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CCS
2010
ACM
15 years 6 months ago
Attacks and design of image recognition CAPTCHAs
We systematically study the design of image recognition CAPTCHAs (IRCs) in this paper. We first review and examine all IRCs schemes known to us and evaluate each scheme against th...
Bin B. Zhu, Jeff Yan, Qiujie Li, Chao Yang, Jia Li...
SIGCOMM
2010
ACM
15 years 6 months ago
Mobile data offloading: how much can WiFi deliver?
This is a quantitative study on the performance of 3G mobile data offloading through WiFi networks. We recruited about 100 iPhone users from a metropolitan area and collected stat...
Kyunghan Lee, Injong Rhee, Joohyun Lee, Yung Yi, S...
SIGCOMM
2010
ACM
15 years 6 months ago
PixNet: LCD-camera pairs as communication links
Given the abundance of cameras and LCDs in today's environment, there exists an untapped opportunity for using these devices for communication. Specifically, cameras can tune...
Samuel David Perli, Nabeel Ahmed, Dina Katabi
SIGIR
2010
ACM
15 years 6 months ago
Visual summarization of web pages
Visual summarization is an attractive new scheme to summarize web pages, which can help achieve a more friendly user experience in search and re-finding tasks by allowing users qu...
Binxing Jiao, Linjun Yang, Jizheng Xu, Feng Wu
SOFTVIS
2010
ACM
15 years 6 months ago
AllocRay: memory allocation visualization for unmanaged languages
A programs memory system performance is one of the key determinants of its overall performance. Lack of understanding of a programs memory system behavior can lead to performance ...
George G. Robertson, Trishul M. Chilimbi, Bongshin...
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