Wearable augmented task-list interchange device
Encyclopedia
Wearable Augmented task-List Interchange Device (W.A.L.I.D) system was designed by computing researchers of the wearable computing group
Wearable Computing Group
The Wearable Computing Group is a research group at the University of Oregon that focuses on the development and evaluation of wearable and mobile computing technology for facilitating and augmenting human collaboration....

 at the University of Oregon
University of Oregon
-Colleges and schools:The University of Oregon is organized into eight schools and colleges—six professional schools and colleges, an Arts and Sciences College and an Honors College.- School of Architecture and Allied Arts :...

as a simulator to test wearable communities projects. The first version was used in testing the Negotiation System described in When Cyborgs Meet: Building Communities of Cooperating Wearable Agents, and as described in Modeling Wearable Negotiation in an Opportunistic Task Oriented Domain. The WALID simulator is also modified for the trust domain.

The experimental system of WALID is developed to test the weighing of trust versus self interest. The experiment is made easy by the fact that Oregon computing researchers live and worked in the same neighbourhood in Eugene, Oregon.

In this experiment, two individuals use their mobile devices to negotiate about and to exchange real world tasks such as dropping off someone's dry cleaning of returning a book to the library. It is based on the ideal of "doing a favour for others knowing that one day they will do it for you".

The WALID system utilizes personal agent software to find nearby community members within close proximity to negotiate the exchange of tasks. Agents are made aware of the activities of the tasks and their locations via a user's task list. When an encounter occurs, negotiation is made and the tasks are exchanged if the negotiation goes through.

Ideas from game theory are employed to ensure that results negotiations are mutually beneficial; cooperation is conducted only if there is opportunity to enchance the user's objective.
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