UltraSPARC II
E343842
UltraSPARC II is a 64-bit RISC microprocessor from Sun Microsystems’ UltraSPARC line, widely used in mid- to late-1990s Sun servers and workstations for enterprise and technical computing.
All labels observed (1)
| Label | Occurrences |
|---|---|
| UltraSPARC II canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T3245280 — 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: UltraSPARC II Context triple: [UltraSPARC servers, processorFamily, UltraSPARC II]
-
A.
UltraSPARC I
UltraSPARC I is a 64-bit RISC microprocessor from Sun Microsystems’ UltraSPARC family, used in early UltraSPARC-based servers and workstations in the mid-1990s.
-
B.
UltraSPARC servers
UltraSPARC servers are high-performance, RISC-based server systems developed by Sun Microsystems, built around the UltraSPARC processor architecture for enterprise and technical computing workloads.
-
C.
SPARCstation
SPARCstation is a family of UNIX workstations developed by Sun Microsystems in the late 1980s and 1990s, based on the SPARC RISC architecture and widely used in engineering and academic environments.
-
D.
Itanium
Itanium is a 64-bit server processor architecture developed by Intel (with early collaboration from HP) that was designed for high-end enterprise and technical computing but ultimately saw limited adoption and was discontinued.
-
E.
Fujitsu SPARC servers
Fujitsu SPARC servers are enterprise-grade computer systems built around SPARC RISC processors, designed for high reliability, scalability, and performance in mission-critical workloads.
- 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: UltraSPARC II Target entity description: UltraSPARC II is a 64-bit RISC microprocessor from Sun Microsystems’ UltraSPARC line, widely used in mid- to late-1990s Sun servers and workstations for enterprise and technical computing.
-
A.
UltraSPARC I
UltraSPARC I is a 64-bit RISC microprocessor from Sun Microsystems’ UltraSPARC family, used in early UltraSPARC-based servers and workstations in the mid-1990s.
-
B.
UltraSPARC servers
UltraSPARC servers are high-performance, RISC-based server systems developed by Sun Microsystems, built around the UltraSPARC processor architecture for enterprise and technical computing workloads.
-
C.
SPARCstation
SPARCstation is a family of UNIX workstations developed by Sun Microsystems in the late 1980s and 1990s, based on the SPARC RISC architecture and widely used in engineering and academic environments.
-
D.
Itanium
Itanium is a 64-bit server processor architecture developed by Intel (with early collaboration from HP) that was designed for high-end enterprise and technical computing but ultimately saw limited adoption and was discontinued.
-
E.
Fujitsu SPARC servers
Fujitsu SPARC servers are enterprise-grade computer systems built around SPARC RISC processors, designed for high reliability, scalability, and performance in mission-critical workloads.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
64-bit RISC microprocessor
ⓘ
UltraSPARC family processor ⓘ microprocessor ⓘ |
| architecture | SPARC V9 ⓘ |
| belongsToSeries | UltraSPARC line ⓘ |
| bitWidth | 64-bit ⓘ |
| cacheType |
on-chip data cache
ⓘ
on-chip instruction cache ⓘ |
| category | high-performance microprocessor ⓘ |
| commercialStatus | discontinued ⓘ |
| companyCountry |
United States of America
ⓘ
surface form:
United States
|
| compatibleWith |
SPARC V9
ⓘ
surface form:
SPARC V9 software
|
| designedFor | Sun Microsystems systems ⓘ |
| designer | Sun Microsystems ⓘ |
| executionModel | in-order execution ⓘ |
| family | UltraSPARC ⓘ |
| floatingPointUnit | integrated FPU ⓘ |
| instructionSetArchitecture |
SPARC microprocessor architecture
ⓘ
surface form:
SPARC
|
| intendedUse |
servers
ⓘ
workstations ⓘ |
| lineage | SPARC architecture line ⓘ |
| manufacturer | Sun Microsystems ⓘ |
| marketSegment |
enterprise servers
ⓘ
technical workstations ⓘ |
| microarchitectureType | RISC ⓘ |
| notablePeriodOfUse |
late-1990s
ⓘ
mid-1990s ⓘ |
| pipelineType | superscalar ⓘ |
| predecessor | UltraSPARC I ⓘ |
| successor | UltraSPARC III ⓘ |
| supports |
64-bit integer operations
ⓘ
64-bit virtual addressing ⓘ IEEE 754 floating‑point arithmetic standard ⓘ
surface form:
IEEE 754 floating-point
|
| technologyGeneration | 1990s ⓘ |
| typicalApplicationDomain |
enterprise computing
ⓘ
technical computing ⓘ |
| usedFor |
UNIX servers
ⓘ
enterprise databases ⓘ scientific computing workloads ⓘ technical visualization ⓘ |
| usedIn |
Sun Enterprise servers
ⓘ
Sun workstations ⓘ
surface form:
Sun Ultra workstations
|
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: UltraSPARC II Description of subject: UltraSPARC II is a 64-bit RISC microprocessor from Sun Microsystems’ UltraSPARC line, widely used in mid- to late-1990s Sun servers and workstations for enterprise and technical computing.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.