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CHI
2007
ACM
14 years 10 months ago
Disruption and recovery of computing tasks: field study, analysis, and directions
We report on a field study of the multitasking behavior of computer users focused on the suspension and resumption of tasks. Data was collected with a tool that logged users'...
Shamsi T. Iqbal, Eric Horvitz
CEAS
2007
Springer
14 years 4 months ago
Asymmetric Gradient Boosting with Application to Spam Filtering
In this paper, we propose a new asymmetric boosting method, Boosting with Different Costs. Traditional boosting methods assume the same cost for misclassified instances from di...
Jingrui He, Bo Thiesson
ICALT
2003
IEEE
14 years 3 months ago
Evaluating the Role of a Shared Document-Based Annotation Tool in Learner-Centered Collaborative Learning
This study presents a shared document-based annotation tool, EDUCOSM. Usefulness of the system is empirically evaluated in a real-life collaborative learning context. Relationship...
Petri Nokelainen, Jaakko Kurhila, Miikka Miettinen...
RAID
2010
Springer
13 years 7 months ago
Abusing Social Networks for Automated User Profiling
Recently, social networks such as Facebook have experienced a huge surge in popularity. The amount of personal information stored on these sites calls for appropriate security prec...
Marco Balduzzi, Christian Platzer, Thorsten Holz, ...
EMNLP
2009
13 years 7 months ago
Predicting Subjectivity in Multimodal Conversations
In this research we aim to detect subjective sentences in multimodal conversations. We introduce a novel technique wherein subjective patterns are learned from both labeled and un...
Gabriel Murray, Giuseppe Carenini