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INTEGRATED TECHNOLOGIES THAT ADDRESS HUMAN
NEEDS
Oxygen enables pervasive, human-centered computing through a combination of specific
user and system technologies.
Oxygen’s user technologies directly address human needs. Speech and vision
technologies enable us to communicate with Oxygen as if we’re interacting with another person,
saving much time and effort. Automation, individualized knowledge access, and collaboration
technologies help us perform a wide variety of tasks that we want to do in the ways we like to do
them.
Oxygen’s system technologies dramatically extend our range by delivering user
technologies to us at home, at work, or on the go. Computational devices, called Enviro21s
(E21s), embedded in our homes, offices, and cars sense and affect our immediate environment.
Hand-held devices, called Handy21s (H21s), empower us to communicate and compute no
matter where we are. Dynamic networks (N21s) help our machines locate each other as well as
the people, services, and resources we want to reach.
Oxygen’s user technologies include:
The Oxygen technologies work together and pay attention to several important themes:
Distribution and mobility — for people, resources, and services.
Semantic content — what we mean, not just what we say.
Adaptation and change — essential features of an increasingly dynamic world.
Information personalities — the privacy, security, and form of our individual interactions
with Oxygen.
Oxygen is an integrated software system that will reside in the public domain. Its
development is sponsored by DARPA and the Oxygen Alliance industrial partners, who share its
goal of pervasive, human-centered computing. Realizing that goal will require a great deal of
creativity and innovation, which will come from researchers, students, and others who use Oxygen technologies for their daily work during the course of the project. The lessons they
derive from this experience will enable Oxygen to better serve human needs.
SYSTEM TECHNOLOGIES
DEVICES AND NETWORKS
People access Oxygen through stationary devices (E21s) embedded in the environment or
via portable hand-held devices (H21s). These universally accessible devices supply power for
computation, communication, and perception in much the same way that wall outlets and
batteries deliver power to electrical appliances. Although not customized to any particular user,
they can adapt automatically or be modified explicitly to address specific user preferences. Like
power outlets and batteries, these devices differ mainly in how much energy they can supply.
E21 STATIONARY DEVICES
Embedded in offices, buildings, homes, and vehicles, E21s enable us to create situated
entities, often linked to local sensors and actuators, that perform various functions on our behalf,
even in our absence. For example, we can create entities and situate them to monitor and change
the temperature of a room, close a garage door, or redirect email to colleagues, even when we
are thousands of miles away. E21s provide large amounts of embedded computation, as well as
interfaces to camera and microphone arrays, thereby enabling us to communicate naturally,
using speech and gesture, in the spaces they define.
E21s provide sufficient computational power throughout the environment
To communicate with people using natural perceptual resources, such as speech and vision,
To support Oxygen's user technologies wherever people may be, and
To monitor and control their environment.
E21s, as well as H21s, are universal communication and computation appliances. E21s
leverage the same hardware components as the H21s so that the same software can run on both
devices. E21s differ from H21s mainly in Their connections to the physical world,
The computational power they provide, and
The policies adopted by the software that runs on the devices.
CONNECTIONS TO THE PHYSICAL WORLD
E21s connect directly to a greater number and wider variety of sensors, actuators, and
appliances than do H21s. These connections enable applications built with Oxygen's perceptual
and user technologies to monitor and control the environment.