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Re-finding electronic documents from personal computers is a frequent demand. For a simple re-finding task, people can use many methods to retrieve the target document, such as navigating directly to its folder, searching with desktop search engines, or checking the Recent Files List. When encountering difficult re-finding tasks, people usually cannot rely on attributes exploited by conventional re-finding...
In this paper, we propose a novel palmprint retrieval scheme based on principal lines. In the proposed scheme, the principal lines are firstly extracted by the modified finite radon transform. And then, a lot of key points located in three principal lines i.e. heart line, life line and head line are detected. Finally, the palmprints are retrieved by several key points' position and direction. The...
To belter serve users' information needs without requiring comprehensive queries from users, a simple yet effective technique is to explore the preferences of users. Since these preferences can differ for each context of the user, we introduce context-aware preferences. To anchor the semantics of context-aware preferences in a traditional probabilistic model of information retrieval, we present a...
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