Baltimore & Ohio Railroad Co. v. United States
E923228
Baltimore & Ohio Railroad Co. v. United States is a notable U.S. Supreme Court decision from the White Court era involving federal regulation of railroads and interstate commerce.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Baltimore & Ohio Railroad Co. v. United States canonical | 1 |
| Baltimore & Ohio Railroad v. United States | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11393083 — 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: Baltimore & Ohio Railroad Co. v. United States Context triple: [White Court, significantCase, Baltimore & Ohio Railroad Co. v. United States]
-
A.
Erie Railroad Co. v. Tompkins
Erie Railroad Co. v. Tompkins is a landmark 1938 U.S. Supreme Court decision that ended the practice of federal general common law and required federal courts in diversity cases to apply state substantive law.
-
B.
National Railroad Passenger Corp. v. Morgan
National Railroad Passenger Corp. v. Morgan is a 2002 U.S. Supreme Court decision that clarified the time limits for filing employment discrimination claims, distinguishing between discrete acts and continuing violations under Title VII.
-
C.
Chicago, Burlington & Quincy Railroad Co. v. Chicago
Chicago, Burlington & Quincy Railroad Co. v. Chicago is an 1897 U.S. Supreme Court case that marked a key step in applying federal constitutional protections—particularly just compensation for takings—to the states through the Fourteenth Amendment.
-
D.
Railway Express Agency v. New York
Railway Express Agency v. New York is a 1949 U.S. Supreme Court decision that upheld a New York City traffic regulation restricting advertising on vehicles against an Equal Protection Clause challenge.
-
E.
Brushaber v. Union Pacific Railroad Co.
Brushaber v. Union Pacific Railroad Co. is a 1916 U.S. Supreme Court case that upheld the federal income tax and clarified the scope and constitutionality of the Sixteenth Amendment.
- 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: Baltimore & Ohio Railroad Co. v. United States Target entity description: Baltimore & Ohio Railroad Co. v. United States is a notable U.S. Supreme Court decision from the White Court era involving federal regulation of railroads and interstate commerce.
-
A.
Erie Railroad Co. v. Tompkins
Erie Railroad Co. v. Tompkins is a landmark 1938 U.S. Supreme Court decision that ended the practice of federal general common law and required federal courts in diversity cases to apply state substantive law.
-
B.
National Railroad Passenger Corp. v. Morgan
National Railroad Passenger Corp. v. Morgan is a 2002 U.S. Supreme Court decision that clarified the time limits for filing employment discrimination claims, distinguishing between discrete acts and continuing violations under Title VII.
-
C.
Chicago, Burlington & Quincy Railroad Co. v. Chicago
Chicago, Burlington & Quincy Railroad Co. v. Chicago is an 1897 U.S. Supreme Court case that marked a key step in applying federal constitutional protections—particularly just compensation for takings—to the states through the Fourteenth Amendment.
-
D.
Railway Express Agency v. New York
Railway Express Agency v. New York is a 1949 U.S. Supreme Court decision that upheld a New York City traffic regulation restricting advertising on vehicles against an Equal Protection Clause challenge.
-
E.
Brushaber v. Union Pacific Railroad Co.
Brushaber v. Union Pacific Railroad Co. is a 1916 U.S. Supreme Court case that upheld the federal income tax and clarified the scope and constitutionality of the Sixteenth Amendment.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
U.S. Supreme Court case
ⓘ
federal court decision ⓘ legal case ⓘ |
| areaOfLaw |
federal regulation of railroads
ⓘ
interstate commerce ⓘ |
| bindingOn |
lower federal courts in the United States
ⓘ
state courts on questions of federal law ⓘ |
| branchOfGovernment | judicial branch of the United States NERFINISHED ⓘ |
| citationStatus | good law ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| court | Supreme Court of the United States ⓘ |
| decisionType | majority opinion ⓘ |
| era | White Court NERFINISHED ⓘ |
| involves |
Interstate Commerce Clause of the U.S. Constitution
NERFINISHED
ⓘ
federal regulatory power over common carriers ⓘ railroad rates and practices ⓘ |
| jurisdiction | United States federal law NERFINISHED ⓘ |
| languageOfRecord | English ⓘ |
| legalSubject |
commerce power of Congress
ⓘ
railroad regulation ⓘ |
| levelOfCourt | court of last resort ⓘ |
| party |
Baltimore & Ohio Railroad Company
NERFINISHED
ⓘ
United States NERFINISHED ⓘ |
| precedentialValue | binding precedent in federal courts ⓘ |
| subjectMatter | regulation of interstate railroad operations ⓘ |
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: Baltimore & Ohio Railroad Co. v. United States Description of subject: Baltimore & Ohio Railroad Co. v. United States is a notable U.S. Supreme Court decision from the White Court era involving federal regulation of railroads and interstate commerce.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
United States Supreme Court cases of the White Court
→
hasNotableCase
→
Baltimore & Ohio Railroad Co. v. United States
ⓘ
this entity surface form:
Baltimore & Ohio Railroad v. United States