HAD
E517333
HAD is the station code used to identify Hallunda metro station in the Stockholm Metro system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| HAD canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5394591 — 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: HAD Context triple: [Hallunda metro station, hasStationCode, HAD]
-
A.
HAD
HAD is the commonly used abbreviation for the Historical Astronomy Division, a group focused on the study and promotion of the history of astronomy.
-
B.
HAF
HAF is the commonly used abbreviation for the Hellenic Air Force, the air warfare branch of Greece’s armed forces.
-
C.
HAV
HAV is the IATA airport code for José Martí International Airport, the main international gateway serving Havana, Cuba.
-
D.
HAS
HAS is the stock ticker symbol for Hasbro, Inc., a major American toy and entertainment company traded on the NASDAQ.
-
E.
HAJ
HAJ is the three-letter IATA airport code for Hannover Airport in Hanover, Germany.
- 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: HAD Target entity description: HAD is the station code used to identify Hallunda metro station in the Stockholm Metro system.
-
A.
HAD
HAD is the commonly used abbreviation for the Historical Astronomy Division, a group focused on the study and promotion of the history of astronomy.
-
B.
HAF
HAF is the commonly used abbreviation for the Hellenic Air Force, the air warfare branch of Greece’s armed forces.
-
C.
HAV
HAV is the IATA airport code for José Martí International Airport, the main international gateway serving Havana, Cuba.
-
D.
HAS
HAS is the stock ticker symbol for Hasbro, Inc., a major American toy and entertainment company traded on the NASDAQ.
-
E.
HAJ
HAJ is the three-letter IATA airport code for Hannover Airport in Hanover, Germany.
- F. None of above. chosen
Statements (16)
| Predicate | Object |
|---|---|
| instanceOf |
metro station code
ⓘ
transport station identifier ⓘ |
| appliesToLine |
Stockholm Metro red line
ⓘ
linked to:
Red line (Stockholm metro)
|
| associatedWithArea | Hallunda ⓘ |
| city | Stockholm ⓘ |
| codeType | station code ⓘ |
| country | Sweden ⓘ |
| identifies | Hallunda metro station ⓘ |
| locatedInNetwork |
Stockholm public transport system
ⓘ
linked to:
Stockholm public transport network
|
| operator | Storstockholms Lokaltrafik ⓘ |
| partOf | Stockholm Metro station coding system ⓘ |
| transportMode | metro ⓘ |
| usedFor |
passenger information
ⓘ
scheduling ⓘ ticketing and operations ⓘ |
| usedInSystem |
Stockholm Metro
ⓘ
linked to:
Stockholm metro
|
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: HAD Description of subject: HAD is the station code used to identify Hallunda metro station in the Stockholm Metro system.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.