the Alcatraz of the Rockies
E675390
The Alcatraz of the Rockies is the nickname for ADX Florence, the United States’ most secure federal “supermax” prison that houses some of the country’s most dangerous and high-profile inmates.
All labels observed (1)
| Label | Occurrences |
|---|---|
| the Alcatraz of the Rockies canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7595431 — 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: the Alcatraz of the Rockies Context triple: [United States Penitentiary, Florence ADX, alsoKnownAs, the Alcatraz of the Rockies]
-
A.
Snow Mountain Reservation
Snow Mountain Reservation is a Native American reservation in Nevada that serves as one of the primary land bases of the Las Vegas Paiute Tribe.
-
B.
Island in the Sky
Island in the Sky is a high, scenic mesa district in southeastern Utah known for its expansive overlooks and dramatic views of the canyons carved by the Colorado and Green Rivers.
-
C.
Grand Staircase
The Grand Staircase is an ornate central staircase within the Massachusetts State House, known for its impressive architecture and ceremonial significance.
-
D.
Grand Staircase
The Grand Staircase is an ornate, ceremonial staircase within Mirabell Palace in Salzburg, renowned for its elegant baroque design and sculptural decoration.
-
E.
Los Pinos
Los Pinos is the former official residence and offices of the President of Mexico, located in Mexico City’s Bosque de Chapultepec.
- 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: the Alcatraz of the Rockies Target entity description: The Alcatraz of the Rockies is the nickname for ADX Florence, the United States’ most secure federal “supermax” prison that houses some of the country’s most dangerous and high-profile inmates.
-
A.
Snow Mountain Reservation
Snow Mountain Reservation is a Native American reservation in Nevada that serves as one of the primary land bases of the Las Vegas Paiute Tribe.
-
B.
Island in the Sky
Island in the Sky is a high, scenic mesa district in southeastern Utah known for its expansive overlooks and dramatic views of the canyons carved by the Colorado and Green Rivers.
-
C.
Grand Staircase
The Grand Staircase is an ornate central staircase within the Massachusetts State House, known for its impressive architecture and ceremonial significance.
-
D.
Grand Staircase
The Grand Staircase is an ornate, ceremonial staircase within Mirabell Palace in Salzburg, renowned for its elegant baroque design and sculptural decoration.
-
E.
Los Pinos
Los Pinos is the former official residence and offices of the President of Mexico, located in Mexico City’s Bosque de Chapultepec.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
federal prison
ⓘ
nickname ⓘ |
| abbreviation | USP Florence ADMAX NERFINISHED ⓘ |
| alsoKnownAs |
ADMAX Florence
NERFINISHED
ⓘ
Florence ADMAX NERFINISHED ⓘ the Alcatraz of the Rockies NERFINISHED ⓘ |
| cellType | single-occupancy cells ⓘ |
| comparisonTo | Alcatraz Federal Penitentiary NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| designedFor |
high-risk inmates
ⓘ
organized crime figures ⓘ terrorism-related offenders ⓘ violent offenders ⓘ |
| governingBody | Federal Bureau of Prisons NERFINISHED ⓘ |
| hasNickname | the Alcatraz of the Rockies NERFINISHED ⓘ |
| housingPolicy | long-term solitary confinement ⓘ |
| inmateDailyTimeInCell | about 23 hours ⓘ |
| inmateDailyTimeOutsideCell | about 1 hour ⓘ |
| inmateHousing | solitary confinement ⓘ |
| jurisdiction | federal ⓘ |
| locatedIn |
Colorado
ⓘ
Florence, Colorado NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| location | Fremont County, Colorado NERFINISHED ⓘ |
| managedBy | United States Department of Justice NERFINISHED ⓘ |
| namedAfter | nearby city of Florence ⓘ |
| notableCharacteristic |
extreme isolation of inmates
ⓘ
houses some of the most dangerous federal prisoners ⓘ |
| opened | 1994 ⓘ |
| operatedBy | Federal Bureau of Prisons NERFINISHED ⓘ |
| partOf | Federal Correctional Complex, Florence NERFINISHED ⓘ |
| purpose |
incapacitation of high-risk inmates
ⓘ
protection of prison staff and public ⓘ |
| reasonForNickname |
extreme security measures
ⓘ
reputation for inescapability ⓘ |
| refersTo | ADX Florence NERFINISHED ⓘ |
| regionServed | United States federal prison system NERFINISHED ⓘ |
| securityCategory | administrative maximum ⓘ |
| securityFeatures |
armed guard towers
ⓘ
cameras ⓘ extensive electronic surveillance ⓘ motion detectors ⓘ perimeter razor wire fences ⓘ remote-controlled steel doors ⓘ |
| securityLevel | highest security ⓘ |
| typicalCellSize | approximately 7 by 12 feet ⓘ |
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: the Alcatraz of the Rockies Description of subject: The Alcatraz of the Rockies is the nickname for ADX Florence, the United States’ most secure federal “supermax” prison that houses some of the country’s most dangerous and high-profile inmates.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.