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» A scalable distributed information management system
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SACMAT
2009
ACM
14 years 2 months ago
Ensuring spatio-temporal access control for real-world applications
Traditional access control models, such as Role-Based Access Control (RBAC), do not take into account contextual information, such as location and time, for making access decision...
Manachai Toahchoodee, Indrakshi Ray, Kyriakos Anas...
CIVR
2010
Springer
246views Image Analysis» more  CIVR 2010»
13 years 5 months ago
Genre-specific semantic video indexing
In many applications, we find large video collections from different genres where the user is often only interested in one or two specific video genres. So, when users are queryin...
Jun Wu, Marcel Worring
EUROPAR
2006
Springer
13 years 11 months ago
Context Awareness: An Experiment with Hoarding
Abstract. Computer mobility allows people to use computers in varied and changing environments. This variability forces applications to adapt thus requiring awareness of the comput...
João Garcia, Luís Veiga, Paulo Ferre...
DAGSTUHL
2007
13 years 9 months ago
An XML Framework for Integrating Continuous Queries, Composite Event Detection, and Database Condition Monitoring for Multiple D
Abstract Current, data-driven applications have become more dynamic in nature, with the need to respond to events generated from distributed sources or to react to information extr...
Susan Darling Urban, Suzanne W. Dietrich, Yi Chen
ISCI
2007
115views more  ISCI 2007»
13 years 7 months ago
Compressed histograms with arbitrary bucket layouts for selectivity estimation
Selectivity estimation is an important step of query optimization in a database management system, and multidimensional histogram techniques have proved promising for selectivity ...
Dennis Fuchs, Zhen He, Byung Suk Lee