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PERCOM
2005
ACM
15 years 11 months ago
2005
ACM
In this paper, we present a novel method to adapt the temporal radio maps for indoor location determination by offsetting the variational environmental factors using data mining t...
CHI
2010
ACM
15 years 6 months ago
2010
ACM
In this paper we present the results of a field study of Avaaj Otalo (literally, “voice stoop”), an interactive voice application for small-scale farmers in Gujarat, India. T...
CHI
2010
ACM
15 years 6 months ago
2010
ACM
Gesture-based interfaces provide expert users with an efficient form of interaction but they require a learning effort for novice users. To address this problem, some on-line gui...
SAC
2010
ACM
15 years 6 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...
WWW
2010
ACM
15 years 6 months ago
2010
ACM
In this paper, we address the question of how we can identify hosts that will generate links to web spam. Detecting such spam link generators is important because almost all new s...