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ACL
2010
13 years 5 months ago
Event-Based Hyperspace Analogue to Language for Query Expansion
Bag-of-words approaches to information retrieval (IR) are effective but assume independence between words. The Hyperspace Analogue to Language (HAL) is a cognitively motivated and...
Tingxu Yan, Tamsin Maxwell, Dawei Song, Yuexian Ho...
ACL
2010
13 years 5 months ago
Towards Relational POMDPs for Adaptive Dialogue Management
Open-ended spoken interactions are typically characterised by both structural complexity and high levels of uncertainty, making dialogue management in such settings a particularly...
Pierre Lison
ACSAC
2010
IEEE
13 years 5 months ago
Paranoid Android: versatile protection for smartphones
Smartphone usage has been continuously increasing in recent years. Moreover, smartphones are often used for privacysensitive tasks, becoming highly valuable targets for attackers....
Georgios Portokalidis, Philip Homburg, Kostas Anag...
ACSAC
2010
IEEE
13 years 5 months ago
Exploring usability effects of increasing security in click-based graphical passwords
Graphical passwords have been proposed to address known problems with traditional text passwords. For example, memorable user-chosen text passwords are predictable, but random sys...
Elizabeth Stobert, Alain Forget, Sonia Chiasson, P...
ADMA
2010
Springer
264views Data Mining» more  ADMA 2010»
13 years 5 months ago
Frequent Pattern Trend Analysis in Social Networks
Abstract. This paper describes an approach to identifying and comparing frequent pattern trends in social networks. A frequent pattern trend is defined as a sequence of time-stampe...
Puteri N. E. Nohuddin, Rob Christley, Frans Coenen...