756 search results - page 151 / 152 » Leveraging the CAPTCHA Problem |
SIGIR
2011
ACM
12 years 10 months ago
2011
ACM
Entities on social systems, such as users on Twitter, and images on Flickr, are at the core of many interesting applications: they can be ranked in search results, recommended to ...
SIGIR
2011
ACM
12 years 10 months ago
2011
ACM
We study a novel problem of social context summarization for Web documents. Traditional summarization research has focused on extracting informative sentences from standard docume...
HUC
2011
Springer
12 years 7 months ago
2011
Springer
We live in a world where many kinds of data about us can be collected and more will be collected as Ubicomp technologies mature. People reflect on this data using different tools ...
SDM
2012
SIAM
11 years 10 months ago
2012
SIAM
Objects linking with many other objects in an information network may imply various semantic relationships. Uncovering such knowledge is essential for role discovery, data cleanin...
TMC
2012
11 years 10 months ago
2012
—This work addresses the fundamental problem of distinguishing between a driver and passenger using a mobile phone, which is the critical input to enable numerous safety and inte...