BD+
E215063
BD+ is an additional digital rights management and content protection system used on Blu-ray Discs to prevent unauthorized copying and tampering.
All labels observed (1)
| Label | Occurrences |
|---|---|
| BD+ canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1934705 — 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: BD+ Context triple: [Blu-ray Disc, supportsCopyProtection, BD+]
-
A.
.bd
.bd is the country code top-level domain (ccTLD) assigned to Bangladesh for use in internet addresses.
-
B.
BdM
BdM is the central bank of Mexico, responsible for maintaining the country’s monetary stability and issuing its currency.
-
C.
BNDD
BNDD is the acronym for the former U.S. Bureau of Narcotics and Dangerous Drugs, a federal agency responsible for enforcing drug control laws before its functions were absorbed into the Drug Enforcement Administration (DEA).
-
D.
BY
BY is the two-letter ISO 3166-1 alpha-2 country code assigned to Belarus.
-
E.
BY
BY is the IATA airline designator assigned to TUI Airways, a major UK-based leisure airline.
- 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: BD+ Target entity description: BD+ is an additional digital rights management and content protection system used on Blu-ray Discs to prevent unauthorized copying and tampering.
-
A.
.bd
.bd is the country code top-level domain (ccTLD) assigned to Bangladesh for use in internet addresses.
-
B.
BdM
BdM is the central bank of Mexico, responsible for maintaining the country’s monetary stability and issuing its currency.
-
C.
BNDD
BNDD is the acronym for the former U.S. Bureau of Narcotics and Dangerous Drugs, a federal agency responsible for enforcing drug control laws before its functions were absorbed into the Drug Enforcement Administration (DEA).
-
D.
BY
BY is the two-letter ISO 3166-1 alpha-2 country code assigned to Belarus.
-
E.
BY
BY is the IATA airline designator assigned to TUI Airways, a major UK-based leisure airline.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
content protection system
ⓘ
digital rights management system ⓘ |
| allows |
dynamic security updates
ⓘ
revocation of compromised players ⓘ |
| basedOn | self-protecting digital content technology ⓘ |
| canBeUpdatedBy | new disc content ⓘ |
| category |
Blu-ray Disc format
ⓘ
surface form:
Blu-ray Disc technology
DRM for optical media ⓘ copy protection ⓘ |
| designedFor |
preventing tampering
ⓘ
preventing unauthorized copying ⓘ |
| executes | content code embedded on disc ⓘ |
| goal |
increase resistance to reverse engineering
ⓘ
increase resistance to ripping ⓘ |
| implementedAs | virtual machine on Blu-ray players ⓘ |
| introducedBy | Cryptography Research, Inc. ⓘ |
| partOf |
Blu-ray Disc format
ⓘ
surface form:
Blu-ray Disc security architecture
|
| region | global ⓘ |
| standardizedIn |
Blu-ray Disc format
ⓘ
surface form:
Blu-ray Disc specifications
|
| supports |
per-disc security customization
ⓘ
title-specific security policies ⓘ |
| targetMedium |
commercial movie releases
ⓘ
high-definition video ⓘ |
| usedFor |
on-the-fly content decryption
ⓘ
on-the-fly content repair ⓘ player integrity verification ⓘ |
| usedOn |
Blu-ray Disc format
ⓘ
surface form:
Blu-ray Disc
|
| worksAlongside |
Blu-ray Disc format
ⓘ
surface form:
AACS
Blu-ray Disc format ⓘ
surface form:
BD-ROM Mark
|
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: BD+ Description of subject: BD+ is an additional digital rights management and content protection system used on Blu-ray Discs to prevent unauthorized copying and tampering.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Blu-ray Disc