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WWW
2009
ACM
15 years 10 months ago
Query clustering using click-through graph
In this paper we describe a problem of discovering query clusters from a click-through graph of web search logs. The graph consists of a set of web search queries, a set of pages ...
Jeonghee Yi, Farzin Maghoul
WWW
2009
ACM
15 years 10 months ago
What's up CAPTCHA?: a CAPTCHA based on image orientation
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...
Rich Gossweiler, Maryam Kamvar, Shumeet Baluja
WWW
2009
ACM
15 years 10 months ago
To join or not to join: the illusion of privacy in social networks with mixed public and private user profiles
In order to address privacy concerns, many social media websites allow users to hide their personal profiles from the public. In this work, we show how an adversary can exploit an...
Elena Zheleva, Lise Getoor
WWW
2009
ACM
15 years 10 months ago
Searching for events in the blogosphere
Over the last few years, blogs (web logs) have gained massive popularity and have become one of the most influential web social media in our times. Every blog post in the Blogosph...
Manolis Platakis, Dimitrios Kotsakos, Dimitrios Gu...
WWW
2009
ACM
15 years 10 months ago
Modeling semantics and structure of discussion threads
The abundant knowledge in web communities has motivated the research interests in discussion threads. The dynamic nature of discussion threads poses interesting and challenging pr...
Chen Lin, Jiang-Ming Yang, Rui Cai, Xin-Jing Wang,...