MCD-4
E879448
MCD-4 is a line of the Moscow Central Diameters suburban rail system, providing cross-city commuter rail service through Moscow and surrounding areas.
All labels observed (1)
| Label | Occurrences |
|---|---|
| MCD-4 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10640466 — 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: MCD-4 Context triple: [Moscow Central Diameters, hasLine, MCD-4]
-
A.
MCD-3
MCD-3 is one of the lines of the Moscow Central Diameters urban rail system, providing cross-city commuter rail service through Moscow and surrounding areas.
-
B.
MCD-5
MCD-5 is a planned line of the Moscow Central Diameters commuter rail system intended to provide cross-city rail connectivity across Moscow and its surrounding region.
-
C.
MCD D2
MCD D2 is a branded variant or label associated with the D2 product or model line.
-
D.
MCD
MCD is the stock ticker symbol for McDonald’s Corporation, the world’s largest fast-food restaurant chain.
-
E.
MCD
MCD is a system of urban and suburban commuter rail lines in Moscow designed to function like an express metro, connecting the city with its surrounding regions.
- 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: MCD-4 Target entity description: MCD-4 is a line of the Moscow Central Diameters suburban rail system, providing cross-city commuter rail service through Moscow and surrounding areas.
-
A.
MCD-3
MCD-3 is one of the lines of the Moscow Central Diameters urban rail system, providing cross-city commuter rail service through Moscow and surrounding areas.
-
B.
MCD-5
MCD-5 is a planned line of the Moscow Central Diameters commuter rail system intended to provide cross-city rail connectivity across Moscow and its surrounding region.
-
C.
MCD D2
MCD D2 is a branded variant or label associated with the D2 product or model line.
-
D.
MCD
MCD is the stock ticker symbol for McDonald’s Corporation, the world’s largest fast-food restaurant chain.
-
E.
MCD
MCD is the FAA location identifier for Mackinac Island Airport, a small public airport serving Mackinac Island in Michigan, USA.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf | commuter rail line ⓘ |
| connects |
central Moscow
NERFINISHED
ⓘ
suburban areas around Moscow ⓘ |
| country | Russia ⓘ |
| electrification | overhead line electrification ⓘ |
| fareIntegrationWith |
Moscow Central Circle
NERFINISHED
ⓘ
Moscow Metro NERFINISHED ⓘ other Moscow Central Diameters lines ⓘ |
| fareSystem | Moscow public transport fare system ⓘ |
| hasMode | heavy rail ⓘ |
| isPartOfTransportNetwork |
Greater Moscow public transport network
ⓘ
Moscow urban rail network NERFINISHED ⓘ |
| languageOfSignage |
English
ⓘ
Russian ⓘ |
| locatedIn |
Moscow
ⓘ
Moscow Oblast ⓘ |
| networkRole | cross-city rail corridor ⓘ |
| operatesInMetropolitanArea | Moscow metropolitan area NERFINISHED ⓘ |
| operator |
Moscow city transport authorities
NERFINISHED
ⓘ
Russian Railways NERFINISHED ⓘ |
| partOf | Moscow Central Diameters NERFINISHED ⓘ |
| primaryFunction |
commuter transport
ⓘ
suburban connectivity ⓘ |
| railGauge | Russian broad gauge ⓘ |
| regionServed | Central Federal District of Russia NERFINISHED ⓘ |
| serviceType | cross-city commuter rail ⓘ |
| ticketing |
contactless payment compatible
ⓘ
smart card compatible ⓘ |
| transportType | suburban rail ⓘ |
| usesInfrastructureOf | Russian Railways NERFINISHED ⓘ |
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: MCD-4 Description of subject: MCD-4 is a line of the Moscow Central Diameters suburban rail system, providing cross-city commuter rail service through Moscow and surrounding areas.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.