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166
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CMOT
2002
15 years 6 months ago
2002
We introduce a diffusion of innovation model based on a network threshold approach. Realistic network and threshold data were gathered regarding the diffusion of new software tool...
123
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JODI
2002
15 years 6 months ago
2002
This paper discusses the problem of horizontal (nonhierarchical) navigation in modern educational courseware. We will look at why horizontal links disappear, how to support horizo...
157
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IEEESP
2010
15 years 4 months ago
2010
Abstract. We devise a model for security investment that reflects dynamic interaction between a defender, who faces uncertainty, and an attacker, who repeatedly targets the weakes...
158
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INFOCOM
2010
IEEE
15 years 4 months ago
2010
IEEE
—Collaborative applications for co-located mobile users can be severely disrupted by a sybil attack to the point of being unusable. Existing decentralized defences have largely b...
161
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SIGKDD
2010
15 years 4 months ago
2010
Social tagging on online portals has become a trend now. It has emerged as one of the best ways of associating metadata with web objects. With the increase in the kinds of web obj...