HDL
E895422
HDL is the station code assigned to Hillsdale station, a commuter rail stop in California.
All labels observed (1)
| Label | Occurrences |
|---|---|
| HDL canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T10942421 — 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: HDL Context triple: [Hillsdale station, hasStationCode, HDL]
-
A.
HDX
HDX is an open humanitarian data platform that enables organizations to share, find, and use data for crisis preparedness and response.
-
B.
Ldl
Ldl is the official station code for Leiden Lammenschans railway station in the Netherlands.
-
C.
HDI
The HDI is a composite statistic used by the United Nations to measure and compare countries’ overall human development based on health, education, and standard of living.
-
D.
HCD
HCD is the California state agency responsible for housing policy, affordable housing programs, and community development initiatives.
-
E.
HCD
HCD is the common abbreviation for HC Davos, a professional ice hockey club based in Davos, Switzerland.
- 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: HDL Target entity description: HDL is the station code assigned to Hillsdale station, a commuter rail stop in California.
-
A.
HDX
HDX is an open humanitarian data platform that enables organizations to share, find, and use data for crisis preparedness and response.
-
B.
Ldl
Ldl is the official station code for Leiden Lammenschans railway station in the Netherlands.
-
C.
HDI
The HDI is a composite statistic used by the United Nations to measure and compare countries’ overall human development based on health, education, and standard of living.
-
D.
HCD
HCD is the California state agency responsible for housing policy, affordable housing programs, and community development initiatives.
-
E.
HCD
HCD is the common abbreviation for HC Davos, a professional ice hockey club based in Davos, Switzerland.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail service
ⓘ
commuter rail station ⓘ railway station code ⓘ |
| fareZone | 2 ⓘ |
| hasAccessibility | yes ⓘ |
| hasBicycleFacilities | yes ⓘ |
| hasParking | yes ⓘ |
| hasPlatforms | 2 side platforms ⓘ |
| hasStationCode | HDL ⓘ |
| hasStructureType | elevated ⓘ |
| hasStyle | Caltrain ⓘ |
| hasTracks | 2 ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
San Mateo County, California ⓘ San Mateo, California ⓘ United States ⓘ
linked to:
United States of America
|
| opened | 1996 ⓘ |
| operatesIn |
San Francisco Peninsula
ⓘ
Santa Clara Valley ⓘ |
| ownedBy | Caltrain ⓘ |
| partOfLine |
Caltrain line
ⓘ
linked to:
Caltrain
|
| rebuilt | 2021 ⓘ |
| servedBy | Caltrain ⓘ |
| serves |
Hillsdale Shopping Center
ⓘ
San Mateo, California commuters ⓘ |
| stationCodeFor | Hillsdale station ⓘ |
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: HDL Description of subject: HDL is the station code assigned to Hillsdale station, a commuter rail stop in California.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.