88 search results - page 6 / 18 » User behavior oriented web spam detection |
UM
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. We propose an approach for modeling the navigational behavior of Web users based on task-level patterns. The discovered “tasks” are characterized probabilistically as...
CIKM
2011
Springer
12 years 7 months ago
2011
Springer
We study the problem of detecting coordinated free text campaigns in large-scale social media. These campaigns – ranging from coordinated spam messages to promotional and advert...
WWW
2009
ACM
14 years 8 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...
Publication
Most e-learning environments which utilize user feedback or profiles, collect such information based on questionnaires, resulting very often in incomplete answers, and sometimes de...
CHI
2004
ACM
14 years 8 months ago
2004
ACM
This paper presents a modified diary study that investigated how people performed personally motivated searches in their email, in their files, and on the Web. Although earlier st...