17Introduction
various forces shaping its development. It yields a com-
prehensive view of the visual representation of networks,
delving into historical precedents, various contemporary
methods, and a range of future prospects. It looks at the
depiction of networks from a practical and functional
perspective, proposing several guiding principles for cur-
rent practitioners, but also explores the alluring qualities
of the network schema, as a central driver for a new
conception of art. This comprehensive study of network
visualization should ultimately be accessible to anyone
interested in the field, independent of their level of exper-
tise or academic dexterity.
The book opens with “Tree of Life,” an exploration
of the sacred meaning of trees and their widespread use as
a classification system over the centuries. It showcases an
assortment of ancient representations—as predecessors of
modern-day network diagrams—where the tree metaphor
is used to visually convey a variety of topics, from theologi-
cal events to an encyclopedia’s table of contents.
The second chapter, “From Trees to Networks,” makes
the case for a new network-based outlook on the world, one
that is based on diversity, decentralization, and nonlinearity.
It explores several instances—from the way we envision our
cities to the way we organize information and decode our
brain—where an alternative network model is replacing the
hierarchical tree schema.
Chapter three, “Decoding Networks,” delves into
the science behind network thinking and network drawing,
providing a short introduction to its main precursors and
early milestones. It also takes a pragmatic and utilitarian
look at network visualization, acknowledging its key func-
tions and proposing a set of guiding principles aimed at
improving existing methods and techniques.
Following a series of functional recommenda-
tions for network visualization, chapter four, “Infinite
Interconnectedness,” presents a large number of examples
divided into fourteen popular subjects. From depictions of
the blogosphere to representations of terrorist networks,
chapter four highlights the truly complex connectedness of
modern times.
If chapter four looks at the practice primarily through
its most common themes, chapter five, “The Syntax of a
New Language,” organizes a vast array of projects by their
shared visual layouts and configurations. As designers, sci-
entists, and researchers across the globe portray an increas-
ing number of network structures in innovative ways, their
collective effort forms the building blocks of a new network-
visualization lexicon.
After presenting an abundance of network-visualiza-
tion examples in chapters four and five, chapter six, “Complex
Beauty,” examines the alluring nature of networks, responsible
for a considerable shift in our culture and society. Alternating
between scientific and artistic viewpoints, this chapter explores
the divide between order and complexity before culminating
in a discussion of an original art movement embracing the
newly discovered beauty of the network scheme.
Finally, and in the spirit of network diversity and
decentralization, “Looking Ahead,” the last chapter, pres-
ents different views on the influential growth of visualiza-
tion, according to renowned experts, active participants,
and attentive observers. The featured essays cover an array
of trends and technologies shaping the progress of visual-
ization and provide an immensely captivating perspective
on what may lie ahead.
By exploring different facets of our information-
driven network culture, this book ultimately unifies two rising