653 search results - page 95 / 131 » Database Privacy |
133
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KDD
2005
ACM
15 years 7 months ago
2005
ACM
We present a probabilistic model-based framework for distributed learning that takes into account privacy restrictions and is applicable to scenarios where the different sites ha...
CCS
2010
ACM
15 years 5 months ago
2010
ACM
In this paper, we propose a new form of image-based CAPTCHA we term "scene tagging". It tests the ability to recognize a relationship between multiple objects in an imag...
DEXAW
2003
IEEE
15 years 7 months ago
2003
IEEE
The research project “AN.ON – Anonymity online” focuses on developing and providing a web anonymising service. This service provides anonymity and unobservability against ex...
129
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KDD
2012
ACM
13 years 4 months ago
2012
ACM
With the wide deployment of smart card automated fare collection (SCAFC) systems, public transit agencies have been benefiting from huge volume of transit data, a kind of sequent...
CCS
2007
ACM
15 years 8 months ago
2007
ACM
We present Asirra (Figure 1), a CAPTCHA that asks users to identify cats out of a set of 12 photographs of both cats and dogs. Asirra is easy for users; user studies indicate it c...