Sciweavers

3693 search results - page 211 / 739
» User experience over time
Sort
View
GROUP
2009
ACM
15 years 6 months ago
Spreading the honey: a system for maintaining an online community
As online communities, such as social network sites, mature, they face challenges in sustaining user engagement. To address this, we designed and deployed a rating system to encou...
Rosta Farzan, Joan Morris DiMicco, Beth Brownholtz
COLCOM
2008
IEEE
15 years 6 months ago
A Constraint and Attribute Based Security Framework for Dynamic Role Assignment in Collaborative Environments
Abstract. We investigate a security framework for collaborative applications that relies on the role-based access control (RBAC) model. In our framework, roles are pre-defined and...
Isabel F. Cruz, Rigel Gjomemo, Benjamin Lin, Mirko...
ADC
2006
Springer
156views Database» more  ADC 2006»
15 years 5 months ago
A new approach to intelligent text filtering based on novelty detection
This paper presents an original approach to modelling user’s information need in text filtering environment. This approach relies on a specific novelty detection model which a...
Randa Kassab, Jean-Charles Lamirel
CEAS
2004
Springer
15 years 5 months ago
Personalised, Collaborative Spam Filtering
The state of the art sees content-based filters tending towards collaborative filters, whereby email is filtered at the MTA with users feeding information back about false posit...
Alan Gray, Mads Haahr
CCS
2008
ACM
15 years 1 months ago
User-controllable learning of security and privacy policies
Studies have shown that users have great difficulty specifying their security and privacy policies in a variety of application domains. While machine learning techniques have succ...
Patrick Gage Kelley, Paul Hankes Drielsma, Norman ...