MD
E822535
MD is the official two-letter United States Postal Service abbreviation used to designate the state of Maryland.
All labels observed (2)
| Label | Occurrences |
|---|---|
| MD canonical | 2 |
| MD (state-level) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9824735 — 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: MD Context triple: [Maryland, postalAbbreviation, MD]
-
A.
MD
MD is the station code used to identify Maitland railway station in New South Wales, Australia.
-
B.
MD
MD is a postgraduate medical degree focused on advanced clinical training and specialization for physicians.
-
C.
MD
MD is the vehicle registration code used on license plates for the Austrian district of Mödling.
-
D.
MA
MA is the vehicle registration code used on license plates for the German city of Mannheim.
-
E.
MA
MA is the stock ticker symbol for Mastercard Incorporated, a leading global payments and financial services company.
- 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: MD Target entity description: MD is the official two-letter United States Postal Service abbreviation used to designate the state of Maryland.
-
A.
MD
MD is the station code used to identify Maitland railway station in New South Wales, Australia.
-
B.
MD
MD is a postgraduate medical degree focused on advanced clinical training and specialization for physicians.
-
C.
MD
MD is the vehicle registration code used on license plates for the Austrian district of Mödling.
-
D.
MA
MA is the stock ticker symbol for Mastercard Incorporated, a leading global payments and financial services company.
-
E.
MA
MA is the vehicle registration code used on license plates for the German city of Mannheim.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
U.S. state
ⓘ
United States Postal Service state abbreviation ⓘ |
| appliesTo |
Maryland
NERFINISHED
ⓘ
U.S. state ⓘ |
| borders |
Delaware
NERFINISHED
ⓘ
District of Columbia NERFINISHED ⓘ Pennsylvania NERFINISHED ⓘ Virginia NERFINISHED ⓘ West Virginia NERFINISHED ⓘ |
| category | U.S. state and territory postal abbreviations ⓘ |
| codeType | two-letter code ⓘ |
| country |
United States of America
ⓘ
United States of America ⓘ |
| hasAreaCode |
240
ⓘ
301 ⓘ 410 ⓘ 443 ⓘ 667 ⓘ |
| hasBird | Baltimore oriole NERFINISHED ⓘ |
| hasCapital | Annapolis NERFINISHED ⓘ |
| hasDemonym | Marylander ⓘ |
| hasFirstLetter | M ⓘ |
| hasFlower | Black-eyed Susan NERFINISHED ⓘ |
| hasISO3166-2Code | US-MD NERFINISHED ⓘ |
| hasLargestCity | Baltimore NERFINISHED ⓘ |
| hasMotto | Fatti maschii, parole femine NERFINISHED ⓘ |
| hasNickname |
Free State
NERFINISHED
ⓘ
Old Line State NERFINISHED ⓘ |
| hasOfficialLanguageDeJure | none ⓘ |
| hasPostalAbbreviation | MD NERFINISHED ⓘ |
| hasPostalCodeRange | 20601–21930 ⓘ |
| hasSecondLetter | D ⓘ |
| hasTree | White oak ⓘ |
| introducedBy | United States Postal Service NERFINISHED ⓘ |
| isOfficial | true ⓘ |
| joinedUnionOn | 1788-04-28 ⓘ |
| language | English ⓘ |
| locatedInRegion |
Mid-Atlantic United States
NERFINISHED
ⓘ
Southern United States NERFINISHED ⓘ |
| locatedInTimeZone | Eastern Time Zone ⓘ |
| orderOfAdmissionToUnion | 7 ⓘ |
| refersTo | Maryland NERFINISHED ⓘ |
| regionCodeFor | Maryland NERFINISHED ⓘ |
| standardizedIn | United States postal addressing system ⓘ |
| usedBy | United States Postal Service NERFINISHED ⓘ |
| usedIn |
ZIP Code system
ⓘ
mailing addresses ⓘ |
| usedSince | 20th century ⓘ |
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: MD Description of subject: MD is the official two-letter United States Postal Service abbreviation used to designate the state of Maryland.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Maryland
this entity surface form:
MD (state-level)