Directory Information Base
E845105
The Directory Information Base is the central hierarchical database in X.500 directory services that stores and organizes directory entries and their attributes.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Directory Information Base canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T10158511 — 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: Directory Information Base Context triple: [X.500, definesConcept, Directory Information Base]
-
A.
Directory
The Directory was the five-member executive government that ruled France during the later stages of the French Revolution, between the fall of Robespierre and the rise of Napoleon Bonaparte.
-
B.
X.500
X.500 is an ITU-T and ISO/IEC standard series that defines a directory service model and protocols for distributed, hierarchical storage and retrieval of information about networked entities.
-
C.
Active Directory
Active Directory is Microsoft's centralized directory and identity management service used to authenticate and authorize users, computers, and resources in Windows-based networks.
-
D.
eDirectory
eDirectory is Novell's enterprise directory service that provides a centralized, scalable repository for managing users, resources, and security across networks and applications.
-
E.
LDAP
LDAP (Lightweight Directory Access Protocol) is an open, standards-based protocol used to access and manage distributed directory information services over an IP network.
- 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: Directory Information Base Target entity description: The Directory Information Base is the central hierarchical database in X.500 directory services that stores and organizes directory entries and their attributes.
-
A.
Directory
The Directory was the five-member executive government that ruled France during the later stages of the French Revolution, between the fall of Robespierre and the rise of Napoleon Bonaparte.
-
B.
X.500
X.500 is an ITU-T and ISO/IEC standard series that defines a directory service model and protocols for distributed, hierarchical storage and retrieval of information about networked entities.
-
C.
Active Directory
Active Directory is Microsoft's centralized directory and identity management service used to authenticate and authorize users, computers, and resources in Windows-based networks.
-
D.
eDirectory
eDirectory is Novell's enterprise directory service that provides a centralized, scalable repository for managing users, resources, and security across networks and applications.
-
E.
LDAP
LDAP (Lightweight Directory Access Protocol) is an open, standards-based protocol used to access and manage distributed directory information services over an IP network.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
X.500 concept
ⓘ
directory service component ⓘ hierarchical database ⓘ |
| abbreviation | DIB ⓘ |
| contains |
attribute values
ⓘ
attributes ⓘ directory entries ⓘ distinguished names ⓘ object classes ⓘ |
| definedInStandard | X.500 ⓘ |
| governedBy | X.500 schema definitions ⓘ |
| hasGoal | provide a global, consistent directory namespace ⓘ |
| hasProperty |
distributed across multiple directory servers
ⓘ
logically unified ⓘ physically distributed ⓘ |
| hasRole |
central repository of directory information
ⓘ
organizes directory attributes ⓘ stores directory entries ⓘ |
| hasStructure | hierarchical ⓘ |
| implementsConcept |
attribute type
ⓘ
distinguished name ⓘ object class ⓘ relative distinguished name ⓘ |
| influenced |
LDAP directory information model
ⓘ
linked to:
LDAP
|
| modeledBy | Directory Information Tree ⓘ |
| organizedAs | tree ⓘ |
| partOf |
X.500 directory system
ⓘ
linked to:
X.500
|
| relatedStandard | LDAP ⓘ |
| relatedTo | Directory Information Tree ⓘ |
| supportsConcept |
access control information
ⓘ
aliases ⓘ naming contexts ⓘ subtrees ⓘ |
| supportsFeature |
partitioning of directory data
ⓘ
replication of directory data ⓘ |
| supportsOperation |
add
ⓘ
compare ⓘ delete ⓘ modify ⓘ read ⓘ search ⓘ |
| usedBy |
Directory System Agent
ⓘ
Directory User Agent ⓘ |
| usedFor |
storing information about devices
ⓘ
storing information about organizations ⓘ storing information about services ⓘ storing information about users ⓘ |
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: Directory Information Base Description of subject: The Directory Information Base is the central hierarchical database in X.500 directory services that stores and organizes directory entries and their attributes.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.