NHV
E570858
NHV is the Amtrak station code for New Haven Union Station, a major passenger rail hub in New Haven, Connecticut.
All labels observed (1)
| Label | Occurrences |
|---|---|
| NHV canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6140942 — 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: NHV Context triple: [New Haven Union Station, hasStationCode, NHV]
-
A.
NH
NH is the two-letter IATA airline designator assigned to All Nippon Airways, Japan’s largest airline.
-
B.
NH
NH is the official two-letter United States Postal Service abbreviation for the state of New Hampshire.
-
C.
MHV
MHV is the IATA airport code for Mojave Air and Space Port, a well-known aerospace testing and flight facility in Mojave, California.
-
D.
KHV
KHV is the IATA airport code for Khabarovsk Novy Airport, a major air transport hub serving the city of Khabarovsk in Russia’s Far East.
-
E.
NV
NV is the official two-letter United States Postal Service abbreviation for the state of Nevada.
- 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: NHV Target entity description: NHV is the Amtrak station code for New Haven Union Station, a major passenger rail hub in New Haven, Connecticut.
-
A.
NH
NH is the two-letter IATA airline designator assigned to All Nippon Airways, Japan’s largest airline.
-
B.
NH
NH is the official two-letter United States Postal Service abbreviation for the state of New Hampshire.
-
C.
MHV
MHV is the IATA airport code for Mojave Air and Space Port, a well-known aerospace testing and flight facility in Mojave, California.
-
D.
KHV
KHV is the IATA airport code for Khabarovsk Novy Airport, a major air transport hub serving the city of Khabarovsk in Russia’s Far East.
-
E.
NV
NV is the official two-letter United States Postal Service abbreviation for the state of Nevada.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf |
Amtrak station code
ⓘ
railway station code ⓘ |
| appearsOn |
Amtrak route maps
ⓘ
Amtrak station signage ⓘ Amtrak timetables ⓘ |
| associatedWithRailCorridor | Northeast Corridor NERFINISHED ⓘ |
| associatedWithRailService |
Amtrak Acela
NERFINISHED
ⓘ
Amtrak Hartford Line services NERFINISHED ⓘ Amtrak Northeast Regional NERFINISHED ⓘ Amtrak Valley Flyer NERFINISHED ⓘ Amtrak Vermonter NERFINISHED ⓘ |
| codeType | three-letter station code ⓘ |
| connectsToBusServicesAt | New Haven Union Station NERFINISHED ⓘ |
| connectsToCommuterRailAt | New Haven Union Station NERFINISHED ⓘ |
| connectsToLocalTransitAt | New Haven Union Station NERFINISHED ⓘ |
| fareSystemContext | Amtrak national network NERFINISHED ⓘ |
| identifiesFacility | New Haven Union Station platforms ⓘ |
| locatedInCity | New Haven NERFINISHED ⓘ |
| locatedInCountry |
United States of America
ⓘ
surface form:
United States
|
| locatedInState | Connecticut NERFINISHED ⓘ |
| operator | Amtrak ⓘ |
| primaryMode | intercity passenger rail ⓘ |
| railHubFor | New Haven Union Station NERFINISHED ⓘ |
| servesCity | New Haven, Connecticut NERFINISHED ⓘ |
| servesMetropolitanArea | New Haven metropolitan area NERFINISHED ⓘ |
| servesRegion |
New England
NERFINISHED
ⓘ
Southern Connecticut NERFINISHED ⓘ |
| stationCodeFor | New Haven Union Station NERFINISHED ⓘ |
| ticketingUsage |
online booking identifier
ⓘ
printed ticket code ⓘ reservation system identifier ⓘ |
| timeZone | Eastern Time Zone ⓘ |
| usedBy | Amtrak 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: NHV Description of subject: NHV is the Amtrak station code for New Haven Union Station, a major passenger rail hub in New Haven, Connecticut.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.