4514 search results - page 850 / 903 » The security of vehicular networks |
179
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SAC
2010
ACM
16 years 1 months ago
2010
ACM
CAPTCHAs protect online resources and services from automated access. From an attacker’s point of view, they are typically perceived as an annoyance that prevents the mass creat...
160
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ICDCN
2010
Springer
16 years 29 days ago
2010
Springer
The proliferation of new modes of communication and collaboration has resulted in an explosion of digital information. To turn this challenge into an opportunity, the IT industry ...
168
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SAC
2009
ACM
16 years 28 days ago
2009
ACM
Online feedback-based rating systems are gaining popularity. Dealing with collaborative unfair ratings in such systems has been recognized as an important but difficult problem. T...
146
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CSE
2009
IEEE
16 years 27 days ago
2009
IEEE
—Web 2.0 applications, including blogs, wikis and social networking sites, pose challenging privacy issues. Many users are unaware that search engines index personal information ...
145
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GLOBECOM
2009
IEEE
16 years 27 days ago
2009
IEEE
Abstract—Cognitive radio technologies have become a promising approach to increase the efficiency of spectrum utilization. Although cognitive radio has been intensively studied ...