Designers are often faced with difficult tradeoffs between easing the user's burden by making security decisions for them and offering features that ensure that users can mak...
Mary Ellen Zurko, Charlie Kaufman, Katherine Spanb...
Graphical password systems based on the recognition of photographs are candidates to alleviate current over-reliance on alphanumeric passwords and PINs. However, despite being bas...
When asked to draw, many people are hesitant because they consider themselves unable to draw well. This paper describes the first system for a computer to provide direction and fe...
—Mobile phones are truly personal devices loaded with personal data such as photos, contacts, and call history. Yet it is often necessary or desirable to share our phones with ot...
Yunxin Liu, Ahmad Rahmati, Hyukjae Jang, Yuanhe Hu...
Users of text search engines are increasingly wary that their activities may disclose confidential information about their business or personal profiles. It would be desirable f...