OPA
E31161
OPA is a U.S. federal law enacted in 1990 that strengthens regulations and liability standards for preventing and responding to oil spills in navigable waters and shorelines.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T241108 — 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: OPA Context triple: [Oil Pollution Act of 1990, shortName, OPA]
-
A.
EOP
EOP is the collective group of offices and agencies that directly support the President of the United States in carrying out executive responsibilities and policy initiatives.
-
B.
Ap
Ap is the commonly used abbreviation for the Norwegian Labour Party, a major social-democratic political party in Norway.
-
C.
OM
OM is the post-nominal abbreviation used by members of the Order of Merit, a prestigious British honor recognizing distinguished service in the armed forces, science, art, literature, or the promotion of culture.
-
D.
Pan
Pan is the rustic Greek god of shepherds, flocks, and wild nature, often depicted with goat-like features and associated with music and untamed wilderness.
-
E.
OC
OC is the post-nominal designation for Officer of the Order of Canada, one of the country’s highest civilian honors recognizing outstanding achievement and service.
- 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: OPA Target entity description: OPA is a U.S. federal law enacted in 1990 that strengthens regulations and liability standards for preventing and responding to oil spills in navigable waters and shorelines.
-
A.
EOP
EOP is the collective group of offices and agencies that directly support the President of the United States in carrying out executive responsibilities and policy initiatives.
-
B.
Ap
Ap is the commonly used abbreviation for the Norwegian Labour Party, a major social-democratic political party in Norway.
-
C.
OM
OM is the post-nominal abbreviation used by members of the Order of Merit, a prestigious British honor recognizing distinguished service in the armed forces, science, art, literature, or the promotion of culture.
-
D.
Pan
Pan is the rustic Greek god of shepherds, flocks, and wild nature, often depicted with goat-like features and associated with music and untamed wilderness.
-
E.
OC
OC is the post-nominal designation for Officer of the Order of Canada, one of the country’s highest civilian honors recognizing outstanding achievement and service.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | United States federal law ⓘ |
| administeredBy |
United States Department of the Interior
ⓘ
surface form:
Department of the Interior
National Oceanic and Atmospheric Administration ⓘ United States Coast Guard ⓘ United States Environmental Protection Agency ⓘ |
| amends | Clean Water Act ⓘ |
| appliesTo |
U.S. shorelines
ⓘ
exclusive economic zone of the United States ⓘ navigable waters of the United States ⓘ |
| codifiedIn | Title 33 of the United States Code ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| coversDamageType |
costs of oil spill removal
ⓘ
loss of profits and earning capacity due to oil spills ⓘ natural resource damages ⓘ property damage from oil spills ⓘ |
| creates | national planning and response system for oil spills ⓘ |
| enactedAfterEvent | Exxon Valdez oil spill ⓘ |
| enactedInYear | 1990 ⓘ |
| establishes |
Oil Spill Liability Trust Fund
ⓘ
financial responsibility requirements for oil facilities and vessels ⓘ liability standards for oil spills ⓘ |
| focusesOn |
oil pollution liability and compensation
ⓘ
oil spill contingency planning ⓘ |
| fundedBy | taxes on oil ⓘ |
| imposesLiabilityOn | responsible parties for oil spills ⓘ |
| jurisdiction |
United States government
ⓘ
surface form:
United States federal government
|
| legalArea |
environmental law
ⓘ
maritime law ⓘ |
| primaryPurpose |
improve oil spill response
ⓘ
prevent oil spills ⓘ strengthen liability for oil pollution damages ⓘ |
| protects |
coastal ecosystems
ⓘ
marine environment ⓘ |
| regulates |
oil spill prevention
ⓘ
oil spill response ⓘ |
| relatedTo | National Contingency Plan ⓘ |
| requires |
area contingency plans for oil spill response
ⓘ
facility response plans ⓘ vessel response plans ⓘ |
| sectionSubject |
double hull requirements for certain tank vessels
ⓘ
financial responsibility for offshore facilities ⓘ natural resource damage assessment procedures ⓘ |
| shortName |
OPA
self-linksurface differs
ⓘ
OPA self-linksurface differs ⓘ
surface form:
OPA 90
|
| strengthens |
coordination between federal, state, and local agencies in oil spill response
ⓘ
federal authority to direct oil spill response ⓘ |
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: OPA Description of subject: OPA is a U.S. federal law enacted in 1990 that strengthens regulations and liability standards for preventing and responding to oil spills in navigable waters and shorelines.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Oil Pollution Act of 1990