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WWW
2009
ACM
16 years 1 months ago
2009
ACM
We present a new CAPTCHA which is based on identifying an image's upright orientation. This task requires analysis of the often complex contents of an image, a task which hum...
88
Voted
ICDM
2006
IEEE
15 years 6 months ago
2006
IEEE
Many 0/1 datasets have a very large number of variables; however, they are sparse and the dependency structure of the variables is simpler than the number of variables would sugge...
101
Voted
IUI
2003
ACM
15 years 5 months ago
2003
ACM
How do we know if we can afford a particular purchase? We can find out what the payments might be and check our balances on various accounts, but does this answer the question? Wh...
W4A
2005
ACM
15 years 6 months ago
2005
ACM
Awareness of Web accessibility is spreading all over the world among Web designers and developers, due to regulations such as the US law called Section 508 and guidelines like the...
113
Voted
IMC
2009
ACM
15 years 7 months ago
2009
ACM
We show that currently prevalent practices for network path measurements can produce inaccurate inferences because of sampling biases. The inferred mean path latency can be more t...