DoubleSpace
E701340
DoubleSpace is a disk compression utility originally developed by Microsoft for DOS to increase effective hard drive storage capacity.
All labels observed (3)
| Label | Occurrences |
|---|---|
| DBLSPACE | 1 |
| DBLSPACE.EXE | 1 |
| DoubleSpace canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7895230 — 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: DoubleSpace Context triple: [DriveSpace 3, predecessor, DoubleSpace]
-
A.
DeLuxe Color
DeLuxe Color is a color motion picture film process and brand used by Deluxe Laboratories as an alternative to Eastmancolor for producing color prints for movies.
-
B.
Diskit
Diskit is a remote village in India’s Ladakh region, known for its ancient Diskit Monastery and dramatic views over the Nubra Valley.
-
C.
MS-DOS Executive
MS-DOS Executive is the simple file management and program-launching shell that served as the primary user interface in early versions of Microsoft Windows, notably Windows 1.0.
-
D.
Eazel
Eazel was a short-lived software company best known for developing the Nautilus file manager and attempting to simplify the Linux desktop experience around 2000–2001.
-
E.
Avamar
Avamar is EMC Corporation’s enterprise data backup and recovery software solution known for its source-based data deduplication technology.
- 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: DoubleSpace Target entity description: DoubleSpace is a disk compression utility originally developed by Microsoft for DOS to increase effective hard drive storage capacity.
-
A.
DeLuxe Color
DeLuxe Color is a color motion picture film process and brand used by Deluxe Laboratories as an alternative to Eastmancolor for producing color prints for movies.
-
B.
Diskit
Diskit is a remote village in India’s Ladakh region, known for its ancient Diskit Monastery and dramatic views over the Nubra Valley.
-
C.
MS-DOS Executive
MS-DOS Executive is the simple file management and program-launching shell that served as the primary user interface in early versions of Microsoft Windows, notably Windows 1.0.
-
D.
Eazel
Eazel was a short-lived software company best known for developing the Nautilus file manager and attempting to simplify the Linux desktop experience around 2000–2001.
-
E.
Avamar
Avamar is EMC Corporation’s enterprise data backup and recovery software solution known for its source-based data deduplication technology.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
MS-DOS component
ⓘ
disk compression utility ⓘ |
| abbreviation |
DBLSPACE
ⓘ
linked to:
DoubleSpace
|
| architecture | x86 ⓘ |
| componentOf |
MS-DOS 6.x
ⓘ
linked to:
MS-DOS
|
| compressionScope | entire DOS partition ⓘ |
| compressionType | real-time ⓘ |
| controversy | patent infringement lawsuit by Stac Electronics ⓘ |
| developer | Microsoft ⓘ |
| distributionModel | bundled with MS-DOS ⓘ |
| feature | transparent compression of logical drives ⓘ |
| fileSystemIntegration | block-level compression layer ⓘ |
| function |
on-the-fly disk compression
ⓘ
on-the-fly disk decompression ⓘ |
| historicalSignificance | early mainstream PC disk compression solution ⓘ |
| implementedAs | device driver ⓘ |
| includedCommand |
DBLSPACE.EXE
ⓘ
linked to:
DoubleSpace
|
| includedUtility | DBLSPACE.BIN ⓘ |
| introducedInVersion |
MS-DOS 6.0
ⓘ
linked to:
MS-DOS
|
| legalIssueWith | Stac Electronics ⓘ |
| mountsAs | compressed volume file ⓘ |
| operatingSystem | MS-DOS ⓘ |
| platform | IBM PC compatible ⓘ |
| purpose | increase effective hard drive storage capacity ⓘ |
| relatedTo | Stacker ⓘ |
| releaseYear | 1993 ⓘ |
| replacedBy |
DriveSpace
ⓘ
linked to:
DriveSpace 3
|
| risk | data loss on corruption ⓘ |
| status | discontinued ⓘ |
| storageMedium | hard disk drive ⓘ |
| succeededBy |
DriveSpace
ⓘ
linked to:
DriveSpace 3
|
| userInterface | command-line utility ⓘ |
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: DoubleSpace Description of subject: DoubleSpace is a disk compression utility originally developed by Microsoft for DOS to increase effective hard drive storage capacity.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: DoubleSpace
linked to: DoubleSpace