PSA
E510693
The PSA is a landmark U.S. federal law enacted in 1921 to regulate fair competition and trade practices in the livestock, meatpacking, and poultry industries.
All labels observed (1)
| Label | Occurrences |
|---|---|
| PSA canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T5308589 — 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: PSA Context triple: [Packers and Stockyards Act of 1921, alsoKnownAs, PSA]
-
A.
PSS
PSS is the French and Italian abbreviation for the Social Democratic Party of Switzerland, a major center-left political party advocating social justice and welfare policies.
-
B.
PSB
PSB is a high-energy particle accelerator at CERN that boosts protons from the Proton Synchrotron Injector Complex to higher energies for use in subsequent accelerators and experiments.
-
C.
PSI
PSI is a major Swiss research institute specializing in natural and engineering sciences, particularly known for its large-scale facilities in particle physics, materials science, and energy research.
-
D.
PSI
PSI is the acronym commonly used for the Italian Socialist Party, a historic socialist political party in Italy.
-
E.
PSE
PSE is a major European political party alliance that brings together socialist, social democratic, and labor parties from across the European Union.
- 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: PSA Target entity description: The PSA is a landmark U.S. federal law enacted in 1921 to regulate fair competition and trade practices in the livestock, meatpacking, and poultry industries.
-
A.
PSS
PSS is the French and Italian abbreviation for the Social Democratic Party of Switzerland, a major center-left political party advocating social justice and welfare policies.
-
B.
PSB
PSB is a high-energy particle accelerator at CERN that boosts protons from the Proton Synchrotron Injector Complex to higher energies for use in subsequent accelerators and experiments.
-
C.
PSI
PSI is a major Swiss research institute specializing in natural and engineering sciences, particularly known for its large-scale facilities in particle physics, materials science, and energy research.
-
D.
PSI
PSI is the acronym commonly used for the Italian Socialist Party, a historic socialist political party in Italy.
-
E.
PSE
PSE is a major European political party alliance that brings together socialist, social democratic, and labor parties from across the European Union.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf | United States federal law ⓘ |
| administeredBy |
USDA Agricultural Marketing Service
ⓘ
linked to:
Agricultural Marketing Service
United States Department of Agriculture ⓘ |
| aimsToProtect |
consumers
ⓘ
livestock producers ⓘ poultry growers ⓘ |
| alsoKnownAs | PSA ⓘ |
| codifiedAt | 7 U.S.C. §§ 181–229c ⓘ |
| containsProvision |
Section 202 prohibiting unfair, unjustly discriminatory, or deceptive practices
ⓘ
Section 203 authorizing cease and desist orders ⓘ Section 204 providing for judicial enforcement of orders ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| enactedBy | United States Congress ⓘ |
| enactedInYear | 1921 ⓘ |
| enforcementMechanism |
USDA investigations and administrative proceedings
ⓘ
civil penalties and cease and desist orders ⓘ referral to the U.S. Department of Justice for prosecution ⓘ |
| expandedCoverageTo |
poultry integrators and live poultry dealers
ⓘ
swine production contract arrangements ⓘ |
| focusesOn | fair competition and trade practices in livestock, meatpacking, and poultry industries ⓘ |
| hasBeenAmended | multiple times to expand coverage to poultry and swine production contracts ⓘ |
| historicalContext | enacted in response to concerns about the market power of the Big Five meatpackers ⓘ |
| jurisdiction | interstate and foreign commerce in livestock and poultry ⓘ |
| legalArea |
agricultural law
ⓘ
competition law ⓘ consumer protection law ⓘ |
| originalAdministeringAgency | USDA Grain Inspection, Packers and Stockyards Administration ⓘ |
| primaryPurpose |
prevent unfair, deceptive, and anti-competitive practices in livestock and meat markets
ⓘ
regulate fair competition in the livestock, meatpacking, and poultry industries ⓘ |
| prohibits |
manipulation or control of prices in livestock markets
ⓘ
monopolization or attempts to monopolize livestock trade ⓘ undue or unreasonable preferences or advantages in livestock marketing ⓘ unfair trade practices in livestock marketing ⓘ unjustly discriminatory practices by packers and stockyards ⓘ |
| regulatesActivity |
meatpacking business practices
ⓘ
poultry dealer practices ⓘ stockyard operations ⓘ |
| regulatesIndustry |
livestock industry
ⓘ
meatpacking industry ⓘ poultry industry ⓘ |
| relatedTo |
Capper–Volstead Act
ⓘ
Clayton Antitrust Act ⓘ
linked to:
Clayton Antitrust Act of 1914
Sherman Antitrust Act ⓘ |
| requires |
accurate weighing and accounting for livestock transactions
ⓘ
bonding of market agencies and dealers ⓘ registration of stockyards with the USDA ⓘ |
| sector | agriculture ⓘ |
| shortName | PSA ⓘ |
| signedBy | Warren G. Harding ⓘ |
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: PSA Description of subject: The PSA is a landmark U.S. federal law enacted in 1921 to regulate fair competition and trade practices in the livestock, meatpacking, and poultry industries.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
PSA