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We introduce the Expandable Grid, a novel interaction technique for creating, editing, and viewing many types of security policies. Security policies, such as file permissions policies, have traditionally been displayed and edited in user interfaces based on a list of rules, each of which can only be viewed or edited in isolation. These list-of-rules(More)
The views and conclusions contained in this document are those of the author, and should not be interpreted as representing the official policies, either expressed or implied, of any sponsoring institution, the U.S. government, or any other entity. This thesis is dedicated to my parents, from whom I have learned more than N years of graduate school could(More)
Friend lists group contacts in a social networking site that are to be treated equally in some respect. We have developed a new approach for recommending friend lists, which can then be manually edited and merged by the user to create the final lists. Our approach finds both large networks of friends and smaller friend groups within this network by merging(More)
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