HSAS
E650435
Homeland Security Advisory System
United States federal government program
terrorism threat advisory system
HSAS is the acronym for the Homeland Security Advisory System, a former color-coded alert system used by the U.S. Department of Homeland Security to communicate terrorism threat levels to the public and government agencies.
All labels observed (1)
| Label | Occurrences |
|---|---|
| HSAS canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7231697 — 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: HSAS Context triple: [Homeland Security Advisory System, abbreviation, HSAS]
-
A.
HSAS
HSAS was a short-lived early-1980s hard rock supergroup featuring Sammy Hagar, Neal Schon, Kenny Aaronson, and Michael Shrieve.
-
B.
HSRA
HSRA was a revolutionary Indian organization active during the struggle for independence, known for its militant opposition to British colonial rule.
-
C.
HSW
HSW is a major Polish industrial company best known for manufacturing heavy machinery, steel products, and military equipment.
-
D.
HASS
HASS is the humanities, arts, and social sciences division of Rensselaer Polytechnic Institute, offering interdisciplinary programs that complement the university’s science and engineering strengths.
-
E.
SHASS
SHASS is the abbreviated name commonly used for the School of Humanities, Arts, and Social Sciences at academic institutions.
- 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: HSAS Target entity description: HSAS is the acronym for the Homeland Security Advisory System, a former color-coded alert system used by the U.S. Department of Homeland Security to communicate terrorism threat levels to the public and government agencies.
-
A.
HSAS
HSAS was a short-lived early-1980s hard rock supergroup featuring Sammy Hagar, Neal Schon, Kenny Aaronson, and Michael Shrieve.
-
B.
HSRA
HSRA was a revolutionary Indian organization active during the struggle for independence, known for its militant opposition to British colonial rule.
-
C.
HSW
HSW is a major Polish industrial company best known for manufacturing heavy machinery, steel products, and military equipment.
-
D.
HASS
HASS is the humanities, arts, and social sciences division of Rensselaer Polytechnic Institute, offering interdisciplinary programs that complement the university’s science and engineering strengths.
-
E.
SHASS
SHASS is the abbreviated name commonly used for the School of Humanities, Arts, and Social Sciences at academic institutions.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
Homeland Security Advisory System
ⓘ
United States federal government program ⓘ terrorism threat advisory system ⓘ |
| acronymFor | Homeland Security Advisory System ⓘ |
| administeredBy | United States Department of Homeland Security ⓘ |
| appliesTo |
federal government agencies
ⓘ
general public ⓘ local government agencies ⓘ private sector organizations ⓘ state government agencies ⓘ |
| colorMeaning |
Blue indicates general risk of terrorist attacks
ⓘ
Green indicates low risk of terrorist attacks ⓘ Orange indicates high risk of terrorist attacks ⓘ Red indicates severe risk of terrorist attacks ⓘ Yellow indicates significant risk of terrorist attacks ⓘ |
| communicationChannel |
government press releases
ⓘ
media announcements ⓘ official government websites ⓘ |
| communicationMethod | color-coded alert levels ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| createdInResponseTo | September 11 attacks ⓘ |
| criticizedFor |
being too vague
ⓘ
lack of specific actionable guidance ⓘ potentially causing public confusion ⓘ remaining at elevated levels for long periods ⓘ |
| endDate | 2011-04-26 ⓘ |
| feature | five color-coded threat levels ⓘ |
| fullName | Homeland Security Advisory System ⓘ |
| introducedBy |
George W. Bush administration
ⓘ
linked to:
Bush administration
United States federal government ⓘ
linked to:
United States government
|
| jurisdiction | United States homeland security ⓘ |
| legalBasis | Homeland Security Presidential Directive-3 ⓘ |
| operatedBy | United States Department of Homeland Security ⓘ |
| purpose |
to communicate terrorism threat levels
ⓘ
to inform government agencies about terrorism threats ⓘ to inform the public about terrorism threats ⓘ |
| relatedTo |
National Terrorism Advisory System
ⓘ
United States Department of Homeland Security ⓘ |
| replacedBy | National Terrorism Advisory System ⓘ |
| sectorSpecificAdjustments | allowed different threat levels for different sectors ⓘ |
| startDate | 2002-03-12 ⓘ |
| status |
discontinued
ⓘ
replaced ⓘ |
| threatLevel |
Blue
ⓘ
Green ⓘ Orange ⓘ Red ⓘ Yellow ⓘ |
| usedDuring |
Iraq War period
ⓘ
post-9/11 era ⓘ |
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: HSAS Description of subject: HSAS is the acronym for the Homeland Security Advisory System, a former color-coded alert system used by the U.S. Department of Homeland Security to communicate terrorism threat levels to the public and government agencies.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.