MDR
E825356
MDR is the Amtrak station code for Madera station in Madera, California, used for passenger rail ticketing and scheduling.
All labels observed (1)
| Label | Occurrences |
|---|---|
| MDR canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9842069 — 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: MDR Context triple: [Madera Amtrak station, hasStationCode, MDR]
-
A.
MDR
MDR is the European Union’s comprehensive regulatory framework governing the safety, performance, and market approval of medical devices.
-
B.
MDRX
MDRX is the stock ticker symbol for Allscripts, a healthcare information technology company known for its electronic health record and practice management solutions.
-
C.
MDE
MDE is the state agency in Maryland responsible for protecting and restoring the environment and public health through regulation, monitoring, and enforcement of environmental laws.
-
D.
MDC
MDC is a Zimbabwean opposition political party known as the Movement for Democratic Change, which has played a major role in challenging the long-standing rule of ZANU–PF.
-
E.
MDAR
MDAR is the Massachusetts state agency responsible for promoting agriculture, supporting farmers, and overseeing agricultural policy, food safety, and related environmental resources.
- 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: MDR Target entity description: MDR is the Amtrak station code for Madera station in Madera, California, used for passenger rail ticketing and scheduling.
-
A.
MDR
MDR is the European Union’s comprehensive regulatory framework governing the safety, performance, and market approval of medical devices.
-
B.
MDRX
MDRX is the stock ticker symbol for Allscripts, a healthcare information technology company known for its electronic health record and practice management solutions.
-
C.
MDE
MDE is the state agency in Maryland responsible for protecting and restoring the environment and public health through regulation, monitoring, and enforcement of environmental laws.
-
D.
MDC
MDC is a Zimbabwean opposition political party known as the Movement for Democratic Change, which has played a major role in challenging the long-standing rule of ZANU–PF.
-
E.
MDAR
MDAR is the Massachusetts state agency responsible for promoting agriculture, supporting farmers, and overseeing agricultural policy, food safety, and related environmental resources.
- F. None of above. chosen
Statements (16)
| Predicate | Object |
|---|---|
| instanceOf | Amtrak station code ⓘ |
| appliesToServiceType | intercity passenger rail ⓘ |
| codeType | railway station code ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| hasStationName | Madera station ⓘ |
| identifies | Amtrak station in Madera, California ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
Madera, California ⓘ United States ⓘ
linked to:
United States of America
|
| operator | Amtrak ⓘ |
| represents | Madera station ⓘ |
| usedBySystem |
Amtrak reservation system
ⓘ
Amtrak scheduling system ⓘ Amtrak ticketing system ⓘ
linked to:
Amtrak reservation system
|
| usedFor |
passenger rail scheduling
ⓘ
passenger rail ticketing ⓘ |
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: MDR Description of subject: MDR is the Amtrak station code for Madera station in Madera, California, used for passenger rail ticketing and scheduling.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.