609 search results - page 101 / 122 » Social search in |
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...
WWW
2009
ACM
14 years 8 months ago
2009
ACM
Social annotations on a Web document are highly generalized description of topics contained in that page. Their tagged frequency indicates the user attentions with various degrees...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
The research objective of this work is to develop a general framework that incorporates collaborative social tagging with a novel ontology scheme conveying multiple perspectives. ...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
In this paper, we formally define the problem of topic modeling with network structure (TMN). We propose a novel solution to this problem, which regularizes a statistical topic mo...
WWW
2006
ACM
14 years 8 months ago
2006
ACM
We consider the problem of visualizing the evolution of tags within the Flickr (flickr.com) online image sharing community. Any user of the Flickr service may append a tag to any ...