ITU-T X.690 series
E846384
The ITU-T X.690 series is a set of international standards that define encoding rules for ASN.1 data structures, including BER, CER, and DER.
All labels observed (1)
| Label | Occurrences |
|---|---|
| ITU-T X.690 series canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10168014 — 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: ITU-T X.690 series Context triple: [ITU-T X.680 series, relatedTo, ITU-T X.690 series]
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A.
ITU-T X.680 series
The ITU-T X.680 series is a set of international standards that formally define the syntax and structure of the Abstract Syntax Notation One (ASN.1) used for specifying data in telecommunications and computer networking.
-
B.
ASN.1
ASN.1 (Abstract Syntax Notation One) is a standardized, platform-independent notation used to define and encode complex data structures in telecommunications and cryptographic protocols, including X.509 certificates.
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C.
ISO/IEC 9594
ISO/IEC 9594 is an international standard that defines the X.500 series directory services, specifying models, protocols, and information frameworks for distributed directory systems in open systems interconnection.
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D.
ANSI X9.52
ANSI X9.52 is a financial industry standard that defines the use of Triple Data Encryption Standard (3DES) for securing electronic financial transactions and data.
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E.
RFC 2580
RFC 2580 is an Internet Engineering Task Force (IETF) standards document that defines conformance statements for the Structure of Management Information Version 2 (SMIv2) used in network management protocols like SNMP.
- 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: ITU-T X.690 series Target entity description: The ITU-T X.690 series is a set of international standards that define encoding rules for ASN.1 data structures, including BER, CER, and DER.
-
A.
ITU-T X.680 series
The ITU-T X.680 series is a set of international standards that formally define the syntax and structure of the Abstract Syntax Notation One (ASN.1) used for specifying data in telecommunications and computer networking.
-
B.
ASN.1
ASN.1 (Abstract Syntax Notation One) is a standardized, platform-independent notation used to define and encode complex data structures in telecommunications and cryptographic protocols, including X.509 certificates.
-
C.
ISO/IEC 9594
ISO/IEC 9594 is an international standard that defines the X.500 series directory services, specifying models, protocols, and information frameworks for distributed directory systems in open systems interconnection.
-
D.
ANSI X9.52
ANSI X9.52 is a financial industry standard that defines the use of Triple Data Encryption Standard (3DES) for securing electronic financial transactions and data.
-
E.
RFC 2580
RFC 2580 is an Internet Engineering Task Force (IETF) standards document that defines conformance statements for the Structure of Management Information Version 2 (SMIv2) used in network management protocols like SNMP.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
ITU-T Recommendation
ⓘ
encoding rules specification ⓘ international standard ⓘ |
| abbreviation | X.690 NERFINISHED ⓘ |
| appliesTo | binary encoding of ASN.1 values ⓘ |
| category | encoding rules ⓘ |
| constrains | encoding of ASN.1 types ⓘ |
| defines |
Basic Encoding Rules
NERFINISHED
ⓘ
Canonical Encoding Rules NERFINISHED ⓘ Distinguished Encoding Rules NERFINISHED ⓘ encoding rules for ASN.1 data structures ⓘ |
| ensures | interoperable ASN.1 encodings ⓘ |
| field |
data communications
ⓘ
information technology ⓘ telecommunications ⓘ |
| governs |
canonical encodings of ASN.1 values
ⓘ
distinguished encodings of ASN.1 values ⓘ |
| includesEncodingRule |
BER
GENERATED
ⓘ
CER GENERATED ⓘ DER GENERATED ⓘ |
| language | English ⓘ |
| partOf | ITU-T X-series NERFINISHED ⓘ |
| publishedBy |
ITU Telecommunication Standardization Sector
NERFINISHED
ⓘ
International Telecommunication Union NERFINISHED ⓘ |
| relatedTo |
ASN.1
NERFINISHED
ⓘ
ITU-T X.680 series NERFINISHED ⓘ |
| specifies |
contents octets encoding
ⓘ
end-of-contents octets ⓘ identifier octets format ⓘ length encoding rules ⓘ tagging rules for ASN.1 encodings ⓘ |
| standardizes | binary representation of ASN.1 values ⓘ |
| status | in force ⓘ |
| usedIn |
cryptographic protocols
ⓘ
digital certificates ⓘ network management protocols ⓘ telecommunication signaling protocols ⓘ |
| usesNotation | ASN.1 NERFINISHED ⓘ |
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: ITU-T X.690 series Description of subject: The ITU-T X.690 series is a set of international standards that define encoding rules for ASN.1 data structures, including BER, CER, and DER.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.