409 search results - page 47 / 82 » Review spam detection |
WWW
2009
ACM
16 years 15 days 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...
149
click to vote
HYPERTEXT
2009
ACM
15 years 9 months ago
2009
ACM
Collaborative annotation tools are in widespread use. The metadata from these systems can be mined to induce semantic relationships among Web objects (sites, pages, tags, concepts...
PIMRC
2008
IEEE
15 years 6 months ago
2008
IEEE
Abstract— To protect SIP communication networks from attacks, especially flooding attacks like Denial-of-Service or message spam, Intrusion Detection Systems (IDS) are deployed ...
100
click to vote
IPPS
2007
IEEE
15 years 6 months ago
2007
IEEE
The security of your data and of your network is in the hands of intrusion detection systems, virus scanners and spam filters, which are all critically based on string matching. ...
CEAS
2007
Springer
15 years 6 months ago
2007
Springer
Email has become an integral and sometimes overwhelming part of users’ personal and professional lives. In this paper, we measure the flow and frequency of user email toward th...