nizhny Novgorod NERFINISHED ⓘ Moscow–Tver NERFINISHED ⓘ Saint Petersburg–Chudovo NERFINISHED ⓘ Saint Petersburg–Tver NERFINISHED ⓘ |
| safetySystem | automatic train protection ⓘ |
| serviceClass |
business class
ⓘ
economy class ⓘ first class ⓘ |
| serviceStart | December 2009 ⓘ |
| serviceType | intercity ⓘ |
| ticketClassBranding |
Sapsan Business
NERFINISHED
ⓘ
Sapsan Economy NERFINISHED ⓘ Sapsan First NERFINISHED ⓘ |
| ticketing | seat reservation required ⓘ |
| trackGauge | 1520 mm ⓘ |
| trainsetConfiguration | multiple unit ⓘ |
| trainType | Siemens Velaro RUS NERFINISHED ⓘ |
| travelTimeMoscowSaintPetersburg | about 3.5–4 hours ⓘ |
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: Sapsan high-speed trains Description of subject: Sapsan high-speed trains are Russian high-speed passenger trains operating primarily between major cities such as Moscow and Saint Petersburg, known for significantly reducing travel times on these routes.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Sapsan trains