Sciweavers

4324 search results - page 569 / 865
» Online social networks
Sort
View
CVPR
2000
IEEE
16 years 8 months ago
Boosting Image Retrieval
Online photo sharing systems, such as Flickr and Picasa, provide a valuable source of human-annotated photos. Textual annotations are used not only to describe the visual content ...
Kinh Tieu, Paul A. Viola
WWW
2007
ACM
16 years 7 months ago
P-TAG: large scale automatic generation of personalized annotation tags for the web
The success of the Semantic Web depends on the availability of Web pages annotated with metadata. Free form metadata or tags, as used in social bookmarking and folksonomies, have ...
Paul-Alexandru Chirita, Stefania Costache, Wolfgan...
WWW
2007
ACM
16 years 7 months ago
Measuring credibility of users in an e-learning environment
Learning Villages (LV) is an E-learning platform for people's online discussions and frequently citing postings of one another. In this paper, we propose a novel method to ra...
Wei Wei, Jimmy Ho-Man Lee, Irwin King
WWW
2006
ACM
16 years 7 months ago
Visualizing tags over time
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 ...
Micah Dubinko, Ravi Kumar, Joseph Magnani, Jasmine...
WWW
2004
ACM
16 years 7 months ago
Visualising student tracking data to support instructors in web-based distance education
This paper presents a novel approach of using web log data generated by course management systems (CMS) to help instructors become aware of what is happening in distance learning ...
Riccardo Mazza, Vania Dimitrova