CD
E700518
A CD is a digital optical disc format commonly used for storing and playing back audio recordings and other data.
All labels observed (2)
| Label | Occurrences |
|---|---|
| CD canonical | 3 |
| Compact Disc | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7902142 — 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: CD Context triple: [Enchantment, mediaFormat, CD]
-
A.
CD
CD is the common abbreviation for the Chunichi Dragons, a professional baseball team based in Nagoya, Japan.
-
B.
CD
CD is the commonly used abbreviation for the Conference on Disarmament, the primary multilateral disarmament negotiating forum of the international community.
-
C.
CD
CD is a Canadian honorific suffix indicating that the holder has been awarded the Canadian Forces Decoration for long and meritorious military service.
-
D.
Cd
Cd is an abbreviation used for a series of British government Command Papers published in the early 20th century.
-
E.
Vinyl
"Vinyl" is an American television drama series set in the 1970s music industry, co-created by Martin Scorsese and Mick Jagger, in which Ray Romano plays a key supporting role.
- 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: CD Target entity description: A CD is a digital optical disc format commonly used for storing and playing back audio recordings and other data.
-
A.
CD
CD is the commonly used abbreviation for the Conference on Disarmament, the primary multilateral disarmament negotiating forum of the international community.
-
B.
CD
CD is a Canadian honorific suffix indicating that the holder has been awarded the Canadian Forces Decoration for long and meritorious military service.
-
C.
CD
CD is the common abbreviation for the Chunichi Dragons, a professional baseball team based in Nagoya, Japan.
-
D.
Cd
Cd is an abbreviation used for a series of British government Command Papers published in the early 20th century.
-
E.
Vinyl
"Vinyl" is an American television drama series set in the 1970s music industry, co-created by Martin Scorsese and Mick Jagger, in which Ray Romano plays a key supporting role.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
digital storage medium
ⓘ
optical disc format ⓘ |
| abbreviation | CD ⓘ |
| alternativeDiameter | 80 mm ⓘ |
| audioBitDepth | 16-bit ⓘ |
| audioCapacity |
approximately 74 minutes
ⓘ
approximately 80 minutes ⓘ |
| audioChannels | stereo ⓘ |
| audioEncodingFormat |
PCM
ⓘ
linked to:
G.711
|
| audioSamplingRate | 44.1 kHz ⓘ |
| audioStandard | Red Book ⓘ |
| category |
consumer electronics
ⓘ
data storage technology ⓘ |
| dataAccessMethod | optical ⓘ |
| dataEncoding | pits and lands ⓘ |
| dataLayerLocation | beneath polycarbonate substrate ⓘ |
| dataProtectionFeature |
CIRC
ⓘ
error correction coding ⓘ |
| dataStandard | Yellow Book ⓘ |
| encodingType | digital ⓘ |
| fileSystemStandard | ISO 9660 ⓘ |
| introducedAsReplacementFor |
audio cassette
ⓘ
vinyl records ⓘ |
| introducedInYear | 1982 ⓘ |
| material | polycarbonate plastic ⓘ |
| playbackDevice |
CD player
ⓘ
computer optical drive ⓘ |
| readingMethod | laser ⓘ |
| reflectiveLayerMaterial | aluminum ⓘ |
| sectorSize | 2352 bytes ⓘ |
| shape | circular ⓘ |
| standardizedBy |
Philips
ⓘ
linked to:
Philips N.V.
Sony ⓘ |
| storageCapacity | approximately 700 MB ⓘ |
| successor |
Blu-ray Disc
ⓘ
linked to:
Blu-ray Disc format
DVD ⓘ |
| typicalDiameter | 120 mm ⓘ |
| use |
audio storage
ⓘ
data storage ⓘ music distribution ⓘ software distribution ⓘ |
| variant |
CD-R
ⓘ
CD-ROM ⓘ CD-RW ⓘ Photo CD ⓘ
linked to:
CD-ROM
Super Video CD ⓘ Video CD ⓘ |
| wavelengthOfReadingLaser | 780 nm ⓘ |
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: CD Description of subject: A CD is a digital optical disc format commonly used for storing and playing back audio recordings and other data.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.