EOLSS Contributions are
written at different levels of hierarchy:
Theme Level Writings
Topic Level Writings
Article Level Writings
The Theme-level chapter represents an overview that is addressed to a broad
readership. The length of Theme-level contributions is about 30 pages on
A Topic-level chapter provides a broad summary and evaluation of the subjects
covered by the Articles under the topic. The contributions are rendered
accessible to advanced students who want to begin or advance their knowledge in
a particular subject. The length of a Topic-level chapter is about 20 pages.
Most of the chapters in the EOLSS are written at this level. Articles cover a
subject in depth and contain relevant and necessary details of the established
knowledge for the specialists. They contain the latest advances and results in
the subject area with indications of future trends.
usually has three distinctive levels of writings: Theme Level, Topic level and
Article Level, with an increasing depth of specialization. A few themes have
only two levels of writings: Theme Level and Topic level. Each Theme with its
Topics and Articles may be regarded as a collection of about thirty chapters.
There are some Themes which are so large that each may be regarded as an
encyclopedia in its own right.
See also:Outlines of the Component Encyclopedias
See also: Sample Chapters