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Geo-tagged social media data provides abundant resources for people in need of local information. In this paper, we study how to find the top-k influential local users from geo-tagged social media data who have interests similar to a query. Such local users can be of particular importance for a variety of activities from events organizing to online advertising. We formulate the problem as Top-k Influential...
With the pervasiveness of smart phones, mobile social networking (MSN) has received extensive attention in recent years. However, while providing many opportunities to mobile users, MSN also poses new security challenges, and sybil attack is one of such challenges, in which a malicious user can interact with other mobile users multiple times by creating fake identities and misleading them into making...
Postal enterprises analysis customer behaviors through the data which are the customer basic information and transaction records in the various business branches. Generally the data are closely related to business development and very large and closely linked with each other. Therefore how to save these data is very important for the postal enterprise CRM system, and which requires a well-designed...
In this paper, a novel cross-layer handoff approach is proposed based on the emerging integration of Ethernet Passive Optical Networks (EPON) and WiMAX. Users suffer long handoff latency and great loss of packets caused by the frequently movement, which is unacceptable for the broadband and real-time service like IPTV. The goal of new handoff approach is to minimize the negative effect caused by handoff...
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