Emerson: Accessible Scripting for Applications in an Extensible Virtual World

This paper presents Emerson, a new programming system for scripting objects in user-extensible virtual worlds such as Second Life, Active Worlds, Open Wonderland, etc. Emerson's primary goal is to make it easy for novice programmers to write and deploy interesting applications. Scripting applications for these worlds is difficult due to two characteristics: the worlds must scale to millions of users and are therefore distributed, and there is no central authority or design so interaction is mostly between mutually untrusting applications. To simplify scripting for novices, Emerson employs two abstractions: multi-presencing and execution sandboxes.

Provided by: Association for Computing Machinery Topic: Software Date Added: Oct 2011 Format: PDF

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