High Sierra Format
E459008
High Sierra Format is an early CD-ROM file system standard that served as the basis for the later ISO 9660 (ECMA-119) specification.
All labels observed (1)
| Label | Occurrences |
|---|---|
| High Sierra Format canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4617327 — 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: High Sierra Format Context triple: [ECMA-119, relatedStandard, High Sierra Format]
-
A.
High Sierra
High Sierra is a rugged, high-elevation region of the Sierra Nevada in California, renowned for its dramatic granite peaks, alpine meadows, and extensive wilderness.
-
B.
Big Six
Big Six was the informal name for the Athletic Association of Western Universities, a former NCAA athletic conference composed primarily of major universities on the West Coast of the United States.
-
C.
Big Six
Big Six was the nickname of Christy Mathewson, a legendary early 20th-century Major League Baseball pitcher and Hall of Famer known for his dominance with the New York Giants.
-
D.
High Sierra Trail
The High Sierra Trail is a renowned long-distance hiking route in California’s Sierra Nevada that traverses dramatic alpine terrain from the western side of the range to Mount Whitney.
-
E.
Silver Peak
Silver Peak is a small historic mining town in Nevada known for its lithium production and remote desert setting.
- 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: High Sierra Format Target entity description: High Sierra Format is an early CD-ROM file system standard that served as the basis for the later ISO 9660 (ECMA-119) specification.
-
A.
High Sierra
High Sierra is a rugged, high-elevation region of the Sierra Nevada in California, renowned for its dramatic granite peaks, alpine meadows, and extensive wilderness.
-
B.
Big Six
Big Six was the informal name for the Athletic Association of Western Universities, a former NCAA athletic conference composed primarily of major universities on the West Coast of the United States.
-
C.
Big Six
Big Six was the nickname of Christy Mathewson, a legendary early 20th-century Major League Baseball pitcher and Hall of Famer known for his dominance with the New York Giants.
-
D.
High Sierra Trail
The High Sierra Trail is a renowned long-distance hiking route in California’s Sierra Nevada that traverses dramatic alpine terrain from the western side of the range to Mount Whitney.
-
E.
Silver Peak
Silver Peak is a small historic mining town in Nevada known for its lithium production and remote desert setting.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
CD-ROM file system standard
ⓘ
optical disc file system ⓘ |
| basedOn |
Yellow Book CD-ROM specification
ⓘ
linked to:
ISO 9660
|
| basisFor |
ECMA-119
ⓘ
ISO 9660 ⓘ |
| blockSize | logical block size of 2048 bytes ⓘ |
| characterEncoding | ASCII ⓘ |
| compatibility |
MS-DOS
ⓘ
early Macintosh systems ⓘ early UNIX systems ⓘ |
| dataAccessMode | sequential sectors on optical media ⓘ |
| dataStructure |
directory records
ⓘ
path tables ⓘ volume descriptors ⓘ |
| designedFor | cross-platform interchange of CD-ROM data ⓘ |
| developedFor | CD-ROM media ⓘ |
| directoryDepthLimit | limited directory nesting ⓘ |
| fileNameCharacterSet |
digits 0–9
ⓘ
underscore ⓘ upper-case letters A–Z ⓘ |
| fileNameLengthLimit |
8.3 filename structure
ⓘ
maximum 3 characters for extension ⓘ maximum 8 characters for name ⓘ |
| fileSystemSemantics |
case-insensitive file names
ⓘ
no file ownership metadata ⓘ no file permissions model ⓘ |
| fileSystemType | read-only file system ⓘ |
| goal | vendor-neutral CD-ROM file system ⓘ |
| historicalRole | prototype for standardized CD-ROM file systems ⓘ |
| influenced | interoperability requirements of ISO 9660 ⓘ |
| limitations |
limited directory depth
ⓘ
no support for long file names ⓘ restricted character set for file names ⓘ |
| metadataSupport |
file flags (e.g., directory, hidden)
ⓘ
file size ⓘ recording date and time ⓘ |
| sectorSize | 2048 bytes ⓘ |
| standardizedAs |
ECMA-119 precursor
ⓘ
ISO 9660 precursor ⓘ |
| status | obsolete ⓘ |
| storageMedium | compact disc ⓘ |
| supersededBy |
ECMA-119
ⓘ
ISO 9660 ⓘ |
| supports |
directory hierarchy
ⓘ
file storage on CD-ROM ⓘ |
| usedIn | early CD-ROM titles in the late 1980s ⓘ |
| uses | volume descriptor at fixed logical block ⓘ |
| volumeDescriptorLocation | logical block 16 ⓘ |
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: High Sierra Format Description of subject: High Sierra Format is an early CD-ROM file system standard that served as the basis for the later ISO 9660 (ECMA-119) specification.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.