A new semantic search engine for the KDE desktop
Loaded for Bear

Baloo replaces Nepomuk as the semantic search engine on the KDE desktop, but it gets off to a bumpy start.
The Nepomuk semantic search has been highly controversial since its introduction in KDE – both for users and for application developers. The release of KDE Applications 4.13 brings a new solution named Baloo to the KDE desktop – but not without some growing pains.
Desktop environments are pretty dumb, as users discover when they look for a file whose name they simply cannot remember. Semantic desktops were designed to address this problem. A semantic desktop has access to information about data, such as what data manifested, when data was created, and how data relate to each other. Using this information, a user can, for example, search for a file on the hard disk that John Doe emailed in March.
The KDE developers wanted to give their desktop environment an appropriate semantic search engine. They turned to the results of the Nepomuk (Networked Environment for Personalized, Ontology-Based Management of Unified Knowledge; Figure 1) research project [1] funded by the European Union from 2006 to 2008 to the tune of several million euros . It was intended to provide everything necessary to promote and simplify the development of a semantic desktop.
[...]
Buy this article as PDF
(incl. VAT)
Buy Linux Magazine
Subscribe to our Linux Newsletters
Find Linux and Open Source Jobs
Subscribe to our ADMIN Newsletters
Support Our Work
Linux Magazine content is made possible with support from readers like you. Please consider contributing when you’ve found an article to be beneficial.

News
-
TrueNAS 25.04 Arrives with Thousands of Changes
One of the most popular Linux-based NAS solutions has rolled out the latest edition, based on Ubuntu 25.04.
-
Fedora 42 Available with Two New Spins
The latest release from the Fedora Project includes the usual updates, a new kernel, an official KDE Plasma spin, and a new System76 spin.
-
So Long, ArcoLinux
The ArcoLinux distribution is the latest Linux distribution to shut down.
-
What Open Source Pros Look for in a Job Role
Learn what professionals in technical and non-technical roles say is most important when seeking a new position.
-
Asahi Linux Runs into Issues with M4 Support
Due to Apple Silicon changes, the Asahi Linux project is at odds with adding support for the M4 chips.
-
Plasma 6.3.4 Now Available
Although not a major release, Plasma 6.3.4 does fix some bugs and offer a subtle change for the Plasma sidebar.
-
Linux Kernel 6.15 First Release Candidate Now Available
Linux Torvalds has announced that the release candidate for the final release of the Linux 6.15 series is now available.
-
Akamai Will Host kernel.org
The organization dedicated to cloud-based solutions has agreed to host kernel.org to deliver long-term stability for the development team.
-
Linux Kernel 6.14 Released
The latest Linux kernel has arrived with extra Rust support and more.
-
EndeavorOS Mercury Neo Available
A new release from the EndeavorOS team ships with Plasma 6.3 and other goodies.