D-Bus

E699703

freedesktop.org specification inter-process communication system message bus system software library

D-Bus is an inter-process communication (IPC) system that allows multiple programs to communicate and coordinate with each other on the same machine, widely used in Linux desktop and system components.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (5)

Label	Occurrences
D-Bus canonical	7
D-Bus Specification	2
DBus	1
dbus-daemon	1
libdbus	1

How this entity was disambiguated

This entity first appeared as the object of triple T7937651 — 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: D-Bus
Context triple: [systemd, usesTechnology, D-Bus]

A. ubus message bus
ubus message bus is a lightweight inter-process communication system used in OpenWrt to allow system components and services to communicate and exchange configuration and status information.
B. Wayland
Wayland is a modern display server protocol for Linux and other Unix-like systems designed to replace the X Window System with a simpler, more efficient architecture.
C. Wayland
Wayland is a small city in Allegan County, Michigan, known for its rural character and proximity to Grand Rapids.
D. MATE Settings Daemon
MATE Settings Daemon is a background service in the MATE desktop environment that manages and applies user preferences such as themes, keyboard shortcuts, and other desktop settings.
E. Cbus
Cbus is a common nickname for Columbus, the capital and largest city of Ohio.
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: D-Bus
Target entity description: D-Bus is an inter-process communication (IPC) system that allows multiple programs to communicate and coordinate with each other on the same machine, widely used in Linux desktop and system components.

A. ubus message bus
ubus message bus is a lightweight inter-process communication system used in OpenWrt to allow system components and services to communicate and exchange configuration and status information.
B. Wayland
Wayland is a modern display server protocol for Linux and other Unix-like systems designed to replace the X Window System with a simpler, more efficient architecture.
C. Wayland
Wayland is a small city in Allegan County, Michigan, known for its rural character and proximity to Grand Rapids.
D. MATE Settings Daemon
MATE Settings Daemon is a background service in the MATE desktop environment that manages and applies user preferences such as themes, keyboard shortcuts, and other desktop settings.
E. Cbus
Cbus is a common nickname for Columbus, the capital and largest city of Ohio.
F. None of above. chosen

Statements (64)

Predicate	Object
instanceOf	freedesktop.org specification ⓘ inter-process communication system ⓘ message bus system ⓘ software library ⓘ
category	Linux desktop technology ⓘ system communication middleware ⓘ
communicationModel	bus-based ⓘ
designGoal	desktop integration ⓘ low-latency IPC ⓘ low-overhead IPC ⓘ service discovery ⓘ
developer	freedesktop.org ⓘ linked to: Freedesktop.org standards
hasBinding	C++ ⓘ GLib ⓘ Java ⓘ Perl ⓘ Python ⓘ Qt ⓘ Ruby ⓘ
hasComponent	dbus-daemon ⓘ linked to: D-Bus dbus-launch ⓘ dbus-monitor ⓘ dbus-run-session ⓘ dbus-send ⓘ libdbus ⓘ linked to: D-Bus
hasSpecification	D-Bus Specification ⓘ linked to: D-Bus
homepage	https://www.freedesktop.org/wiki/Software/dbus/ ⓘ
implements	binary message protocol ⓘ introspection mechanism ⓘ message bus daemon ⓘ object-oriented IPC model ⓘ
license	Academic Free License ⓘ GNU General Public License ⓘ
operatingSystem	BSD ⓘ Linux ⓘ Microsoft Windows ⓘ linked to: Windows Solaris ⓘ linked to: Solaris operating system Unix-like systems ⓘ
protocolType	binary protocol ⓘ
purpose	desktop component coordination ⓘ inter-process communication ⓘ system service communication ⓘ
standardizedBy	freedesktop.org ⓘ linked to: Freedesktop.org standards
supports	peer-to-peer communication ⓘ session bus ⓘ system bus ⓘ
supportsAddressing	interfaces ⓘ object paths ⓘ unique names ⓘ well-known names ⓘ
supportsAuthentication	DBUS_COOKIE_SHA1 ⓘ EXTERNAL mechanism ⓘ
supportsCommunicationType	method calls ⓘ property access ⓘ signals ⓘ
supportsTransport	TCP sockets ⓘ UNIX domain sockets ⓘ
usedBy	BlueZ ⓘ GNOME desktop ⓘ linked to: GNOME desktop environment KDE Plasma desktop ⓘ linked to: KDE Plasma desktop environment NetworkManager ⓘ UPower ⓘ systemd ⓘ
usesProgrammingLanguage	C ⓘ

How these facts were elicited

Referenced by (12)

Full triples — surface form annotated when it differs from this entity's canonical label.

systemd → usesTechnology → D-Bus ⓘ

MATE Screensaver → uses → DBus ⓘ

linked to: D-Bus

MATE Settings Daemon → uses → D-Bus ⓘ

D-Bus → hasComponent → dbus-daemon ⓘ

linked to: D-Bus

D-Bus → hasComponent → libdbus ⓘ

linked to: D-Bus

D-Bus → hasSpecification → D-Bus Specification ⓘ

linked to: D-Bus

GNOME Settings Daemon → usesLibrary → D-Bus ⓘ

subject linked to: GNOME settings daemon

PackageKit → usesInterface → D-Bus ⓘ

xdg-desktop-portal → usesIPC → D-Bus ⓘ

Flatpak Portal → usesProtocol → D-Bus ⓘ

subject linked to: flatpak portal

KDE Connect → supportsStandard → D-Bus ⓘ

Freedesktop.org standards → includesSpecification → D-Bus Specification ⓘ

linked to: D-Bus

All labels observed (5)

How this entity was disambiguated Show

Statements (64)

How these facts were elicited Show

Referenced by (12)

How this entity was disambiguated

How these facts were elicited