Piriform
E357628
Piriform is a software company best known for creating the PC optimization tool CCleaner and related system utility applications.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Piriform canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3420314 — 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: Piriform Context triple: [CCleaner Browser, developer, Piriform]
-
A.
Philortyx
Philortyx is a genus of New World quails known for their ground-dwelling habits and occurrence in scrub and grassland habitats of the Americas.
-
B.
Piipaash
Piipaash are a Native American people of the lower Colorado River region, closely related to the Maricopa and known for their distinct language and cultural traditions.
-
C.
Sapiston
Sapiston is a small rural village located in the English county of Suffolk.
-
D.
Potiskum
Potiskum is a major commercial and population center in northeastern Nigeria, known especially for its bustling markets and strategic location in Yobe State.
-
E.
Nuska
Nuska is a Mesopotamian god of fire and light, often serving as a divine vizier and attendant to major deities in the Sumerian and Akkadian pantheons.
- 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: Piriform Target entity description: Piriform is a software company best known for creating the PC optimization tool CCleaner and related system utility applications.
-
A.
Philortyx
Philortyx is a genus of New World quails known for their ground-dwelling habits and occurrence in scrub and grassland habitats of the Americas.
-
B.
Piipaash
Piipaash are a Native American people of the lower Colorado River region, closely related to the Maricopa and known for their distinct language and cultural traditions.
-
C.
Sapiston
Sapiston is a small rural village located in the English county of Suffolk.
-
D.
Potiskum
Potiskum is a major commercial and population center in northeastern Nigeria, known especially for its bustling markets and strategic location in Yobe State.
-
E.
Nuska
Nuska is a Mesopotamian god of fire and light, often serving as a divine vizier and attendant to major deities in the Sumerian and Akkadian pantheons.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf |
private company
ⓘ
software company ⓘ |
| acquiredBy |
Avast
ⓘ
linked to:
Avast Software s.r.o.
|
| brand |
CCleaner
ⓘ
CCleaner Cloud ⓘ
linked to:
CCleaner
CCleaner Professional ⓘ
linked to:
CCleaner
|
| businessModel | freemium software ⓘ |
| country | United Kingdom ⓘ |
| focus |
PC performance optimization
ⓘ
disk cleanup ⓘ privacy protection tools ⓘ |
| headquartersLocation |
London
ⓘ
linked to:
London, England
|
| industry | software ⓘ |
| knownFor |
CCleaner
ⓘ
registry cleaning software ⓘ system optimization tools ⓘ |
| notableWork | CCleaner ⓘ |
| operatingSystem |
Android
ⓘ
Microsoft Windows ⓘ
linked to:
Windows
macOS ⓘ |
| parentOrganization |
Avast
ⓘ
linked to:
Avast Software s.r.o.
|
| product |
CCleaner
ⓘ
Defraggler ⓘ Recuva ⓘ Speccy ⓘ |
| productType |
PC optimization software
ⓘ
system utility software ⓘ |
| softwareGenre |
system maintenance software
ⓘ
utility software ⓘ |
| targetPlatform | personal computer ⓘ |
| targetUser |
home users
ⓘ
small businesses ⓘ |
| website | https://www.ccleaner.com/ ⓘ |
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: Piriform Description of subject: Piriform is a software company best known for creating the PC optimization tool CCleaner and related system utility applications.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.