RKV (MARC)
E670974
RKV (MARC) is the station code used by the Maryland Area Regional Commuter (MARC) train service for Rockville station in Rockville, Maryland.
All labels observed (1)
| Label | Occurrences |
|---|---|
| RKV (MARC) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7535142 — 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: RKV (MARC) Context triple: [Rockville station, hasStationCode, RKV (MARC)]
-
A.
RKV
RKV is the IATA airport code for Reykjavík Airport, the main domestic and regional airport serving Iceland’s capital city.
-
B.
RKA
RKA is the Russian Space Agency that managed Russia’s human spaceflight activities, including operations of the Mir space station.
-
C.
RKC
RKC is the commonly used abbreviation for the Revised Kyoto Convention, an international agreement that standardizes and simplifies customs procedures worldwide.
-
D.
RKR
RKR is the vehicle registration code assigned to vehicles registered in the Rymanów area of Poland.
-
E.
MARC
MARC is a regional planning and coordination agency serving the Kansas City metropolitan area, focusing on transportation, emergency services, environmental planning, and community development.
- 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: RKV (MARC) Target entity description: RKV (MARC) is the station code used by the Maryland Area Regional Commuter (MARC) train service for Rockville station in Rockville, Maryland.
-
A.
RKV
RKV is the IATA airport code for Reykjavík Airport, the main domestic and regional airport serving Iceland’s capital city.
-
B.
RKA
RKA is the Russian Space Agency that managed Russia’s human spaceflight activities, including operations of the Mir space station.
-
C.
RKC
RKC is the commonly used abbreviation for the Revised Kyoto Convention, an international agreement that standardizes and simplifies customs procedures worldwide.
-
D.
RKR
RKR is the vehicle registration code assigned to vehicles registered in the Rymanów area of Poland.
-
E.
MARC
MARC is a commuter rail service in Maryland that connects Washington, D.C. with Baltimore and other regional destinations.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf |
MARC station code
ⓘ
railway station code ⓘ |
| appliesToStation | Rockville station ⓘ |
| codeSystem | MARC internal station code system ⓘ |
| codeType | station code ⓘ |
| fareSystem | MARC fare system ⓘ |
| hasCodeString | RKV ⓘ |
| locatedInCity | Rockville, Maryland ⓘ |
| locatedInCountry |
United States
ⓘ
linked to:
United States of America
|
| locatedInCounty |
Montgomery County, Maryland
ⓘ
linked to:
Montgomery County
|
| locatedInState | Maryland ⓘ |
| namedAfter |
Rockville
ⓘ
linked to:
Rockville, Maryland
|
| railOperator |
MARC Train Service
ⓘ
linked to:
MARC Train
Maryland Area Regional Commuter ⓘ |
| transportMode | commuter rail ⓘ |
| usedByService |
Maryland Area Regional Commuter trains
ⓘ
linked to:
MARC commuter rail
|
| usedForLine | MARC Brunswick Line ⓘ |
| usedInOperations | yes ⓘ |
| usedInTicketing | yes ⓘ |
| usedInTimetables | yes ⓘ |
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: RKV (MARC) Description of subject: RKV (MARC) is the station code used by the Maryland Area Regional Commuter (MARC) train service for Rockville station in Rockville, Maryland.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.